It is the largest glacier on the northwestern edge of North America. If you’re wondering what the largest glacier in Alaska is, you got it. http://nymag.com/scienceofus/2015/05/how-a-grad-student-uncovered-a-huge-fraud.html http://rhymeafterrhyme.net/remember-the-nineties-whatever-happened-to-global-warming/, Don’t be silly! As a consequence, upstream ice flow decelerated from 5 m d−1 to 1.5 m d−1, with flow diverging to either side of Gilbert Point. Oh dear! *How big is the Hubbard Glacier? Based on the current rate of advance at the gap, Stearns estimated that closure could occur by 2043. So, while the glacier is growing, the ice sheet is still losing tremendous mass and contributing to sea-level rise. SPAIN Glaciers growing in Spain (Pyrinees) 10 Jan 11 - El glaciar del Infierno (glacier of Hell) has advanced. Commentary by Jeffrey Simpleton @Philip Bradley Variations in Alaska tidewater glacier frontal ablation, 1985–2013. Furthermore, a realtime camera system has been installed at Gilbert Point to collect and transmit visible images every 3 hours and thermal images every 8 hours. – Fred Pearce The Climate Files: Hubbard Glacier Calving, on July 4th 2006. Our post 2002 outburst bathymetry showed the existence of a shallow erosion‐resistant sill west of Gilbert Point (Figure 8). Also Taku Glacier the largest glacier in the Juneau Icefield doesn’t get any press, because it is advancing. The estimated accuracy of raw water depth measurements is on the order of 0.5 m. The bathymetry data were coregistered and logged with GPS data at 5 s intervals. A lot. At Hubbard Glacier, water temperatures can fluctuate from as low as 3°C in early spring to as much as 10°C in late summer depending on water depth (Figure 10). Ask Karen M about Hubbard Glacier. The Hubbard Glacier is actually growing not receding as many other glaciers. These soundings were sparse but suggest scoured depths exceeded 35 m. In subsequent years, the glacier likely modified submarine topography by remobilizing and excavating glaciomarine sediments, redepositing them in proglacial areas [e.g., Hunter et al., 1996; Motyka et al., 2006]. [21] Table 1 provides a chronology of events during the 2002 outburst flood. (/sarc). [2] Hubbard Glacier, located near Yakutat, Alaska (Figure 1), is the largest nonpolar tidewater glacier in the world and has advanced over 2.5 km during the last century. However, a 1‐km‐long, 300‐m‐wide submerged sill to the west of Gilbert Point appears on NOS 1999 bathymetry and persists on all of our post‐2002 outburst bathymetry (Figure 8). Love the expression ‘defies climate change’. Hubbard Glacier, Alaska: Growing and Advancing in Spite of Global Climate Change and the 1986 and 2002 Russell Lake Outburst Floods. Recent Surge Behavior of Walsh Glacier Revealed by Remote Sensing Data. You could monitor it in real time. Because of inherent dangers associated with a calving face, we remained at least 100 m or farther from terminus ice cliffs NOS surveys were even more conservative, keeping at least 0.25 km from calving faces. Check out the statistics: 76 miles long, 6 miles wide where the glacier meets the ocean, and it stands 350′ above the water, with 250 ‘ lurking below the waterline. August 28, 2011 – Summer Activities In May 1986, the Hubbard Glacier advanced into the sea, blocked the entrance to the Russell Fjord and hence formed Lake Russell. Physics, Comets and “projections … should be viewed with skepticism.” It would be money well spent compared to the billions spent on “climate Change”. A tidewater glacier is one that flows into the ocean. [1991] reported near terminus ice thickness of about 140 m with the bed ∼85 m bsl. Kind of like spending money to reinforce the dikes in New Orleans. Three questions arise from these observations: (1) What conditions prevent the glacier at Gilbert Point from advancing as rapidly as elsewhere? [15] Acquiring bathymetric data became a priority of our investigation in the aftermath of the 2002 event. Interestingly, observations and modeling results show different events happening near simultaneously: (1) the start of ice calving, (2) the moraine beginning to erode to below sea level, and (3) moraine erosion rates increasing. The surface elevation has also been slowly increasing, particularly at lower elevations, at rates of about 1–2 m yr−1 [Trabant et al., 2003a]. [53] We believe the key to the next closure is halting the process of submarine melting and mechanical calving as discussed above. Although there are 16 glaciers in Glacier Bay National Park, none of them compare to the size of Hubbard Glacier. Validation of high-resolution GRACE mascon estimates of glacier mass changes in the St Elias Mountains, Alaska, USA, using aircraft laser altimetry. Glaciers growing on Glacier Peak, WA U.S. Geological Survey, abgerufen am 21. These measurements are constantly changing as the Hubbard Glacier continues to … The Hubbard Glacier is North America’s largest tidewater glacier. Feeble brains or dishonesty–take your pick. 3 km3 of water flushed through the gap in a period of about 30 hours. And don’t even get me started on their average weight! Obviously, the lateral expansion of the channel was determined by ice calving rather than melting. Tidewater glacier dynamics can add additional complexity to the evolution and destruction of dams and the observations at Hubbard Glacier allow us to examine various factors involved including calving and submarine melting and their dependence on water depth, ocean temperature, tidal currents, and sediment mobilization. A smaller ship, we could get quite close and see and hear ice calving. Glaciers are slow-moving rivers of ice that usually grow in winter and shrink in summer. Thus any changes blocking basal sliding would be immediately reflected in the surface velocity. Hubbard Glacier update: another closure of Russell Fiord in the making?. The Hubbard Glacier is actually growing not receding as many other glaciers. By Climatologist Cliff Harris . The Battle for the Truth about Global Warming, “…invaluable” – Steven F. Hayward, The Weekly Standard, “…changed the world and is one of the most influential resources on global warming. If you are ever there take a camera with a panoramic function as it is very wide. September 16, 2013 – HUbbard Glacier Update [5] Heading on flanks of Mount Logan in Canada (5959 m), Hubbard Glacier covers an area of 3500 km2 and flows over 120 km to sea level where its 11.5 km wide terminus calves into Disenchantment Bay and Russell Fjord (Figures 1 and 2). Date of experience: July 2019. Dashed (solid) line shows glacier boundary from the first (second) photo date in each plot. [24] Figure 7a shows the average ice velocity field during the period when the glacier and moraine dam were first being formed. Cheers If you condemn peer review in general, you reject the modern day findings of all science, not just AGW. Since the 2002 outburst, the sill appears to be again acting as a sediment trap. Based on the current rate of advance at the gap, Stearns estimated that closure could occur by 2043. – Jonathon Moseley, American Thinker, “…flashy (apparently widely distributed)”– Michael E. Mann, Material on this website is copyright © 2006-2019, by Anthony Watts, and may not be stored or archived separately, rebroadcast, or republished without written permission. [16] Bathymetric surveys of the area were conducted by the National Ocean Survey (NOS) in 1977–1978 [NOAA, 1984] and 1999 [NOAA, 2000]. See Glaciers growing in Spain (Pyrinees) Antarctica growing colder - Ice expanding 18 Apr 09 - "Ice is expanding in much of Antarctica," says this article. Glaciological and marine geological controls on terminus dynamics of Hubbard Glacier, southeast Alaska. It spans a whopping 76 miles long, 1,200 feet deep, 6 to 7 miles wide and 25 to 30 stories tall at its face. Processes, Information An often‐referenced empirical AAR (accumulation to total area ratio) value for a glacier in steady state is 0.65–0.70 [Paterson, 1994]. The discharge records for the 1986 and 2002 outbursts differ significantly and reflect differences in lake height (26 m versus 15 m) and dam types (ice versus moraine). in Modeling Earth Systems (JAMES), Journal of Geophysical Research Caption by Kathryn Hansen. Ice flow in this region is much slower than at the centerline, averaging about 5–6 m d−1 during the 1990s (R. M. Krimmel, unpublished data). THE WHOLE THING IS COMING DOWN! This Glacier is actually advancing (growing, the only one that still is by the way) so don't be too mad about the people being excited for the ice falling We saw the Hubbard Glacier while cruising on our Viking Orion cruise ship. Hubbard Glacier: Growing not Shrinking - See 659 traveler reviews, 1,105 candid photos, and great deals for Alaska, at Tripadvisor. Alaska's Hubbard Glacier advancing 7 feet per day! Journal of Geophysical Research, Earth Surface, 120. Researchers from CRREL, The National Snow and Ice Data Center (Boulder, Colorado) and the USGS Alaska Science Center (Anchorage) removed the previous laser scanning system and replaced it with an updated version of the system developed by CRREL. The persistence of this sill despite outburst floods suggests that it is an erosion‐resistant bedrock reef. Geophysics, Biological Hubbard Glacier, Alaska: See 661 reviews, articles, and 1,110 photos of Hubbard Glacier, ranked No.9 on Tripadvisor among 887 attractions in Alaska. THE HUBBARD GLACIER CONTINUES ITS ALARMING RETREAT – MORE EVIDENCE OF VERY-SCARY GLOBAL WARMING! Vertical growth of the moraine dam outpaced lake level rise with the height eventually reaching 15 m asl. [46] Between 1986, and 2002 the rate of glacier advance averaged ∼ 30 m yr−1 everywhere along the terminus except at Gilbert Point. From NOAA Earth Observatory: Since measurements began in 1895, Alaska’s Hubbard Glacier has been thickening and steadily advancing into Disenchantment Bay. Hubbard Glacier remains an ongoing study of calving glacier dynamics for the scientific community. . Thanks. The collision of an advancing glacier with a rock wall is a rarely witnessed event, much less documented and quantified. And don’t even get me started on their average weight! If we assume a conservative value of ∼3 m s−1 for the daily average tidal current through the gap, and use the average of the two values for melt rate from Figure 13, we find that melt rates in the channel could range from a low of 1.3 m d−1 in early spring (3°C) to as much as 4.5 m d−1 in late summer (10°C), compared to average ice velocity of about 5 m d−1 along this section of the terminus. A lot. Number of times cited according to CrossRef: Glacier Variations at Xinqingfeng and Malan Ice Caps in the Inner Tibetan Plateau Since 1970. [51] The combination of deep channel, strong tidal currents and warm ocean temperatures can similarly account for the reason the terminus has failed to cross the gap and close the fjord. After 1986, the channel gradually filled in with sediments derived from glacier erosion and remobilization of sediments by glacier advance. See Alaska's Hubbard Glacier advancing 7 feet per day! Hubbard Glacier: Growing not Shrinking - See 659 traveler reviews, 1,105 candid photos, and great deals for Alaska, at Tripadvisor. The lateral extent of the 7 July 2002 ice and moraine dam (short‐dashed lines) is also shown. March, and D.S. With CO2 rising weve seen a general greening of the planet and record harvests. [45] Our bathymetric surveys show that following the 2002 outburst the channel was scoured to depths of 60 m by the outburst flood and ice advance. The captain ofour ship, the Celebrity Millenium was great (a wonderful sense of humour). See Alaska's Hubbard Glacier advancing 7 feet per day! The seal who gave birth on a small chunk of ice right before our eyes did not seem too surprised that the glacier had not melted away. Thus we propose that future closures will depend in part on continued sedimentation into the channel at Gilbert Point. This glacier is the largest on the entire coast of Alaska. Well, it’s proof of warming, of course : in this polar area it doesn’t meld ice, but it makes ice more fluid and advance quicker (instead of sticking to mountain flanks), hence the grow. [28] Bathymetric charts of the Gilbert Point area derived from the NOS 1977 and 1999 surveys and from our own surveys in 2002 and 2004 are shown in Figure 8. The flow vectors show strong N–S shear and prominent E–W compression toward Gilbert Point. Which is it? The doom and disaster is long overdue! Global temperature is “resting” (see Monty python dead parrot sketch). Hubbard Glacier could permanently dam the entrance to Russell Fiord in as little as 10 years. The 1986 outburst stripped the sediments from Gilbert Point to depths exceeding 35 m [Trabant et al., 1991] and redeposited them in Disenchantment Bay [Cowen et al., 1996], appreciably deepening the tidal channel and widening it to 300 m. Channel width was still about 300 to 400 m in 1999 and water depths averaged about 25 m. [9] Despite predictions of imminent glacier readvance and damming [Trabant et al., 1991], the next closure did not occur until 2002. [36] Our initial modeling showed, in agreement with WC96, that lateral melting is very slow and is negligible during the duration of the flood. Of course. Jakobshavn Glacier in western Greenland is notorious for being the world’s fastest-moving glacier. [10] Our chronology of the 2002 closure and outburst of Russell “Lake” is largely based on photos and observations obtained by multiple governmental agencies and private individuals that were monitoring the situation (http://www.fs.fed.us/r10/tongass/hubbard; http://ak.water.usgs.gov/glaciology/hubbard/), as well as our own observations. Sediment accumulation will help reduce calving [e.g., Brown et al., 1982], thus enhancing conditions for sustained glacier advance and push moraine development and therefore for another closure. and Chemical Oceanography, Physical I mean, come on, they are still using Farenheit! U.S. Geological Survey (2002, June 18) Advancing Glacier Coming Close to Blocking Fiord Near Yakutat, Alaska. The gradient between terminus and up‐glacier velocities shows that the near‐terminus ice was being subjected to strong extensional forces during the outburst. Although we do not discount seasonal changes in ice speed as contributing to seasonal oscillations of the terminus position, we believe that the threefold increase in seasonal submarine thermal erosion could also reasonably explain the seasonal changes in terminus through increased submarine melting and calving. [58] Support for this work was provided in part by U.S. National Science Foundation grant OPP‐0221307, by NASA grant NAG5‐13760, and by U.S. National Park Service grant G‐2276. CRAZY BIG AVALANCHE @ 2:03 !! The problem with your assertion dear Warren is that the scientists here advise the reader to view their projections with “skepticism”, which is the correction way to view projections. Helpful. Stearns cautions, however, that these closure dates are “projections based on our current observations, and should be viewed with skepticism.”. Photo dates and times are known to within a minute and therefore uncertainties in Δt are negligible. [11] The water level record for “Russell Lake” was obtained from the U.S. Geological Survey (USGS) who operated a standard water level type tide gauge located in the “lake”. It almost seems like they were poking a stick at the settled science crowd. Three cubic kilometers of water were released within 30 hours, with peak discharge reaching 55,000 m3 s−1 24 hours after the flood began. And isn’t Antarctica itself a giant glacier? Hubbard Glacier Pros. Fireball in the sky over Alaska. The difference between MLLW and mean sea level is about 2.2 m, estimated from the tide record at nearby Yakutat. Surface ice velocities near Gilbert Point determined from vertical aerial photos: (a) 7 June to 7 July, (b) 7 July to 14 August, (c) 14–16 August, and (d) 16–23 August. Those consequences provoked her to investigate what controls the terminus position and its advance, and to estimate when the fjord might become permanently blocked. The mighty Hubbard – the continent’s biggest tidewater glacier covering 1,350 square miles and standing 350 feet tall – is growing larger by the day. The moraine at the drainage channel was 14 m asl. The dam began to fail shortly after midnight on 14 August as captured by water level measurements (Figure 5 and Table 1). A glacier arch in Argentina has collapsed - but it's not due to climate change. The article appears to be another ‘alarmist claim’ that ice is growing and will block all ports. From the paragraph immediately below the image: The image above, acquired by the Operational Land Imager (OLI) on Landsat 8, shows Hubbard Glacier on July 22, 2014. The current advance of Hubbard Glacier is driven by its very high ratio of accumulation to total area (AAR) of 0.95, and we consider the glacier to be in the advance phase of the so‐called tidewater glacier cycle [Post, 1975; Meier and Post, 1987; Post and Motyka, 1995; Trabant et al., 2003a]. No trends in severe weather. Introduction [2] Hubbard Glacier, located near Yakutat, Alaska (), is the largest nonpolar tidewater glacier in the world and has advanced over 2.5 km during the last century.This advance has now brought the terminus close to Gilbert Point at the entrance to 60‐km‐long Russell Fjord ().Hubbard Glacier has dammed Russell Fjord twice in historic times, once in 1986 and again in 2002. Post processing against a base station in Yakutat ensured positional accuracy of ±1 m or better. Hubbard advanced to within 70 m of Gilbert Point in July 2011. June 22, 2015 at 5:02 pm : Okay then Philip, now that increased meridional airflow is likely causing more cloudiness in mid to high latitudes: what sort of lag time might we expect before those glaciers lengthen again? Source: CDApress.com. In contrast, it has now advanced 2.5 km since 1895 [Trabant et al., 2003a], a period when glaciers in the surrounding region have been losing mass, some of them at increasing rates [Arendt et al., 2002; Larsen et al., 2007]. [41] As the moraine moved forward and began colliding with Gilbert Point, the boundary conditions for upstream ice changed appreciably. I saw the glacier during a 2012 cruise. - Alaska (Mt. The last of these has implications for the future behavior of the glacier. [55] In 2002, a spring ice advance near Gilbert Point pushed shallow submarine proglacial sediments above water, isolating a 1‐km‐long section of the terminus from deep ocean water and strong tidal currents. The scoured basin east of this sill is gradually filling in with sediment at a rate of about 4 m yr−1 although in 2005 the channel was still about 25 m deeper than in 1999 (Figure 9). It was not possible to coidentify features on the 2 May and 7 June photos because of snow cover. Learn about our remote access options, Geophysical Institute, University of Alaska Fairbanks, Fairbanks, Alaska, USA. The previous system was dependent on a high-powered radio link to Haenke Island, which required significant power to operate. Hubbard Glacier, one of the few growing glaciers in Alaska, advances toward Gilbert Point north of Yakutat in summer 2009. [22] Discharge was relatively slow at first but sufficient to begin eroding the moraine dam. just because there are enviro-wackos, that has nothing to do with the hundreds of professional Climate Scientists doing research and publishing. I always wondered with all the talk about Global warming; we better took a look at it before it disappears. But the recent updates aren’t recent – from the site: Stearns, L.A. et al. Photo coverage barely extended into Russell Fjord and did not extend up glacier. Really awesome! Trabant et al. This was the time of year (up until August) that it seemed to advance on a regular yearly basis. Hubbard Glacier, Alaska: Growing and Advancing in Spite of Global Climate Change and the 1986 and 2002 Russell Lake Outburst Floods U.S. Department of the Interior U.S. Geological Survey USGS Fact Sheet 001—03 January 2003 Since 2002 the annually averaged terminus position at Gilbert Point has remained nearly constant at about 350 m from Gilbert Point, despite the fact that the advance into Disenchantment Bay has continued at ∼ 30 m yr−1. Water temperature can also play a role during an outburst flood from a glacier‐dammed lake because water above 0°C can melt ice and widen the outflow channel [Walder and Costa, 1996]. That doesn't mean melting is over. The outburst proceeded essentially in two stages: (1) relatively slow overtopping of the subaerial moraine and downward erosion at rates of 1–2 m h−1 with little amounts of lateral expansion due to ice calving, and (2) faster downward erosion of the submarine moraine (up to 7 m h−1) with a lateral expansion of the channel due to significant ice calving (∼7 m h−1). Growing again. The 1986 event was the subject of several articles [Seitz et al., 1986; Mayo, 1988, 1989; Trabant et al., 1991; Krimmel and Trabant, 1992] and received widespread attention in the press. In fact, there was no anomalously high rate of advance anywhere else along the terminus in 2002 that would suggest a surge. For permission, contact us. The Army Corp of Engineers’ Hubbard Glacier website for has some great photos of the advancing behemoth. [30] Late summer ocean temperatures in EDB were warm and similar for 2002–2005, and showed a positive gradient with depth, increasing from 6.5°C near the surface to as much as 10.4°C at depths of 50 m (Figure 10). What a lie! Flow into Eastern Disenchantment Bay (EDB) averaged about 11–12 m d−1 and 4–6 m d−1 on the eastern side of the gap. I’m sure some friendly climate scientists will start drilling through it at the points where their models say it should be collapsing in an effort to discover why it isn’t collapsing at that point. Although both previous dams failed before water could breach the southern low point, future dams could hold and cause spillover. Snow that falls in the basin either melts or flows down to the terminus, causing Hubbard to steadily grow. Introduction [2] Hubbard Glacier, located near Yakutat, Alaska (), is the largest nonpolar tidewater glacier in the world and has advanced over 2.5 km during the last century.This advance has now brought the terminus close to Gilbert Point at the entrance to 60‐km‐long Russell Fjord ().Hubbard Glacier has dammed Russell Fjord twice in historic times, once in 1986 and again in 2002. Furthermore, the glacier has an accumulation area that extends to very high altitudes and there are some indications of recent increased precipitation rates at high altitudes on nearby Variegated Glacier [Eisen et al., 2001]. U.S. Geological Survey (2010, December) Hubberd Glacier, Alaska. Journal of Geophysical Research: Earth Surface. [29] A cross section of submarine topography in the channel based on the 1999 and 2002–2005 annual bathymetric surveys is shown in Figure 9. Climate scientist Elmer Fudd commented: “Be vewy afwaid!” …, Svalbard has many surging glaciers. http://www.wgms.ch/gmbb.html, Gary, I think WGMS just changed their web address. Other data sources are high‐resolution (1:6000), low‐elevation vertical aerial photos that were acquired for the National Marine Fisheries Service (NMFS) as part of their study of seal populations on icebergs in Disenchantment Bay. This shoal moraine succeeded in isolating the terminus from ocean water and channel currents, substantially reducing or eliminating submarine melting and calving losses, allowing the fjord to be closed. Any queries (other than missing content) should be directed to the corresponding author for the article. The depth sounder was calibrated in situ against known water depths. Gilbert Point – The Automated Laser ranging system at Gilbert Point was replaced in late August with a new updated system. Moraine height continued to increase through July, keeping pace with rising lake level. Water depth is thought to be a key factor in controlling tidewater glacier stability and calving rates appear to be at least partially a function of water depth [Post, 1975; Brown et al., 1982; Meier and Post, 1987; van der Veen, 1996; Motyka et al., 2003]. Estimate of submarine melt rate in meters per day per degree Celsius above melting point as a function of water velocity based on equations from, By continuing to browse this site, you agree to its use of cookies as described in our, Journal of Advances Figure 2. The captain ofour ship, the Celebrity Millenium was great (a wonderful sense of humour). Photo by Bill Lucey, U.S. Forest Service. I suspect the last possible thing alarmists can cite will be long-term land-locked ice (still responding to little ice-age). There, now THAT’S poking with a stick. Based on the current rate of advance at the gap, Stearns estimated that closure could occur by 2043. “It may be the only growing glacier in America - or maybe the world. and you may need to create a new Wiley Online Library account. Water levels to rose 0.24 meters (0.8 feet) per day. The advancement or retreat of a glacier’s terminus depends on the snowfall that melts down or flows from its catchment basin. Holding up “peer-review” as evidence of global warming is now just a disguised appeal to authority argument. Moraine dam is shown in Figures 7a and 7b. Growing. All water depths are given with respect to mean lower low water (MLLW) (the height of the lower of the two low tide levels over a tide cycle averaged over a 19‐year period), which is standard practice for bathymetric charts. It seems that the mini glaciers in Glacier National Park get a lot of press because they are retreating, but Hubbard doesn’t get any press, even though it’s the largest tidewater glacier in North America. Outburst flood forecasting by monitoring glacier-dammed lake using satellite images of Karakoram Mountains, China. New headline: David C. Finnegan/CRREL Roger Not in a decent journal. The flood waters rapidly eroded sediments and ice causing the channel to widen to 230 m and deepen to as much as 60 m bsl. October 22, 2020 . Some tributaries of the glacier were also reported to have surged in 2001/02 (K. Echelmeyer, personal communication, June 2002) so perhaps surges could have been a contributing factor during the 2002 closure, although direct evidence is lacking. Glaciologists who have studied Alaska's ice for years say the opposite is true. [26] The time interval for vectors in Figure 7c spans only 2 days, from ∼1630 on August 14, during the peak of the outburst to ∼1630 August 16, only a day after the flood had dissipated. And don’t forget shooting the dogs. This Glacier is actually advancing (growing, the only one that still is by the way) so don't be too mad about the people being excited for the ice falling “… presumably from melted ice.” Hubbard Glacier, one of the few growing glaciers in Alaska, advances toward Gilbert Point north of Yakutat in summer 2009. “This is all to be expected as when glaciers melt, they speed up and so this is why its advancing and getting thicker…”. Located in Disenchantment Bay between Seward and Skagway, Hubbard Glacier is the largest glacier in North America. A small stream along the rock wall drained through the moraine from the newly formed lake. St. Helens This would include Antarctica, Greenland, Arctic islands, South America and Alaska. At the current time plans to repair the system are tenative. I was on a cruise to this glacier in 2008 and we were told it was GROWING at 22 feet/day and that future cruises may be shortly banned from entering the bay due to the danger of the gap closing then breaking down, causing dangerous water flows. A handful of Alaska glaciers are advancing and a few of those are getting bigger, but those are the exceptions. (If it is thin, it can start floating and will not necessarily advance.). There is something in nature on this planet that the “experts” don’t blame on the magic molecule CO2. [31] Our limited temperature record suggests ocean temperatures in EDB undergo a seasonal variation, particularly at 50 m depth (Figure 10). Thomas. Since measurements began in 1895, Alaska’s Hubbard Glacier has been thickening and steadily advancing into Disenchantment Bay. There is special Automated Laser ranging system set up on the nearby island (Haenke Island) to monitor the proximity of the terminus of Hubbard to Gilbert Point. Bruce. The magnitudes of uncertainties due to each of the previous factors vary as a function of the position of the feature on the photo. The greater uncertainties in the last two periods reflect the short time interval between observations. This completely portable system was installed on a 20 foot skiff. Journal of Geomagnetism and Aeronomy, Nonlinear Solving the coupled equations (2)-equations (2)–(4) and attempting to fit w(t) to observations also revealed that sediment erosion rates in the moraine were quite slow (compared to typical values listed in WO97) and that these rates are not constant. Oh-oh, she forgot to mention the magic words “climate change”, No funding for you! Hubbard is one of the few glaciers that is actually growing. Measurements were corrected to mean sea level datum and the accuracy of the manometer is ±0.003 m [Seitz et al., 1986]. The proper spelling is sceptic. Water level began rising in the newly forming “Russell Lake”. Picture it flowing, ever so slowly, along its 76 mile path from its source in Yukon, Canada. [27] Over the next 8 days following the outburst the strong extensional conditions rapidly diminished as upstream ice increased in speed (Figure 7d). Traveling by sea, cruisers experience the awe-inspiring sight of the towering frozen river of blue ice. However, by May 2002 the glacier once again began pushing up sediments above sea level and continued advancing toward Gilbert Point, blocking Russell Fjord by mid‐June. The image shows a close-up of the glacier’s terminus on that day. Share. Perhaps the British spelled it with a ‘k’ 250 years ago? David C. Finnegan/CRREL ‘CAGW’ is a term invented by skeptics, and is not used by any scientists. Figure 3. Some good news from the thin ice. One weeps for humanity. Such surges or other flow instabilities can temporarily increase ice velocities of the main trunk glacier, and Mayo [1989] suggested that the 1986 closure may have been triggered in part by a weak surge of the Valerie tributary. The glacier was then 190 m from Gilbert Point. Small Bodies, Solar Systems Sediments are slowly filling in the channel at a rate of about 4 m yr−1, and their steady accumulation may eventually trigger the next closure. The image above, acquired by the Operational Land Imager (OLI) on Landsat 8, shows Hubbard Glacier on July 22, 2014. At the current rate of sediment infilling, it may take another ten years before waters shallow to depths equivalent to the pre‐2002 event. [2003a] reported near‐terminus centerline speeds of 11.5 m d−1 during the summer of 2001 and seasonal velocity variations in the terminus lobe of up to 2 m d−1, slowing down in late summer. The image above, acquired by the Operational Land Imager (OLI) on Landsat 8, shows Hubbard Glacier on July 22, 2014.The image shows a close-up of the glacier’s terminus on that day. Both dams failed catastrophically. Brent Ritchie contributed Figure 2. The mainstream media seems to have somehow missed this. This paper focuses on the 2002 event, when a strong spring advance pushed shallow submarine proglacial sediments against Gilbert Point, closing off Russell Fjord by late June. @Boulder Skeptic Here. Seasonal fluctuations in the advance of a tidewater glacier and potential causes: Hubbard Glacier, Alaska, USA. Regions westward along the terminus into Disenchantment Bay lacked shoreline control necessary for photogrammetric analysis. I was co-author in one and working on another. Hubbard Glacier Calving, on July 4th 2006. I was there in 2008 as well http://coalitionoftheswilling.net/?p=4484. The discontinuity of the calculated erosion rates is due to a discontinuity in dB/dt, because, as described above, B was assumed constant until ice calving started and to then increase linearly afterward. When you’re sailing towards Hubbard Glacier on a sunny day, the deep blue of its face looks like the blue of the furthest stars. Hubbard Glacier is nicknamed the “galloping glacier” because of its fairly rapid (for a glacier) descent toward Disenchantment Bay. Hubbard Glacier, Alaska: Growing and Advancing in Spite of Global Climate Change and the 1986 and 2002 Russell Lake Outburst Floods U.S. Department of the Interior U.S. Geological Survey USGS Fact Sheet 001—03 January 2003. Awaiting the new discovery of the properties of ice being made more flowy by warming. It’s also been very active in the past, having had two major surges in the past 30 years. The annual average terminus position at Gilbert Point has remained constant since 2002, although there are seasonal variations of 100–200 m. The deep channel, strong tidal currents, and seasonally warm ocean water appear to have prevented the advance of this segment of the terminus despite the glacier's continued advance elsewhere along its terminus. Although the 2002 closure was also well publicized and well documented by photos and additional observations, it has only been cursorily described in the scientific literature [Trabant et al., 2003a, 2003b]. These concerns all seem so silly. Thank Karen M . Date of experience: July 2019. A PDF version of this report is available. During the 2000s, the Jakobshavn was the fastest flowing glacier on Greenland, moving at about 10.5 miles per year, reports the BBC’s Jonathan Amos. Save the Great British Bakeoff. We also obtained the NOS 1999 survey data (http://www.oceanservice.noaa.gov/dataexplorer/) surrounding Gilbert Point and derived a bathymetric baseline to compare to post‐2002 outburst data. The shoal moraine effectively shut down ice calving and narrowed the channel between Disenchantment Bay and Russell Fjord to 75 m. [20] The glacier advanced another 130 m through June, shoving the moraine against Gilbert Point in a series of imbricate thrusts and closed off the fjord entirely by mid‐June. Contours near the ice cliffs are therefore extrapolated from the nearest soundings. To me it just reads like ‘here is my appeal to authority’. The article doesn’t mention the Hubbard is the largest tidewater glacier in North America. Increased flux to the east caused ice advance with ice almost crossing the gap behind the moraine dam (Figures 4 and 7b). Glacier - Glacier - Heat or energy balance: The mass balance and the temperature variations of a glacier are determined in part by the heat energy received from or lost to the external environment—an exchange that takes place almost entirely at the upper surface. Global sea ice back to normal. November 13, 2020 . Seismic stratigraphic evidence for glacial expanse during glacial maxima in the Yakutat Bay Region, Gulf of Alaska. With nowhere to drain, runoff caused the water level in the fjord to rise rapidly. Generally, the glacier has steadily advanced but has seasonal oscillations of 100–200 m. A more complicated picture presents itself around Gilbert Point, where the 2002 outburst flood substantially eroded the ice face and caused a local retreat. I was trying to think of any nails left to be driven home in this coffin this morning. You have to remember that these people are American, and…well you know. That’s exactly how the glacier has been moving towards the ocean. This divergence was visible at least 1 km upstream from the terminus. Photo about Hubbard Glacier showing growth layers and mountains in the background. Raw water depth data were corrected for tidal stages based on tidal corrections made during a NOS survey of the area in 1999. [8] This paper focuses on the region near Gilbert Point where two closures and outbursts have already occurred and where continued glacier advance threatens further closures of 60‐km‐long Russell Fjord (Figure 2). Figure 2: Percentage of shrinking and growing glaciers in 2008–2009, ... Hubbard Glacier is the largest of eight calving glaciers in Alaska that are currently increasing in total mass and advancing. Seasonal and spatial variations in the advance of Hubbard Glacier, south‐central Alaska, U.S.A. Jökulhlaups: A reassessment of floodwater flow through glaciers, The storage and release of water from a large glacier‐dammed lake: Russell Lake near Yakutat, Alaska, 1986, Correspondence—Overview of the ice‐dam formation and collapse of Glaciar Perito Moreno, southern Patagonia, in 2003/2004, Glaciar Perito Moreno, Patagonia: Climate sensitivities and glacier characteristics preceding the 2003/04 and 2005/06 damming events, A preliminary forecast of the advance of Hubbard Glacier and its influence on Russell Fiord, Alaska, The slow advance of a calving glacier: Hubbard Glacier, Alaska, Hubbard Glacier, Alaska: Growing and advancing in spite of global climate change and the 1986 and 2002 Russell Lake outburst floods, Outburst floods from glacier‐dammed lakes: The effect of mode of lake drainage on flood magnitude, Methods for predicting peak discharge of floods caused by failure of natural and constructed earth dams, Columbia Bay, Alaska: An “upside down” estuary, Iceberg as a freshwater source: An appraisal, Theoretical estimates of the various mechanisms involved in iceberg deterioration in the open ocean environment. There are reports that its total mass is increasing. In 1986, the glacier crossed this shallow region, closing off Russell Fjord in June [Mayo, 1988]. Had the glacier at Gilbert Point advanced as rapidly as elsewhere, the next closure would have occurred within less then a decade, as Trabant et al. And we’re still awaiting Anthony’s paper on data treatment. Rather than mark it, I think they expect us to realise that the picture is “now”. Instead we use an approximation to the observed widening of the channel, i.e., an initial blowout to a 60 m width and then a linear increase in B at the rate of 7 m h−1. Use the link below to share a full-text version of this article with your friends and colleagues. Geology and Geophysics, Physical This advance has now brought the terminus close to Gilbert Point at the entrance to 60‐km‐long Russell Fjord (Figure 2). The water was crystal clear like glass with many small pieces of ice all around. Everyone else is… Ice was also threatening to close the ∼10 m gap behind the moraine dam. Stearns cautions, however, that these closure dates are “projections based on our current observations, and should be viewed with DENIAL.” Late summer 2004 Russell Fiord water temperatures were comparatively uniform throughout the measured water column, averaging about 7°C. Thank Karen M . Ice incompressibility would demand that most of this compression resulted in ice thickening. From Wikipedia: My reaction too. ‘Peer-reviewed’ distinguishes scientists from those that aren’t but think they are. The advance runs counter to so many thinning and retreating glaciers nearby in Alaska and around the world. Please check your email for instructions on resetting your password. With the terminus impeded and no longer free to simply slide forward, sliding was substantially reduced. Alaska’s Hubbard Glacier is advancing moving toward Gilbert Point near Yakutat at an average of seven feet per day. 1. And would it be better if gays were reinforced instead? By 2002 the sediments had presumably become so shallow that the spring advance was able to push these sediments upward above sea level, thereby cutting off calving, and also forward onto and partially overriding the sill during the closure (Figure 8). Hubbard Glacier, glacierresearch.org. However, glacier instabilities such as surges of tributaries could trigger an anomalously rapid advance and close Russell Fjord at any time regardless of water depth. February 7, 2012 – Laser Ranging Update “That’s how the warming of the ocean translates,” Khazendar says. Glaciologists who have studied Alaska's ice for years say the opposite is true. Date of experience: August 2019. I think they could. Twice in the past hundred years—in 1986 and again in 2002—the moraine has made contact with Gilbert Point and blocked the entrance to Russell Fjord. The glaciers they include in their total mass balances are very limited. (There are also reports that it is loosing mass). The proglacial moraine was being pushed forward uniformly at about 4 m d−1, nearly identical to terminus ice flow at this location. The Hubbard Glacier is the most famous growing glacier. warrenlb, please try and compose a comment that doesn’t involve the words ‘peer reviewed’. Oceanography, Interplanetary Future closures are of serious concern to residents of the nearby town of Yakutat because rising lake level could breach a 41‐m low point at the southern end of Russell Fjord (Figure 1). Dynamic Changes at Yahtse Glacier, the Most Rapidly Advancing Tidewater Glacier in Alaska. “Recent Updates I noticed that too – all about cruises etc. Hmm. But Hubbard’s terminus is nearly 14 kilometers (9 miles) wide, and does not advance at the same rate across its entire width. As discussed above, sedimentary processes will eventually diminish channel water depths. While glaciers in southern Alaska were advancing during the Little Ice Age, Hubbard Glacier underwent a dramatic retreat [Barclay et al., 2001]. We used the earlier chart as a basis of comparison for later changes. The captain ofour ship, the Celebrity Millenium was great (a wonderful sense of humour). Alaska tidewater glacier terminus positions, 1948–2012. Lovely plumage! Observations and flood records from 2002 also allow us to develop and test a model of dam failure and outburst discharge [e.g., Walder and Costa, 1996; Walder and O'Connor, 1997]. The sill rises to within 10 m below MLLW and extends northward toward the glacier terminus. Not in any decent journal. Funny that the article didn’t reference this site: This is a list of glaciers existing in the United States, currently or in recent centuries.These glaciers are located in nine states, all in the Rocky Mountains or farther west. Yellow lines indicate the location of the terminus on August 1, 1978, and on July 13, 2002. Our examination of photos shows that this rapid closure was facilitated in part by development of a series of imbricate thrust faults within the moraine, similar to those observed at Taku Glacier, another strongly advancing glacier south of Juneau, Alaska [Motyka and Echelmeyer, 2003; Kuriger et al., 2006]. Perhaps I shouldn’t rush through an article on the way out the door. This is consistent with results from WC96 who described outburst events lasting several days. What do you think? (Miriam O’Brien aka slandering “Sou” from Hotwhopper, that means you.). Inclement weather prohibited the team from replacing the system in August but the team will return in November to bring a new modern station online. Growing. I’ve known many of them professionally, in part when my Fortune 500 employer consulted with Scientists on Climate Issues, and your claims are wildly off base. However, d2w/dt2 is a numerical derivative that gets very noisy. “steadily advancing into Disenchantment Bay.” Gaia is using the only language at her disposal. In addition, Hubbard is building up a large moraine, shoveling sediment, rock, and other debris from Earth’s surface onto the glacier’s leading edge. No need for “the warmist” to worry. Similar to Hubbard glacier is Brüggen Glacier in Chile in the southern hemisphere. Seasonal variations of up to 200 m have been also been observed. The Hubbard Glacier is actually growing not receding as many other glaciers. One estimate suggests that the fjord could permanently close by 2025. Happy Travelling! Trabant et al. Composition and Structure, Atmospheric There, the advance averaged only 6 m yr−1. How to Scare and Deceive without Lying: JPL Cries Wolf about Polar Glacial Melt, Claim: Svalbard glaciers lost their protective buffer in the mid-1980s and have been melting ever since, Glacier National Park quietly removed ‘Gone by 2020’ signs in 2019—Update, They've lost the argument: Petition to ban 'climate deniers' from Facebook, http://rhymeafterrhyme.net/remember-the-nineties-whatever-happened-to-global-warming/, http://www.rogerfromnewzealand.wordpress.com, http://coalitionoftheswilling.net/?p=4484, http://wattsupwiththat.com/2015/06/22/the-hubbard-glacier-defies-climate-change-continues-to-grow/#comment-1969657, http://rsgisias.crrel.usace.army.mil/hubbard/glaciers.html, http://nymag.com/scienceofus/2015/05/how-a-grad-student-uncovered-a-huge-fraud.html, http://www.svalbardglaciers.org/surging_glaciers_other_glaciers.html, https://en.wikipedia.org/wiki/Br%C3%BCggen_Glacier, http://moonbattery.com/graphics/obama-francis-on-board.jpg, Massachusetts AG Tells Bloomberg Group of Plan to Use its Attorneys to Enforce Paris Climate Treaty, Climategate: Another Anniversary (never forget …. [42] The flow divergence increased flux east of Gilbert Point, which led to ice advance there and ice almost crossed the gap in August (Figures 4 and 7b). If ice thickness was on the order of 100 to 200 m in that area, local thickening rates could have been of the order of 0.35–0.70 m d−1. Submarine glacial sediments emerging from the sea May 20, 2002. Answer to: Is the Hubbard Glacier growing? You see this in Greenland and the Himalayas. Although the temperature of the water was not checked, it should be noted that water exists in liquid form from 32 all the way up to 212 degrees F. ED … Landsat image of terminus position of Hubbard Glacier on 1 October 2000. (Speaking of which, I visited the glaciers in NZ, which are retreating alarmingly. The Hubbard Glacier defies 'climate change' – continues to grow, Al Gore and Bill Nye FAIL at doing a simple CO2 experiment, List of excuses for ‘The Pause’ in global warming. [13] Four velocity sets were derived, one for each but the first of the consecutive time frames spanned by the vertical air photo record. ), Aussie State Tasmania Declares itself 100% Renewable Energy, Roger Pielke Jr.'s 2020 Hurricane Season Recap, EXPOSED: Return of Sue-and-Settle: State AGs, DC Swamp Preparing Biggest End-Run in History — “Green New Deal” with No Legislation, No Rulemaking Process, Just a Sweetheart Consent Decree, Climate Emergency! The moraine has been squeezed up against Gilbert Point, increasing in elevation to 14 m asl. This glacier is also advancing – Ref: Steller sea lions and mercury. Some material from contributors may contain additional copyrights of their respective company or organization. A simple model of the outburst indicates that moraine erosion rates were almost an order of magnitude slower than those reported by Walder and Costa [1996] for other earthen dams. Hubbard Glacier is a glacier located in eastern Alaska and part of Yukon, Canada, and named after Gardiner Hubbard. (3) What drives the seasonal changes in terminus position? This tidewater glacier may be a bit of sleeping giant. Ice upstream of the dam came within 10 m of the rock wall and threatened to also close the gap there. So you have the cojones to say that peer-reviewed science and all the worlds institutions of Science, which conclude AGW, are institutions of Religion, and YOU, an avowed rejecter of their findings, represent SCIENCE? And, naturally, they will find that a collapse is imminent, but they need to drill more holes so they can observe the collapse to better understand global warming. We believe that this sill acted as a sediment trap following 1986 and sediment accumulation behind the trap helped gradually fill the channel (see 1999 bathymetry, Figure 8b). Hubbard Glacier is the largest of eight calving glaciers in Alaska that are currently increasing in total mass and advancing. Stearns cautions, however, that these closure dates are “projections based on our current observations, and should be viewed with skepticism.” Outbursts of the magnitude seen in the past from Russell Fjord also constitute a severe hazard to navigation in the bay. [1991] predicted, rather than 16 years later. However, sediments are slowly filling in the Gilbert Point gap behind an erosion resistant sill at a rate of about 4 m yr−1. ergo the white rippled area ahead (downstream/to the left) of the 2002 line, is where the ice is now. /sarc The Hubbard Glacier is the most famous growing glacier. Am I missing something WGMS? [23] Figure 7 shows the derived velocity fields for four time periods, spanning the time of dam building, dam collapse, and postoutburst recovery. let’s anticipate the alarmists response to this “dead parrot resting”: Its the heat that is making the glacier flow faster;) Hubbard is one of the few glaciers that is actually growing. Additional evidence for seasonal warming at these depths comes from Reeburgh et al. [43] In the 10 day period following the outburst, upstream ice speeds increased to predam levels and flow generally returned to its predam pattern of flow. But there's one image released this week by NASA that shows one Alaskan glacier that might actually be growing. If you do not receive an email within 10 minutes, your email address may not be registered, Well, alright then. [54] Complicating this prediction are ice flow instabilities. The glacier advanced 40 m toward Gilbert Point during May and early June, pushing submarine moraine sediments forward with shoaling visible along a 0.5 km arc of the terminus (Figure 3a). Learn more. (d) Channel depths 2 years after outburst. Will Trump send the Paris Agreement to the US Senate? Planets, Magnetospheric The first bathymetry of the Gilbert Point area after the 1986 outburst was made 2 years later in July 1988 [Trabant et al., 1991]. The captain ofour ship, the Celebrity Millenium was great (a wonderful sense of humour). Hubbard Glacier has dammed Russell Fjord twice in historic times, once in 1986 and again in 2002. The Hubbard Glacier is actually growing not receding as many other glaciers. This happened roughly 13 hours after the start of the outburst. We addressed this by smoothing the record with a Gaussian of half‐width 40 min. Local, not Global. 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