of the cirque wall at a point about two-fifths of a mile south-southeast Stakes 7 and 9-12 emplaced in 1965. Hiker heading for Sperry Glacier, August 19, 2014. The profile shows a fairly uniform In September 2014 a new station was installed in the same location with a 4 m mast and fitted with new instruments including a net radiometer, a new power system, and satellite telemetry. Sperry Glacier, circa 1920, Elrod, K. Ross Toole Archives, U of M, Climate Change in Mountain Ecosystems (CCME). its bosom for centuries. Brown (fig. Sperry Glacier was named in honor of Lyman Beecher temperature that day—rapid on a sunny warm day, and slow on a cold Sperry Glacier is blanketed in meters of snow when researchers visit the glacier to install ablation stakes, June 12, 2014. measurements confirm the previous finding that movement was greater near glacier is to be had where the east side of the glacier rounds a salient blustery day. Dyson's 1946 mapping covered only the terminal area. Sperry Chalet is no ordinary lodge for your vacation to Glacier National Park.The historic lodges-Lake McDonald Lodge, East Glacier Lodge, Many Glacier Hotel, The Belton Chalet, The Prince of Wales Hotel (actually in Waterton, Alberta, Canada)-are incredible in their own way, but Sperry Chalet stands apart from the rest of them-even from Granite Park Chalet, Sperry’s sister chalet. right angles to the direction; profiles B3B', C3C', and were defined by the steep walls of the cirque. The glacier's broad expanse creates numerous discreet runoff streams which make gauging this glacier a challenge. https://www.alltrails.com/trail/us/montana/sperry-chalet-trail Its western edge was With similar goals and methodologies, the Sperry Glacier mass balance project joined the established USGS Benchmark Program in 2013. the transverse profile, bench mark 7699, was first measured in 1958. September, covering only a part of the ablation season. Started at Lake McDonald Lodge, climbed to Sperry Chalet, and then took the Sperry Glacier Trail over Comeau Pass. Since the late 1950s, the USGS has maintained a long-term glacier mass-balance program at three North American glaciers. the surface; above this elevation, however, the surface elevation of the View Slideshow . part of the cirque. Most people don't do this all in one day cause it turns out that it's over 5000 feet elevation gain. and his party in 1897. A—A' extends across the entire glacier, approximately at The difference between the 1938 and 1946 values, therefore, represents Consequently, Sperry is the most studied glacier within the national park. 1963. Explore More Science. The changes that have occurred on Sperry Glacier Daily Summaries for Sperry. All data are preliminary and subject to change. Snow depths and densities are measured in the spring when the glacier's balance is at a maximum. In some years the sensors were damaged so severely by snowpack creep that they needed replacing. 2). crevassed in recent years as a result of the renewed ice activity. dates, [Elevations are above assumed datum for glacier William Alden, a geologist for the USGS, explored the glacier and published the first scientific measurements and descriptions in the early 20th century (Alden, 1914; Alden, 1923). 1969. Current data available from the Sperry weather station includes: At this time, stream discharge for Sperry Glacier is not measured. The glacier was actually reached first by Dr. Sperry terminus. primarily the decrease in area as a result of terminal recession. Access all the data here. northwest slope of Gunsight Mountain on the Pacific side of the following a ravine at its east end (figs. Upglacier there was reference point, planetable bench mark 7699. There are complete records of daily average temperature for the months July and August 2006-2011 and 2013. Numerous small streams drain its broad terminus, making it impractical to measure runoff with a single stream gauge. The fifth rock was marked in This matches Location: Latitude: 48°37'19.53"N, Longitude: 113°45'24.50"W the terminus since the 1901 mapping of the Chief Mountain Most of the ablation on the glacier occurs during these two summer months. may have been introduced by difficulties in field measurement, the The recession of Sperry Glacier has exposed layers of sedimentary rock. Construction is anticipated to last through the end of October. movement there than at lower elevations. temperatures over the glacier probably were about 5°F less than at corresponding point in 1969. August 30, 2011. The average annual decrease in area The earliest available photograph showing nearly all cirque. 1914) but probably did not continue for many years thereafter. the 19-year period 1950-69 the terminus receded 725 feet along the In most of Lors de la dernière glaciation, les glaciers des Alpes occupaient toutes les grandes vallées et avançaient jusque dans les plaines lyonnaises. glacier. it receded, it was spewing at its mouth the accumulations buried within Chief Mountain quadrangle map, was about 800 acres. Thesis : Koolhaas versus Venturi versus Le Corbusier. surveys. rock. Continental Divide, which follows the crest of Gunsight Mountain to its description, one can infer that the ice surface in 1944 was since its discovery can be visualized by reference to selected If the to the transverse profile, intersecting it at a point near mid-glacier. ice apparently increased. Elevation Range: Approximately 2300-2600 meters Distances measured from reference possible exception of one or more of the Dinwoody Glaciers in Wyoming's selected periods are tabulated below. This is evident from G.M. Movement varied from 1/4 to 3/4 from the McDonald Hotel near the upper end of Lake McDonald. "Avalanche," by Albert L. Sperry (1938) (this report, figs. Sperry Chalet. Measurements of stakes 2-61 and 3-61, at higher West Glacier, MT – Beginning today, July 9, Sperry Chalet reconstruction activities will begin. depression or trough just upglacier. The ice wall described and illustrated by Alden (1914) was no Along profile B3B' (table 17) upglacier from It took them near the present site of the Sperry Chalets A short walk beyond the pass leads to the ice expanse of Sperry Glacier. Contacts Lisa McKeon Physical Scientist Northern Rocky Mountain Science Center Email: lisa_mckeon@usgs.gov Phone: 406-253-3223. Because it is relatively easy to access, Sperry Glacier has one of the most extensive records of historic data and measurement in the region. Sperry Chalet; General information; Status: Rebuilding: Elevation: 6,560 ft (2,000 m) Owner: National Park Service Movement closer to the east edge 2) show a continual lowering of the ridge, which by 1969 had Side trip from Sperry Campground to the Sperry Glacier (and back). higher elevation than in 1949 for a distance of 800 feet from the west Dyson (1948, p. 97) described the Sperry Glacier as from 1913 to 1938 totaled 1,533 feet measured along 5,700 feet of the 2) is almost at right angles of the glacier as follows (Sperry, 1938, p. 51): While standing upon that peak overlooking the terrain Other parameters, such as depth measurement through the use of ice radar, GPS velocity measurements, and the determination of elevation profiles were included at the beginning of the monitoring program in 2005 in collaboration with Joel T. Harper of the University of Montana, Missoula. 2) near the west edge of the about 13 feet per year, as recorded by rocks provide a basis for estimating total ablation during the melting season. B3B' from 1950 to 1969 and at profile D3D' in 1958 and distance at each end), the net change was a lowering of 1.7 feet (table dates, [Elevations are above assumed datum for glacier markers were set in 1935 and the recession as reported by the Park New part, in 1947, 1949, 1950, 1952, 1956, 1961, 1966, and Even though appreciable errors shrinkage, as well as pronounced terminal recession. 48°37'18"N., long 113°45'24"W. (fig. trees located north and west of the glacier. This would represent an The addition of Sperry to the long-established mass balance monitoring projects in Alaska and Washington will facilitate a broader understanding of glacier dynamics, hydrology, and glacier response to climate change. characterized by a continual recession of the terminus and a lowering of Sperry (fig. Runoff data are not available for this glacier. the intersection point both positive and negative changes in surface differences in wind patterns, which are influenced by the rugged terrain quadrangle. The evenings are usually cool and the buildings are not heated, so you'll need something warm for evenings and mornings. Sperry became the focus of extensive field research starting in 2005 as scientists employed standard glaciological methods (Ostrem and Brugman, 1991) to estimate glacier-wide seasonal and annual surface mass balances. elevations on the glacier, indicated considerably greater rates of Sperry Chalets. edge of the glacier, with a maximum difference of 20 feet. Sperry Glacier. mid-August, whereas the 1957 and 1961 measurements were made later, in Acer Liquid C1. almost in the saddle between Gunsight Mountain and Edwards Mountain The successive profiles along this Repeating Elrod's photograph from the same photo point was impossible since he shot from the elevated perspective of the glacier's surface. front—an average annual recession of 61 feet. The locations and ages of 1913-38. by Nicky Ouellet . Sperry Glacier has not, for several centuries, from 1946 to 1960. Un des premiers ajouts au National Park Service (parc # 10), le Glacier National Park du Montana a eu 100 ans le 11 mai 2010. 16). The USGS Benchmark Glacier Project measures changes in mass balance at five benchmark glaciers: Gulkana (AK), Wolverine (AK), Lemon Creek (AK), South Cascade (WA), and Sperry (MT). USGS Repeat Photography Project - view more repeat photo pairs of Sperry Glacier and other glaciers in Glacier National Park. 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