Colorado.
Front Range.
Mills Glacier.
perennial snowfield.
Washington.
Cascade Range– Southern.
Talus Glacier.
perennial snowfield.
Referral: “Inventory of glaciers and perennial snowfields of the conterminous USA” by Andrew G. Fountain, Bryce Glenn and Christopher Mcneil, 15 September 2023, Earth System Science Data.DOI: 10.5194/ essd-15-4077-2023.
Wyoming.
Teton Range.
Petersen Glacier.
< < 0.01 km2.
California.
Sierra Nevada.
Matthes Glaciers.
rock glacier.
Wyoming.
Wind River Range.
Harrower Glacier.
seasonal snowfield.
Wyoming.
Wind River Range.
Hooker Glacier.
vanished.
Montana.
Objective-- Swan-- Flathead ranges.
Fissure Glacier.
< < 0.01 km2.
Washington.
Olympic Mountains.
Lillian Glacier.
< < 0.01 km2.
Washington.
Cascade Range-- Southern.
Nelson Glacier.
< < 0.01 km2.
Wyoming.
Wind River Range.
Tiny Glacier.
< < 0.01 km2.
Washington.
Cascade Range-- Northern.
Spider Glacier.
perennial snowfield.
Washington.
Waterfall Range-- Southern.
Packwood Glacier.
seasonal snowfield.
Washington.
Waterfall Range-- Southern.
Williwakas Glacier.
seasonal snowfield.
Washington.
Cascade Range-- Southern.
Shoestring Glacier.
< < 0.01 km2.
Washington.
Waterfall Range-- Southern.
Stevens Glacier.
perennial snowfield.
Colorado.
Front Range.
Saint Marys Glacier.
< < 0.01 km2.
Colorado.
Front Range.
Peck Glacier.
seasonal snowfield.
Washington.
Waterfall Range-- Southern.
Dryer Glacier.
seasonal snowfield.
Colorado.
Front Range.
Isabelle Glacier.
perennial snowfield.
Washington.
Cascade Range-- Southern.
Forsyth Glacier.
< < 0.01 km2.
Washington.
Cascade Range-- Northern.
Table Mountain Glacier.
< < 0.01 km2.
Colorado.
Front Range.
Taylor Glacier.
rock glacier.
Wyoming.
Absaroka Range.
DuNoir Glacier.
< < 0.01 km2.
Montana.
Cabinet Mountains.
Blackwell Glacier.
seasonal snowfield.
Oregon.
Cascade Range.
Irving Glacier.
perennial snowfield.
Washington.
Cascade Range-- Northern.
Lyall Glacier.
seasonal snowfield.
Washington.
Waterfall Range-- Northern.
Milk Lake Glacier.
vanished.
Wyoming.
Teton Range.
Teepe Glacier.
seasonal snowfield.
Montana.
Beartooth Mountains-- Absaroka Range.
Insect Glacier.
rock glacier.
California.
Sierra Nevada.
Mount Warlow Glacier.
rock glacier.
Colorado.
Front Range.
Moomaw Glacier.
perennial snowfield.
California.
Sierra Nevada.
Powell Glacier.
rock glacier.
State.
Area.
Glacier Name.
Factor.
Oregon.
Wallowa Mountains.
Benson Glacier.
perennial snowfield.
Oregon.
Waterfall Range.
Carver Glacier.
seasonal snowfield.
Montana.
Lewis Range.
Stone Glacier.
seasonal snowfield.
A current research study by Portland State University has actually revealed the disconcerting disappearance and transformation of glaciers in the Western United States. The stock, updating a mid-20th-century record, discovered that numerous glaciers have actually vanished or no longer qualify as glaciers. This loss poses major ecological obstacles, including impacting water flow and contributing to water level increase.
Glaciers in the Western United States are disappearing..
A recent research study by researchers at Portland State University has revealed substantial changes in glaciers. The findings include the total disappearance of certain glaciers, the cessation of movement in others, and a reduction in size for some listed below the minimum limit of 0.01 square kilometers. Furthermore, the study identified specific developments as rock glaciers, which are basically rocky debris consisting of ice within their pores.
In-depth Inventory by PSU Researchers.
Andrew Fountain, a geology professor emeritus at PSU, and research assistant Bryce Glenn, inventoried glaciers and seasonal snowfields in the western continental U.S. utilizing aerial and satellite images in between 2013 and 2020. The inventory, published in the journal Earth System Science Data, determined 1,331 glaciers and 1,176 perennial snowfields..
Colorado.
Front Range.
Rowe Glacier.
< < 0.01 km2.
It updates a mid-20th century stock, originated from U.S. Geological Survey topographic maps made over a 40-year period, and supplies a baseline for estimating future changes in the middle of a warming climate.
" Glaciers are disappearing and this is a quantification of the number of around us have actually disappeared and will most likely continue to disappear," Fountain stated.
Excluded Glaciers and Environmental Impact.
The brand-new inventory leaves out 52 of the 612 officially named glaciers since they are no longer glaciers. The official names are those noted in the federal Geographic Names Information System-- the countrys repository for the names and areas of landscape functions. Milk Lake Glacier in Washingtons Mt. Baker-Snoqualmie National Forest and Wyomings Hooker Glacier have actually vanished entirely; 25 were instead categorized as seasonal snowfields, which unlike glaciers dont move; 18 had areas smaller than the typically used threshold of 0.01 square kilometers or approximately the size of two football fields side-by-side; and 7 were considered rock glaciers.
The loss of glaciers impacts more than aesthetics. Glaciers act as a natural regulator of streamflow, Fountain stated. They melt a lot throughout hot dry periods and do not melt much throughout cool rainy durations. As glaciers shrink, they have less ability to buffer seasonal overflow variations and watersheds become more susceptible to drought. Retreating glaciers likewise leave behind sharp, high embankments on either side, which can collapse and result in devastating particles flows. Worldwide, the loss of glaciers is also a significant factor to sea level increase.
Fountains co-authors are Bryce Glenn, a PSU alum and research study expert, and Christopher McNeil, a geophysicist with the USGS Alaska Science Center. Looking ahead, the group is studying the volume change of the glaciers to see just how much ice theyve lost considering that the USGS mapping.
Missing out on Glaciers: List of officially called glaciers not classified as glaciers and omitted from the final inventory.
Colorado.
Front Range.
The Dove.
< < 0.01 km2.
Oregon.
Waterfall Range.
Clark Glacier.
perennial snowfield.
Washington.
Waterfall Range-- Northern.
Snow Creek Glacier.
seasonal snowfield.
Washington.
Cascade Range-- Southern.
Pinnacle Glacier.
< < 0.01 km2.
Washington.
Waterfall Range-- Southern.
Unicorn Glacier.
< < 0.01 km2.
Oregon.
Cascade Range.
Palmer Glacier.
seasonal snowfield.
A current study by Portland State University has actually uncovered the worrying disappearance and change of glaciers in the Western United States. The inventory, updating a mid-20th-century record, found that numerous glaciers have disappeared or no longer certify as glaciers. A current research study by scientists at Portland State University has actually revealed substantial modifications in glaciers. The new stock omits 52 of the 612 officially called glaciers because they are no longer glaciers. Milk Lake Glacier in Washingtons Mt. Baker-Snoqualmie National Forest and Wyomings Hooker Glacier have actually vanished altogether; 25 were rather categorized as perennial snowfields, which unlike glaciers do not move; 18 had locations smaller than the frequently utilized threshold of 0.01 square kilometers or roughly the size of 2 football fields side-by-side; and 7 were considered rock glaciers.
Washington.
Waterfall Range-- Southern.
Meade Glacier.
seasonal snowfield.
Idaho.
Lost River Range.
Borah Glacier.
rock glacier.
Montana.
Objective-- Swan-- Flathead varieties.
Gray Wolf Glacier.
seasonal snowfield.
Washington.
Cascade Range-- Southern.
Pyramid Glaciers.
< < 0.01 km2.
Oregon.
Waterfall Range.
Lathrop Glacier.
< < 0.01 km2.
Washington.
Olympic Mountains.
Anderson Glacier.
perennial snowfield.
Washington.
Cascade Range-- Southern.
Ape Glacier.
< < 0.01 km2.
Montana.
Crazy Mountains.
Grasshopper Glacier.
rock glacier.
Oregon.
Waterfall Range.
Thayer Glacier.
< < 0.01 km2.
Oregon.
Waterfall Range.
Skinner Glacier.
perennial snowfield.
