Inventory of Rock Glaciers in the American West and Their Topography and Climate

Trcka, Allison

doi:10.15760/etd.7509

Cited by 2 publications

(1 citation statement)

References 12 publications

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“…In these cases, 2013/2012 Google Earth imagery were used. Some glaciers were reclassified as rock glaciers by Trcka (2020). These were re-examined and where we agreed they were removed from the initial glacier inventory.…”

Section: Sierra Nevadamentioning

confidence: 99%

Inventory of glaciers and perennial snowfields of the coterminous USA

Fountain

Glenn²,

Mcneil³

2023

Preprint

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Abstract. This report summarizes the methods used to construct an inventory of glaciers and perennial snowfields of the contiguous United States. The inventory is based on interpretation of mostly aerial imagery provided by the National Agricultural Imagery Program, US Department of Agriculture with some satellite imagery in places where aerial imagery was not suitable. The inventory includes all perennial snow and ice features greater than 0.01 km2. Due to aerial survey schedules and seasonal snow cover, multiple imagery dates were required. The earliest date is 2013 and the latest is 2020, but more than 73 % of the outlines were acquired from 2015 imagery. The inventory is compiled as shapefiles within a geographic information system that includes feature area and location. The inventory identified 1331 (366.52 km2) glaciers, 1776 (31.00 km2) perennial snowfields, and 35 (3.57 km2) buried-ice features. The data including both the shape files and tabulated results are publicly available at https://doi.org/10.15760/geology-data.03 (Fountain and Glenn, 2022).

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Section: Sierra Nevadamentioning

confidence: 99%

Inventory of glaciers and perennial snowfields of the coterminous USA

Fountain

Glenn²,

Mcneil³

2023

Preprint

View full text Add to dashboard Cite

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Inventory of glaciers and perennial snowfields of the conterminous USA

Fountain,

Glenn,

Mcneil

2023

Earth Syst. Sci. Data

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Abstract. This report summarizes an updated inventory of glaciers and perennial snowfields of the conterminous United States. The inventory is based on interpretation of mostly aerial imagery provided by the National Agricultural I magery Program, US Department of Agriculture, with some satellite imagery in places where aerial imagery was not suitable. The inventory includes all perennial snow and ice features ≥ 0.01 km2. Due to aerial survey schedules and seasonal snow cover, imageries acquired over a number of years were required. The earliest date is 2013 and the latest is 2020, but more than 73 % of the outlines were acquired from 2015 imagery. The inventory is compiled as shapefiles within a geographic information system that includes feature classification, area, and location. The inventory identified 1331 (366.52 ± 14.34 km2) glaciers, 1176 (31.01 ± 9.30 km2) perennial snowfields, and 35 (3.57 km2 ± no uncertainty) buried-ice features. The data including both the shapefiles and tabulated results are publicly available at https://doi.org/10.15760/geology-data.03 (Fountain and Glenn, 2022).

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Inventory of Rock Glaciers in the American West and Their Topography and Climate

Cited by 2 publications

References 12 publications

Inventory of glaciers and perennial snowfields of the coterminous USA

Inventory of glaciers and perennial snowfields of the coterminous USA

Inventory of glaciers and perennial snowfields of the conterminous USA

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