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Glacier Inventories and Change in Gl...

Brett, Melissa Carrie.

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Glacier Inventories and Change in Glacier National Park.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Glacier Inventories and Change in Glacier National Park./
Author:	Brett, Melissa Carrie.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2018,
Description:	117 p.
Notes:	Source: Masters Abstracts International, Volume: 79-11.
Contained By:	Masters Abstracts International79-11.
Subject:	Geography. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=10687176
ISBN:	9780355907742

Glacier Inventories and Change in Glacier National Park.
Brett, Melissa Carrie.

Glacier Inventories and Change in Glacier National Park. - Ann Arbor : ProQuest Dissertations & Theses, 2018 - 117 p.

Source: Masters Abstracts International, Volume: 79-11.

Thesis (M.S.)--Portland State University, 2018.

This item must not be sold to any third party vendors.

Glacier National Park, in northwestern Montana, is a unique and awe-inspiring national treasure that is often used by the media and public-at-large as a window into the effects of climate change. An updated inventory of glaciers and perennial snowfields (G&PS) in the Park, along with an assessment of their change over time, is essential to understanding the role that glaciers are playing in the environment of this Park. I compiled nine inventories between 1966 and 2015, to assess area changes of G&PS. Over that 49-year period, total area changed by nearly -34 ± 11% between 1966 and 2015. Volume change, determined from changes in surface topography for nine glaciers, totaling 8.61 km2 in area, was +0.142 ± 0.02 km3, a specific volume loss of -16.3 ± 2.5m. Extrapolating to all G&PS in the Park in 1966 yields a park-wide loss of -0.660 ± 0.099 km3. G&PS have been receding in the Park due to warming air temperatures rather than changes in precipitation, which has not changed significantly. Since 1900, air temperatures in Glacier National Park have warmed by +1.3 C°, compared to +0.9 C° globally. Spatially, G&PS at lower elevations and on steeper slopes lost relatively more area than other G&PS.

ISBN: 9780355907742Subjects--Topical Terms:

524010
Geography.

Glacier Inventories and Change in Glacier National Park.
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500 $a Source: Masters Abstracts International, Volume: 79-11.
500 $a Publisher info.: Dissertation/Thesis.
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502 $a Thesis (M.S.)--Portland State University, 2018.
506 $a This item must not be sold to any third party vendors.
520 $a Glacier National Park, in northwestern Montana, is a unique and awe-inspiring national treasure that is often used by the media and public-at-large as a window into the effects of climate change. An updated inventory of glaciers and perennial snowfields (G&PS) in the Park, along with an assessment of their change over time, is essential to understanding the role that glaciers are playing in the environment of this Park. I compiled nine inventories between 1966 and 2015, to assess area changes of G&PS. Over that 49-year period, total area changed by nearly -34 ± 11% between 1966 and 2015. Volume change, determined from changes in surface topography for nine glaciers, totaling 8.61 km2 in area, was +0.142 ± 0.02 km3, a specific volume loss of -16.3 ± 2.5m. Extrapolating to all G&PS in the Park in 1966 yields a park-wide loss of -0.660 ± 0.099 km3. G&PS have been receding in the Park due to warming air temperatures rather than changes in precipitation, which has not changed significantly. Since 1900, air temperatures in Glacier National Park have warmed by +1.3 C°, compared to +0.9 C° globally. Spatially, G&PS at lower elevations and on steeper slopes lost relatively more area than other G&PS.
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