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Relevant bibliographies by topics / Glacier geometry change

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Journal articles

Academic literature on the topic 'Glacier geometry change'

Author: Grafiati

Published: 6 September 2023

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Journal articles on the topic "Glacier geometry change"

1

O'Neal, Michael A., Brian Hanson, Sebastian Carisio, and Ashley Satinsky. "Detecting recent changes in the areal extent of North Cascades glaciers, USA." Quaternary Research 84, no. 2 (2015): 151–58. http://dx.doi.org/10.1016/j.yqres.2015.05.007.

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We present an exhaustive spatial analysis using the geographic, geometric, and hypsometric characteristics of 742 North Cascades glaciers to evaluate changes in their areal extents over a half-century period. Our results indicate that, contrary to our initial expectations, glacier change throughout the study region cannot be explained readily by correlations in glacier location, size, or shape. Because of the large error attributable to annual variations in glacier area due to snowpack, no statistically reliable change could be detected for 444 glaciers in our study (a slight majority). Of the

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2

VEITCH, STEPHEN A., and MEREDITH NETTLES. "Assessment of glacial-earthquake source parameters." Journal of Glaciology 63, no. 241 (2017): 867–76. http://dx.doi.org/10.1017/jog.2017.52.

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ABSTRACTGlacial earthquakes are slow earthquakes of magnitude M~5 associated with major calving events at near-grounded marine-terminating glaciers. These globally detectable earthquakes provide information on the grounding state of outlet glaciers and the timing of large calving events. Seismic source modeling of glacial earthquakes provides information on the size and orientation of forces associated with calving events. We compare force orientations estimated using a centroid-single-force technique with the calving-front orientations of the source glaciers at or near the time of earthquake

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3

Paul, F. "The influence of changes in glacier extent and surface elevation on modeled mass balance." Cryosphere 4, no. 4 (2010): 569–81. http://dx.doi.org/10.5194/tc-4-569-2010.

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Abstract. Glaciers are widely recognized as unique demonstration objects for climate change impacts, mostly due to the strong change of glacier length in response to small climatic changes. However, glacier mass balance as the direct response to the annual atmospheric conditions can be better interpreted in meteorological terms. When the climatic signal is deduced from long-term mass balance data, changes in glacier geometry (i.e. surface extent and elevation) must be considered as such adjustments form an essential part of the glacier reaction to new climatic conditions. In this study, a set

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4

Paul, F. "The influence of changes in glacier extent and surface elevation on modeled mass balance." Cryosphere Discussions 4, no. 2 (2010): 737–66. http://dx.doi.org/10.5194/tcd-4-737-2010.

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Abstract. Glaciers are widely recognized as unique demonstration objects for climate change impacts, mostly due to the strong change of glacier length in response to small climatic changes. However, glacier mass balance as the direct response to the annual atmospheric conditions can be better interpreted in meteorological terms. When the climatic signal is deduced from long-term mass balance data, changes in glacier geometry (i.e. surface extent and elevation) must be considered as such adjustments form an essential part of the glacier reaction to new climatic conditions. In this study, a set

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5

Brugger, Keith A. "Non-Synchronous Response Of Rabots Glaciar and Storglaciaren To Recent Climatic Change." Annals of Glaciology 14 (1990): 331–32. http://dx.doi.org/10.3189/s0260305500008910.

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Rabots glaciär and Storglaciären are small valley glaciers located in the Kebnekaise massif of northern Sweden. Rabots glaciär flows west from the summit of Kebnekaise (2114 m) and Storglaciären flows east; thus regional climate affecting the glaciers is the same. The glaciers are of comparable size and geometry, although differences exist in the variation of ice thickness and the subglacial bedrock topography within the respective basins. The thickness of Rabots glaciär appears to be relatively uniform over much of its length and its bed smooth. The bed over which Storglaciären flows is chara

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6

Brugger, Keith A. "Non-Synchronous Response Of Rabots Glaciar and Storglaciaren To Recent Climatic Change." Annals of Glaciology 14 (1990): 331–32. http://dx.doi.org/10.1017/s0260305500008910.

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Abstract:

Rabots glaciär and Storglaciären are small valley glaciers located in the Kebnekaise massif of northern Sweden. Rabots glaciär flows west from the summit of Kebnekaise (2114 m) and Storglaciären flows east; thus regional climate affecting the glaciers is the same. The glaciers are of comparable size and geometry, although differences exist in the variation of ice thickness and the subglacial bedrock topography within the respective basins. The thickness of Rabots glaciär appears to be relatively uniform over much of its length and its bed smooth. The bed over which Storglaciären flows is chara

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7

Sutherland, D. A., R. H. Jackson, C. Kienholz, et al. "Direct observations of submarine melt and subsurface geometry at a tidewater glacier." Science 365, no. 6451 (2019): 369–74. http://dx.doi.org/10.1126/science.aax3528.

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Ice loss from the world’s glaciers and ice sheets contributes to sea level rise, influences ocean circulation, and affects ecosystem productivity. Ongoing changes in glaciers and ice sheets are driven by submarine melting and iceberg calving from tidewater glacier margins. However, predictions of glacier change largely rest on unconstrained theory for submarine melting. Here, we use repeat multibeam sonar surveys to image a subsurface tidewater glacier face and document a time-variable, three-dimensional geometry linked to melting and calving patterns. Submarine melt rates are high across the

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8

Roe, Gerard H., and Michael A. O’Neal. "The response of glaciers to intrinsic climate variability: observations and models of late-Holocene variations in the Pacific Northwest." Journal of Glaciology 55, no. 193 (2009): 839–54. http://dx.doi.org/10.3189/002214309790152438.

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AbstractDiscriminating between glacier variations due to natural climate variability and those due to true climate change is crucial for the interpretation and attribution of past glacier changes, and for the expectations of future changes. We explore this issue for the well-documented glaciers of Mount Baker in the Cascades Mountains of Washington State, USA, using glacier histories, glacier modeling, weather data and numerical weather model output. We find that natural variability alone is capable of producing kilometer-scale excursions in glacier length on multi-decadal and centennial times

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9

Winsvold, S. H., L. M. Andreassen, and C. Kienholz. "Glacier area and length changes in Norway from repeat inventories." Cryosphere 8, no. 5 (2014): 1885–903. http://dx.doi.org/10.5194/tc-8-1885-2014.

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Abstract. In this study, we assess glacier area and length changes in mainland Norway from repeat Landsat TM/ETM+-derived inventories and digitized topographic maps. The multi-temporal glacier inventory consists of glacier outlines from three time ranges: 1947 to 1985 (GIn50), 1988 to 1997 (GI1990), and 1999 to 2006 (GI2000). For the northernmost regions, we include an additional inventory (GI1900) based on historic maps surveyed between 1895 and 1907. Area and length changes are assessed per glacier unit, 36 subregions, and for three main parts of Norway: southern, central, and northern. The

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10

Winsvold, S. H., L. M. Andreassen, and C. Kienholz. "Glacier area and length changes in Norway from repeat inventories." Cryosphere Discussions 8, no. 3 (2014): 3069–115. http://dx.doi.org/10.5194/tcd-8-3069-2014.

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Abstract. In this study, we assess glacier area and length changes in mainland Norway from repeat Landsat TM/ETM+ derived inventories and digitized topographic maps. The multi-temporal glacier inventory consists of glacier outlines from within three time ranges: 1947 to 1985 (GIn50), 1988 to 1997 (GI1990), and 1999 to 2006 (GI2000). For the northernmost regions, we include an additional inventory (GI1900), based on historic maps surveyed between 1895 to 1907. Area and length changes are assessed per glacier unit, for 36 subregions, and for three main parts of Norway: southern, central and nort

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