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snowpack

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Journal Article
Journal: The Leading Edge
Published: 01 August 2022
The Leading Edge (2022) 41 (8): 540–547.
... of data provided by the technology. Small unoccupied aerial system (sUAS) ground-penetrating radar (GPR) surveys conducted over water bodies and snow have proven beneficial for determining bathymetry in dangerous swift water and depth of snowpack in mountainous regions. Challenges arise due to decoupling...
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Series: GSA Special Papers
Published: 12 August 2021
DOI: 10.1130/2019.2536(14)
EISBN: 9780813795362
...) concentrated in the 3–5 yr period. Patterns shown by episodic sediment delivery events support winter snowpack as a modulator of late Holocene sediment export from these watersheds. INTRODUCTION Chronology Six of the core sets referenced here (Williams, Herd, Meadow, Yellow Belly, Wallace...
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Journal Article
Journal: Geophysics
Published: 10 June 2020
Geophysics (2020) 85 (4): H39–H49.
... that could be representative of the velocity in the overall snowpack thickness, measurements at different depths must be collected and properly averaged. One potential problem affecting such an approach is the sampling procedure; this topic will be addressed at depth in the “Effect of sampling on the overall...
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Series: Geological Society, London, Special Publications
Published: 01 January 2019
DOI: 10.1144/SP467.4
EISBN: 9781786203625
... permafrost) beneath an active layer that averages c. 20 cm in thickness. Several gullies (with channels <5 m wide) incise the southern (equator-facing) wall of South Fork. The two longest extend c. 3 km from perennial snowpacks in alcoves along the rim of the valley wall to the floor of the valley...
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Journal Article
Published: 13 November 2018
Canadian Journal of Earth Sciences (2019) 56 (2): 183–200.
... thick in all model runs); in the second, air temperatures act upon an overlying snowpack that insulates the ice (0.3 m thick). In both cases, the bottom of the ice layer is held at a constant 0 °C to mimic contact with lake water, and the temperature at the top of the ice or snow is assumed equal...
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Series: Geological Society, London, Special Publications
Published: 01 January 2018
DOI: 10.1144/SP462.10
EISBN: 9781786203434
...), the thickness of the snowpack at the station site was unknown. For this study a thickness of 1 m snowpack was assumed based on the precipitation of c. 130, 180, 240 and 130 mm during December 2012, January 2013, February 2013 and March 2013, respectively, reported by Azam et al. (2014) on Chhota Shigri...
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Journal Article
Journal: Geophysics
Published: 29 January 2016
Geophysics (2016) 81 (1): WA213–WA223.
...Lino Schmid; Jürg Schweizer; John Bradford; Hansruedi Maurer ABSTRACT Snow stratigraphy and liquid water content are key contributing factors to avalanche formation. Upward-looking ground-penetrating radar (upGPR) systems allow nondestructive monitoring of the snowpack, but deriving density...
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Journal Article
Published: 01 November 2015
Jour. Geol. Soc. India (2015) 86 (5): 613–619.
... in different snow and ice media in Antarctica. Experiments were conducted on low density fresh snowpack, wind compacted high density snowpack, and blue ice area in east Dronning Maud Land, Antarctica, in a radius of 10 km from Indian research station Maitri (70°46'03.98" S and 11°41'40.72" E). Direct...
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Journal Article
Published: 01 August 2015
Vadose Zone Journal (2015) 14 (8): vzj2014.12.0182.
... recharge and streamflow has long been known. This study was conducted to investigate the variability of soil wetting and drying dynamics within a network of soil moisture sensors beneath a seasonally persistent snowpack in California’s southern Sierra Nevada. Data were analyzed to quantify the persistence...
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Journal Article
Journal: GSA Bulletin
Published: 01 March 2012
GSA Bulletin (2012) 124 (3-4): 318–334.
... plays a key role in the isotope hydrology of meteoric water systems in the continental interior southwestern United States. We demonstrate that altitude-dependent sublimation of the winter snowpack is a viable mechanism for the observed isotopic enrichment and reduced δ 18 O-elevation gradients of Basin...
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Journal Article
Published: 01 August 2010
Vadose Zone Journal (2010) 9 (3): 517–527.
... accumulation and snowmelt also have a significant impact on the surface energy balance and the soil water balance, especially in snow-dominated systems. Many hydrologic models treat snow in a simplified manner. The snowpack is represented by a single layer ( Downer and Ogden, 2004 ), two layers ( Wigmosta et...
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Series: GSA Field Guide
Published: 01 January 2009
DOI: 10.1130/2009.fld015(22)
EISBN: 9780813756158
... Abstract This field trip guide describes a one-day loop from Portland eastward around Mount Hood and returning through the Columbia River Gorge. The purpose is to visit a SNOTEL (SNOwpack TELemetry) site to observe processes and instrumentation applied in automated snowpack data collection...
Journal Article
Journal: The Leading Edge
Published: 01 July 2002
The Leading Edge (2002) 21 (7): 690–694.
... grains creating a weak snow layer. During the season the snowpack builds from a series of storms, each depositing another layer of snow that will undergo change. This process is analogous to the geologic deposition of stratigraphic layers that undergo postdepositional diagenetic changes. As snow changes...
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