Search Results - "Arnold, Neil S."

Surface Pond Energy Absorption Across Four Himalayan Glaciers Accounts for 1/8 of Total Catchment Ice Loss by Miles, Evan S., Willis, Ian, Buri, Pascal, Steiner, Jakob F., Arnold, Neil S., Pellicciotti, Francesca

“…Glaciers in High Mountain Asia, many of which exhibit surface debris, contain the largest volume of ice outside of the polar regions. Many contain supraglacial…”
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Spatial, seasonal and interannual variability of supraglacial ponds in the Langtang Valley of Nepal, 1999–2013 by MILES, EVAN S., WILLIS, IAN C., ARNOLD, NEIL S., STEINER, JAKOB, PELLICCIOTTI, FRANCESCA

“…Supraglacial ponds play a key role in absorbing atmospheric energy and directing it to the ice of debris-covered glaciers, but the spatial and temporal…”
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Supervised classification of slush and ponded water on Antarctic ice shelves using Landsat 8 imagery by Dell, Rebecca L., Banwell, Alison F., Willis, Ian C., Arnold, Neil S., Halberstadt, Anna Ruth W., Chudley, Thomas R., Pritchard, Hamish D.

“…Surface meltwater is becoming increasingly widespread on Antarctic ice shelves. It is stored within surface ponds and streams, or within firn pore spaces,…”
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Refined energy-balance modelling of a supraglacial pond, Langtang Khola, Nepal by Miles, Evan S., Pellicciotti, Francesca, Willis, Ian C., Steiner, Jakob F., Buri, Pascal, Arnold, Neil S.

“…Supraglacial ponds on debris-covered glaciers present a mechanism of atmosphere/glacier energy transfer that is poorly studied, and only conceptually included…”
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Remote Detection of Surge-Related Glacier Terminus Change across High Mountain Asia by Vale, Amelia B., Arnold, Neil S., Rees, W. Gareth, Lea, James M.

“…High Mountain Asia (HMA) hosts the largest glacier concentration outside of polar regions. It is also distinct glaciologically as it forms one of two major…”
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Ice dynamic response to two modes of surface lake drainage on the Greenland ice sheet by Tedesco, Marco, Willis, Ian C, Hoffman, Matthew J, Banwell, Alison F, Alexander, Patrick, Arnold, Neil S

“…Supraglacial lake drainage on the Greenland ice sheet opens surface-to-bed connections, reduces basal friction, and temporarily increases ice flow velocities…”
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Controls on rapid supraglacial lake drainage in West Greenland: an Exploratory Data Analysis approach by WILLIAMSON, ANDREW G., WILLIS, IAN C., ARNOLD, NEIL S., BANWELL, ALISON F.

“…The controls on rapid surface lake drainage on the Greenland ice sheet (GrIS) remain uncertain, making it challenging to incorporate lake drainage into models…”
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Supervised classification of slush and ponded water on Antarctic ice shelves using Landsat 8 imagery – CORRIGENDUM by Dell, Rebecca L., Banwell, Alison F., Willis, Ian C., Arnold, Neil S., Halberstadt, Anna Ruth W., Chudley, Thomas R., Pritchard, Hamish D.

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Topographic controls on the surface energy balance of a high Arctic valley glacier by Arnold, Neil S., Rees, W. Gareth, Hodson, Andrew J., Kohler, Jack

“…This paper presents the results of a distributed, two‐dimensional surface energy balance model used to investigate the spatial and temporal variations in the…”
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Eskers associated with buried glaciers in Mars' mid latitudes: recent advances and future directions by Butcher, Frances E. G., Arnold, Neil S., Balme, Matthew R., Conway, Susan J., Clark, Christopher D., Gallagher, Colman, Hagermann, Axel, Lewis, Stephen R., Rutledge, Alicia M., Storrar, Robert D., Woodley, Savana Z.

“…Until recently, the influence of basal liquid water on the evolution of buried glaciers in Mars' mid latitudes was assumed to be negligible because the latter…”
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Drainage networks, lakes and water fluxes beneath the Antarctic ice sheet by Willis, Ian C., Pope, Ed L., Leysinger Vieli, Gwendolyn J.-M.C., Arnold, Neil S., Long, Sylvan

“…Antarctica Bedmap2 datasets are used to calculate subglacial hydraulic potential and the area, depth and volume of hydraulic potential sinks. There are over 32…”
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Substantial contribution of slush to meltwater area across Antarctic ice shelves by Dell, Rebecca L., Willis, Ian C., Arnold, Neil S., Banwell, Alison F., de Roda Husman, Sophie

“…Surface melting occurs across many of Antarctica’s ice shelves, mainly during the austral summer. The onset, duration, area and fate of surface melting varies…”
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Sediment-rich meltwater plumes and ice-proximal fans at the margins of modern and ancient tidewater glaciers: Observations and modelling by Dowdeswell, Julian A., Hogan, Kelly A., Arnold, Neil S., Mugford, Ruth I., Wells, Martin, Hirst, J. Philip P., Decalf, Carole

“…Turbid meltwater plumes and ice‐proximal fans occur where subglacial streams reach the grounded marine margins of modern and ancient tidewater glaciers…”
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Are the Dorsa Argentea on Mars eskers? by Butcher, Frances E.G., Conway, Susan J., Arnold, Neil S.

“…•Geometries of the Dorsa Argentea on Mars are statistically similar to >20 000 terrestrial eskers.•Variations in ridge cross-sectional morphology are…”
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Dual-satellite (Sentinel-2 and Landsat 8) remote sensing of supraglacial lakes in Greenland by Williamson, Andrew G, Banwell, Alison F, Willis, Ian C, Arnold, Neil S

“…Remote sensing is commonly used to monitor supraglacial lakes on the Greenland Ice Sheet (GrIS); however, most satellite records must trade off higher spatial…”
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Morphometry of a glacier-linked esker in NW Tempe Terra, Mars, and implications for sediment-discharge dynamics of subglacial drainage by Butcher, Frances E.G., Balme, Matthew R., Conway, Susan J., Gallagher, Colman, Arnold, Neil S., Storrar, Robert D., Lewis, Stephen R., Hagermann, Axel

“…•We report 3D morphometries of a late-Amazonian-aged esker in NW Tempe Terra, Mars.•The esker comprises a narrow ridge ‘stacked’ atop a broader underlying…”
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Modeling supraglacial water routing and lake filling on the Greenland Ice Sheet by Banwell, Alison F., Arnold, Neil S., Willis, Ian C., Tedesco, Marco, Ahlstrøm, Andreas P.

“…During more intense melt years, supraglacial lakes on the Greenland Ice Sheet are found to fill more rapidly and to drain earlier in the melt season. They also…”
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Past water flow beneath Pine Island and Thwaites glaciers, West Antarctica by Kirkham, James D, Hogan, Kelly A, Larter, Robert D, Arnold, Neil S, Nitsche, Frank O, Golledge, Nicholas R, Dowdeswell, Julian A

“…Outburst floods from subglacial lakes beneath the Antarctic Ice Sheet modulate ice-flow velocities over periods of months to years. Although subglacial lake…”
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Contrasting snow and ice albedos derived from MODIS, Landsat ETM+ and airborne data from Langjökull, Iceland by Pope, Ed L., Willis, Ian C., Pope, Allen, Miles, Evan S., Arnold, Neil S., Rees, W. Gareth

“…Surface albedo is a key parameter in the energy balance of glaciers and ice sheets because it controls the shortwave radiation budget, which is often the…”
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Modeling the surface mass balance of a high Arctic glacier using the ERA-40 reanalysis by Rye, Cameron J., Arnold, Neil S., Willis, Ian C., Kohler, Jack

“…Investigating glacier mass balance via the use of numerical models provides an important insight into glacier‐climate interactions and allows for the…”
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