Search Results - "Holt, Tom"

Changes in area, flow speed and structure of southwest Antarctic Peninsula ice shelves in the 21st century by Holt, Tom, Glasser, Neil F

“…Since the mid-20th century, ice shelves around the Antarctic Peninsula have declined in extent and thickness, and some have shown signs of structural…”
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Accelerating glacier volume loss on Juneau Icefield driven by hypsometry and melt-accelerating feedbacks by Davies, Bethan, McNabb, Robert, Bendle, Jacob, Carrivick, Jonathan, Ely, Jeremy, Holt, Tom, Markle, Bradley, McNeil, Christopher, Nicholson, Lindsey, Pelto, Mauri

“…Globally, glaciers and icefields contribute significantly to sea level rise. Here we show that ice loss from Juneau Icefield, a plateau icefield in Alaska,…”
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Topographic controls on ice flow and recession for Juneau Icefield (Alaska/British Columbia) by Davies, Bethan, Bendle, Jacob, Carrivick, Jonathan, McNabb, Robert, McNeil, Christopher, Pelto, Mauri, Campbell, Seth, Holt, Tom, Ely, Jeremy, Markle, Bradley

“…Globally, mountain glaciers and ice caps are losing dramatic volumes of ice. The resultant sea‐level rise is dominated by contributions from Alaska. Plateau…”
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Glacier structure influence on Himalayan ice‐front morphology by Peacey, Matthew W., Reynolds, John M., Holt, Tom O., Glasser, Neil F.

“…We investigate the role of glacier structures in controlling ice‐front morphology and dynamics of four Himalayan lake‐terminating glaciers over a 20‐year…”
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Modification of bedrock surfaces by glacial abrasion and quarrying: Evidence from North Wales by Glasser, Neil F., Roman, Matej, Holt, Tom O., Žebre, Manja, Patton, Henry, Hubbard, Alun L.

“…Abrasion and quarrying are significant processes of subglacial erosion for ice masses in direct contact with hard substrates, yet their relative efficacy and…”
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Morphology, flow dynamics and evolution of englacial conduits in cold ice by Kamintzis, Jayne E., Irvine‐Fynn, Tristram D. L., Holt, Tom O., Jones, John P. P., Porter, Philip R., Jennings, Stephen J. A., Naegeli, Kathrin, Hubbard, Bryn

“…Meltwater routing through ice masses exerts a fundamental control over glacier dynamics and mass balance, and proglacial hydrology. However, despite recent…”
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The Direct Impact of Climate Change on Regional Labor Productivity by Kjellstrom, Tord, Kovats, R. Sari, Lloyd, Simon J., Holt, Tom, Tol, Richard S. J.

“…Global climate change will increase outdoor and indoor heat loads, and may impair health and productivity for millions of working people. This study applies…”
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Upscaling ground‐based structural glaciological investigations via satellite remote sensing to larger‐scale ice masses: Bylot Island, Canadian Arctic by Jennings, Stephen J. A., Hambrey, Michael J., Moorman, Brian J., Holt, Tom O., Glasser, Neil F.

“…Using satellite remote sensing, this study aims to assess the validity of upscaling ground‐based structural observations of small valley glaciers, to…”
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Time‐lapse photogrammetry reveals hydrological controls of fine‐scale High‐Arctic glacier surface roughness evolution by Irvine‐Fynn, Tristram D. L., Holt, Tom O., James, Timothy D., Smith, Mark W., Rutter, Nick, Porter, Philip R., Hodson, Andrew J.

“…In a warming Arctic, as glacier snowlines rise, short‐ to medium‐term increases in seasonal bare‐ice extent are forecast for the next few decades. These…”
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Temporal Variability of Surface Reflectance Supersedes Spatial Resolution in Defining Greenland’s Bare-Ice Albedo by Irvine-Fynn, Tristram D. L., Bunting, Pete, Cook, Joseph M., Hubbard, Alun, Barrand, Nicholas E., Hanna, Edward, Hardy, Andy J., Hodson, Andrew J., Holt, Tom O., Huss, Matthias, McQuaid, James B., Nilsson, Johan, Naegeli, Kathrin, Roberts, Osian, Ryan, Jonathan C., Tedstone, Andrew J., Tranter, Martyn, Williamson, Christopher J.

“…Ice surface albedo is a primary modulator of melt and runoff, yet our understanding of how reflectance varies over time across the Greenland Ice Sheet remains…”
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Spatially consistent microbial biomass and future cellular carbon release from melting Northern Hemisphere glacier surfaces by Stevens, Ian T., Irvine-Fynn, Tristram D. L., Edwards, Arwyn, Mitchell, Andrew C., Cook, Joseph M., Porter, Philip R., Holt, Tom O., Huss, Matthias, Fettweis, Xavier, Moorman, Brian J., Sattler, Birgit, Hodson, Andy J.

“…Abstract Melting glacier ice surfaces host active microbial communities that enhance glacial melt, contribute to biogeochemical cycling, and nourish downstream…”
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Structural glaciology of Isunguata Sermia, West Greenland by Jones, Christine, Ryan, Jonathan, Holt, Tom, Hubbard, Alun

“…We present a 1:42,000 scale map of Isunguata Sermia, a land-terminating outlet glacier draining the western-sector of the Greenland Ice Sheet…”
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The structural, geometric and volumetric changes of a polythermal Arctic glacier during a surge cycle: Comfortlessbreen, Svalbard by King, Owen, Hambrey, Michael J., Irvine-Fynn, Tristram D. L., Holt, Tom O.

“…Various parameters of the most recent surge of the polythermal glacier Comfortlessbreen in northwest Svalbard, have been assessed through a combination of…”
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Structure and sedimentology of George VI Ice Shelf, Antarctic Peninsula; implications for ice-sheet dynamics and landform development by Hambrey, Michael J, Davies, Bethan J, Glasser, Neil F, Holt, Tom O, Smellie, John L, Carrivick, Jonathan L

“…Collapse of Antarctic ice shelves in response to a warming climate is well documented, but its legacy in terms of depositional landforms is little known. This…”
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Derivation of High Spatial Resolution Albedo from UAV Digital Imagery: Application over the Greenland Ice Sheet by Ryan, Jonathan C., Hubbard, Alun, Box, Jason E., Brough, Stephen, Cameron, Karen, Cook, Joseph M., Cooper, Matthew, Doyle, Samuel H., Edwards, Arwyn, Holt, Tom, Irvine-Fynn, Tristram, Jones, Christine, Pitcher, Lincoln H., Rennermalm, Asa K., Smith, Laurence C., Stibal, Marek, Snooke, Neal

“…Measurements of albedo are a prerequisite for modeling surface melt across the Earth’s cryosphere, yet available satellite products are limited in spatial…”
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Discovery of Novel Tricyclic Full Agonists for the G-Protein-Coupled Niacin Receptor 109A with Minimized Flushing in Rats by Shen, Hong C, Ding, Fa-Xiang, Deng, Qiaolin, Wilsie, Larissa C, Krsmanovic, Mihajlo L, Taggart, Andrew K, Carballo-Jane, Ester, Ren, Ning, Cai, Tian-Quan, Wu, Tsuei-Ju, Wu, Kenneth K, Cheng, Kang, Chen, Qing, Wolff, Michael S, Tong, Xinchun, Holt, Tom G, Waters, M. Gerard, Hammond, Milton L, Tata, James R, Colletti, Steven L

“…Tricyclic analogues were rationally designed as the high affinity niacin receptor G-protein-coupled receptor 109A (GPR109A) agonists by overlapping three lead…”
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Discovery of a Biaryl Cyclohexene Carboxylic Acid (MK-6892): A Potent and Selective High Affinity Niacin Receptor Full Agonist with Reduced Flushing Profiles in Animals as a Preclinical Candidate by Shen, Hong C, Ding, Fa-Xiang, Raghavan, Subharekha, Deng, Qiaolin, Luell, Silvi, Forrest, Michael J, Carballo-Jane, Ester, Wilsie, Larissa C, Krsmanovic, Mihajlo L, Taggart, Andrew K, Wu, Kenneth K, Wu, Tsuei-Ju, Cheng, Kang, Ren, Ning, Cai, Tian-Quan, Chen, Qing, Wang, Junying, Wolff, Michael S, Tong, Xinchun, Holt, Tom G, Waters, M. Gerard, Hammond, Milton L, Tata, James R, Colletti, Steven L

“…Biaryl cyclohexene carboxylic acids were discovered as full and potent niacin receptor (GPR109A) agonists. Compound 1e (MK-6892) displayed excellent receptor…”
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Bott–Chern and ∂¯ harmonic forms on almost Hermitian 4-manifolds by Holt, Tom

“…We prove that on a compact almost Hermitian 4-manifold the space of ∂ ¯ -harmonic (1, 1)-forms always has dimension h ∂ ¯ 1 , 1 = b - + 1 or b - , whilst the…”
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Harmonic forms on the Kodaira-Thurston manifold by Holt, Tom, Zhang, Weiyi

“…We introduce an effective method to determine the ∂¯-harmonic forms on the Kodaira-Thurston manifold endowed with an almost complex structure and an almost…”
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Bott–Chern and $$\bar{\partial }$$ harmonic forms on almost Hermitian 4-manifolds by Holt, Tom

“…Abstract We prove that on a compact almost Hermitian 4-manifold the space of $${\bar{\partial }}$$ ∂ ¯ -harmonic (1, 1)-forms always has dimension…”
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