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ROOT _ScienceBase Catalog __National and Regional Climate Adaptation Science Centers ___Alaska CASC ____FY 2015 Projects
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Abstract (from http://onlinelibrary.wiley.com/doi/10.1002/2016EF000479/full): Glacier hypsometry provides a first-order approach for assessing a glacier's response to climate forcings. We couple the Randolph Glacier Inventory to a suite of in situ observations and climate model output to examine potential change for the ∼27,000 glaciers in Alaska and northwest Canada through the end of the 21st century. By 2100, based on Representative Concentration Pathways (RCPs) 4.5–8.5 forcings, summer temperatures are predicted to increase between +2.1 and +4.6°C, while solid precipitation (snow) is predicted to decrease by −6 to −11%, despite a +9 to +21% increase in total precipitation. Snow is predicted to undergo a pronounced...
Categories: Publication;
Types: Citation;
Tags: Alaska CASC,
Forests,
Glaciers and Permafrost,
Landscapes,
Sea-Level Rise and Coasts,
Abstract (from http://onlinelibrary.wiley.com/doi/10.1002/2015WR018457/full): A comprehensive study of the Gulf of Alaska (GOA) drainage basin was carried out to improve understanding of the coastal freshwater discharge (FWD) and glacier volume loss (GVL). Hydrologic processes during the period 1980–2014 were modeled using a suite of physically based, spatially distributed weather, energy-balance snow/ice melt, soil water balance, and runoff routing models at a high-resolution (1 km horizontal grid; daily time step). Meteorological forcing was provided by the North American Regional Reanalysis (NARR), Modern Era Retrospective Analysis for Research and Applications (MERRA), and Climate Forecast System Reanalysis...
Categories: Publication;
Types: Citation;
Tags: Alaska CASC,
Forests,
Glaciers and Permafrost,
Landscapes,
Sea-Level Rise and Coasts,
Abstract (from http://onlinelibrary.wiley.com/doi/10.1002/2016WR020033/full): High-resolution regional-scale hydrologic models were used to quantify the response of late 21st century runoff from the Gulf of Alaska (GOA) watershed to changes in regional climate and glacier extent. NCEP Climate Forecast System Reanalysis data were combined with five Coupled Model Intercomparison Project Phase 5 general circulation models (GCMs) for two representative concentration pathway (RCP) scenarios (4.5 and 8.5) to develop meteorological forcing for the period 2070–2099. A hypsographic model was used to estimate future glacier extent given assumed equilibrium line altitude (ELA) increases of 200 and 400 m. GCM predictions show...
Categories: Publication;
Types: Citation;
Tags: Alaska CASC,
Forests,
Glaciers and Permafrost,
Landscapes,
Sea-Level Rise and Coasts,
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