Person

Louis Sass

Physical Scientist

Alaska Science Center

Email: lsass@usgs.gov
Office Phone: 907-786-7460
Fax: 907-786-7150
ORCID: 0000-0003-4677-029X

Location
Glenn Olds Hall
4210 University Drive
Anchorage , AK 99508-4626
US

Supervisor: Jeff Conaway

2 items:

Hypsometric control on glacier mass balance sensitivity in Alaska and northwest Canada 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, All tags... Water, Coasts and Ice, Fewer tags
End-of-winter snow depth variability on glaciers in Alaska Abstract (from http://onlinelibrary.wiley.com/doi/10.1002/2015JF003539/abstract): A quantitative understanding of snow thickness and snow water equivalent (SWE) on glaciers is essential to a wide range of scientific and resource management topics. However, robust SWE estimates are observationally challenging, in part because SWE can vary abruptly over short distances in complex terrain due to interactions between topography and meteorological processes. In spring 2013, we measured snow accumulation on several glaciers around the Gulf of Alaska using both ground- and helicopter-based ground-penetrating radar surveys, complemented by extensive ground truth observations. We found that SWE can be highly variable (40%... Categories: Publication; Types: Citation; Tags: Alaska CASC, Glaciers, Glaciers and Permafrost, Science Tools For Managers, Sea-Level Rise and Coasts, All tags...

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