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Andri Gunnarsson and Sigurdur M. Gardarsson
Efficient water resource management in glacier- and snow-dominated basins requires accurate estimates of the snow water equivalent (SWE) in late winter and spring and melt onset timing and intensity. To understand the high spatio-temporal variability of ...
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Tomás R. Bolaño-Ortiz, Viverlys L. Díaz-Gutiérrez, Andrés M. Vélez-Pereira, Eliana L. Vergara-Vásquez and Yiniva Camargo-Caicedo
This article investigates the snow albedo changes in Colombian tropical glaciers, namely, Sierra Nevada de Santa Marta (SNSM), Sierra Nevada del Cocuy (NSC), Nevado del Ruíz (NDR), Nevado Santa Isabel (NDS), Nevado del Tolima (NDT), and Nevado del Huila ...
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Elliot Pachniak, Wei Li, Tomonori Tanikawa, Charles Gatebe and Knut Stamnes
Snow parameters have traditionally been retrieved using discontinuous, multi-band sensors; however, continuous hyperspectral sensors are now being developed as an alternative. In this paper, we investigate the performance of various sensor configurations...
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Olivier Asselin, Martin Leduc, Dominique Paquin, Alejandro Di Luca, Katja Winger, Melissa Bukovsky, Biljana Music and Michel Giguère
The biogeophysical effects of severe forestation are quantified using a new ensemble of regional climate simulations over North America and Europe. Following the protocol outlined for the Land-Use and Climate Across Scales (LUCAS) intercomparison project...
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Alexis L. Robinson, Sarah S. Ariano and Laura C. Brown
Lake ice models are a vital tool for studying the response of ice-covered lakes to changing climates throughout the world. The Canadian Lake Ice Model (CLIMo) is a one-dimensional freshwater ice cover model that simulates Arctic and sub-Arctic lake ice c...
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Eric A. Sproles, Andrew Mullen, Jordy Hendrikx, Charles Gatebe and Suzi Taylor
We present technical advances and methods to measure effective broadband physical albedo in snowy mountain headwaters using a prototype dual-sensor pyranometer mounted on an Autonomous Aerial Vehicle (an AAV). Our test flights over snowy meadows and fore...
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Tomás R. Bolaño-Ortiz, Viverlys L. Diaz-Gutiérrez and Yiniva Camargo-Caicedo
Snow albedo is an important variable in the coupled atmosphere-earth system at the global level. Moreover, studying its behavior allows us to know the state of the cryosphere. The Sierra Nevada de Santa Marta (SNSM) is a glacier area and the northernmost...
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Anne Sledd and Tristan L?Ecuyer
Decreasing sea ice and snow cover are reducing the surface albedo and changing the Arctic surface energy balance. How these surface albedo changes influence the planetary albedo is a more complex question, though, that depends critically on the modulatin...
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Galina Zdorovennova, Nikolay Palshin, Tatyana Efremova, Roman Zdorovennov, Galina Gavrilenko, Sergey Volkov, Sergey Bogdanov and Arkady Terzhevik
In winter, the reflective properties of ice-and-snow-covered lakes and the surrounding surface covered with snow differ little. Estimation of the albedo becomes especially important in spring when the reflectivity of the ice-covered lakes differs markedl...
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Louise Steffensen Schmidt, Peter L. Langen, Guðfinna Aðalgeirsdóttir, Finnur Pálsson, Sverrir Guðmundsson and Andri Gunnarsson
Several simulations of the surface climate and energy balance of Vatnajökull ice cap, Iceland, are used to estimate the glacier runoff for the period 1980–2015 and the sensitivity of runoff to the spring conditions (e.g., snow thickness). The ...
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