4 record(s) found with the tag "surface albedo" (multi-year projects are grouped):
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Impact of melt ponds on energy and momentum fluxes between atmosphere and sea ice (acronym: MELTEX)
Principal Investigator: Birnbaum, Gerit
Licenced Year(s): 2008
Summary: The main goal of this project is to better understand how melt ponds evolve, and their influence on absorption/reflection of solar radiation at the sea ice surface. This information will help to predict summer sea ice melt and future Arctic climate. Data will be collected by using instruments mounted on the German research aircraft Polar5. The airbase of Polar5 will be Inuvik. The aircraft will...


Norman Wells Straw Bales and Reflective Surface Test
Principal Investigator: Graburn, Larry
Licenced Year(s): 2006 2005
Summary: The objective of this project is to test the thermal properties of straw bales and reflective surfaces for use on permafrost slopes along a potential pipeline route in the Mackenzie Valley. These materials might be used in conjunction with or as alternatives to wood chips to protect the exposed slopes from surface erosion and reduce the rate of thawing. In mid-February 2006 a bulldozer and brush c...


Spatial variability of active-layer thickness and surface characteristics
Principal Investigator: Nguyen, Thai-Nguyen
Licenced Year(s): 2006 2005
Summary: The objective of this research is to determine the spatial correlation between surface properties and active-layer thickness. Six sites have been established across the treeline, between Inuvik and Swimming Point. At each site, shallow temperature cables are installed in the active-layer and near-surface permafrost and air temperatures are monitored by data logger. During this project, the res...


FIRE III: An Arctic Cloud Study
Principal Investigator: Isaac, George
Licenced Year(s): 1998
Summary: Arctic clouds are dominant on average covering 40 to 60% of the skies over the Arctic ocean. They exert a large influence on the radiation balance in the Arctic, where climate change effects are predicted and observed to be largest in the northern hemisphere. The FIRE III field project will use in-situ measurements obtained using instrumental aircraft, in combination with concurrent satellite dta,...


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