Search Results - "LEGAGNEUX, Loic"
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A mean field model of the decrease of the specific surface area of dry snow during isothermal metamorphism
Published in Journal of Geophysical Research (01-12-2005)“…The surface area of snow that is accessible to gases is an essential parameter for quantifying the exchange of trace gases between the snowpack and the…”
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Structure, microphysics, and surface area of the Arctic snowpack near Alert during the ALERT 2000 campaign
Published in Atmospheric environment (1994) (01-05-2002)“…The seasonal snowpack at Alert (North coast of Ellesmere Island, 82°29.94′N, 62°20.55′W) was studied in February and April 2000, on land and on sea ice. The…”
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Correlation between the specific surface area and the short wave infrared (SWIR) reflectance of snow
Published in Cold regions science and technology (01-10-2006)“…The albedo of snow is determined in part by the size and shape of snow crystals, especially in the short wave infrared (SWIR). Many models of snow albedo…”
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Rate of Evolution of the Specific Surface Area of Surface Snow Layers
Published in Environmental science & technology (15-02-2003)“…The snowpack can impact atmospheric chemistry by exchanging adsorbed or dissolved gases with the atmosphere. Modeling this impact requires the knowledge of the…”
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Formaldehyde in Arctic snow. Incorporation into ice particles and evolution in the snowpack
Published in Atmospheric environment (1994) (01-05-2002)“…Formaldehyde was measured in the seasonal snowpack near Alert (Ellesmere Island 82.5°N, 62.3°W) during both winter and spring campaigns of ALERT2000. The time…”
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Acetaldehyde and acetone in the Arctic snowpack during the ALERT2000 campaign. Snowpack composition, incorporation processes and atmospheric impact
Published in Atmospheric environment (1994) (01-05-2002)“…Acetaldehyde and acetone were measured in the seasonal snowpack near Alert (Nunavut, Canadian Arctic) in February and April 2000. Acetaldehyde concentrations…”
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Specific Surface Area of Snow Samples Determined by CH4 Adsorption at 77 K and Estimated by Optical Microscopy and Scanning Electron Microscopy
Published in Environmental science & technology (15-02-2001)“…Snow is a divided medium that can adsorb atmospheric trace gases. Evaluating the impact of the snow cover on atmospheric chemistry therefore requires the…”
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Measurement of the specific surface area of 176 snow samples using methane adsorption at 77 K
Published in Journal of Geophysical Research - Atmospheres (16-09-2002)“…To help quantify exchanges between the atmosphere and the snow cover, we have measured the specific surface area (SSA) of 176 snow samples taken from the…”
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Evolution of the specific surface area and of crystal morphology of Arctic fresh snow during the ALERT 2000 campaign
Published in Atmospheric environment (1994) (01-05-2002)“…Metamorphism of surface snow results in a decrease in specific surface area (SSA), which causes the release of adsorbed trace gases. This process contributes…”
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A mean field model of the decrease of the specific surface area of dry snow during isothermal metamorphism
Published in Journal of geophysical research (2005)Get full text
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Acetaldehyde and acetone in the Arctic snowpack during the ALERT2000 campaign. Snowpack composition, incorporation processes and atmospheric impact: Air/snow/ice interactions in the Arctic: results from ALERT 2000 and SUMMIT 2000
Published in Atmospheric environment (1994) (2002)Get full text
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Snow metamorphism as revealed by scanning electron microscopy
Published in Microscopy research and technique (01-09-2003)“…Current theories of snow metamorphism indicate that sublimating snow crystals have rounded shapes, while growing crystals have shapes that depend on growth…”
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Measurement of the specific surface area of 176 snow samples using methane adsorption at 77 K
Published in Journal of geophysical research (2002)Get full text
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