Title Present weather-sensor tests for measuring drifting snow
Author Bellot, H.; Trouvilliez, A.; Naaim- Bouvet, F.; Genthon, C.; Gallée, H.
Author Affil Bellot, H., Cemagref, Saint- Martin-d'Heres, France. Other: Université Joseph Fourier, France
Source Annals of Glaciology, 52(58), p.176- 184, . Publisher: International Glaciological Society, Cambridge, United Kingdom. ISSN: 0260-3055
Publication Date 2011
Notes In English. 10 refs. Ant. Acc. No: 91642. GeoRef Acc. No: 310194
Index Terms precipitation (meteorology); climatic change; mass balance; measurement; snow; velocity; wind velocity; Antarctica; atmospheric precipitation; calibration; Cap Prud'homme; climate change; Dumont d'Urville Station; numerical models; snowdrift; winds
Abstract In Antarctica, blowing snow accounts for a major component of the surface mass balance near the coast. Measurements of precipitation and blowing snow are scarce, and therefore collected data would allow testing of numerical models of mass flux over this region. A present weather station (PWS), Biral VPF730, was set up on the coast at Cap Prud'homme station, 5 km from Dumont d'Urville (DDU), principally to quantify precipitation. Since we expected to be able to determine blowing-snow fluxes from the PWS data, we tested this device first on our experimental site, the Lac Blanc pass. An empirical calibration was made with a snow particle counter. Although the physics of the phenomenon was not well captured, the flux outputs were better than those from FlowCapts. The first data from Antarctica were reanalyzed. The new calibration seems to be accurate for estimating the high blowingsnow flux with an interrogation of the precipitation effects.
Publication Type journal article
Record ID 65007369