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Jeudi 28 avril - On the estimation of lake ice thickness and on-ice snow depth from satellite observations

by SEMSOU last modified Apr 25, 2016 04:31 PM
When Apr 28, 2016
from 11:00 AM to 12:00 PM
Where Salle Lyot
Attendees Claude Duguay, invité poste rouge OMP, Professor University of Waterloo, Canada
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Claude Duguay,

Professor and University Research Chair,

University of Waterloo, Ontario, Canada

Invité poste rouge OMP


Title : On the estimation of lake ice thickness and on-ice snow depth from satellite observations

Abstract :

The estimation of lake ice thickness by remote sensing means has been the topic of recent investigations by my research group at the University of Waterloo and one that I am further exploring with colleagues at LEGOS. In this talk I will present the progress we have made to date on :

1) the retrieval of ice thickness from microwave (AMSR-E) and thermal (MODIS) sensors

2) our understanding of radiation interactions with snow and ice properties on lakes.

Intensive field measurement campaigns using ground-based scatterometers (Ku- and X-band) as well as radiative transfer and 1-D thermodynamic lake ice modeling experiments have been essentials to the development of our satellite-based retrieval algorithms and the identification of challenges and opportunities for the use of C-, Ku- and Ka-band radar altimetry in the estimation of ice thickness and on-ice snow depth for high-latitude lakes.

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