DOI: 10.1029/2004jd005697
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Abstract: International audienceA new accurate determination of the spatial and temporal variations of northern wetland area extent, during the snow-free period, is retrieved from the 19- and 37-GHz passive microwave Special Sensor Microwave/Imager (SSM/I) brightness temperature database. The total fraction of water surface (FWS) area, corresponding to small lakes or reservoirs (area < 25 × 25 km2), inundated surfaces and natural wetland areas, computed on a weekly basis and averaged over the 1988–2001 period, gives a m…

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