Spatial variations in snow cover and seasonally frozen ground over northern China and Mongolia, 1988–2010
作者： Lijian Han , Atsushi Tsunekawa , Mitsuru Tsubo , Chunyang He , Miaogen Shen
DOI: 10.1016/J.GLOPLACHA.2014.02.008
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摘要: Abstract This study investigates the spatiotemporal variability of snow cover and seasonally frozen ground in northern China Mongolia during 1988–2010 with passive microwave remote sensing records. We used Goodison algorithm, adapted by introducing an additional soil freeze/thaw indicator to improve its efficiency mountainous areas, freeze–thaw algorithm estimate onset, duration, ablation and, for first time, interval between thawing ground. Snow tended vary systematically from high low latitudes, trend toward early/long/late elevated areas. The ablation–thawing varied latitudes/elevations, dry relatively humid being shorter (
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