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基于HJ-1B数据的积雪制图NDSI阈值分析——以祁连山积雪为例
环境减灾卫星 积雪 阈值 Khat系数
2014/3/7
环境减灾卫星是我国于2008年发射的用于环境与灾害监测预报的小卫星星座, 相对于气象卫星传感器, 其空间分辨率有了较大提高.以祁连山积雪为研究对象, 利用环境减灾卫星HJ-1B星开展积雪提取监测研究, 分别对不同区域、不同高程的积雪区进行积雪提取, 以同时期Landsat ETM+影像中提取的积雪面积为标准, 对环境减灾卫星NDSI阈值的选取进行研究分析, 以确定适合于HJ-1B提取积雪的阈值; ...
Modelling of cirrus clouds – Part 1b: Structuring cirrus clouds by dynamics
cirrus clouds Structuring cirrus clouds dynamics
2009/3/12
A recently developed and validated bulk microphysics scheme for modelling cirrus clouds (Spichtinger and Gierens, 2009), implemented into the anelastic non-hydrostatic model EULAG is used for investig...
MIPAS Level 1B algorithms overview: operational processing and characterization
MIPAS Level algorithms
2008/12/3
This paper gives an overview of the MIPAS Level 1B (L1B) processor whose main objective is to calibrate atmospheric measurements radiometrically, spectrally and geo-located. It presents also the resul...