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Position: Home > Articles > Research progress of satellite data utilization for snow monitoring in pastoral areas Pratacultural Science 2009,26 (1) 32-39

牧区积雪监测中卫星资料应用的研究现状

作  者:
王志伟;张学通;周兆叶;王平;陈全功
单  位:
兰州大学草地农业科技学院农业部草地农业生态系统学重点实验室
关键词:
牧区;积雪监测;卫星资料
摘  要:
牧区雪灾严重制约着牧区生产力的发展。卫星资料在雪灾监测中,起到控制雪灾和灾前预警的作用。牧区积雪监测中常用卫星资料NOAA/AVHRR在晴空条件下,具有大范围积雪动态变化监测的优势;TM资料则易于区分雪和云,同时适用于小范围积雪动态监测与精确定位;被动微波遥感数据SMMR、SSM/I和AMSR-E在获取雪深及雪层内部稳定方面效果显著;MODIS数据具有数据免费、较高空间分辨率等特点。多种卫星资料还在去云、混合像元处理、积雪深度、积雪面积监测和积雪监测模型建立中起到基础数据的作用,为雪灾的准确监测提供重要依据。
译  名:
Research progress of satellite data utilization for snow monitoring in pastoral areas
作  者:
WANG Zhi-wei,ZHANG Xue-tong,ZHOU Zhao-ye,WANG Ping,CHEN Quan-gong(College of Pastoral Agriculture Science and Technology,Lanzhou University;Key Laboratory of Grassland Agro-ecology System,Ministry of Agriculture,Lanzhou 730020,China)
关键词:
pastoral areas;snows monitoring;satellite data sources
摘  要:
Snowstorm is seriously restricting the development of animal productivity in pastoral areas.Satellite data play an important role for early warning the snowstorm.NOAA/AVHRR have the advantage for monitoring the dynamics of snow in clear air conditions at large-scale.TM data are easy to identify snow and cloud and proper for small-scale monitoring of snow and precise positioning.Passive microwave remote sensing data,such as SMMR,SSM/I and AMSRE,have the advantage to probe the snow depth and snow internal stability.MODIS data are free and higher spatial resolution.Satellite data play a basic role in eliminating the clouds,processing the mixing pixel,monitoring the snow depth and snow covered area and establishing the snow-monitoring model.

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