摘要
利用MODIS10A2积雪产品数据(2001~2013年)对西藏墨竹工卡县积雪的时间变化及其空间分布特征进行分析,结果表明,西藏墨竹工卡地区墨竹工卡98.62%的区域积雪持续日数是不超过180d;积雪随着海拔升高,持续天数也在增加;积雪覆盖率年际变化趋势不明显,但季节性差异大.
By using MODISIOA2 snow product data (2001-2013), the temporal and spatial distribution characteristics of snow accumulalion in Maizhokunggar County, Tibet were analyzed. The results showed that the 98.62% of Tibetan Maizhokunggar area snow lasting days is not more than 180 days; with inereasing ahitude, snow lasting days has increased; snow cover annual variation trend is not obvious, hut the seasonal difference is large.
出处
《安徽农业科学》
CAS
2014年第30期10602-10603,10631,共3页
Journal of Anhui Agricultural Sciences
基金
西藏大学青年科研培育基金项目(ZD11PZ04)
关键词
墨竹工卡
积雪
MODIS10A2
时空分布
Maizhokunggar
Snow accumulation
MODID10A2
Spatial and temporal distribution