NDLI: Monitoring the meteorological drought in the middle reaches of Heihe River basin based on TRMM precipitation data

Content Provider	IEEE Xplore Digital Library
Author	Wang, Yao Zhao, Chuanyan Xu, Zhonglin Wang, Chao Nan, Zhongren
Copyright Year	2011
Description	Author affiliation: College of Earth and Environmental Sciences, Lanzhou University, 730000, China (Wang, Chao; Nan, Zhongren) \|\| Key Laboratory of Arid and Grassland Agroecology with the Ministry of Education, Lanzhou University, 730000, China (Wang, Yao; Zhao, Chuanyan) \|\| Key Laboratory of Western China's Environmental Systems with the Ministry of Education, Lanzhou University, 730000, China (Xu, Zhonglin)
Abstract	According to the current situation that the precipitation data which were collected with the Tropical Rainfall Measurement Mission (TRMM), has not yet been used to monitor the meteorological drought. In this study, the drought occurred in our study area (the spring wheat areas of the middle reach of Heihe River basin) from May 2009 to September 2009 was taken as a monitor case, through incorporate the TRMM 3B43 precipitation data product with the index of precipitation anomaly percentage, we monitored the spatial distribution process of this meteorological drought. Some of the conclusions can be drawn from our study. First, when the cumulative effects of pre-precipitation were taken into account, the meteorological drought monitoring results represented by the precipitation anomaly percentage index coincide with the actual situation. Second, in the period from May 2009 to September 2009, the spring wheat in our study area experienced a meteorological drought process from constantly aggravating to gradually easing. Our investigation revealed that the drought level of April 2009 was the highest, and the core areas of drought were mainly distributed in the regions of Zhangye, Shandan, Minle and most of Jiuquan. At the end of April 2009, by the multiple effects of precipitation, the drought pressure in our study area had been greatly relieved. Third, due to the better temporal and spatial continuity than the ground-based meteorological observation, TRMM precipitation data had good application prospects in the meteorological drought monitoring at a national or regional macro-scale.
Starting Page	2586
Ending Page	2589
File Size	432165
Page Count	4
File Format	PDF
ISBN	9781457710032
ISSN	21537003
e-ISBN	9781457710056
DOI	10.1109/IGARSS.2011.6049770
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-07-24
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Monitoring Rivers Indexes Meteorology Water resources Production Educational institutions the middle reaches of Heihe River basin Meteorological drought TRMM
Content Type	Text
Resource Type	Article

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