农业干旱监测研究进展与展望（英文）

发布时间：2017-08-15 01:27

  本文关键词：农业干旱监测研究进展与展望（英文）

  更多相关文章： agricultural drought drought monitoring research progress research prospect

【摘要】：In this paper, we compared the concept of agricultural drought and its relationship with other types of droughts and reviewed the progress of research on agricultural drought monitoring indices on the basis of station data and remote sensing. Applicability and limitations of different drought monitoring indices were also compared. Meanwhile, development history and the latest progress in agricultural drought monitoring were evaluated through statistics and document comparison, suggesting a transformation in agricultural drought monitoring from traditional single meteorological monitoring indices to meteorology and remote sensing-integrated monitoring indices. Finally, an analysis of current challenges in agricultural drought monitoring revealed future research prospects for agricultural drought monitoring, such as investigating the mechanism underlying agricultural drought, identifying factors that influence agricultural drought, developing multi-spatiotemporal scales models for agricultural drought monitoring, coupling qualitative and quantitative agricultural drought evaluation models, and improving the application levels of remote sensing data in agricultural drought monitoring.
【作者单位】： State
【关键词】： agricultural drought drought monitoring research progress research prospect
【基金】：Major Project of High-resolution Earth Observation System
【分类号】：S423
【正文快照】： 1 IntroductionGlobal climate change,which is both the biggest problem and the most complicated chal-lenge faced by human beings,has attracted the attention of the public and governmentsworldwide(Ye,1992).The frequency and intensity of extreme climate eve

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