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干旱区地理 ›› 2019, Vol. 42 ›› Issue (1): 154-161.doi: 10.12118/j.issn.1000-6060.2019.01.18

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Knowledge structure analysis of drought monitoring using remote sensing technology in China based on CiteSpace

WANG Jian-xun1, HUA Li1, DENG Shi-chao1, KONG Xiang-ru1, WANG Hu-idong1   

  1. 1 Research Center of Water and Soil Conservation, Huazhong Agricultural University, 430070
  • Online:2019-01-25 Published:2019-01-16

Abstract: By using CiteSpace software with visual analysis for a knowledge graph, 642 papers were analyzed about research on drought monitoring using remote sensing technology from 1995 to2017 in the databases of "SCI Journals" , "EI Journals", "Core Journals" and "CSSCI Journals". The result shows China has experienced three stages on drought monitoring research, which are as follows: traditional site-based drought monitoring, small-scaled drought monitoring by remote sensing technology, and a wide-ranged drought monitoring and application using remote sensing technology. The drought monitoring by remote sensing technology were mainly conducted from the perspectives of "Drought Monitoring", “Monitoring using Remote Sensing technology”, “Temperature Vegetation Dryness Index (TVDI)”, “Soil Humidity”, “Land Surface Temperature” and “Normalized Difference Vegetation Index (NDVI)”. Wang Pengxin, Zhang Shuyu and Zhang Qiang are the main authors of the relevant papers. Chinese Academy of Sciences, China Meteorology Bureau and China Agricultural University are the main organizations where the authors come from. In the future, there are some important aspects about domestic drought monitoring research which include the multi-source based comprehensive drought monitoring model,  the large-scale drought monitoring assessment, the early warning and decision support systems, the application of the drought monitoring using remote sensing technology in social services, and the reinforcement of the exchange and cooperation between domestic scholars and institutions.

Key words: Drought monitoring, Remote sensing technology, CiteSpace, Knowledge mapping