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[1]JIANG Lin,FENG Wen-lan,LIU Zhi-hong,et al.Tempeture Vegetation Drought Index(TVDI) Retrieve and Comparison between FY-3A/MERSI and MODIS[J].Research of Soil and Water Conservation,2014,21(03):231-234,241.

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Tempeture Vegetation Drought Index(TVDI) Retrieve and Comparison between FY-3A/MERSI and MODIS

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 21 Number of periods: 2014 03 Page number: 231-234,241 Column: Public date: 2014-06-28

Title:: Tempeture Vegetation Drought Index(TVDI) Retrieve and Comparison between FY-3A/MERSI and MODIS

Author(s):: JIANG Lin¹, FENG Wen-lan¹, LIU Zhi-hong¹, LI Gang¹, GUO Bing²; 1. Chengdu University of Information Technology, Chengdu 610225, China;
2. Institute of Remote Sensing and Digital Earth, Chinese Academy of Sciences, Beijing 100094, China

Keywords:: FY-3A/MERSI; MODIS; Tempeture Vegetation Drought Index(TVDI); Panxi region

CLC:: TP79

DOI:: -

Abstract:: In order to present the difference and comparability between Tempeture Vegetation Drought Index (TVDI) retrieved by FY-3A/MERSI and MODIS in Panxi region, TVDI abstracted from MERSI and MODIS are calculated and compared. The following conclusions are be drawn: (1) the fitting coefficient of the dry-wet edge of MERSI is much higher; (2) the difference of MODIS-TVDI and MERSI-TVDI is from -0.12 to 0.23 and the mean of the difference is 0.11, the MODIS-TVDI is slightly higher than MERSI-TVDI; (3) each inversion result of various kinds of ground objects showed a better linear consistency, the maximum R² was forest land, which reached to 0.944; (4) MODIS-TVDI and MERSI-TVDI are significantly negatively correlated with the rainfall of the current month and the R² were -0.83, -0.91, respectively.The drought monitoring results are credible.

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