Title :
Improvement of TVDI for soil moisture estimation
Author :
Zhong Ling Gao ; Qi Ming Qin ; Yue Jun Sun ; Xiao Po Zheng ; Ling Wu ; Nan Wang
Author_Institution :
Inst. of Remote Sensing & GIS, Peking Univ., Beijing, China
Abstract :
In the paper, we developed a novel method of soil moisture estimation in vegetated area base on the simulation result of Cupid model[1], and it was found that LAI and land surface temperture (Ts) appeared in logarithmic relation rather than linear traditionally TVDI (Temperature Vegetation Dryness Index) assumed. Then the soil moisture in vegetated area was calculated through a look-up table. The validation result shown that R2 of the novel method was better than TVDI.
Keywords :
land surface temperature; moisture; soil; vegetation; Cupid model; land surface temperture; linear traditionally TVDI; logarithmic relation; look-up table; soil moisture estimation; temperature vegetation dryness index; vegetated area; Estimation; Land surface temperature; Meteorology; Remote sensing; Soil moisture; Vegetation mapping; Cupid model; remote sensing; soil moisture;
Conference_Titel :
Geoscience and Remote Sensing Symposium (IGARSS), 2014 IEEE International
Conference_Location :
Quebec City, QC
DOI :
10.1109/IGARSS.2014.6947173
