Blending Satellite Observed, Model Simulated, and in Situ Measured Soil Moisture over Tibetan Plateau
AbstractThe inter-comparison of different soil moisture (SM) products over the Tibetan Plateau (TP) reveals the inconsistency among different SM products, when compared to in situ measurement. It highlights the need to constrain the model simulated SM with the in situ measured data climatology. In this study, the in situ soil moisture networks, combined with the classification of climate zones over the TP, were used to produce the in situ measured SM climatology at the plateau scale. The generated TP scale in situ SM climatology was then used to scale the model-simulated SM data, which was subsequently used to scale the SM satellite observations. The climatology-scaled satellite and model-simulated SM were then blended objectively, by applying the triple collocation and least squares method. The final blended SM can replicate the SM dynamics across different climatic zones, from sub-humid regions to semi-arid and arid regions over the TP. This demonstrates the need to constrain the model-simulated SM estimates with the in situ measurements before their further applications in scaling climatology of SM satellite products. View Full-Text
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Zeng, Y.; Su, Z.; van der Velde, R.; Wang, L.; Xu, K.; Wang, X.; Wen, J. Blending Satellite Observed, Model Simulated, and in Situ Measured Soil Moisture over Tibetan Plateau. Remote Sens. 2016, 8, 268.
Zeng Y, Su Z, van der Velde R, Wang L, Xu K, Wang X, Wen J. Blending Satellite Observed, Model Simulated, and in Situ Measured Soil Moisture over Tibetan Plateau. Remote Sensing. 2016; 8(3):268.Chicago/Turabian Style
Zeng, Yijian; Su, Zhongbo; van der Velde, Rogier; Wang, Lichun; Xu, Kai; Wang, Xing; Wen, Jun. 2016. "Blending Satellite Observed, Model Simulated, and in Situ Measured Soil Moisture over Tibetan Plateau." Remote Sens. 8, no. 3: 268.
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