Numerical simulation of surface heat and water fluxes in the Tibet Plateau

Qifeng Lu; Wei Gao; Zhiqiang Gao; Wanli Wu; Zhigang Zhang; Bingyu Du; James Slusser

doi:10.1117/12.676199

27 September 2006 Numerical simulation of surface heat and water fluxes in the Tibet Plateau

Qifeng Lu, Wei Gao, Zhiqiang Gao, Wanli Wu, Zhigang Zhang, Bingyu Du, James Slusser

Proceedings Volume 6298, Remote Sensing and Modeling of Ecosystems for Sustainability III; 62981H (2006) https://doi.org/10.1117/12.676199
Event: SPIE Optics + Photonics, 2006, San Diego, California, United States

Abstract

This paper examines the performance of an off-line version of the Community Land Model (CLM3.0) by simulating the soil properties: soil temperature, and soil wetness, in Tibetan Plateau, and the modeled results are validated with direct measurements at three filed sites. The soil properties in the model are initialized with field measurements and are driven by half-hourly observed atmospheric variables (temperature, humidity, wind speed, surface pressure and downward radiation (solar and infrared). The observation (or direct measurements) of the soil properties and atmospheric fields are collected through the Global Energy and Water Cycle Experiment (GEWEX) Asian Monsoon Experiment (GAME)-Tibet project. Results indicate the CLM is able to capture general characteristics of soil in Tibetan Plateau. The model shows sensitivity to initial soil properties, particularly soil moisture. The initial error in the soil moisture contributes largely the simulated bias in soil moisture.

Citation Download Citation

Qifeng Lu, Wei Gao, Zhiqiang Gao, Wanli Wu, Zhigang Zhang, Bingyu Du, and James Slusser "Numerical simulation of surface heat and water fluxes in the Tibet Plateau", Proc. SPIE 6298, Remote Sensing and Modeling of Ecosystems for Sustainability III, 62981H (27 September 2006); https://doi.org/10.1117/12.676199

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KEYWORDS

Soil science

Atmospheric modeling

Heat flux

Temperature metrology

Device simulation

Solar radiation models

Pulmonary function tests

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