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| Evaporation Estimation of the Sumu Jaran South Lake in the Badain Jaran Desert Based on Modified SEBS Model |
| Ke Ke, Jin Xiaomei, Gao Mengmeng, Gong Peng |
| School of Water Resources and Environment, China University of Geosciences, Beijing 100083, China |
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Abstract Based on modified Surface Energy Balance System, the evaporation from 2000 to 2013 of the Sumu Jaran South Lake, in the southeast of the Badain Jaran Desert, was estimated using TM/ETM+ data. The result was validated by the E601 pan observation evaporation in the lake. It indicated that SEBS result was strongly correlated with pan observation and R2 is more than 0.95 (RMSE=0.313 mm, MAPE=8.17%). A conversion equation was set with a conversion coefficient of 0.621. Based on the equation, the annual evaporation of the lake is 1 287.544 mm. The correlations between evaporation and meteorological factors were also discussed in this paper. Temperature and sunshine hours were strongly correlated with evaporation, while wind speed had the least correlation with evaporation.
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Received: 05 September 2013
Published: 20 January 2015
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2015, Vol. 35 
