Intercomparison of Various LongTime SoilMoisture Datasets in China
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    Abstract:

    To evaluate the consistency between different products, 8 datasets of soil moisture products from the multisatellite estimation data of the European Space Agency Climate Change Initiative (ECV CCI), different versions of the Global Land Data Assimilation System (GLDAS/CLM, NOAH2.7, NOAH3.3, VIC, MOSAIC) and reanalysis datasets (ERAInterim, NCEP/DOE) are compared with the observed data in mainland China in the temporal and spatial distribution during the period of 1995 to 2010. Results show that all datasets can simulate the spatial distribution of soil moisture in different regions of China. GLDASNOAH and European Centre for MediumRange Weather Forecasts (ECMWF) reanalysis data (ERAInterim) have a bias of lessthan 0.05, the rootmeansquare deviation (RMSE) less than 0.1, and the correlation coefficient morethan 0.4. All datasets perform well in the north eastern region, but they have relatively poor representation in the south, southwest and northwestern parts of China. The ERAInterim successfully captured the interannual variability of soil moisture.

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沈润平,张悦,师春香,李洛晞,郭佳.长时间序列多源土壤湿度产品在中国地区的比较分析[J].气象科技英文版,2016,44(6):867-874.

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History
  • Received:December 11,2015
  • Revised:July 05,2016
  • Adopted:
  • Online: December 26,2016
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