globalchange  > 气候减缓与适应
DOI: 10.1029/2017JD027600
Scopus记录号: 2-s2.0-85047846649
论文题名:
Radiance-Based Evaluation of WRF Cloud Properties Over East Asia: Direct Comparison With FY-2E Observations
作者: Yao B.; Liu C.; Yin Y.; Zhang P.; Min M.; Han W.
刊名: Journal of Geophysical Research: Atmospheres
ISSN: 2169897X
出版年: 2018
卷: 123, 期:9
起始页码: 4613
结束页码: 4629
语种: 英语
英文关键词: cloudy atmosphere ; FY-2E ; radiative transfer
Scopus关键词: atmospheric modeling ; brightness temperature ; cloud cover ; comparative study ; FengYun ; geostationary satellite ; observational method ; precipitation (climatology) ; radiative transfer ; radiometer ; simulation ; China ; Far East
英文摘要: Radiance-based comparison between model-simulated and satellite-observed atmosphere shows its unique advantage for model evaluation. This study couples a fast radiative transfer model, namely, the community radiative transfer model, and the Weather Research and Forecasting (WRF) to generate synthetic satellite observed infrared (IR) brightness temperatures (BTs) over East Asia. Simulated IR BTs are used to evaluate WRF cloud properties by direct comparison with observations from the Visible and Infrared Spin-Scan Radiometer (onboard the FengYun-2E geostationary satellite). A deep cyclone over North China is investigated as our case study. The simulated and observed BTs in the 6.8-μm channel demonstrate agreement with an averaged bias of <3 K, whereas the performances in two IR window channels are relatively poor with averaged BT differences almost 10 K. For typical precipitation regions, BT differences between the 6.8- and 10.8-μm channels indicate that the WRF simulation underestimates low- to midlevel clouds but reproduces high-level clouds better. Overall, the WRF has solid capabilities to capture the cloud characteristics broadly, whereas some limitations are shown in the cloud temporal and variation cloud cover, especially 3 days after the WRF initialization. ©2018. American Geophysical Union. All Rights Reserved.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/113893
Appears in Collections:气候减缓与适应

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作者单位: Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters, Nanjing University of Information Science and Technology, Nanjing, China; Key Laboratory for Aerosol-Cloud-Precipitation of China Meteorological Administration, School of Atmospheric Physics, Nanjing University of Information Science and Technology, Nanjing, China; HUAYUN ShineTek Co., China Meteorological Administration, Beijing, China; Key Laboratory of Radiometric Calibration and Validation for Environmental Satellites (LRCVES/CMA), National Satellite Meteorological Center (NSMC), China Meteorological Administration (CMA), Beijing, China; Numerical Weather Prediction Center, China Meteorological Administration, Beijing, China

Recommended Citation:
Yao B.,Liu C.,Yin Y.,et al. Radiance-Based Evaluation of WRF Cloud Properties Over East Asia: Direct Comparison With FY-2E Observations[J]. Journal of Geophysical Research: Atmospheres,2018-01-01,123(9)
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