globalchange  > 气候变化事实与影响
DOI: 10.1175/JCLI-D-15-0637.1
Scopus记录号: 2-s2.0-84962323811
论文题名:
Comparison between total cloud cover in four reanalysis products and cloud measured by visual observations at U.S. weather stations
作者: Free M.; Sun B.; Yoo H.L.
刊名: Journal of Climate
ISSN: 8948755
出版年: 2016
卷: 29, 期:6
起始页码: 2015
结束页码: 2021
语种: 英语
Scopus关键词: NASA ; Cloud cover ; Geographic location ; North America ; Reanalysis ; Surface observation ; Weather information services ; algorithm ; annual variation ; cloud cover ; cloud microphysics ; comparative study ; computer simulation ; numerical model ; North America ; United States
英文摘要: A homogeneity-adjusted dataset of total cloud cover from weather stations in the contiguous United States is compared with cloud cover in four state-of-the-art global reanalysis products: The Climate Forecast System Reanalysis from NCEP, the Modern-Era Retrospective Analysis for Research and Applications from NASA, ERA-Interim from ECMWF, and the Japanese 55-year Reanalysis Project from the Japan Meteorological Agency. The reanalysis products examined in this study generally show much lower cloud amount than visual weather station data, and this underestimation appears to be generally consistent with their overestimation of downward surface shortwave fluxes when compared with surface radiation data from the Surface Radiation Network. Nevertheless, the reanalysis products largely succeed in simulating the main aspects of interannual variability of cloudiness for large-scale means, as measured by correlations of 0.81-0.90 for U.S. mean time series. Trends in the reanalysis datasets for the U.S. mean for 1979-2009, ranging from -0.38% to -1.8% decade-1, are in the same direction as the trend in surface data (-0.50% decade-1), but further effort is needed to understand the discrepancies in their magnitudes. © 2016 American Meteorological Society.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/50016
Appears in Collections:气候变化事实与影响

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作者单位: NOAA/Air Resources Laboratory, College Park, MD, United States; I. M. Systems Group, NOAA Center for Satellite Application and Research, College Park, MD, United States; Earth System Science Interdisciplinary Center, University of Maryland, College Park, College Park, MD, United States

Recommended Citation:
Free M.,Sun B.,Yoo H.L.. Comparison between total cloud cover in four reanalysis products and cloud measured by visual observations at U.S. weather stations[J]. Journal of Climate,2016-01-01,29(6)
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