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Ana M. B. Nunes and John O. Roads

.0.CO;2 Chou, M. D. , and Suarez M. J. , 1994 : An efficient thermal infrared radiation parameterization for use in general circulation models. Tech. Rep. Series on Global Modeling and Data Assimilation, Vol. 3, NASA Tech. Memo. 104606, 85 pp . Chou, M. D. , and Lee K-T. , 1996 : Parameterizations for the absorption of solar radiation by water vapor and ozone. J. Atmos. Sci. , 53 , 1203 – 1208 . 10.1175/1520-0469(1996)053<1203:PFTAOS>2.0.CO;2 Daly, C. , Neilson R. P. , and Phillips

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Richard G. Lawford, John Roads, Dennis P. Lettenmaier, and Phillip Arkin

1. Introduction The Global Energy and Water Cycle Experiment (GEWEX) was initiated in 1988 as a core project of the World Climate Research Program (WCRP). The early vision of the GEWEX program anticipated at least two phases that could build upon the initial activities related to clouds and radiation. The first phase (1988–2002) was directed toward producing tools to analyze satellite data. The second phase (2003–12) focuses on the application of these tools to climate research. Figure 1

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Guoxiong Wu, Yimin Liu, Qiong Zhang, Anmin Duan, Tongmei Wang, Rijin Wan, Xin Liu, Weiping Li, Zaizhi Wang, and Xiaoyun Liang

1. Introduction The Tibetan Plateau (TP; also Qinghai-Xizang Plateau in China) extends over the area of 27°–45°N, 70°–105°E, covering a region about a quarter of the size of the Chinese territory. Its mean elevation is more than 4000 m above sea level with the 8844-m (near 300 hPa) peak of Mount Everest standing on its southern fringe. The mean TP altitude lies above 40% of the atmosphere. Because of the lower air pressure, various radiation processes over the plateau, particularly in the

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Scott Curtis, Ahmed Salahuddin, Robert F. Adler, George J. Huffman, Guojun Gu, and Yang Hong

, land, and all 2.5° grid blocks. The global analysis is somewhat restricted in terms of latitude extent, due to incomplete data records in the polar zones. The final FC p0.38 values were produced by normalizing the 12 time series over two different periods to address the inhomogeneity in the spatial variability of the GPCP record ( Adler et al. 2003a ). For the period January 1979 to June 1987 plus December 1987 the multisatellite GPCP product is determined by the outgoing longwave radiation (OLR

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