三江源0.1度分辨率气象数据(1979-2016)
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该数据集是从中国科学院青藏高原研究所开发的一套中国区域近地面气象与环境要素再分析数据集中提取得到。该数据集是以国际上现有的 Princeton 再分析资料、GLDAS 资料、GEWEX-SRB 辐射资料,以及 TRMM 降水资料为背景场,融合了中国气象局常规气象观测数据制作而成。其时间分辨率为 3 小时,水平空间分辨率 0.1°,包含近地面气温、近地面气压、近地面空气比湿、近地面全风速、地面向下短波辐射、地面向下长波辐射、地面降水率,共 7 个要素(变量)。 各变量的物理意义: 气象要素 变量名 单位 物理意义 近地面气温 temp K 瞬时近地面(2m)气温 地表气压 pres Pa 瞬时地表气压 近地面空气比湿 shum kg/ kg 瞬时近地面空气比湿 近地面全风速 wind m /s 瞬时近地面(风速仪高度)全风速 向下短波辐射 srad W /平方米 3 小时平均 (-1.5hr ~ +1.5hr) 向下短波辐射 向下长波辐射 lrad W /平方米 3 小时平均 (-1.5hr ~ +1.5hr) 向下长波辐射。 降水率 prec mm/hr 3 小时平均 (-3.0hr ~ 0.0hr) 降水率。 更多信息,请参见随数据一同发布的《User’s Guide for China Meteorological Forcing Dataset》。
The China Meteorological Forcing Data (CMFD, hereafter) is a high-precision, high-resolution, long-time-series dataset developed to support research in land surface, hydrological, ecological and other related fields over China. The CMFD 1.6 released on this page contains 7 meteorological elements, including near-surface air temperature, air pressure, specific humidity, total wind speed, downward shortwave radiation flux, downward longwave radiation flux, and precipitation rate. The data is stored in NetCDF format, with a temporal resolution of 3 hours, a horizontal spatial resolution of 0.1°, a time span of 40 years (1979–2018), and covers all terrestrial areas of China. The CMFD 1.6 dataset was developed by fusing routine meteorological observation data from the China Meteorological Administration, with international existing datasets including GLDAS, GEWEX-SRB radiation data, and TRMM precipitation data as background fields. Its data accuracy is superior to that of mainstream international land surface model driving datasets. Currently, CMFD 1.6 has ceased updates, while its next-generation product, CMFD 2.0, has been released on the National Tibetan Plateau Scientific Data Center (https://data.tpdc.ac.cn/zh-hans/data/e60dfd96-5fd8-493f-beae-e8e5d24dece4). This new version has made numerous improvements based on CMFD 1.6, and users are welcome to download and use it, as well as provide valuable comments and suggestions.




