中国全天候0.01°土壤湿度产品（2017年）

本数据集名称为：中国全天候0.01&#176土壤湿度产品（2017年）。具体的内容是反演的逐像元每天MODIS卫星过境（11:00左右）的陆地表面土壤体积含水量，单位为m3/m3，空间分辨率为0.01&#176。生产本产品数据集所需的数据源主要是MODIS陆表产品（地表温度MOD11A1，归一化植被指数MOD13A2，反射率产品MOD09GA,叶面积指数产品MOD15A2）和中国气象局陆面同化系统CLDAS大气强迫数据集产品（比湿，气温，风速，短波辐射）。本数据集包含的地理空间范围是全国主要陆地（包含港澳台地区），不含南海岛礁等区域。

This dataset is named China's All-weather 0.01° Soil Moisture Product (2017). Specifically, it encompasses retrieved per-pixel daily land surface volumetric soil moisture data acquired during MODIS satellite overpasses (approximately 11:00 local time), with a unit of m³/m³ and a spatial resolution of 0.01°. The primary data sources for producing this dataset include MODIS land surface products (Land Surface Temperature MOD11A1, Normalized Difference Vegetation Index MOD13A2, Reflectance Product MOD09GA, and Leaf Area Index Product MOD15A2) as well as atmospheric forcing dataset products from the China Meteorological Administration Land Data Assimilation System (CLDAS), namely specific humidity, air temperature, wind speed, and shortwave radiation. The geographical scope of this dataset covers the main land areas of China (including Hong Kong, Macao and Taiwan regions), excluding regions such as the South China Sea reefs and islets.

搜集汇总

背景与挑战

背景概述

中国2017年全天候0.01°土壤湿度数据集，基于MODIS和气象数据反演，覆盖全国主要陆地，精度可靠（均方根误差0.06m³/m³），适用于农业、水文等领域研究。