封面说明 高分一号卫星中国科学院怀来遥感综合试验站及周边地表反照率产品影像

About the Cover——The land surface albedo map around the Huailai Remote Sensing Test Site derived from GF-1 satllite

封面为基于高分一号卫星2022年9月23日拍摄的8 m空间分辨率多光谱数据定量反演的地表反照率产品影像,展现了河北怀来遥感综合试验站及周边水体,湿地,农田,林地,道路,城镇等多种典型地物表面反照率特征。反照率表征了地表对太阳入射的反射能力,图中蓝绿色到黄红色的渐变刻画了水体—湿地—植被—裸地人工建筑等由低到高的反照率空间分布特征。怀来遥感综合试验站及周边建有国际先进的全谱段多角度辐散射特性观测平台和多尺度关键参量组网观测系统。2021年—2022年,在此处开展了高分遥感星机地综合试验。

The land surface albedo map is retrieved from the 8 m-spatial resolution multi-spectral image acquired by GF-1 satllite on September 23,2022,covering the typical landscapes albedo features of water,wetland,croplands,forest,roads and towns.Describing the land surface reflectance ability to the solar ilumination,the land covers'albedo varies from low to high as water-wetlands-vegetated covers-bared soil-artificial structures,with color changing from bule-green to yellow-red in the image.