Google Earth Engine——HydroSHEDS是基于2000年NASA的航天飞机雷达地形任务(SRTM)获得的高程数据
HydroSHEDSisamappingproductthatprovideshydrographicinformationforregionalandglobal-scaleapplicationsinaconsistentformat.Itoffersasuiteofgeo-referenceddatasets(vectorandraster)atvariousscales,including