Point data for four case studies related to testing of multi-order hydrologic position

The location of a point (or pixel) within the conterminous U.S. can be assigned based on its position relative to the Nation’s stream network. Two metrics are...美国本土（conterminous U.S.）范围内任意点（或像素）的地理位置，可依据其与该国水系网络（stream network）的相对位置予以确定。现有两项指标……