North American Grid-Based Sampling Frame: Alaska and Canada (West half) at a 1x1km resolution
收藏data.gov2026-01-17 收录
数据链接：
官方服务：
资源简介：
This sampling frame is a set of grid-based finite-area frames spanning Canada, the United States, and Mexico. The grid for the United States is broken into individual...
该抽样框（sampling frame）系一套覆盖加拿大、美国与墨西哥的基于网格的有限区域采样帧。美国区域的网格被划分为若干独立的……
