Wrangell St. Elias National Park and Preserve detailed vegetation

The land cover grid data set is based on a supervised multi-spectral image analysis of Landsat TM5 and TM7 data, supported by field data, modeling, review of aerial...本土地覆盖栅格数据集基于对陆地卫星（Landsat）TM5与TM7影像数据的监督式多光谱图像分析，并辅以野外实测数据、建模工作以及航空影像复核（原文后续内容未完整呈现）。