BigFoot Leaf Area Index Surfaces for North and South American Sites, 2000-2003

The BigFoot project gathered leaf area index (LAI) data for nine EOS Land Validation Sites located from Alaska to Brazil from 2000 to 2003. Each site is representative of one or two distinct biomes, including the Arctic tundra; boreal evergreen needleleaf forest; temperate cropland, grassland, evergreen needleleaf forest, and deciduous broadleaf forest; desert grassland and shrubland; and tropical evergreen broadleaf forest. LAI was measured at plots within each site for at least two years using standard direct and optical methods at each site. BigFoot was funded by NASA's Terrestrial Ecology Program.

BigFoot项目自2000年至2003年间，对位于阿拉斯加至巴西之间的九个EOS陆地验证站点进行了叶面积指数（LAI）数据的收集。每个站点均代表一个或两个独特的生物群落，包括北极苔原；北方针叶常绿林；温带农田、草地、常绿针叶林和落叶阔叶林；沙漠草地和灌木丛；以及热带常绿阔叶林。在每个站点内，通过使用标准直接和光学方法，对至少两年的样地进行了LAI的测量。BigFoot项目由美国国家航空航天局的地表生态学计划资助。