Pixel walking along the boreal forest–Arctic tundra ecotone: Large scale ground‐truthing of satellite‐derived greenness (NDVI)
Russell E. Wong,
Logan T. Berner,
Patrick F. Sullivan
et al.
Abstract:In this Technical Advance, we describe a novel method to improve ecological interpretation of remotely sensed vegetation greenness measurements that involved sampling 24,395 Landsat pixels (30 m) across 639 km of Alaska's central Brooks Range. The method goes well beyond the spatial scale of traditional plot‐based sampling and thereby more thoroughly relates ground‐based observations to satellite measurements. Our example dataset illustrates that, along the boreal‐Arctic boundary, vegetation with the greatest … Show more
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