forests

North American Forest Dynamics (NAFD) attribution type layer illustrating the type of change event where all events from 1986-2010 were combined. Source: Schleeweis et al. (2020) https://doi.org/10.3334/ORNLDAAC/1799

Forested land in the western conterminous United States classified by priority for preservation to mitigate climate change, based on the spatial co-occurrence of vulnerability to drought and fire and potential carbon sequestration. Source: Buotte et al. 2020

A white spruce tree is instrumented with a hemispherical and field-stop photochemical reflectance index (PRI) sensor and point dendrometer at a northern treeline site along the Dalton Highway, Brooks Range, Alaska. Source: Eitel et al., 2020

The locations of the 176 lidar collection areas (light green polygons) acquired between 2002 and 2016. 

Concurrent woody and herbaceous vegetation changes between the 1982-1991 and 2004-2013 decades of the Sudano-Sahel region of Africa. (A) Map of vegetation change categories. (B) Chart showing the conceptual position and the relative abundance of each category in a 2-D space.

Bounding boxes for LiDAR tiles from surveys over western Para, Brazil, are depicted in Google Earth from the KMZ companion file. Each feature in the KMZ provides key metadata about the corresponding tile.

Aboveground biomass (AGB) density maps of Kalimantan forests. (A) AGB density, and (B) mean density AGB aggregated by land cover class. From Ferraz et al., 2018.

Researchers collecting field data in Mondah Forest, Gabon, for the AfriSAR project. Photo credit: Carla Thomas, NASA, 2016