Environment – Page 2 – The Map Room

Herbal Earth

Published on 19 June 20134 November 2017 by Jonathan Crowe

Today NASA released a set of vegetation maps based on data from the Suomi NPP satellite. Flickr photoset, YouTube video. The maps depict a year’s worth of changes in vegetation. “High values of Normalized Difference Vegetation Index, or NDVI, represent dense green functioning vegetation and low NDVI values represent sparse green vegetation or vegetation under stress from limiting conditions, such as drought.” Image credit: NASA/NOAA.

Map of All American Rivers

Published on 14 June 20134 November 2017 by Jonathan Crowe

Nelson Minar has created a vector tile map of all the rivers in the United States. It’s an amazing map, one that is being compared with Ben Fry’s All Streets (previously) or this more recent map of U.S. roads. Only it’s rivers-only, not roads-only. Via io9 and Kottke.