Nuevas Geografías
Find tag "biogeography"
5.0K views | +2 today
Nuevas Geografías
Nuevos paradigmas en GeografĂ­a
Your new post is loading...
Rescooped by José Moraga Campos from Geography Education!

Mount St. Helens: Volcanic Eruption and Recovery

Mount St. Helens: Volcanic Eruption and Recovery | Nuevas Geografías |
The 1980 Mount St. Helens eruption was one of the most significant natural disasters in the U.S. in the past half-century. Landsat captured the extent of, and recovery from, the destruction.


The accompanying satellite images (also compiled in a video to show the temporal changes) demonstrate one way that remote sensing images can help us better understand the spatial patterns in the biosphere. 

Via Seth Dixon
No comment yet.
Rescooped by José Moraga Campos from GIS in Education!

NASA Earth Observatory - Vegetation Index

The NDVI (Normalized Digital Vegetation Index) is on of the primary methods for detecting healthy vegetation using satellite imagery.  This also serves as a useful way to distinguish between distinct ecological and agricultural regions and the temporal patterns of planting seasons.  


This video was found on a site titled "Explorations in agricultural research" with many great links

Via Seth Dixon, Michelle Kinzel
No comment yet.