Earth  ID: 3707

Five Spheres - Land Changes through NDVI

Satellite data can be used to monitor the health of plant life from space. The Normalized Difference Vegetation Index (NDVI) provides a simple numerical indicator of the health of vegetation which can be used to monitoring changes in vegetation over time. This animation shows the seasonal changes in vegetation by fading between average monthly NDVI data from 2004. This animation of land changes is match framed to animation id a003708, a003709, a003710, and a003711.

Visualization Credits

Lori Perkins (NASA/GSFC): Lead Animator
Ivy Flores (IRC/UMBC): Video Editor
Jennifer A. Shoemaker (UMBC): Producer
Please give credit for this item to:
NASA/Goddard Space Flight Center Scientific Visualization Studio

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Data Used:
Terra/MODIS/NDVI 2004
Hipparcos/Telescope/Tycho 2 Catalogue
Note: While we identify the data sets used in these visualizations, we do not store any further details nor the data sets themselves on our site.

This item is part of this series:
Know Your Earth

DLESE >> Physical geography
GCMD >> Earth Science >> Biosphere >> Ecological Dynamics >> Photosynthesis
GCMD >> Earth Science >> Land Surface >> Land Use/Land Cover >> Land Cover
SVS >> For Educators
SVS >> Terrestrial Food
SVS >> Seasons >> Vegetation
SVS >> Growing Season
NASA Science >> Earth

GCMD keywords can be found on the Internet with the following citation: Olsen, L.M., G. Major, K. Shein, J. Scialdone, S. Ritz, T. Stevens, M. Morahan, A. Aleman, R. Vogel, S. Leicester, H. Weir, M. Meaux, S. Grebas, C.Solomon, M. Holland, T. Northcutt, R. A. Restrepo, R. Bilodeau, 2013. NASA/Global Change Master Directory (GCMD) Earth Science Keywords. Version