Archive for May, 2010
Large-scale vegetation-rainfall correlations in Africa
Weather and climatic variability affect vegetation on continental scales. Intuitively, healthy vegetation is greener. A quantitative index of “greenness” called Normalised Difference Vegetation Index (NDVI) was developed by NASA.В The index takes values between 0 and 1. NDVI is related to the fraction of photosynthetically active radiation absorbed by the vegetation canopy. It is a [...]
May 12, 2010
Tags: Africa, Drought, NDVI Posted in: Climate, ecosystem model 
4 Comments
