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Climate 2015, 3(1), 63-77; doi:10.3390/cli3010063

Land Use/Cover Response to Rainfall Variability: A Comparing Analysis between NDVI and EVI in the Southwest of Burkina Faso

1
Department of Civil Engineering, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
2
Remote Sensing Unit at the Institute of Geography, University of Wuerzburg, Am Hubland, 97074 Wuerzburg, Germany
3
Department of Physics, Kwame Nkrumah University of Science and Technology, Kumasi, Ghana
4
Department of Geography, University of Ouagadougou, 03 B.P. 7021 Ouagadougou, Burkina Faso
*
Author to whom correspondence should be addressed.
Academic Editor: Tarendra Lakhankar
Received: 8 October 2014 / Accepted: 15 December 2014 / Published: 24 December 2014
(This article belongs to the Special Issue Ecological Impacts of Climate Change)
View Full-Text   |   Download PDF [856 KB, uploaded 24 December 2014]   |  

Abstract

A comparative analysis of the sensitivity of NDVI and EVI to rainfall indicators has been carried out for different land use/covers in the Southwest of Burkina Faso. Three classified land use/covers maps for 1999, 2006 and 2011 were produced and change detection was applied to locate persistent areas. Thereafter monthly vegetation indices of plots of 750 × 750 m2 were extracted from 2001 to 2011 for persistent woodland, mixed vegetation, and agricultural area within 5 km radius around four rain gauges. Furthermore, correlation analysis to measure the relationship between vegetation indices and rainfall indicators was performed. The results indicate some similarities between NDVI and EVI. Both indices, for all land use/covers, showed significant and strong positive correlation with the rainfall indicators. In general, NDVI was more sensitive to rainfall than EVI in the study area, but the difference between the Pearson’s coefficient values of both vegetation indices was insignificant. The findings of this work agree with some previous studies, but contrasting conclusions were also noted in literature. Hence wider spatial investigation will be necessary to confirm the results of this paper. View Full-Text
Keywords: land use/cover; EVI; NDVI; rainfall indicators; Burkina Faso; West Africa land use/cover; EVI; NDVI; rainfall indicators; Burkina Faso; West Africa
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Zoungrana, B.J.-B.; Conrad, C.; Amekudzi, L.K.; Thiel, M.; Da, E.D. Land Use/Cover Response to Rainfall Variability: A Comparing Analysis between NDVI and EVI in the Southwest of Burkina Faso. Climate 2015, 3, 63-77.

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