Remote Sens. 2014, 6, 9340-9358; doi:10.3390/rs6109340 OPEN ACCESS remote sensing ISSN 2072-4292 www.mdpi.com/journal/remotesensing Article Water Level Fluctuations in the Congo Basin Derived from ENVISAT Satellite Altimetry Mélanie Becker 1,*, Joecila Santos da Silva 2, Stéphane Calmant 3, Vivien Robinet 1, Laurent Linguet 1 and Frédérique Seyler 4 1 UAG/ESPACE-DEV, Route de Montabo, Cayenne 97300, French Guiana; E-Mails:
[email protected] (V.R.);
[email protected] (L.L.) 2 UEA/CESTU, Av. Djalma Batista 3578, Manaus 69058-807, Brazil; E-Mail:
[email protected] 3 IRD/LEGOS, 14 Av. Edouard Belin, Toulouse 31400, France; E-Mail:
[email protected] 4 IRD/ESPACE-DEV, Route de Montabo, Cayenne 97300, French Guiana; E-Mail:
[email protected] * Author to whom correspondence should be addressed; E-Mail:
[email protected]; Tel.: +594-(0)-594-299-277; Fax: +594-(0)-594-319-855. External Editors: Benjamin Koetz, Zoltan Vekerdy, Massimo Menenti, Diego Fernández-Prieto, Richard Gloaguen, Prasad S. Thenkabail Received: 16 May 2014; in revised form: 4 September 2014 / Accepted: 10 September 2014 / Published: 29 September 2014 Abstract: In the Congo Basin, the elevated vulnerability of food security and the water supply implies that sustainable development strategies must incorporate the effects of climate change on hydrological regimes. However, the lack of observational hydro-climatic data over the past decades strongly limits the number of studies investigating the effects of climate change in the Congo Basin. We present the largest altimetry-based dataset of water levels ever constituted over the entire Congo Basin.