Abstract
Irrigation schemes in the Nariarlé sub-watershed, Nankanbé basin in Burkina Faso are exposed to climatic risks. These risks are accentuated by the combination of several natural, biophysical and anthropogenic factors. The objective of this study is to assess the climate risks of developments in Burkina Faso. The absence of a previous study assessing the risks of the basin highlights the originality of this article. Documentary research and the processing of satellite images served as methodology. This methodology is supported by field surveys of 160 farmers, questionnaires and interview guides. The climatic analysis shows an evolution of minimum and maximum temperatures and a persistence of deficit years. The climate risks identified are: risks of vulnerability to climatic hazards (water stress, soil erodibility, flooding of irrigated areas, heatwaves), risks of exposure (demographic pressure, increase in the level of CO 2 content of developments, economic deficit). Climate risk assessment provides decision support tools, guidance, effective adaptation practices and techniques.
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