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See detailVers une meilleure gestion de l’eau agricole à partir des plateformes libres de télédétection et de communication au Burkina Faso
Pale, Sié ULiege

Doctoral thesis (2020)

Water is an important resource for agriculture in Sahelian region countries like Burkina Faso. Therefore, several agricultural development projects seek to address challenges related to water management ... [more ▼]

Water is an important resource for agriculture in Sahelian region countries like Burkina Faso. Therefore, several agricultural development projects seek to address challenges related to water management. To this day, uptake of available opportunities and solutions by local administrations remains limited, as exemplified by The Upper-Comoé river basin in southwest Burkina Faso. Without improved water management, there is limited possibility of increasing productivity in a region where agriculture remains the main economic engine. The research for thesis aimed to contribute to enhanced management of surface water for agriculture in the Upper-Comoé basin. Focusing on open source satellite remote sensing tools and communication platforms (instant open messaging apps), the study examined their potential for improving water management. Having ascertained that challenges in communication and information access, a WhatsApp based information system was tested in the river basin. The system was enhanced by a Google Earth Engine based vegetable irrigated plots evaluation method established along Comoé river, and a water delivered adequacy metric, that allowed us to compare water discharges delivered to different user groups with their water needs, thereby enabling an identifying of water wasters. The suite of methods and measures constitute a hydro-agricultural monitoring tool, which was provided to the Local Water Committee for purposes of improving equity and transparency in water management. The information system was developed based on findings from a baseline study of water users’ needs. Two others data collection and analysis activities carried out during the fieldwork. Areas of small irrigated vegetable holdings were estimated by way of a Classification and Regression Tree (CART) algorithm, a satellite images classifier. This method simultaneously combines Sentinel-1 and Sentinel-2 images and spectral indices (NDVI, NBR2, MNDWI) for classification. It is based on a Javascript script elaborated from Google Earth Engine platform. Before developing the research design, a reconnaissance survey was conducted to assess the potential for utilisation of the water management tools proposed by research to gain a basic understanding of the water management system and issues in the region. Results showed that the level of utilisation of the water management tools in question is low. It likewise suggested that the perfect institutionalisation of such tool may improve their utilisation by workers. It revealed that main challenges related to water management were, lack of accurate information that would enable users to plan allocation, low efficiency of water usage, expansion of planted areas despite productivity remaining low, and the gap between water demand and supply. Finally, we found that communication among stakeholders is a weak link in water management. While the Local Water Committee provided a vehicle for disseminating information about water resources, such information often did not go beyond it technical sub-committee charged with elaborating water allocation plans. This thesis demonstrated that open source tools could serve as a simple, low cost, user-friendly mechanism to address water challenges in Burkina Faso. It also suggested ways of bridging scientific knowledge with practical applications. [less ▲]

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See detailIntegrated Water Resources Management: past, present and future
Wellens, Joost ULiege; Derouane, Johan; Pale, Sié ULiege et al

in Geo-Eco-Trop (2019)

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See detailDiagnostic d’un système d’informations de gestion de l’eau à usage agricole dans le sous-bassin versant de la Haute-Comoé, Burkina Faso.
Pale, Sié ULiege; Traoré, Farid; Wellens, Joost ULiege et al

in GEO-ECO-TROP (2019), 43(3, n.s.)

L’agriculture irriguée, moteur économique du sous-bassin versant de la Haute-Comoé, est confrontée à de nombreux défis, à cause entre autres de la mauvaise gestion des ressources en eau de surface, qui se ... [more ▼]

L’agriculture irriguée, moteur économique du sous-bassin versant de la Haute-Comoé, est confrontée à de nombreux défis, à cause entre autres de la mauvaise gestion des ressources en eau de surface, qui se raréfient. L’insuffisance de communications entre les usagers a conduit parfois à des tensions perceptibles. Au regard de ce constat et face à un système national inopérant, les parties prenantes de la « Gestion Intégrée des Ressources en Eau », à travers le Comité Local de l’Eau (CLE), ont décidé de mettre en place un système de production et de partage d’informations. Une enquête qualitative réalisée pendant les campagnes sèches 2016 et 2017, a permis d’analyser le système, de repérer ses forces et faiblesses et de faire des propositions. Il ressort de cette analyse que le programme de lâchers d’eau à partir des trois principaux réservoirs contrôlant les eaux de surface, est au centre du système d’information du CLE et sa principale force réside dans la démarche de production de l’information. Le maillon « diffusion », reste cependant faible et il devrait être amélioré par des outils de communication de masse. [less ▲]

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See detailGestion de l'eau agricole de petites et moyennes retenues au Burkina Faso: cas de la retenue d'eau de Mogtedo
Traore, Farid ULiege; Pale, Sié ULiege; Guyon, Francis et al

Conference (2017, December 06)

Detailed reference viewed: 44 (6 ULiège)