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Pre-Site Visit Preparation: the creation of field maps for the basin area using GIS

A Study of the Drainage as Based on an Evaluation of the Irrigated Land in the Flood Plain of the River Moustiques Etude de drainage en vu de la valorisation des terres irrigables dans la plaine de Moustiques. Pre-Site Visit Preparation: the creation of field maps for the basin area using GIS.

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Pre-Site Visit Preparation: the creation of field maps for the basin area using GIS

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  1. A Study of the Drainage as Based on an Evaluation of the Irrigated Land in the Flood Plain of the River MoustiquesEtude de drainage en vu de la valorisation des terres irrigables dans la plaine de Moustiques Pre-Site Visit Preparation: the creation of field maps for the basin area using GIS Students:Mary Strazer Magnea Ingolfsdottir Project partners: Herrera Environmental Consultants Inc.

  2. The Project • Roughly 35,000 people of Northern, Haiti living and working in the vicinity of Les Moustiques river, are seasonally inundated by flood waters. • Engineers from Herrera Consultants Inc. are planning a site visit to the area to assess the situation and create design alternatives. • Before they go, they need a set of field maps of the basin area.

  3. Objectives It was our task to create GIS maps of the basin and watershed surrounding Les Moustiques in Haiti. In order to complete this task we needed to delineate the Riviere Moustiques drainage basin (watersheds, sub-basins, and streams), and develop georeferenced GIS maps of la plain de Moustiques.

  4. Example of a Field Map

  5. How We Built the Maps First, we converted the point data of the contours into a surface using the spatial analyst interpolate to raster tool

  6. Contour Data we were given

  7. Interpolation Surface

  8. How We Built the Maps Secondly, we used the spatial analyst hydrology tool and the raster calculator to create the watershed, basins, and streams.

  9. Streams

  10. Basin

  11. Watershed

  12. How We Built the Maps Thirdly, we georeferenced our aerial photo to our contoured data.

  13. Georeferencing

  14. Final Product

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