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 - PowerPoint PPT Presentation

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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

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Title: 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


1
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

StudentsMary 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
(No Transcript)
4
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.

5
Example of a Field Map
6
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

7
Contour Data we were given
8
Interpolation Surface
9
How We Built the Maps
  • Secondly, we used the spatial analyst
    hydrology tool and the raster calculator to
    create the watershed, basins, and streams.

10
Streams
11
Basin
12
Watershed
13
How We Built the Maps
  • Thirdly, we georeferenced our aerial photo to
    our contoured data.

14
Georeferencing
15
Final Product
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