Water for Senegal

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Water for Senegal

• GIS in Water Resources
• Fall 2002 -Term Project
• Pam Kearfott

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Project Objectives

• Develop a better understanding of water issues in
  Senegal
• Create basemaps to display and analyze trends and
  their implications
• Construct water balance
• Possible Peace Corps training materials and/or
  field tools

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Senegal West Africa
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Senegal Bordering Countries
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A Brief Country Background

• Former French colony, size of South Dakota
• Largely agrarian society, with densely populated,
  industrialized urban areas
• Dependence on agriculture and pisciculture
• Increasing desertification and deforestation
• Water scarcity is common

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Major Features
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Rivers, Streams, and Drainage Network
RIVERS Senegal Saloum Gambia Casamance
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Data Sources

• AQUASTAT United Nations Food Agriculture
  Organization
• PASDA Penn State Universitys Digital Chart of
  the World
• CRWRs Digital Atlas of the World Water Balance
• Geography Network

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Methods

• Data collection
• Separation of country data from continental data
• Layer displays
• Merging of data projection systems

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Mean Annual Precipitation
Precip (mm)
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Mean Annual Temperature
Temp (C)
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AugustTemperature and Precipitation Gradients
Temp
Precip
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Difficulties Encountered

• Lack of data for developing countries
• Anomalies with data sets
• Data is only from one year difficult to compare
  and analyze trends
• Only 1 runoff measurement in country
• Incompatibility of projections
• Still to come complete water balance

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Water Balance (work in progress)