HYDROLOGY OF THE INDUS BASIN, PAKISTAN GIS TERM PROJECT BY ELIZABETH OJEH 30 TH NOVEMBER, 2006
OUTLINE Introduction Data sources and data collection Procedure Analysis / future work
Introduction A Trans-boundary River A water stressed region Indus and 6 Major tributaries 2 major storage reservoirs (>10%) 15 barrages to divert water for irrigation Groundwater over exploited
Pictures courtesy: Google Earth
Appreciation of the Indus River 12 th Largest river in the world Drainage Basin 9.7 x 10 5 Km 2 Deltaic Area (2 x 10 4 Km 2 ) 7th in the world Annual water runoff of 2 x m 3 (10 th ) Annual sediment discharge 2 x Kg/yr (6 th )
Climate - Rainfall Maps from: AN ASSESMENT OF WATER RESOURCES AVAILABLE FOR IRRIGATION IN THE INDUS BASIN AND SOME RELATED ISSUES files
Temperature Map courtesy: maps.wunderground.com
Data sources Shuttle Radar Topography Mission (SRTM) GTOPO arc-second cell (1:1,000,000 scale) global DEM Hydro1K – hydrologic derivative datasets from GTOPO30 Global Water and Energy Experiment (GEWEX) Climate National Climate Data Center NCDC Climate Data Online
Procedure
Flow accumulation
Stream Link
Drainage Lines
Drainage Lines Converted to Features
New Drainage Lines
Problem still
Fragmented Basin
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