HYDROLOGY OF THE INDUS BASIN, PAKISTAN GIS TERM PROJECT BY ELIZABETH OJEH 30 TH NOVEMBER, 2006.
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Transcript of HYDROLOGY OF THE INDUS BASIN, PAKISTAN GIS TERM PROJECT BY ELIZABETH OJEH 30 TH NOVEMBER, 2006.
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HYDROLOGY OF THE INDUS BASIN, PAKISTAN
GIS TERM PROJECT BY
ELIZABETH OJEH30TH NOVEMBER, 2006
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OUTLINE
• Introduction
• Data sources and data collection
• Procedure
• Analysis / future work
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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
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Pictures courtesy: Google Earth
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Appreciation of the Indus River
• 12th Largest river in the world
• Drainage Basin 9.7 x 105 Km2
• Deltaic Area (2 x 104 Km2) 7th in the world
• Annual water runoff of 2 x 1011 m3 (10th)
• Annual sediment discharge 2 x 1011 Kg/yr (6th)
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Climate - Rainfall
• Maps from: AN ASSESMENT OF WATER RESOURCES AVAILABLE FOR IRRIGATION IN THE INDUS BASIN AND SOME RELATED ISSUES files
Average Monthly Rainfall (mm)
0
50
100
150
200
250
300
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Month
Ra
infa
ll (
mm
)
Karachi
Karachi Manora
Islamabad
Lahore City
Peshawar
Quetta
Sukkur
Amritsar
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Temperature
• Map courtesy: maps.wunderground.com
Temperature (oC)
0
5
10
15
20
25
30
35
40
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Month
(oC
)
Karachi
KarachiManoraIslamabad(Katarian)Rawalpindi
Lahore City
Peshawar
Quetta
Sukkur
Amritsar
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Data sources
• Shuttle Radar Topography Mission (SRTM) http://srtm.usgs.gov/• GTOPO30 - 30 arc-second cell (1:1,000,000 scale) global DEM • Hydro1K – hydrologic derivative datasets from GTOPO30 • Global Water and Energy Experiment (GEWEX)
http://www.gewex.org/• Climate• National Climate Data Center http://www.ncdc.noaa.gov/• NCDC Climate Data Online http://cdo.ncdc.noaa.gov
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Procedure
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Flow accumulation
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Stream Link
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Drainage Lines
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Drainage Lines Converted to Features
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New Drainage Lines
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Problem still
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Fragmented Basin
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This is Where I am now!
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HELP
QUESTIONS