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.
HYDROLOGY OF THE INDUS BASIN, PAKISTAN
GIS TERM PROJECT BY
ELIZABETH OJEH30TH 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
• 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)
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
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
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
Procedure
Flow accumulation
Stream Link
Drainage Lines
Drainage Lines Converted to Features
New Drainage Lines
Problem still
Fragmented Basin
This is Where I am now!
HELP
QUESTIONS