Transcript HYDROLOGY OF THE INDUS BASIN, PAKISTAN GIS TERM PROJECT BY

HYDROLOGY OF THE
INDUS BASIN, PAKISTAN
GIS TERM PROJECT
BY
ELIZABETH OJEH
30TH NOVEMBER, 2006
OUTLINE
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Introduction
Data sources and data collection
Procedure
Analysis / future work
Introduction
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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
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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
Average Monthly Rainfall (mm)
300
250
Rainfall (mm)
Karachi
Karachi Manora
200
Islamabad
Lahore City
150
Peshawar
Quetta
100
Sukkur
Amritsar
50
0
Jan
Feb Mar
Apr May Jun
Jul
Aug Sep
Oct
Nov Dec
Month
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Maps from: AN ASSESMENT OF WATER RESOURCES AVAILABLE FOR IRRIGATION IN THE INDUS BASIN AND SOME RELATED ISSUES files
Temperature
Temperature (oC)
40
35
Karachi
30
20
Karachi
Manora
Islamabad
(Katarian)
Rawalpindi
15
Lahore City
10
Peshawar
(oC)
25
Quetta
5
Sukkur
0
Jan Feb Mar Apr May Jun
Jul
Aug Sep Oct Nov Dec
Amritsar
Month
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Map courtesy: maps.wunderground.com
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