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