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College of Engineering Civil Engineering Dep. · King Fahd University for Petroleum and Mineral May...

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King Fahd University for Petroleum and Mineral May 2013 Supervisor College of Engineering Civil Engineering Dep. GIS Applications in Assessment of Flood Hazard Dr. Baqer Al-Ramadan Presented by Ahmed Alareeq
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Page 1: College of Engineering Civil Engineering Dep. · King Fahd University for Petroleum and Mineral May 2013 Supervisor College of Engineering Civil Engineering Dep. GIS Applications

King Fahd University for

Petroleum and Mineral

May 2013

Supervisor

College of Engineering

Civil Engineering Dep.

GIS Applications in Assessment of Flood Hazard

Dr. Baqer Al-Ramadan

Presented by

Ahmed Alareeq

Page 2: College of Engineering Civil Engineering Dep. · King Fahd University for Petroleum and Mineral May 2013 Supervisor College of Engineering Civil Engineering Dep. GIS Applications

Introduction

Objective

Assessment of Flood Hazard of Jeddah

Assessment of Flood Hazard of Northern

region of Ghana

Results and Discussion

Conclusion

2

Page 3: College of Engineering Civil Engineering Dep. · King Fahd University for Petroleum and Mineral May 2013 Supervisor College of Engineering Civil Engineering Dep. GIS Applications

Flood hazards is a massive challenge

Page 4: College of Engineering Civil Engineering Dep. · King Fahd University for Petroleum and Mineral May 2013 Supervisor College of Engineering Civil Engineering Dep. GIS Applications

How to

Forecast

assess

manage the flood hazard

Page 5: College of Engineering Civil Engineering Dep. · King Fahd University for Petroleum and Mineral May 2013 Supervisor College of Engineering Civil Engineering Dep. GIS Applications

GIS technology

Forecast

assess

manage the flood hazard

Page 6: College of Engineering Civil Engineering Dep. · King Fahd University for Petroleum and Mineral May 2013 Supervisor College of Engineering Civil Engineering Dep. GIS Applications

Evaluate the hazard of flood

Identify the zones subjected to flood.

looking for better solutions

Page 7: College of Engineering Civil Engineering Dep. · King Fahd University for Petroleum and Mineral May 2013 Supervisor College of Engineering Civil Engineering Dep. GIS Applications

Study area

Page 8: College of Engineering Civil Engineering Dep. · King Fahd University for Petroleum and Mineral May 2013 Supervisor College of Engineering Civil Engineering Dep. GIS Applications

Natural Causes

Heavy rain

Topography

manmade Causes

Lack of hydraulic structures

A lack of disaster warning devices

Corruption

Page 9: College of Engineering Civil Engineering Dep. · King Fahd University for Petroleum and Mineral May 2013 Supervisor College of Engineering Civil Engineering Dep. GIS Applications

Effects on human life

People and livestock die

Disease

Economic costs

Infrastructure damage

Rebuilding costs

Page 10: College of Engineering Civil Engineering Dep. · King Fahd University for Petroleum and Mineral May 2013 Supervisor College of Engineering Civil Engineering Dep. GIS Applications

Delineation of Drainage System

Page 11: College of Engineering Civil Engineering Dep. · King Fahd University for Petroleum and Mineral May 2013 Supervisor College of Engineering Civil Engineering Dep. GIS Applications

Images Processing IKONOS satellite

ENVI 4.3 and ERDAS

GIS Application Arc GIS 9.3.

Page 12: College of Engineering Civil Engineering Dep. · King Fahd University for Petroleum and Mineral May 2013 Supervisor College of Engineering Civil Engineering Dep. GIS Applications

24 basins

688km2

Page 13: College of Engineering Civil Engineering Dep. · King Fahd University for Petroleum and Mineral May 2013 Supervisor College of Engineering Civil Engineering Dep. GIS Applications

huge rocky basin

Page 14: College of Engineering Civil Engineering Dep. · King Fahd University for Petroleum and Mineral May 2013 Supervisor College of Engineering Civil Engineering Dep. GIS Applications

Flooded zones

flood hazard map

Page 15: College of Engineering Civil Engineering Dep. · King Fahd University for Petroleum and Mineral May 2013 Supervisor College of Engineering Civil Engineering Dep. GIS Applications
Page 16: College of Engineering Civil Engineering Dep. · King Fahd University for Petroleum and Mineral May 2013 Supervisor College of Engineering Civil Engineering Dep. GIS Applications

Located in the northern part of Ghana

The largest area in Ghana of 5810 km2.

(Northern region of Ghana)

Case study (2)

Page 17: College of Engineering Civil Engineering Dep. · King Fahd University for Petroleum and Mineral May 2013 Supervisor College of Engineering Civil Engineering Dep. GIS Applications

The data used

Topographic map

(b)

Level 1b ASTER

imagery (c)

Contour lines

Water bodies

Population census data

Page 18: College of Engineering Civil Engineering Dep. · King Fahd University for Petroleum and Mineral May 2013 Supervisor College of Engineering Civil Engineering Dep. GIS Applications

The data used

The highest

elevation for

13 districts

Page 19: College of Engineering Civil Engineering Dep. · King Fahd University for Petroleum and Mineral May 2013 Supervisor College of Engineering Civil Engineering Dep. GIS Applications

District distances from the White Volta River were

determined as:

Midpoints

point feature

Page 20: College of Engineering Civil Engineering Dep. · King Fahd University for Petroleum and Mineral May 2013 Supervisor College of Engineering Civil Engineering Dep. GIS Applications

Flood Hazard Map

Page 21: College of Engineering Civil Engineering Dep. · King Fahd University for Petroleum and Mineral May 2013 Supervisor College of Engineering Civil Engineering Dep. GIS Applications

GIS is an important non-structural flood

management technique.

flood is a natural phenomenon, we can’t completely

stop it; we can minimize its bad effects by better

planning.

Page 22: College of Engineering Civil Engineering Dep. · King Fahd University for Petroleum and Mineral May 2013 Supervisor College of Engineering Civil Engineering Dep. GIS Applications

GIS technology is a powerful application

Early warning system

Awareness programs

A national anti-corruption organization

Suitable hydraulic structures

Page 23: College of Engineering Civil Engineering Dep. · King Fahd University for Petroleum and Mineral May 2013 Supervisor College of Engineering Civil Engineering Dep. GIS Applications

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