flood and drought management

2. INTRODUCTION
FLOOD : An over flow of a large amount of water
Beyond its normal limit.

3. CAUSES OF FLOODS :
1. HEAVY RAIN FALL
2. URBAN DRAINAGE BASINS
3. .OVERFLOWING RIVERS
4.INEADEQUATE CAPACITY
WITH IN THE BANKS

4. 6. STORM SURGES AND
TSUNAMIS
7.CHANNELS WITH STEEP
SIDE
9.LACK OF VEGITATION
10.MELTING SNOW AND ICE

5. EFFECTS OF FLOODING
• ECONOMIC
• ENVIRONMENT
• PEOPLE AND ANIMALS

6. MANAGEMENT OF FLOODS
1. INTRODUCE BETTER FLOOD WARNING
SYSTEM

7. 2.MODIFY HOMES BUSINESS
TO HELP THEM TO
WITHSTAND
3.FLOODS CONSTRUCT
BUILDINGS ABOVE FLOOR
LEVELS

8. 4. INCREASE SPENDING ON FLOOD
DEFENCE
5. PROTECT WET LANDS AND
INTRODUCE PLANT TREES
STRATEGICALLY
6.. RESTORE RIVERS TO THEIR
NATURAL COURSES
7.IMPROVE SOIL CONDITIONS

9. 8. INTRODUCE WATER STORAGE AREAS
PERMEABLE PAVEMENTS

10. DROUGHT;
a prolong period of abnormally low rainfall
,leading to shortage of water

11. CAUSES OF DROUGHTS
1.LACK OF RAINFALL
2.SURFACE WATER FLOW
3.HUMAN FACTORS
4.GLOBAL WARMING

12. EFFECTS OF DROUGHTS

13. MANAGEMENT OF DROUGHTS
•EDUCATION
•STOP POLLUTION
•WATER CONSERVATION AND STORAGE

14. •RAIN WATER CONSERVATION