Drought ppt

a drought is a damage of a ground caused by dry weather...

1. A Natural Disaster “Drought” By:- Tanaya Sachdev Std:- 9 th Div:- A Roll No.:- 30

2. Contents:- Definition of Drought Causes of Drought Mitigation Effects of Drought Case Study Prevention Conclusion

3. Definition of Drought A drought is a damage of a ground usually caused by dry weather.

4. Causes of Drought Droughts occur when there is no rainfall from a long period of time. It usually happens in summer, because in summer weather gets hot and ground evaporate water. So, ground need more water but it can’t get water so drought occurs.

5. Mitigation Mitigation means the action of reducing the severity, seriousness or painful of something Agriculturally, people can effectively mitigate much of the impact of drought through irrigation and crop rotation. Failure to develop adequate drought mitigation strategies carries a grave human cost in the modern era, aggravate by ever-increasing population densities .

6. Effects of drought Economic E nvironmental Social Farms are Disease Food shortage effected Damage to plants Human deaths Damage to Erosion of soil Mental stress crop Reduction of fish water user Less food habitat conflict production

7. Case study At least 330 million people are affected by drought in India. Case of a Y ogita Desai Yogita Desai had spent close to 4 hours in 42*C gathering water from the pump on Sunday. She began vomiting due to heatstroke and dehydration and was rushed to hospital, but she died. The droughts cost to our life so, we should know the ways to prevent from it.

8. Prevention First of all, we cannot prevent drought but we should try to prevent droughts as it causes huge damage. To prevent droughts we should preserve as much water as we can, we should use water in limit. We should save rain water in proper ways, and protect under ground water. ……..

9. ....Prevention We should plant as much trees as we can. We shouldn’t cut down trees for economic purpose or for any other purpose.

10. Conclusion Dry weather causes drought . It usually occurs in summer season due to hot and dry weather. It mainly causes due to less rainfall. Drought effects economic, environment and social resource. It can be mitigated by irrigation & crop rotation. W e can prevent from droughts by using water in proper ways, growing plants as much as we can and avoid deforestation.

11. S A V E T R E E S S A V E W O R L D