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28/09/2018

Why is there a drought?

Why is there a drought?

Drought has many causes. It can be caused by not receiving rain or snow over a period of time. If you live in a place where most of the water you use comes from a river, a drought in your area can be caused by places upstream from you not receiving enough moisture.

What happens after a drought?

When less precipitation falls than normal over an extended period of time, the soil dries out, trees and crops die, and water in streams, rivers, lakes, and reservoirs dries up.

What are effects of drought?

Examples of drought impacts on society include anxiety or depression about economic losses, conflicts when there is not enough water, reduced incomes, fewer recreational activities, higher incidents of heat stroke, and even loss of human life. Drought conditions can also provide a substantial increase in wildfire risk.

Can droughts happen anywhere?

In the United States, droughts are most likely to occur in the Midwest and the South. In the United States, droughts can have major impact on agriculture, recreation and tourism, water supply, energy production, and transportation.

Where do droughts occur?

What happens before a drought?

Droughts happen when there is not enough rain for a long period of time. It’s not like a dry spell – there is so little precipitation (rain, snow, sleet or any kind of moisture) that a whole region starts to dry out. Sometimes a drought takes decades to develop fully and they are very difficult to predict.

Where do droughts mostly occur in the world?

Afghanistan. Afghanistan is among the driest and most barren countries in the world. About 2.5 million people have been affected and need help for the government and the international aid. The southern parts of the country lose about 60-80% of animals whenever a drought occurs.

How many people get affected by droughts?

Worldwide, 19 percent of cities with more than one million inhabitants are already located in areas with a high to very high risk of drought – a total of around 370 million people are affected.

What diseases can Droughts cause?

Lack of water supply and sanitation services, malnutrition, displacement and higher vulnerability of the population all increase the risk of infectious diseases such as cholera, typhoid fever, diarrhoea, acute respiratory infections and measles.