Drought is a continuous period of dry weather , when an area gets less than its normal amount of rain, over months or even years. Crops and other plants need water to grow, and animals need it to live. ... A drought is a natural event, caused by other weather events like El Niño and high-pressure systems.
What is a drought answer?
To a farmer, a drought is a period of moisture deficiency that affects the crops under cultivation —even two weeks without rainfall can stress many crops during certain periods of the growing cycle. To a meteorologist, a drought is a prolonged period when precipitation is less than normal.
What is drought for class 6th?
b) Droughts: Droughts are the conditions which involve abnormally long period of insufficient or no rainfall . Droughts are caused due to lack of rains. Drought condition results in drying up of wells, lakes, ponds and thereby creating water scarcity.
What are the 4 types of drought?
As a result, the climatological community has defined four types of drought: 1) meteorological drought, 2) hydrological drought, 3) agricultural drought, and 4) socioeconomic drought.
How do humans cause drought?
Human activity can directly trigger exacerbating factors such as over farming , excessive irrigation, deforestation, and erosion adversely impact the ability of the land to capture and hold water.
How does drought occur in Class 6?
Answer: Drought occurs when it does not rain for many years .
What are the 5 effects of drought?
Shortages of drinking water and poor quality drinking water. Impacts on air quality, sanitation and hygiene, and food and nutrition. More disease, such as West Nile Virus carried by mosquitoes breeding in stagnant water.
What causes drought?
When rainfall is less than normal for a period of weeks to years , streamflows decline, water levels in lakes and reservoirs fall, and the depth to water in wells increases. If dry weather persists and water-supply problems develop, the dry period can become a drought.
What are 2 types of droughts?
- Meteorological Drought. When dry weather patterns dominate an area.
- Hydrological Drought. When low water supply becomes evident in the water system.
- Agricultural Drought. When crops become affected by drought.
- Socioeconomic Drought. ...
- Ecological Drought.
What is the most famous drought?
The 1930s “Dust Bowl” drought remains the most significant drought—meteorological and agricultural—in the United States’ historical record.
How can we prevent drought?
Being mindful of the amount of water you use each day can be a powerful way to prevent droughts. Turning off the faucet while you brush your teeth , watering your garden early in the morning so less water evaporates, and installing low-flow plumbing fixtures all are good ways to prevent wasted water.
What are 2 interesting facts about droughts?
01Drought can last as long as a week, a month, a year, or even more. 02 Lack of precipitation in an area is one of the major causes of drought. 03Due to the lack of water for crop irrigation, drought can also affect the food chain – resulting in famine. 04As the climate warms, droughts become more common.
How long do droughts last?
The beginning of a drought is difficult to determine. Several weeks, months, or even years may pass before people know that a drought is occurring. The end of a drought can occur as gradually as it began. Dry periods can last for 10 years or more .
Who is responsible for drought?
Human beings are responsible for the drought in Maharashtra in 2016. According to the water conservationist Rajendra Singh, the drought primarily occurred because the Indian Government lacked a serious attitude regarding water security.
How is rain useful to us Class 6?
Rainfall is very important for the survival of plants and animals . It brings fresh water to the earth’s surface. If rainfall is less, there is water scarcity which sometimes causes drought like situation. If there is excess rain, floods take place which make the life of affected people miserable.
Why should we save water class 6?
To conserve water means ‘to save water by using it carefully, wisely and by preventing its wastage . It is essential to conserve water because the amount of usable water on the earth is limited and there is scarcity of usable water for various purposes.
