What are the main type 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.

What is drought and types of drought?

A meteorological drought occurs when rainfall is less than average over a significant period, often a month. An agricultural drought is considered to be taking place when a lack of rainfall leads to a decline in soil moisture affecting pastures and rain-fed crops.

What are the 5 causes of drought?

Droughts are caused by low precipitation over an extended period of time. Atmospheric conditions such as climate change, ocean temperatures, changes in the jet stream, and changes in the local landscape are all factors that contribute to drought.

What are the 4 types of drought PDF?

The above-described definitions of drought form the basis of many drought-related studies, which often focus on a specific type of drought such as meteorological, agricultural, hydrological, or socio-economic drought (Wilhite and Glantz 1985).

What are the 4 types of drought?

Types of Drought
  • 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 are the four categories of drought?

Wilhite and Glantz1 categorized the definitions in terms of four basic approaches to measuring drought: meteorological, hydrological, agricultural, and socioeconomic.

What are 5 effects of drought?

Drought can also cause long-term public health problems, including: 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 are 4 types of droughts in South Africa?

Droughts are categorized into four major categories namely agricultural, meteorological, hydrological and socio-economic drought (Wilhite & Glantz 1985).

What are three characteristics of a drought?

A drought is a period of time when an area or region experiences below-normal precipitation. The lack of adequate precipitation, either rain or snow, can cause reduced soil moisture or groundwater, diminished stream flow, crop damage, and a general water shortage.

What is drought explain?

Drought is a prolonged dry period in the natural climate cycle that can occur anywhere in the world. It is a slow-onset disaster characterized by the lack of precipitation, resulting in a water shortage. Drought can have a serious impact on health, agriculture, economies, energy and the environment.

What do you mean by drought?

A drought is defined as “a period of abnormally dry weather sufficiently prolonged for the lack of water to cause serious hydrologic imbalance in the affected area.” -Glossary of Meteorology (1959).

How is drought defined?

A drought is a period of drier-than-normal conditions that results in water-related problems. When rainfall is less than normal for several weeks, months, or years, the flow of streams and rivers declines, water levels in lakes and reservoirs fall, and the depth to water in wells increases.

What is drought Short answer?

A drought is a period of drier-than-normal conditions that results in water-related problems. The amount of precipitation at a particular location varies from year to year, but over a period of years the average amount is fairly constant.

What are 10 causes of drought?

Various Causes of Drought
  • Natural causes. Some droughts have occurred naturally, plaguing humankind throughout much of our history. …
  • Altered weather patterns. …
  • Excess water demands. …
  • Deforestation and soil degradation. …
  • Global warming. …
  • Climate change. …
  • Fluctuating ocean and land temperatures.

What are 5 effects of drought?

Drought can also cause long-term public health problems, including: 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 are the causes and effects of drought?

A drought is caused by drier than normal conditions that can eventually lead to water supply problems. Really hot temperatures can make a drought worse by causing moisture to evaporate from the soil. Just because a region is hot and dry doesn’t necessarily mean it is going through a drought.

What are some effects of drought?

Immediate drought impacts can include visibly dry vegetation and lower water levels in lakes and reservoirs. Longer-term impacts, such as land subsidence, seawater intrusion, and damage to ecosystems, can be harder to see, but more costly to manage in the future.

What are the solutions of droughts?

Rainwater harvesting provides both urban and rural areas with an efficient option to store rainwater and then reuse it in times of drought. If a house has a primary water source, then rainwater harvesting provides them with an auxiliary option that they can use when water is not available.