Causes Of Drought Pdf

Effects vary according to vulnerability. Within the tropics, distinct, wet and dry seasons emerge due to the movement of the Intertropical Convergence Zone or Monsoon trough.

Causes and Effects of Drought

The main cause of water shortage is drought. International Journal of Climatology. Hydrologists define drought as an extended period of less precipitation and stream flow. In other projects Wikimedia Commons. Rainfall in any form will provide some drought relief.

What causes drought

They are the direct effects to people and communities. Unlike meteorological droughts, hydrological droughts do not take place at the same time. They help store water, minimize evaporation, and contribute a great deal of atmospheric moisture in the form of transpiration. Different sets of people have different definitions of drought. People forced to migrate also undergo lots of stress, anxiety and are compelled to indulge in strenuous activities to provide for their families.

These surface water resources could dry out if their main sources are interfered with. Under appropriate climatic conditions, areas with loess are among the most agriculturally productive in the world.

These were the first enduring practical programs to curtail future susceptibility to drought, creating agencies that first began to stress soil conservation measures to protect farm lands today. Many of these losses are then passed on to consumers in the form of higher food prices. Shortages in precipitation, changes in evapo-transpiration, and reduced ground water levels can create stress and problems for crops.

Trees and vegetation cover are essential for the water cycle as it helps to limit evaporation, stores water, and attracts rainfall. Seismic hazard Seismic risk Soil liquefaction. What are the long-term effects of climate change?

Midwest is one example of the devastation that can occur. During dry and hot weather periods, it is common to find dry and cracked earth without even a single shed of water or wet areas. Such governmental monetary spending includes funds for emergency supplies, seed funds, and availing other relevant drought mitigation resources.

Droughts take place whenever there is prolonged periods of rainfall deficiency for a season or more and usually when there is a lack of anticipated rainfall or precipitation. This kind of drought takes a long time to become severe and equally long time to recover from it. According to the National Climate data Centre, droughts comes in second to hurricanes in regards to causing severe economic impacts. Often, low crop yields are experienced during drought periods.

Drought has left the West parched and thirsty. Droughts occur mainly in areas where normal levels of rainfall are, in themselves, low. Hence, farmers have to spend more money to buy water or drill wells to keep the crops and livestock nourished with enough water.

Causes and Effects of Hurricanes. Various Causes and Effects of Torandoes. Types, biology concepts and connections 5th edition pdf Causes and Effects of Droughts. Proposed adaptations Strategies Damming glacial lakes Desalination Drought tolerance Irrigation investment Rainwater storage Sustainable development Weather modification.

With increasing global surface temperatures the possibility of more droughts and increased intensity of storms will likely occur. Land allocation decision support system.

Effects of Drought

How dry depends on the amount of precipitation that's normal for a location's climate. Because of the lack of water in the plants, bushfires are common. Several weeks, months, or even years might pass before people know that a drought is occurring. Some of the worst droughts witnessed in sub-Saharan Africa have been associated with global warming and climate change.

The global warming situation tends to exacerbate the drought conditions. The lake is formed by Folsom Dam, in the foreground, which is part of the U. This contributes to loss of livelihoods and disorients small-scale farmers who are dependent on their farm produce. They pay for lots of inputs and labor, but the outcomes are less. Temperature Cold wave Ice storm Hail Heat wave.

What Is a Drought5 Causes Of Drought

This is the major cause of droughts in most regions. Warmer temperatures are recipes for dryness and bushfires. Therefore, windbreaks such as big trees and bushes are often planted by farmers to reduce the wind erosion of loess.