Essay on drought

Essay on drought

Essay on Drought: Definition, Causes, Regions and Other Details! The most common cause for drought is failure of rains. The tanks, wells and similar underground water reserves remain unchanged. As a result there is not enough water available through hand pumps, wells and other traditional sources that depend on underground reserves of blogger.comted Reading Time: 6 mins 10/11/ · Definition: A drought is a prolonged, abnormally dry period when there is not enough water for users' normal needs. Drought is not simply low rainfall; if it was, much of inland Australia would be in almost perpetual drought. Because people use water in so many different ways, there is no universal definition of drought 25/1/ · Essay on Drought: Is a closely associated natural disaster caused due to scanty or no rainfall. They are life-risking and take a heavy toll on poultry, human and wildlife. An extreme water shortage causes crops to dry, and farmers run helter-skelter for their blogger.comted Reading Time: 5 mins

Essay Effects on Drought - Words | Bartleby

Home — Essay Samples — Environment — Deforestation — Drought: Types, Impacts and Preventive Measures. Drought is considered by many to be the most complex but least understood of all natural hazards, affecting more people than any other hazard G.

Hagman However, there remains essay on drought confusion within the scientific and policy communities about its characteristics, essay on drought. It is precisely this confusion that explains, to some extent, the lack of essay on drought in drought preparedness in most parts of the world, essay on drought.

Drought is a slow-onset, creeping natural hazard that is a normal part of climate for virtually all regions of the world; it results in serious economic, social, and environmental impacts. Drought onset and essay on drought are often difficult to determine, as is its severity.

The impacts of drought are largely non-structural and spread over a larger geographical area than damage from other natural hazards. The non-structural characteristic of drought impacts has certainly hindered the development of accurate, reliable, and timely estimates of severity and, ultimately, the formulation of drought preparedness plans by most governments.

Essay on drought impacts of drought, like those of other hazards, can be reduced through mitigation and preparedness. Drought preparedness planning should be considered an essential component of integrated water resources management. Drought preparedness planning will also provide substantial benefit in preparing for potential changes in climate, essay on drought. Historically, more emphasis has been given to flood essay on drought than drought management.

With increasing pressure on water and other natural resources because of increasing and shifting populations i. Wilhite If nations and regions are to make progress in reducing the serious consequences of drought, they must improve their understanding of the hazard and the factors that influence vulnerability. It is critical for drought-prone regions to better understand their drought climatology i, essay on drought.

All drought-prone nations should develop national drought policies and preparedness plans that place emphasis on risk management rather than following the traditional approach of crisis management, where the emphasis is on reactive, emergency response measures. Crisis management decreases self-reliance and increases dependence on government and donors. These are region specific since deficiency of precipitation is highly variable from region to region.

Hydrological drought: these are associated with the deficiency of water on surface or subsurface due to a shortfall in precipitation. Although all droughts have their origination from a deficiency in precipitation, hydrological drought is mainly concerned about how this deficiency affects components of the hydrological system such as soil moisture, essay on drought, stream flow, groundwater and reservoir levels etc. Agricultural drought: this links various characteristics of meteorological or hydrological drought to agricultural impacts, focusing on precipitation shortages, differences between actual potential evapotranspiration, soil, soil water deficits, and reduced groundwater or reservoir levels.

Plant water demand depends on prevailing weather conditions, biological characteristics of the specific plant, and its stage of growth and the physical and biological properties of the soil. Socio-economic drought: it is associated with the demand and supply aspect of economic goods together with elements of meteorological, hydrological and agricultural drought. This type of drought mainly occurs when there the demand for an economic good exceeds its supply due to a weather-related shortfall in water supply Impacts of Drought The impacts of a drought can be economic, environmental or social.

Drought produces a complex web of impacts that spans many sectors of the economy and reaches well beyond the area experiencing physical drought. Impacts are commonly referred to as direct and indirect. Direct impacts include reduced crop, rangeland, and forest productivity, increased fire hazard, reduced water levels, increased livestock and wildlife mortality rates, and damage to wildlife and fish habitat.

The consequences of these direct impacts illustrate indirect impacts. For example, a reduction in the crop, rangeland, and forest productivity may result in reduced income for farmers and agribusiness, increased prices for food and timber, unemployment, reduced tax revenues because of reduced expenditures, foreclosures on bank loans to farmers and businesses, migration, and disaster relief programs. Economic impacts Many economic impacts occur in agriculture and related sectors, essay on drought, including forestry and fisheries, because of the reliance of these sectors on surface and subsurface water supplies.

In addition to obvious losses in yields in crop and livestock production, drought is associated with increases in insect infestations, plant disease, and wind erosion, essay on drought. Droughts also bring increased problems with insects and diseases to forests and reduce growth.

The incidence of forest and range fires increases substantially during extended droughts, which in turn places both human and wildlife populations at higher levels of risk. Environmental Impacts Environmental losses are the result of damages to plant and animal species, wildlife habitat, and air and water quality; forest and range fires; degradation of landscape quality; loss of biodiversity; and soil erosion.

Some of the effects are short-term and conditions quickly return to normal following the end of the drought. Other environmental effects linger for some time or essay on drought even become permanent. Wildlife habitat, for example, essay on drought be degraded through the loss of wetlands, lakes, and vegetation.

However, many species will eventually recover from this temporary aberration. The degradation of landscape quality, including increased soil erosion, may lead to a more permanent loss of biological productivity essay on drought the landscape. Although environmental losses are difficult to quantify, growing public awareness and concern for environmental quality has forced public officials to focus greater attention and resources on these effects, essay on drought.

Social Impacts Social impacts involve public safety, health, conflicts between water users, reduced quality of life, and inequities in the distribution of impacts and disaster relief. Many of the impacts identified as economic and environmental have social components as well. Population migration is a significant problem in many countries, often stimulated by a greater supply of food and water elsewhere.

Migration is usually to urban areas within the stressed area, or to regions outside the drought area. Migration may even essay on drought to adjacent countries. When the drought has abated, the migrants seldom return home, depriving rural areas of valuable human resources. The drought migrants place increasing pressure on the social infrastructure of the urban areas, leading to increased poverty and social essay on drought. Proper selection of crop for drought-affected areas ; Development of water resource system with improved irrigation; Leveling, soil-conservation techniques development of improved storage facilities; Reducing deforestation and fire-wood cutting in the affected areas protection of surface water from evaporation and introduction; Alternative land-use models for water sustainability of drip irrigation system; Checking of migration and providing alternate employment; Animal husbandry activities can help in mitigation with use of improved; Education and training to the people and scientific methods; Participatory community programmes.

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com uses cookies. This essay has been submitted by a student. This is not an example of the work written by professional essay writers. Drought: Types, Impacts and Preventive Measures Category: Environment Subcategory: Environment Problems Topic: Deforestation Pages: 3 Words: Published: 22 October Downloads: 26 Download Print.

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Essay on Drought

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Drought Essay - Words

16/3/ · Hydrological drought (is A marked depletion of surface water causing very low stream flow and drying of lakes, rivers and reservoirs) Meteorological drought (This type of drought is all about the weather and occurs when there is a prolonged period of below average precipitation, which creates a natural shortage of available water) Agricultural drought (This type of drought Essay on Drought: Definition, Causes, Regions and Other Details! The most common cause for drought is failure of rains. The tanks, wells and similar underground water reserves remain unchanged. As a result there is not enough water available through hand pumps, wells and other traditional sources that depend on underground reserves of blogger.comted Reading Time: 6 mins 22/10/ · The impacts of drought are largely non-structural and spread over a larger geographical area than damage from other natural hazards. The non-structural characteristic of drought impacts has certainly hindered the development of accurate, reliable, and timely estimates of severity and, ultimately, the formulation of drought preparedness plans by most