Atmospheric conditions such as climate change, ocean temperatures, changes in the jet stream, and changes in the local landscape are all factors that contribute . Causes. Anthropogenic Drought: How Humans Affect the Global Ecosystem Water stress (Drought) is one of the most important limiting factors in crop production and it is becoming an increasing severe problem in many region of the world [1, 2]. Hydrological drought requires a long term to be mitigated as recharging of natural water sources happens slowly. This leads to higher-than-average rainfall in some areas and drought in others. Types of Droughts. This is peculiar to remote communities of developing nations, where communication . But in more arid regions, warmer temperatures mean water evaporates more quickly. Crack up your family and friends with these clever and harmless pranks! Shortage of water, Dry and hot winds, rise in temperature, and consequent evaporation of moisture from the ground contribute to conditions of drought. Try trees and rainwater cisterns. Large-scale weather patterns, including the distribution of rainfall, are largely driven by the patterns of air circulation in the atmosphere. We cant control the weather. We also use third-party cookies that help us analyze and understand how you use this website. The effects can . Drought related to the 1982-1983 El Nio cost nearly US$1 billion in direct damages with an estimated US$350 million spent on famine relief (1983 prices) in southern Africa (International Federation of Red Cross and Red Crescent Societies, 1999). More than 80 percent of drought-induced economic damage and loss suffered by developing nations from 2005 to 2015 was related to livestock, crops, and fisheries. Drought impacts, however, are not the result only of insufficient rainfall or searing temperature. For example, production declined as a result of the 1980s and 1990s droughts in southern Africa. 1985; Chambers, 1989; Vogel, 1995; Jallow, 1995; Davies, 1996; Downing et al., 1996) have therefore shown that droughts act together with a number of underlying factors to exacerbate local conditions. A drought is a period of unusually persistent dry weather that continues long enough to cause serious problems such as crop damage and/or water supply shortages. Food production is particularly at risk from drought, the implications of which can last long after the drought itself is over. "This study shows these events . It is a slow-onset disaster characterized by the lack of precipitation, resulting in a water shortage.
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