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The deterioration of the balance between precipitation and evaporation and the long duration of this situation is known as drought. Drought adversely affects many environmental components such as soil processes, vegetation growth, wildlife, water quality, and aquatic ecosystems. While drought has unfavorable impacts on both surface and groundwater resources, hydrological regimes can also be affected by it, changing the chemistry of surface waters and the runoff pathway, which can negatively influence water quality. Today one out of every three people is faced with the drought and water shortage risk, thus water scarcity and water stress. This book presents studies on the various forms and severity of the drought that can occur in almost every region of the world as well as their causes and impacts. It analyzes in detail the complex drought phenomenon, which has a significant impact on water resources, agriculture, energy production, human health, and forest fires.
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Although there is considerable historical literature describing the social and economic impact of drought on the prairies in the 1930s, little has been written about the challenges presented by drought in more contemporary times. The drought of 2001-02 was, for example, the most recent large-area, intense, and prolonged drought in Canada and one of Canada's most costly natural disasters in a century.Vulnerability and Adaptation to Drought on the Canadian Prairies describes the impacts of droughts and the adaptations made in prairie agriculture over recent decades. These adaptations have enhanced the capacity of rural communities to withstand drought. However, despite the high levels of technical adaptation that have occurred, and the existing human capital and vibrant social and information networks, agricultural producers in the prairie region remain vulnerable to severe droughts that last more than a couple of years. Research findings and projections suggest that droughts could become more frequent, more severe, and of longer duration in the region over the course of the 21st century. This book provides insights into the conditions generating these challenges and the measures required to reduce vulnerability of prairie communities to them. Developing greater understanding of the social forces and conditions that have contributed to enhanced resilience, as well as those which detract from successful adaptation, is a principal theme of the book. To that end, the book examines drought through an interdisciplinary lens encompassing climate science and the social sciences. Two of the chapters are based on the drought experiences of other countries in order to provide a comparative assessment.With contributions by:Jose Armando BoninsegnaBarrie BonsalDarrell CorkalAmber FletcherMonica HadaritsTom HarrisonMargot HurlbertSamantha KerrErin KnuttilaSuren KulshreshtaGregory MarchildonElma MontanaBruce MoritoJeremy PittmanAlejandro RojasDavid SauchynPaula SantibanezA.UnvoasJohanna WandelJames WarrenVirginia WittrockElaine Wheaton.
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Drought forecasting. --- Droughts --- Forecasting, Drought --- Weather forecasting --- Forecasting
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Drought (hydrological, meteorological, and/or agronomical) disturbs water balance in certain domains and limits green/blue water resources for our basic needs, including food and energy production. This book presents the most recent insights related to drought types, their detection, and their effects on food, energy, and municipal water supplies. It also examines some novel approaches to drought management.
Drought forecasting. --- Droughts --- Forecasting, Drought --- Weather forecasting --- Forecasting --- Meteorology & climatology
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Bryophyta --- Bryophyta --- Ultraviolet radiation --- Ultraviolet radiation --- Drought resistance --- Drought resistance
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Desertification. --- Desertification --- Erosion. --- Erosion --- Drought --- Drought --- Agcd --- Agcd
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Hordeum vulgare --- Festuca arundinacea --- Drought --- water supply --- Drought resistance
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