Download PDF by J. V. Vogt, F. Somma (auth.), Jürgen V. Vogt, Francesca: Drought and Drought Mitigation in Europe

By J. V. Vogt, F. Somma (auth.), Jürgen V. Vogt, Francesca Somma (eds.)

ISBN-10: 9048155681

ISBN-13: 9789048155682

ISBN-10: 9401594724

ISBN-13: 9789401594721

Drought is without doubt one of the significant common risks, leading to major fiscal, social, and environmental expenditures. In Europe, water scarcity is a crucial challenge in lots of areas. despite the fact that, regardless of the expanding wisdom of this threat, there's no ecu drought coverage and institutional frameworks to deal with drought events are just weakly built.
This e-book is devoted to furthering our knowing of the drought challenge in Europe and to discussing coverage and administration concepts to mitigate its affects. It covers points from the detection of water rigidity to the making plans of mitigation concepts. The contributions are written by way of recognized specialists of their box and characterize a different selection of papers at the subject.
Audience: The ebook could be of profit to scientists, managers, and politicians enthusiastic about difficulties with regards to water administration, hazard overview, and spatial making plans. scholars in Earth Sciences, specially in geography, climatology, hydrology, and agriculture, will locate precious fabric during this number of papers.

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Bull. Q. Washington, WB Report No. 361: SI-S8, quoted from WMO (197S). G. (1966) A Technique for tbe Evaluation of Drought from Rainfall Data, Journal of Hydrology 4: 264-272. H. (1972) Some Measures of Agricultural Drought, in Floods and Droughts, Proceedings of the Second International Symposium in Hydrology, Sept. 11-13, 1972, Colorado, USA, 491-S02. e. (1936) Droughts of 1930-1934, USGS Water Supply Paper No. 680, 106 p, quoted from WMO (l97S). Hulme, M. ) (1996) Climate Change and Southern Africa: an Exploration of Some Potential Impacts and Implications for the SADCC region, Report commissioned by WWF International and co-ordinated by Climatic Research Unit, University of East Anglia, Norwich, UK.

3. , 2000). A drought exists when root-zone soil moisture reserves are insufficient to sustain crops and pasture between rainfalls. Soil drought is the most common form of drought, entailing water deficiency in the root zone. It may be expressed by the water content of the soil profile per metre depth. Atmospheric drought is present when humidity is so low that it cannot be substituted by the actual soil moisture content. Thus, humidity becomes a limiting factor. Physiological drought is a limiting water deficiency in plant cells when the soil and air contain water in sufficient quantities.

Flow Frequency Curves Flow frequency curves, which show the average interval in years (return period) between which the flow falls below a given discharge, can be used to identify low flow periods. The plots may be derived for the lowest daily discharge in each year or from flows averaged over longer durations. The procedure for producing such curves is described fully in the Low Flow Studies Report (Institute of Hydrology, 1980). However, the use of flow frequency curves provides no idea of the sequence of flows nor the duration of low flow events.

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Drought and Drought Mitigation in Europe by J. V. Vogt, F. Somma (auth.), Jürgen V. Vogt, Francesca Somma (eds.)


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