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Hydroclimatology of extreme river flows
journal contributionposted on 2016-04-15, 09:44 authored by Grace Garner, Anne F. Van Loon, Christel Prudhomme, David M. Hannah
1. Floods and droughts are recurrent events with characteristics of frequency, magnitude, duration and timing occupying the opposing extremes of natural river flow regimes. This hydrological variability, driven by climate and meteorology and modified by river basin processes, is a key determinant of physicochemical river habitat influencing the structure and function of freshwater communities. 2. A changing (warming) climate is projected to alter water and heat inputs to river systems that drive river flow, and thus, hydrological processes may be subject to unprecedented future change, resulting in potentially unprecedented river flow extremes. 3. We review the hydroclimatology of extreme river flows in changing climates and draw case studies from the European temperate regions. 4. Specifically, we adopt a ‘catchment perspective’, in which an understanding of meteorological and hydrological processes is used to (i) conceptually define extreme river flows, (ii) explain the (natural) climatic and catchment processes that drive extreme river flows, (iii) discuss future potential changes driven by an anthropogenically modified climate and (iv) identify uncertainties associated with projections of future climate-driven hydrological shifts.
- Social Sciences
- Geography and Environment
Published inFRESHWATER BIOLOGY
Pages2461 - 2476 (16)
CitationGARNER， G. ...et al., 2015. Hydroclimatology of extreme river flows. Freshwater Biology, 60(12), pp. 2461-2476.
- VoR (Version of Record)
Publisher statementThis work is made available according to the conditions of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) licence. Full details of this licence are available at: https://creativecommons.org/licenses/by-nc-nd/4.0/
NotesThis paper is in closed access.