globalchange  > 过去全球变化的重建
DOI: 10.1371/journal.pone.0166247
论文题名:
The Differential Warming Response of Britain’s Rivers (1982–2011)
作者: Art R. T. Jonkers; Kieran J. Sharkey
刊名: PLOS ONE
ISSN: 1932-6203
出版年: 2016
发表日期: 2016-11-10
卷: 11, 期:11
语种: 英语
英文关键词: Rivers ; Fresh water ; United Kingdom ; Lakes ; Surface water ; Sea water ; Wales ; Scotland
英文摘要: River water temperature is a hydrological feature primarily controlled by topographical, meteorological, climatological, and anthropogenic factors. For Britain, the study of freshwater temperatures has focussed mainly on observations made in England and Wales; similar comprehensive data sets for Scotland are currently unavailable. Here we present a model for the whole of mainland Britain over three recent decades (1982–2011) that incorporates geographical extrapolation to Scotland. The model estimates daily mean freshwater temperature for every river segment and for any day in the studied period, based upon physico-geographical features, daily mean air and sea temperatures, and available freshwater temperature measurements. We also extrapolate the model temporally to predict future warming of Britain’s rivers given current observed trends. Our results highlight the spatial and temporal diversity of British freshwater temperatures and warming rates. Over the studied period, Britain’s rivers had a mean temperature of 9.84°C and experienced a mean warming of +0.22°C per decade, with lower rates for segments near lakes and in coastal regions. Model results indicate April as the fastest-warming month (+0.63°C per decade on average), and show that most rivers spend on average ever more days of the year at temperatures exceeding 10°C, a critical threshold for several fish pathogens. Our results also identify exceptional warming in parts of the Scottish Highlands (in April and September) and pervasive cooling episodes, in December throughout Britain and in July in the southwest of England (in Wales, Cornwall, Devon, and Dorset). This regional heterogeneity in rates of change has ramifications for current and future water quality, aquatic ecosystems, as well as for the spread of waterborne diseases.
URL: http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0166247&type=printable
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/22725
Appears in Collections:过去全球变化的重建
影响、适应和脆弱性
科学计划与规划
气候变化与战略
全球变化的国际研究计划
气候减缓与适应
气候变化事实与影响

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作者单位: Department of Mathematical Sciences, University of Liverpool, Liverpool, United Kingdom;Institute for Geophysics, Westfälische Wilhelms Universität, Münster, Germany;Department of Mathematical Sciences, University of Liverpool, Liverpool, United Kingdom

Recommended Citation:
Art R. T. Jonkers,Kieran J. Sharkey. The Differential Warming Response of Britain’s Rivers (1982–2011)[J]. PLOS ONE,2016-01-01,11(11)
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