globalchange  > 气候变化与战略
DOI: 10.5194/hess-22-5227-2018
论文题名:
Land cover effects on hydrologic services under a precipitation gradient
作者: Zabaleta A.; Garmendia E.; Mariel P.; Tamayo I.; Antiguedad I.
刊名: Hydrology and Earth System Sciences
ISSN: 1027-5606
出版年: 2018
卷: 22, 期:10
起始页码: 5227
结束页码: 5241
语种: 英语
Scopus关键词: Climate models ; Forestry ; Land use ; Regression analysis ; Water management ; Annual precipitation ; Climate change impact ; Climate change scenarios ; Hydrological services ; Multiple regression model ; Precipitation gradients ; Seasonal precipitations ; Temporal distribution ; Climate change
英文摘要: Climate change impacts on the hydrological cycle are altering the quantity, quality, and temporal distribution of riverine discharge, necessitating a more rigorous consideration of changes in land cover and land use. This study establishes relationships between different land cover combinations (e.g. percentages of forest - both native and exotic - and pastureland) and hydrological services, using hydrological indices estimated at annual and seasonal timescales in an area with a steep precipitation gradient (900-2600mmyr1). Using discharge data from 20 catchments in the Bay of Biscay, a climate transition zone, the study applied multiple regression models to better understand how the interaction between precipitation and land cover combinations influence hydrological services. Findings showed the relationship between land cover combinations and hydrological services is highly dependent on the amount of precipitation, even in a climatically homogeneous and relatively small area. In general, in the Bay of Biscay area, the greater presence of any type of forests is associated with lower annual water resources, especially with greater percentages of exotic plantations and high annual precipitation. Where precipitation is low, forests show more potential to reduce annual and winter high flows than pasturelands, but this potential decreases as annual or seasonal precipitation increases. As annual precipitation increases, low flows increase as the percentage of exotic plantations decreases and pasturelands increase. Results obtained in this study improve understanding of the multiple effects of land cover on hydrological services, and illustrate the relevance of land planning to the management of water resources, especially under a climate change scenario. © Author(s) 2018.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/163174
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作者单位: Zabaleta, A., Hidro-Environmental Processes Group, Science and Technology Faculty, University of the Basque Country UPV, EHU, Basque Country, Leioa, 48940, Spain; Garmendia, E., Department of Applied Economics i, University of the Basque Country UPV, EHU, Vitoria-Gasteiz, 01006, Spain, Basque Centre for Climate Change (BC3), Parque Científico de UPV, EHU, Leioa, 48940, Spain; Mariel, P., Department of Applied Economics III (Econometrics and Statistics), University of the Basque Country UPV, EHU, Bilbao, 48015, Spain; Tamayo, I., Department of Statistics, Harvard University, Cambridge, 02140, United States; Antiguedad, I., Hidro-Environmental Processes Group, Science and Technology Faculty, University of the Basque Country UPV, EHU, Basque Country, Leioa, 48940, Spain

Recommended Citation:
Zabaleta A.,Garmendia E.,Mariel P.,et al. Land cover effects on hydrologic services under a precipitation gradient[J]. Hydrology and Earth System Sciences,2018-01-01,22(10)
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