Mauricio Zambrano-Bigiarini
Hydrological Impacts of Climate Change on the Ebro River Basin
Zambrano-Bigiarini, Mauricio; Majone, Bruno; Bellin, Alberto; Bovolo, C. Isabella; Blenkinsop, Stephen; Fowler, H.J.
Authors
Bruno Majone
Alberto Bellin
Dr Isabella Bovolo isabella.bovolo@durham.ac.uk
Assistant Professor
Stephen Blenkinsop
H.J. Fowler
Abstract
This work presents hydrological simulations on the Ebro River basin (Spain), using both control (1961–1990) and future (2071–2100) climate scenarios, to investigate the effect of climate change on water resources. Using the Soil and Water Assessment Tool hydrological model, simulations were carried out in four subcatchments representative of typical situations within the basin. Model parameters were identified using sensitivity analysis and long-term calibration procedures, which enabled the historical behaviour of the catchments to be reproduced. Following validation, the parameters were used to simulate the effects of climate change on future streamflows. Bias-corrected daily time series of precipitation and mean temperature from two regional climate models (RCMs), using the same medium-high SRES A2 emissions scenario, were used as drivers of the hydrological simulations during the future scenarios. Important annual and seasonal differences in the projected future precipitation and air temperature fields were observed among the RCMs. However, the two models project an overall increase in the mean annual temperature accompanied by a reduction in the annual precipitation, with the strongest differences with respect to the control period observed during the summer season. When these changes were used to project future streamflows, a general decrease was observed in the streamflows at the outlet of the selected catchments. Changes in streamflows were in general agreement with the projections of daily precipitation and temperature fields, with the largest drop in predicted monthly streamflows for the subcatchments with the lowest aridity index, and seasonal differences that appears to be related to the elevation range of the subcatchments.
Citation
Zambrano-Bigiarini, M., Majone, B., Bellin, A., Bovolo, C. I., Blenkinsop, S., & Fowler, H. (2010). Hydrological Impacts of Climate Change on the Ebro River Basin. In The Ebro River Basin (47-75). https://doi.org/10.1007/698_2010_85
Publication Date | 2010 |
---|---|
Deposit Date | Sep 24, 2018 |
Pages | 47-75 |
Series Number | 13 |
Book Title | The Ebro River Basin |
ISBN | 978-3-642-18031-6 |
DOI | https://doi.org/10.1007/698_2010_85 |
Public URL | https://durham-repository.worktribe.com/output/1658127 |
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