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Hydrological Modelling for Integrated Water Resources Management in a Changing Climate / Salam A. A. Abbas

DOI (Published version): 10.23889/Suthesis.43733

Abstract

Hydrological models are a simplified representation of hydrological processes and can be very used for the water resources assessment and gain an integral view of the water resources status for integrated water resources management IWRM. Furthermore, they can be used to investigate the possible impa...

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Published: 2018
Institution: Swansea University
Degree level: Doctoral
Degree name: Ph.D
URI: https://cronfa.swan.ac.uk/Record/cronfa43733
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first_indexed 2018-09-07T12:58:58Z
last_indexed 2019-10-21T16:49:47Z
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spelling 2018-09-14T11:56:14.7077708 v2 43733 2018-09-07 Hydrological Modelling for Integrated Water Resources Management in a Changing Climate 2018-09-07 Hydrological models are a simplified representation of hydrological processes and can be very used for the water resources assessment and gain an integral view of the water resources status for integrated water resources management IWRM. Furthermore, they can be used to investigate the possible impacts and trends resulting from different types of scenarios, such as climate change impact studies.Accordingly, with IWRM as the future application, the primary objectives of this study is to use a hydrological model, SWAT for the modelling of a highly-regulated river basin through the physical flow control (reservoirs release in the upstream region), the Dee River Watershed in the United Kingdom. Moreover, an essential aspect of model input uncertainty, i.e. precipitation is investigated on the simulated streamflow where different methods of rainfall pre-processing are used. Furthermore, a quantile regression method is employed for analysing the long-term historical trend of rainfall, river flow and catchment water yields focusing on the patterns of the data close to 'extreme' regimes, to link them to the events of interests for the climate change impact studies.Additionally, a reliable simulation of both land surface and groundwater hydrological processes is a far important step for IWRM. One way to achieve such purpose is the coupling of surface and groundwater models. The land surface model (SWAT) is coupled with the groundwater flow model (MODFLOW) to improve the baseflow simulation of the SWAT standalone in the study area. Another critical aspect of this study is the investigation of parameter uncertainty of the coupled SWAT-MODFLOW. Finally, the climate projection data from the CMIP5 project is utilised with allocation model, Water Evaluation and Planning software WEAP to address climate change impact for future scenarios on water resources.All presented models performed well in demonstrating the study conditions, as indicated by the statistical performance. The research approach of the integrated models can generally apply to any catchment and inspired by the need of considering all aspects related to hydrological models for IWRM to bridge the gap of between stakeholder involvement and natural hydrological processes in building and applying integrated models to ensure acceptability and application in decision-making for IWRM. E-Thesis Hydrology, Climate Change, Water Resources Management, Highly-regulated River Basins 31 12 2018 2018-12-31 10.23889/Suthesis.43733 A selection of third party content is redacted or is partially redacted from this thesis. COLLEGE NANME COLLEGE CODE Swansea University Doctoral Ph.D 2018-09-14T11:56:14.7077708 2018-09-07T11:50:58.6542537 Faculty of Science and Engineering School of Engineering and Applied Sciences - Uncategorised Salam A. A. Abbas 1 0043733-07092018141041.pdf Abbas_Salam_A_A_PhD_Final_Thesis_Redacted.pdf 2018-09-07T14:10:41.0000000 Output 10795404 application/pdf Redacted version - open access true 2019-08-31T00:00:00.0000000 true
title Hydrological Modelling for Integrated Water Resources Management in a Changing Climate
spellingShingle Hydrological Modelling for Integrated Water Resources Management in a Changing Climate
,
title_short Hydrological Modelling for Integrated Water Resources Management in a Changing Climate
title_full Hydrological Modelling for Integrated Water Resources Management in a Changing Climate
title_fullStr Hydrological Modelling for Integrated Water Resources Management in a Changing Climate
title_full_unstemmed Hydrological Modelling for Integrated Water Resources Management in a Changing Climate
title_sort Hydrological Modelling for Integrated Water Resources Management in a Changing Climate
author ,
author2 Salam A. A. Abbas
format E-Thesis
publishDate 2018
institution Swansea University
doi_str_mv 10.23889/Suthesis.43733
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Engineering and Applied Sciences - Uncategorised{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Uncategorised
document_store_str 1
active_str 0
description Hydrological models are a simplified representation of hydrological processes and can be very used for the water resources assessment and gain an integral view of the water resources status for integrated water resources management IWRM. Furthermore, they can be used to investigate the possible impacts and trends resulting from different types of scenarios, such as climate change impact studies.Accordingly, with IWRM as the future application, the primary objectives of this study is to use a hydrological model, SWAT for the modelling of a highly-regulated river basin through the physical flow control (reservoirs release in the upstream region), the Dee River Watershed in the United Kingdom. Moreover, an essential aspect of model input uncertainty, i.e. precipitation is investigated on the simulated streamflow where different methods of rainfall pre-processing are used. Furthermore, a quantile regression method is employed for analysing the long-term historical trend of rainfall, river flow and catchment water yields focusing on the patterns of the data close to 'extreme' regimes, to link them to the events of interests for the climate change impact studies.Additionally, a reliable simulation of both land surface and groundwater hydrological processes is a far important step for IWRM. One way to achieve such purpose is the coupling of surface and groundwater models. The land surface model (SWAT) is coupled with the groundwater flow model (MODFLOW) to improve the baseflow simulation of the SWAT standalone in the study area. Another critical aspect of this study is the investigation of parameter uncertainty of the coupled SWAT-MODFLOW. Finally, the climate projection data from the CMIP5 project is utilised with allocation model, Water Evaluation and Planning software WEAP to address climate change impact for future scenarios on water resources.All presented models performed well in demonstrating the study conditions, as indicated by the statistical performance. The research approach of the integrated models can generally apply to any catchment and inspired by the need of considering all aspects related to hydrological models for IWRM to bridge the gap of between stakeholder involvement and natural hydrological processes in building and applying integrated models to ensure acceptability and application in decision-making for IWRM.
published_date 2018-12-31T03:55:04Z
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score 11.013731

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