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Global analyses of drivers of water scarcity indicators in transboundary river basins

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en
dc.contributor.advisor Guillaume, Joseph, Dr., Australian National University, Australia
dc.contributor.author Munia, Hafsa Ahmed
dc.date.accessioned 2020-02-07T10:01:05Z
dc.date.available 2020-02-07T10:01:05Z
dc.date.issued 2020
dc.identifier.isbn 978-952-60-8961-4 (electronic)
dc.identifier.isbn 978-952-60-8960-7 (printed)
dc.identifier.issn 1799-4942 (electronic)
dc.identifier.issn 1799-4934 (printed)
dc.identifier.issn 1799-4934 (ISSN-L)
dc.identifier.uri https://aaltodoc.aalto.fi/handle/123456789/42980
dc.description.abstract Water scarcity management in the context of transboundary river basins is not limited to local water use and availability — upstream water demand and availability play an important role. The distinction between local and upstream water use and availability across countries sets transboundary water scarcity analysis apart from other water scarcity analyses. This dissertation aims to improve the general understanding of the causes of water scarcity in the transboundary context. A novel framework is developed to understand the evaluation of water scarcity, as well as downstream dependencies on upstream water resources, for global transboundary river basins. By applying the framework with existing datasets and water scarcity indicators, it was possible to identify transboundary water scarcity hotspots, the dominant factors behind the scarcity and the role of upstream water both historically and under future socio-economic and climate change conditions. This global work thus provides new insights for transboundary water management. Supported by global maps for this type of analysis for the first time, the thesis emphasizes a number of insights that are specifically relevant to the development and implementation of transboundary water scarcity adaptation strategies. One of the most important findings is that in the majority of cases, the down-stream water stress is mostly due to local "overuse" of water. In the context of securing water availability in the downstream parts of a basin, a critical point is passed when local water demand is higher than the threshold for the sub-basin in question to be self-sufficient with locally originated runoff. In many basins, nevertheless, upstream water use intensifies water scarcity. This is expected to be more significant in future scenarios, due to both local and upstream population growth and the associated increased water demand. Most importantly, the dissertation highlights that to make sound decisions for transboundary water, a well-rounded understanding of the water demand and availability in both local and upstream sub-basins is needed. Analyses of this type provide unprecedented opportunities for understanding the physical relationships within transboundary river basins at a global scale. en
dc.format.extent 52 + app. 66
dc.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher Aalto University en
dc.publisher Aalto-yliopisto fi
dc.relation.ispartofseries Aalto University publication series DOCTORAL DISSERTATIONS en
dc.relation.ispartofseries 31/2020
dc.relation.haspart [Publication 1]: Munia, H., Guillaume, J.H.A., Mirumachi, N., Porkka, M., Wada, Y., Kummu, M. Water stress in global transboundary river basins: significance of upstream water use on downstream stress. Environmental Research letters, 2016, 11(1), 014002. Full text in Acris/Aaltodoc: http://urn.fi/URN:NBN:fi:aalto-201705114304. DOI: 10.1088/1748-9326/11/1/014002
dc.relation.haspart [Publication 2]: Munia, H., Guillaume, J.H.A., Mirumachi, N., Wada, Y. Kummu, M., 2018. How downstream sub-basins depend on upstream inflows to avoid scarcity: typology and global analysis of transboundary rivers, Hydrology and Earth System Sciences, 2018, 22(5), 2795-2809. Full text in Acris/Aaltodoc: http://urn.fi/URN:NBN:fi:aalto-201806183348. DOI: 10.5194/hess-22-2795-2018
dc.relation.haspart [Publication 3]: Munia, H., Guillaume, J.H.A., Veldkamp, T., Wada, Y., Virkki, V., Kummu, M.: Transboundary water scarcity and its drivers under climate change: a global study, Submitted to Earth’s Future on 17th July 2019 and subsequently accepted for peer review.
dc.subject.other Environmental science en
dc.title Global analyses of drivers of water scarcity indicators in transboundary river basins en
dc.type G5 Artikkeliväitöskirja fi
dc.contributor.school Insinööritieteiden korkeakoulu fi
dc.contributor.school School of Engineering en
dc.contributor.department Rakennetun ympäristön laitos fi
dc.contributor.department Department of Built Environment en
dc.subject.keyword water scarcity en
dc.subject.keyword scarcity analysis en
dc.subject.keyword water use en
dc.identifier.urn URN:ISBN:978-952-60-8961-4
dc.type.dcmitype text en
dc.type.ontasot Doctoral dissertation (article-based) en
dc.type.ontasot Väitöskirja (artikkeli) fi
dc.contributor.supervisor Kummu, Matti, Assoc. Prof., Aalto University, Department of Built Environment, Finland
dc.opn Renaud, Fabrice, Prof., University of Glasgow, UK
dc.contributor.lab Water and Development Research Group en
dc.rev Lehner, Bernhard, Prof., McGill University, Canada
dc.rev Hanasaki, Naota, Dr., National Institute for Environmental Studies, Japan
dc.date.defence 2020-02-21
local.aalto.acrisexportstatus checked 2020-03-21_1410
local.aalto.formfolder 2020_02_06_klo_14_30
local.aalto.archive yes

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