2018 Abstract Volume

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Identifying impacts of private sector water abstractions: A Kenyan application Presenting Author: Co-Authors: Prof. Julien Harou, University of Manchester, United Kingdom Dr. Stephen Knox, University of Manchester, United Kingdom Dr. Anthony Hurford, University of Manchester, United Kingdom Dr. Jeremiah Kiptala, Jomo Kenyatta University of Agriculture and Technology (JKUAT), Kenya Prof. Bancy Mati, Jomo Kenyatta University of Agriculture and Technology (JKUAT), Kenya Keywords water stewardship, abstraction, river basin simulation, ecological impacts, environmental flows Highlights • River basin simulation is an effective way for private abstractors to evaluate their risks and impacts on the watershed • Current risks, and those under future supply or demand scenarios can be investigated. • We demonstrate an online simulation portal for private and public water managers to share data and analysis. Introduction and objectives Private sector water users would benefit from being able to cost effectively evaluate their water supply risks and impact on the wider watershed. Water resources river basin simulation models can achieve both aims, but typically require a range of public and private data and take years to build and calibrate, making them inappropriate for most private abstractors. This UK funded project, in collaboration with WWF and M&S, aims to prototype an efficient and cost effective way for private and public sector water users in a basin to jointly build water system understanding and evaluate risks and opportunities. Methodology approach The proposed approach links a generic open-source simulation model to an abstraction license (water rights) database and a secure online geographic interface with varying levels of data access. The goal is to make it easier to build, share and update data and models between private and public water managers. The simulator is provided estimates of hydrological flows, either from global models, calibrated basin models or gauged data. The data access structure is designed so that a river basin agency can grant individual access to abstractors, to evaluate and save scenarios, without them accessing other private license data. Analysis and results A proof of concept application of the tool is applied to an upper subcatchment of Kenya’s Tana River Basin. A hydrological model and abstractor database for the area exist. The basin has overabstraction issues and potentially unauthorised abstractions. Our collaborating partner, the Water Resources Authority (WRA) of Kenya, would like to better make use of their abstraction license database in understanding current abstraction and authorising further future licenses. At present it is not easy to consider the interactions between various uses, their cumulative impacts, impacts on environmental flows and implications of future policy- or asset-based We are collaborating with WRA to define their needs and requests and design a access mode for external organisations such as private abstractors. The river basin model and the licensing database are linked so that individual abstractors can better understand risks and opportunities. Although water quality and flooding could be relevant, initially water supply assessment is the focus. Seminar: Industry’s role in ecosystem and watershed management 92
Conclusions and recommendation Providing a means for water users to use modelled and observed data alongside their own permitting data to understand their water supply risks and impacts on other abstractors and ecosystems would be beneficial. The ability to assess the impacts of different future water supply or demand scenarios would be a valuable extension. This proof of concept application aims to assess technical issues, obtain feedback from the water stewardship community and produce a working online prototype for the Tana basin case. Seminar: Industry’s role in ecosystem and watershed management 93
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Seminar: Tapping into collective wi
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An alternative gender analytical ap
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Circular economy practices for exot
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Gendered approach in capitalising o
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‘Green Lady of Bihar’ and susta
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Human rights to water and sanitatio
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Integrating indigenous and scientif
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Monitoring SDGs 6, 5 and 14 through
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What gets measured (by women), gets
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Women, SDGs and climate related ada
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Seminar: IWRM and ecosystem based a
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Assessing the effectiveness of wate
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Assessing the interconnectedness of
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Can you sue a river? Legal rights a
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Effective stakeholder participation
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Environmental paradigm and water ma
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IWRM and ecosystem, the gap between
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Participatory ecosystem management
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Reducing uncertainty in ecosystem b
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Page 91: The fact that 88% of SMEs suppliers
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Seminar: Is there such thing as inn
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Adaptive PES: Financing sustainable
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Economic and financial instruments
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Establishing a trans-provincial eco
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Financial sustainability of watersh
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How to upscale financing for ecosys
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miParamo, environmental financing m
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Strengthening enabling conditions f
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Seminar: Investing in freshwater ec
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Balancing built and natural infrast
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Conserving the Lake Tana ecosystem
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Integrating water and energy bills
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Investing in aquatic ecosystems and
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Investing in free-flowing rivers: A
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Making freshwater biodiversity in t
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Private sector engagement with supp
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Understanding freshwater biodiversi
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Water community providers, ecosyste
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Wetworking: A participatory network
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Willingness to accept: Enticing lan
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Seminar: Ecosystems in an urbanisin
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Conclusions and recommendation For
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Conclusions and recommendation Wate
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Integrated approach for blue/green
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Integrating green infrastructure in
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Integrating land use and water mana
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Is really ecosystem development han
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Let nature do the work in the Stock
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Conclusions and recommendation The
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Conclusions and recommendation Our
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The ecosystem in Gaza Strip between
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2018 Abstract Volume

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