Search Results for: item/10864860/PhD-position-Global-flood-risk-assessment-and-behavioural-modelling-VU-Amsterdam/page/49/www.linkedin.com/in/apoorva-seeram

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Shedding light on cloud shadows

  • 1 March, 2020
  • Wageningen University, Meteorology and Air Quality
  • prof. dr J Vilà-Guerau de Arellano
  • dr ir CC van Heerwaardendr BG Heusinkveld

Designing, performing and analysing field experiments to observe cloud shadows at high spatial and temporal resolution. The goal is to understand the interaction of clouds with sunlight and provide verification data for state-of-the-art weather and radiation models.

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Wouter Mol

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Assessing biological stability of drinking water treated by reverse osmosis and remineralisation. Method development and application

  • 9 December, 2021
  • 14:30
  • IHE Delft, Water Supply
  • Prof. Walter van der MeerProf. Maria D. Kennedy
  • Dr. Sergio Salinas Rodriguez

Water supply utilities aim at providing biologically safe and stable drinking water that does not support extensive bacterial growth during distribution, to prevent health-related risks and operational problems. In the Netherlands, where no disinfectant residual is applied, multi-barrier water treatment strategies are followed to control bacterial growth. Therefore, membrane filtration, e.g., reverse osmosis (RO), is considered to achieve this aim, where considerable removal of bacterial growth-promoting nutrients has been reported. However, remineralisation of RO permeate is required to add the essential minerals for human consumption, e.g., calcium and magnesium.

The focus of this thesis was (i) further developing the existing method to measure bacterial growth potential (BGP) to be applicable for ultra-low nutrient water such as RO permeate, taking into consideration the sensitivity of such water to external contamination during test procedures, and (ii) applying the developed method in a current water treatment plant, which showed that the bacterial growth in drinking water could be reduced by >75% after applying RO filtration compared with the existing conventional treatment technologies. This was attributed to the significant reduction in nutrients such as carbon and phosphate (>99%) with RO filtration. Moreover, the results showed that remineralisation adversely affect the RO permeate quality.

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Mohaned Sousi

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Dominance within aquatic plant communities: the mechanismes explaining coexistence, excursion, and invasion

  • 1 January, 2006
  • Wageningen University, Aquatic Ecology and Water Quality Management
  • prof. dr M Scheffer
  • dr ETHM Peeters
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Rosalie Léonard

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Economic Analysis of Integrated Water Management Projects in the Developing World

  • 1 May, 2020
  • VU University Amsterdam, Institute for Environmental Studies (IVM)
  • Prof. Roy Brouwer
  • Dr S. Balasubramanya
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Archisman Mitra

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Beating the Blues by Floc & Lock

  • 3 June, 2022
  • 11:00
  • Wageningen University, Aquatic Ecology and Water Quality Management
  • Dr.ir. M.F.L.L. W. Lürling
  • Prof.dr. M. Manzi Marinho

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Frank van Oosterhout

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Integrated water resources management: A systems perspective of water governance and hydrological conditions

  • 26 August, 2021
  • 11:00
  • IHE Delft, Land & Water Management
  • prof. dr ir CMS de Fraiture
  • dr I Masih

This thesis presents analysis of the status of IWRM implementation along with the challenges with regards to policy and institutional measures as well as the required basin information and management instruments. The research entailed a detailed analysis of water resources systems based on a case study from the Awash River Basin in Ethiopia, covering the historical and present state of the challenges and gaps in policies, institutional arrangements and management instruments. The status quo of practical water management, implications of plausible management alternatives in terms of their impact to future water availability, demand fulfilment, patterns of use, and sustainability of the environment were examined. Moreover, the interlinkages and dynamics between key water dependent resources sectors, broadly categorized into water, energy, food, and ecosystems (WEFE) was explored to identify key tradeoffs and synergies. This was deliberated as to improving the synchronization of sectoral plans and resources management programs, thereby fast-tracking the coordination process in IWRM. Overall, the research provides a clearer understanding of the system-wide problems, structural challenges and possible future consequences regarding the management and sustainability of the entire water resource system. Ultimately the purpose is to set in motion new strategies and mechanisms to improve the implementation of the currently applied IWRM framework in the context of the SDGs.

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Adey Nigatu Mersha

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