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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Air pollutant eMissions from AgRiculture optimized by EarTh observaTiOns (AMARETTO)

  • 6 February, 2017
  • Wageningen University, Environmental Systems Analysis
  • prof. dr ir W de Vries
  • dr. M. Schaap

Emissions of ammonia to air from the agricultural sector have large negative societal impacts. Ammonia contributes to eutrophication and acidification of terrestrial and marine ecosystems and loss of biodiversity. Despite its central role in many environmental threats, the uncertainty in agricultural ammonia emissions is large. Recently, the need of temporal explicit emission information was highlighted as the fate of air pollutants after emission is highly dependent on concurring meteorological conditions. We aim to improve the quantification of agricultural ammonia emissions at European scale using earth observation data. Remote sensed data will be used to increase insight in the temporal dynamics of agricultural practices and emissions over the year by adding spatial and temporal resolution, not available through statistical agencies. The data from various satellites provide important variables, such as crop distributions, biomass density, soil moisture, snow cover and surface temperature. The satellites provide direct global observations, as opposed to point measurements. The inherent spatial variability of the observed variables will be reflected in the derived emission distributions. The atmospheric ammonia budget will be modelled using LOTOS-EUROS. We aim to verify the novel emission product using ammonia column data from IASI and CrIS as well as in-situ observations. Finally, we aim to invert ammonia emission strengths from the IASI data with LOTOS-EUROS. The contribution of the agricultural sector to nitrogen deposition in Europe will thus be quantified, being a crucial product in view of biodiversity impacts.

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Xinrui Ge

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Virtual flows of water consumption and pollution related to inter-regional commodity trade

  • 1 September, 2018
  • University of Twente, Water Management Group
  • Krol
  • Wang

With the deteriorating state of freshwater resources due to rising demand and pollution all over the world, it becomes important to address water stress in terms of both quantity and quality. In addition, referred to the concept of virtual water trade, virtual water pollution shifting related to inter-regional commodity trade has rarely been investigated, no mention to the elaboration of water quality stress shifting among regions. This is mainly due to lack of data for pollution releasing to water bodies from different sectors.
The overall objective of this research is to estimate the burdens shifting of both water quantity and quality stress through inter-regional commodity trade, at three spatial levels (river basin, national and global) and over the period 1996-2015. Furthermore, this study will analyze the changes of burden shifting patterns when we increasing the water productivity to the benchmarking levels of different sectors.

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Quenliang Ye

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Agricultural Green Development Pathways for Food and Clean Water in China

  • 9 December, 2019
  • Wageningen University, Water Systems and Global Change; in collaboration with China Agriculture University
  • prof. dr C Kroezeprof. dr F Zhang
  • dr M Strokalprof. dr L Ma

Agriculture often discharges pollutants such as antibiotics into surface and ground water, causing negative effects on nature and society. This study aims to explore future Agricultural Green Development (AGD) pathways for food and clean water in the North China Plain and China in the 21st century. For this, a multi-pollutant model will be developed to quantify inputs of pollutants to surface and ground water today and in the future. AGD pathways integrating optimistic options will be developed to increase the availability of clean water under sustainable agriculture in the North China Plain and China.

The research is carried out in cooperation with China Agriculture University.

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Qi Zhang

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Biodiversity and Foodweb structures in predicted environmental scenarios

  • 20 November, 2019
  • Wageningen University, Marine Animal Ecology
  • prof. dr AJ Murk
  • dr LE Becking

Climate change and human activity has influence coastal global oceans which may has an effect to the shifting in the composition of pelagic and benthic community. A major challenge to marine science is to discern how marine biota will respond to the environmental disruption caused by climate change and eutrophication. However, much research to date has focused on ecological responses of individual species to rising temperature over short time scale. Thus, marine lakes can be used as a model to predict about the marine biota adaptation in the reef as well as to study consequences and mitigation of future coastal perturbations.

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Ludi Aji

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Integrated urban infrastructural transition for food, water and energy nexus in Ilorin, North-Central Nigeria

  • 4 April, 2021
  • Wageningen University, Environmental Technology & Environmental Economics and Resources
  • prof. dr HHM Rijnaarts
  • dr WS Chendr HP Weikard

In recent times, food waste has become a global concern. Of the different types of organic waste, food makes up the largest constituent of municipal solid waste streams. Food waste is difficult to manage because it contains moisture and it is mixed with other waste during collection and disposal. Major source of food waste includes households, market, restaurants, hotels and food processing industries. Nigeria is a developing country challenged with increase population, unsustainable development and resultant complicated and unproductive urban food waste management. Proper food waste management using integrated approaches can contribute significantly towards climate change mitigation and generate resources.

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Halimat Abdul-Rahman

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Impact of large scale implementation of climate smart agricultural interventions on climate resilience of different value chains and farming systems from an agricultural production and environmental perspective

  • 1 April, 2019
  • Wageningen University, Water Systems and Global Change
  • prof. dr F Ludwig
  • dr AME Groot

Climate change in East Africa can potentially have far-reaching consequences for the agriculture sector, management of natural resources and food security. Many farming systems in Africa are currently highly vulnerable to climate variability and change. At the same time there is need to improve agricultural production in East African farming systems. These challenges require a response that integrates improved food security for vulnerable groups with climate adaptation and mitigation of food crop production and supply systems. The adoption of climate smart and ecologically sustainable production methods is essential for improving productivity and resilience of the existing food crop production and supply systems. However, until now there is limited data and information available on the impacts of different climate smart agriculture (CSA) interventions on agricultural production, food security and ecological resilience of the farming systems and larges landscapes. To fill this knowledge and data gap the will to assess the impacts of (large scale) implementation of CSAs on the resilience and ecological sustainability at different scales.

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Thomas Kirina

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