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Published October 16, 2021 | Version 1.7 (16 October 2021)
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Delta Dynamic Integrated Emulator Model

  • 1. University of Southampton
  • 2. British Geological Survey
  • 3. Tyndall Centre for Climate Change Research, University of East Anglia

Description

The aim of the ESPA Deltas project was to provide policy makers with the knowledge and tools to enable them to evaluate the effects of policy decisions on ecosystem services and people's livelihoods. In another word, to link science to policy at the landscape scale. ESPA Deltas investigated the south-west coastal zone of Bangladesh through a transdisciplinary lens.

The Delta Dynamic Integrated Emulator Model (ΔDIEM) is essentially a trans-disciplinary framework designed to analyse linkages between ecosystem services, livelihoods, well-being and governance in coastal Bangladesh. It is designed to support the delta planning in Bangladesh. It is a tightly coupled platform driven by climatic and environmental change, demographic changes, economic changes, household decisions and governance and estimating the resulting wellbeing and poverty of the coastal population. ΔDIEM has built-in water-based structural and policy interventions (e.g. embankment changes, new crops, subsidies, loan structures, etc.) that enables consistent model runs within a robust scenario framework. Thus, development trajectories and their trade-offs can be quantified. 

Notes

This update refines the irrigation water calculations of the extended CROPWAT module and thus as minor/moderate impact on the results.

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Additional details

References

  • Lazar, A. N., D. Clarke, H. Adams, A. R. Akanda, S. Szabo, R. J. Nicholls, Z. Matthews, D. Begum, A. F. M. Saleh, M. A. Abedin, A. Payo, P. K. Streatfield, C. Hutton, M. S. Mondal and A. Z. M. Moslehuddin (2015). "Agricultural livelihoods in coastal Bangladesh under climate and environmental change - a model framework." Environmental Science: Processes & Impacts 17(6): 1018-1031.
  • Payo, A., A. N. Lázár, D. Clarke, R. J. Nicholls, L. Bricheno, S. Mashfiqus and A. Haque (2017). "Modeling daily soil salinity dynamics in response to agricultural and environmental changes in coastal Bangladesh." Earth's Future 5: 495–514.
  • Hutton, C., R. Nicholls, A. N. Lázár, A. Chapman, M. Schaafsma and M. Salehin (2018). "Potential Trade-Offs between the Sustainable Development Goals in Coastal Bangladesh." Sustainability 10(4): 1108.
  • Nicholls, R. J., C. W. Hutton, A. N. Lázár, A. Allan, W. N. Adger, H. Adams, J. Wolf, M. Rahman and M. Salehin (2016). "Integrated assessment of social and environmental sustainability dynamics in the Ganges-Brahmaputra-Meghna delta, Bangladesh." Estuarine and coastal shelf science 183: 370–381.
  • Lázár, A. N., A. Payo, H. Adams, A. Ahmed, A. Allan, A. R. Akanda, F. A. Johnson, E. J. Barbour, S. Biswas, J. Caesar, A. Chapman, D. Clarke, J. A. Fernandes, A. Haque, M. Hossain, A. Hunt, C. W. Hutton, S. Kay, A. Mukhopadhyay, J. R. Nicholls, A. F. M. Saleh, M. Salehin, S. Szabo and P. Whitehead (2018). Integrative analysis applying the Delta Dynamic Integrated Emulator Model in south-west coastal Bangladesh. Ecosystem Services For Well-Being In Deltas: Integrated Assessment For Policy Analysis. R. J. Nicholls, C. W. Hutton, W. N. Adger et al., Palgrave, ISBN 978-3-319-71092-1.
  • Lázár, A. N., S. E. Hanson, J. R. Nicholls, A. Allan, C. W. Hutton, M. Salehin and A. S. Kebede (2019). Chapter 10. Choices: Future Trade-Offs and Plausible Pathways. Deltas in the Anthropocene J. R. Nicholls, N. Adger, C. W. Hutton and S. Hanson, Palgrave McMillan.
  • Rahman, M. M., J. R. Nicholls, S. Hanson, M. Salehin and S. Alam (2019). Integrated assessment of the Bangladesh Delta Plan 2100. Analysis of selected interventions. BUET; Southampton University; GED, Planning Commission, People's Republic of Bangladesh.