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Validation of Regional Climate Model simulations for the DECCMA project

Authors: Ian Macadam and Tamara Janes

Summary: To inform work on the impacts of future climate change in the Ganges-Brahmaputra-Meghna and Mahanadi deltas, the DECCMA project has run three detailed computer climate model simulations to provide data representing how the climate of south Asia might change as the 21st century progresses. However, climate models are not perfect representations of the real climate. This working paper reveals realistic aspects of the modelling and highlights some potential deficiencies that may be relevant to its use in the assessment of climate change impacts. It presents a brief comparison of the output of the modelling with observational temperature and precipitation datasets

Selection of climate model simulations for the DECCMA project

Authors: Tamara Janes & Ian Macadam

Summary: In assessing the impacts of future climate change in the Ganges-Brahmaputra-Meghna, Mahanadi and Volta deltas, the DECCMA project uses information on how the climate of the relevant river basins and coastlines might change as the 21st century progresses. However, future climate changes cannot be known precisely and have a degree of uncertainty. A practical approach to account for this uncertainty is to consider a limited number of plausible scenarios for future climate changes. This working paper describes how, for each area of interest, three different but plausible scenarios for future climate change were obtained from results from computer climate model simulations.

Observed Adaptation in Deltas

Authors: Emma L. Tompkins, Natalie Suckall, Katharine Vincent, Rezaur Rahman, Adelina Mensah, Tuhin Ghosh, Somnath Hazra,

Summary: [This Working Paper accompanies the DECCMA Delta Adaptation Inventory.] This paper reviews the observed adaptations in the three DECCMA deltas: the Volta in Ghana, the Mahanadi in India, and the Ganges-Brahmaputra-Meghna in India and Bangladesh. It first describes the method used to collate the evidence of adaptations, then presents the raw data collected within the DECCMA project, as well as the limitations of the inventory before we draw some general conclusions.

DECCMA Delta Adaptation Inventory

Authors: Emma L. Tompkins, Natalie Suckall, Katharine Vincent, Rezaur Rahman, Adelina Mensah, Tuhin Ghosh, Somnath Hazra

Summary: This inventory contains 122 documented examples of observed adaptations from DECCMA's four study sites. Of these, 93 relate to the Ganges Brahmaputra Meghna delta (85 from Bangladesh and 8 from the Indian Bengal Delta), 14 refer to the Mahanadi Delta (India), and 15 to the Volta Delta (Ghana) Please refer to the associated Working Paper for further interpretation of the dataset. For more information about any country dataset, please contact the relevant co-author of this paper.

Review of migration and resettlement in Bangladesh: effects of climate change and its impact on gender roles

Authors: Anwara Begum

Summary: After the successful completion of the sixth five-year plan (2010-2015), Bangladesh has been promoted to a lower-middle income country. However, this was just one of the many goals that were set – many other goals have not been successfully achieved. Bangladesh still faces several crises on multiple fronts. The majority of the population still lies in rural areas that are prone to natural disasters. The rising population and the quest for rapid urbanization (which causes people to move into the major urban centers – namely Dhaka and Chittagong) are two major issues which need to be addressed immediately. Problems pertaining to climate change, gender roles, migration and resettlement still persist. Such issues create the driving force for migration and resettlement into newer surroundings – surroundings that potentially offer better livelihoods and safety.

Hazard and Risk Profiling - An Analysis of GBM Delta

Authors: Rubaiya Kabir Orchi, Momtaz Jahan, Dewan Sadia Karim

Summary: Ganga-Brahmaputra-Meghna (GBM) delta is a dynamic low-lying area resulting from the interaction between the rivers forming the delta, upstream catchment areas and receiving oceans. It is typically hot spot of biodiversity and provides ample natural resources and area of intensive agricultural production and high population. At the same time, it is highly vulnerable to environmental hazards such as floods, erosion, storm surges and salinity intrusion. It’s sustainability is under threat due to the consequences of global environmental change and human interventions.

The State of Governance of Climate Change Adaptation in Coastal GBM Districts of Bangladesh

Authors: Md. Rashed Alam Bhuiyan, Prodip K. Das

Summary: This poster examines the governance of adaptations programs of government, NGOs, and affected communities of 4 coastal district of Bangladesh. An assessment is based on peoples’ perception.

A Review of Adaptation Policies to Climate Change: Insights from Mahanadi Delta, Odisha

Authors: Sumanta Banerjee, Somnath Hazra, Tuhin Ghosh, RN Samal

Summary: The impacts of climate change are being felt across the globe. Climate change reduces the resilience and increases the human vulnerability. The poor and marginalized sections of the society are more vulnerable to climate variability and change. Thus, those with least resources have least capacity to adapt and are most vulnerable. Thus, it is imperative to understand and review the adaptation strategies.

Takeaways from State Level Survey on 'Barriers to Policy Implementation in the Context of Adaptation' in Indian Bengal Delta (IBD)

Authors: Sukanya Banerjee

Summary: A total of 19 participants in the mentioned survey in IBD represented 11 government departments, academia, Chambers of Commerce, Bar Council and NGOs/CBOs. The West Bengal State Action Plan on Climate Change (2012) emerged as the most well known document amongst the participants of the survey. They all opined that this action plan is a good one which could help people adapt better in the vulnerable IBD, if it could be implemented better.

Women's Perspectives of Coastal Erosion and Planned Relocation in Mahanadi Delta - A Case Study of Satbhaya, Odisha

Authors: Jasmine Giri

Summary: Coastal erosion and salt water intrusion is a global reality in the present times. The coast of the Rajnagar block in Kendrapada district of India is one such affected area. So a planned relocation by the Government of Odisha, of the affected families of the Satbhaya Gram Panchayat of Kendrapada district to Bagapatia under Gupti Panchayat is underway. The poster is based on women’s voices.

Total Results:103

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