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Water Resources Planning Organization
Secretariat to Executive Committee of National Water Resources Council
» Work package 2: Collaborative Research

Work Package-2

Collaborative Applied Research (CAR)

This project comprises of eight work packages or activities, among them Collaborative Applied Research (CAR) is one of the main activity. There are 9 CAR’s designed under this activity of the project. The first Collaborative Applied Research (CAR1)is intended to review the past studies, researches and identify gaps of knowledge in four key themes namely,

 (i) Flood risk and Uncertainty,

 (ii) Geomorphology and Sediments,

 (iii) Water and Food Security and

 (iv) Water Functions and Land use: Scenarios Global Change Impacts.

The four themes have been studied by DWRE-BUET, CEGIS, DIWM-BAU and WARPO respectively. 


The main objective of CAR1 is to identify the agendas of research topics for other CAR(s) like CAR2 to CAR9. The research agenda’s are linked with the research topics being pursued by 4 PhD and MSc candidates and further training opportunities for four organizations.The methodology of CAR1 included four steps– selection of various plans/projects already taken in Bangladesh, analysis, identification of knowledge gaps and proposal of future research questions. At first, selection of various government projects was carried out according to the research themes. Then the analyses of the projects were evaluated according to the project driving forces, responses and expected outcomes. Based on the reviews and analysis of the projects, the knowledge gaps in the existing projects were identified. Finally, the knowledge gaps were presented in the form of research questions, which are the main outputs of CAR1.

(Note: Add  link to lead  the report for download)

CAR 2: land Use Scenario Modelling

The Water Functions and Land Use: Scenarios Global Change Impactssituation of Bangladesh has been studied by WARPO in light of past projects and studies under the project Theme-4. The current thinking with the basis of future driving forces, issues, scenarios and visions in the policy and strategy documents prepared during the last 10-15 years is reviewed in the construction of scenario development for next 50 years. With extensive reviews and analyses of the projects, the following research questions were proposed for further studies under Theme-4 are listed below:

1.      How these Ecosystem Services are changing with land use and why?

2.      How the salinity level changes the land use (shrimp and rice) and affects the poor?

3.      How the climate change, u/s development affects future states of water resources availability?

4.      How surface water and groundwater salinity in the coastal regions affects food and water security?

5.      How the model generates impacts under future flood regime (from Theme 1) in terms of flood levels, duration both inside and outside the FCDs?

In a summary, the flood regime (Theme 1) is expected to changewith the climate change the function of floodplain, wetland, retention area in urban areas is likely to be disturbed and with the land use change (Theme 4). It is critical to understand how the floodplain and water bodies would be spared to accommodate the large inflows from upstream. It is also important to understand how the polders would manage the excess of rainfall under high-water and siltation (Theme 2) at the peripheral rivers. This is very much linked with the scenario to be dealt under delta Plan formulation.

(Note: Add  link to lead progress about CAR2 and  download the report)

CAR 3: Sediment Dispersal and Land Formation Processes In the Meghna Estuary

The Geomorphology and Sedimentssituation of Bangladesh has been studied by CEGIS in light of past projects and studies under the project Theme-2. The studies were broadly divided into three categories: (i) the first type of studies was aimed for planning or implementation projects; (ii) the second type viewed the delta processes from geological aspects and (iii) third type attempted to assess the impacts of climate change on the delta. Based on the research studies and analysis by CEGIS, several research questions have been identified. The research questions for further study under Theme-2 are listed below:

1.      Holocene development of the Bengal delta based on historical date.

2.      Vertical adjustment processes of the tidal plain with rising of RSLR with special attention to the sedimentation rates in the Aila affected areas of the southwest region,

3.      Morphological time-scale of the rivers, estuaries and tidal plain to adjust with the sea level rise and increased flood discharge,

4.      Management of the tidal plain through TRM for combating against sea level rise and subsidence,

5.      Development of a model on the delta development processes.

CAR 4: Impact of Climate Change on Crop Water Requirement and Crop Yield

The Water and FoodSecurity situation of Bangladesh has been studied by DIWM-BAU in light of past projects and studies under the project Theme-3. Despite the growth in food production and its availability, food insecurity is still a major problem in Bangladesh because of the lack of purchasing power and therefore access to food, especially for the ultra poor. The analysis of selected projects and plans based on the major drivers by DIWM-BAUhighlighted some of the present situations. The knowledge gaps lead to the following list of research questions for further study under Theme-3 are listed below:

1.      What are the dynamic climatic parameters that influence crop-water requirement?

2.      What are the future projections of economic development, food habit and food requirement under climate change and population growth?

3.      What will be the possible changes in agro-climatic condition and land use pattern?

4.      What will be the agricultural water demand for different land use scenarios?

5.      What will be the possible crop scenario based on water availability and demand?

CAR 5: Statistical Downscaling of Selected GCM Results for GBM Basin

The first theme ‘Flood Risk and Uncertainty’situation of Bangladesh has been studied by DWRE-BUET in light of past projects under Theme-1.The analyses of the projects under Theme-1 were carried out following the Driving ForcesExpected Outcomes and consequent Response mechanisms. In light of reviews and analyses of the projects, some research questions proposed for further studies under Theme-1 are listed below:

1. What are the main uncertainties regarding flash flood and long range forecasting and how the forecasting performance in these regards can be improved?

2.  What are the implications of future climate changes in flood management of Bangladesh and what should be the return period, considering the vulnerability and economic aspects?

3.  What is the vulnerability of urban areas of Bangladesh under high intensity of rain floods?

4. What would be the best model to develop future scenarios for estimating flood risk of Bangladesh?

5. What are the best flood management schemes for the coastal areas of Bangladesh considering the future climatic scenarios?

CAR 6 will be implemented by WARPO and the titles are -

6.a. Introduction to adaptive strategy formulation with the use of scenarios

6.b Embedding scenario analysis and application in Delta planning processes in Bangladesh.

CAR 7 will be implemented by CEGIS and the title is "Sedimentation Processes in the Rupsa-Pussur System". 

CAR 8 will be implemented by DWIM, BAU and the title is "Climate Change Effects on Groundwater Recharge and Yield".  

CAR 9 will be implemented by DWRE, BUET  and the title is "Scenario development and risk analysis for central coastal zone of Bangladesh due to various coastal challenges".

CAR 10

CAR 11  

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