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Mainstreaming Decentralization and Collaboration in Disaster Risk Management:Insights from Coastal Bangladesh

International Journal of Disaster Risk Science 2023年第3期14卷 382-397页

作者： mohammad abdul quader Amanat Ullah Khan Md.abdul Malak Matthieu Kervyn Department of Geography Earth System ScienceVrije Universiteit Brussel1050 BrusselsBelgium Department of Geography and Environment Jagannath UniversityDhaka 1100Bangladesh Department of Geography and Environment Dhaka UniversityDhaka 1000Bangladesh Department of Environmental Science Bangladesh University of ProfessionalsDhaka 1216Bangladesh

Bangladesh is renowned in disaster risk reduction(DRR)for active involvement of community people and local disaster management institutions in DRR *** study aimed to describe the disaster risk management(DRM)institutions and assess their functioning in six coastal unions across the three coastal zones of *** qualitative and quantitative research approaches were *** study focused on two key local institutions—the Union Disaster Management Committees(UDMCs)and the Cyclone Preparedness Program(CPP)—functioning at the union level in *** institutions have both horizontal and vertical collaborations with other ***,we argue that the UDMCs'external dependencies in their functioning indicate their limited financial and administrative autonomy,which is a barrier to successfully institutionalizing disaster *** results show that the CPP is the most successful program,markedly increasing the trust of the people in warning dissemination and evacuation efforts in the event of a *** the adoption of decentralized risk management systems has resulted in significant progress in increased rate of evacuation and reduced death rate and damage,lack of funding and equipment,limited coordination between institutions,lack of skilled and knowledgeable workforce,and inappropriate power structures may reduce the effectiveness of DRR activities prior to,during,and following disasters.

关键词： Coastal Bangladesh Cyclone preparedness program(CPP) Decentralization Disaster risk governance Institutional linkage Union disaster management committee(UDMC)

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Soret and Dufour Effects on Unsteady Free Convection Fluid Flow in the Presence of Hall Current and Heat Flux

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Journal of Applied Mathematics and Physics 2021年第7期9卷 1611-1638页

作者： abdul quader Md. Mahmud Alam Department of Mathematics and Natural Sciences School of Data and Sciences BRAC University Dhaka Bangladesh Mathematics Discipline Science Engineering and Technology School Khulna University Khulna Bangladesh

Unsteady MHD natural convective heat and mass transfer flow through a semi-infinite vertical porous plate in a rotating system have been investigated with the combined Soret and Dufour effects in the presence of Hall current and constant heat flux. It is considered that the porous plate is subjected to constant heat flux. The obtained non-dimensional, non-similar coupled non-linear and partial differential equations have been solved by explicit finite difference technique. Numerical solutions for velocities, temperature and concentration distributions are obtained for various parameters by the above mentioned technique. The local and average shear stresses, Nusselt number as well as Sherwood number are also investigated. The stability conditions and convergence criteria of the explicit finite difference scheme are established for finding the restriction of the values of various parameters to get more accuracy. The obtained results are illustrated with the help of graphs to observe the effects of various legitimate parameters.

关键词： Soret and Dufour Effects on Unsteady Free Convection Fluid Flow in the Presence of Hall Current and Heat Flux

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