Integrated socio-hydrological dynamics and stakeholder views to develop conceptual water flows and salinity patterns for a polder system in coastal Bangladesh
Polder systems in the Ganges delta in Bangladesh sustain intensive agricultural production and the livelihoods of about eight million people. These low-lying islands, composed mainly of alluvial sediment deposits, are critical in reducing environmental vulnerabilities against coastal erosion, flood...
| Autores principales: | , , , , , , , , |
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| Formato: | Resumen |
| Lenguaje: | Inglés |
| Publicado: |
2024
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| Materias: | |
| Acceso en línea: | https://hdl.handle.net/10568/168887 |
| _version_ | 1855519205253709824 |
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| author | Jampani, Mahesh Mizan, Syed Adil Hasib, Md. R. Nesaruddin, Md. Mondal, M. K. Sena, Dipaka Ranjan Mazid-UL Haque, T. Alam, R. Matheswaran, Karthikeyan |
| author_browse | Alam, R. Hasib, Md. R. Jampani, Mahesh Matheswaran, Karthikeyan Mazid-UL Haque, T. Mizan, Syed Adil Mondal, M. K. Nesaruddin, Md. Sena, Dipaka Ranjan |
| author_facet | Jampani, Mahesh Mizan, Syed Adil Hasib, Md. R. Nesaruddin, Md. Mondal, M. K. Sena, Dipaka Ranjan Mazid-UL Haque, T. Alam, R. Matheswaran, Karthikeyan |
| author_sort | Jampani, Mahesh |
| collection | Repository of Agricultural Research Outputs (CGSpace) |
| description | Polder systems in the Ganges delta in Bangladesh sustain intensive agricultural production and the livelihoods of about eight million people. These low-lying islands, composed mainly of alluvial sediment deposits, are critical in reducing environmental vulnerabilities against coastal erosion, flood inundation, and saltwater intrusion. The anthropogenic pressures from humans have significantly altered natural hydrological processes in this delta system, leading to numerous emerging problems. These challenges include the evolution of river channels and floodplains, water logging, sea-level rise, tidal surges, and salinity intrusion, all of which impact crop yields, agricultural productivity, and freshwater availability. With more than 160 polders spread across the region, they are predominantly used for rice cultivation in the wet season and rabi crop cultivation in the dry season. Our research aims to understand these complex dynamics of the polder system by appraising the stakeholders’ perspectives and socio-hydrological characteristics of a polder near Khulna in coastal Bangladesh. We employed a range of primary and secondary data sources, including hydrological and water quality data, inputs from government stakeholders through a workshop, and farmers' views via semi-structured surveys, and reviewed relevant literature to analyze polder heterogeneity and social dynamics. Our findings highlight the complex interplay of water availability, water use, seasonal variability, and farmers' and government stakeholder perceptions within the polder system. These insights provide a foundation for implementing a comprehensive socio-hydrological framework, which is crucial for addressing the challenges faced by the Ganges delta region. Furthermore, the results provide valuable insights into mechanisms influencing water balance, saline water intrusion or intake, crop production, livelihood and seasonal cropping practices, and dependency on groundwater during the dry season. These results can aid decision-makers in enhancing water and salinity management in these polders. |
| format | Abstract |
| id | CGSpace168887 |
| institution | CGIAR Consortium |
| language | Inglés |
| publishDate | 2024 |
| publishDateRange | 2024 |
| publishDateSort | 2024 |
| record_format | dspace |
| spelling | CGSpace1688872025-07-23T18:05:32Z Integrated socio-hydrological dynamics and stakeholder views to develop conceptual water flows and salinity patterns for a polder system in coastal Bangladesh Jampani, Mahesh Mizan, Syed Adil Hasib, Md. R. Nesaruddin, Md. Mondal, M. K. Sena, Dipaka Ranjan Mazid-UL Haque, T. Alam, R. Matheswaran, Karthikeyan water flow salinity polders coastal areas stakeholders Polder systems in the Ganges delta in Bangladesh sustain intensive agricultural production and the livelihoods of about eight million people. These low-lying islands, composed mainly of alluvial sediment deposits, are critical in reducing environmental vulnerabilities against coastal erosion, flood inundation, and saltwater intrusion. The anthropogenic pressures from humans have significantly altered natural hydrological processes in this delta system, leading to numerous emerging problems. These challenges include the evolution of river channels and floodplains, water logging, sea-level rise, tidal surges, and salinity intrusion, all of which impact crop yields, agricultural productivity, and freshwater availability. With more than 160 polders spread across the region, they are predominantly used for rice cultivation in the wet season and rabi crop cultivation in the dry season. Our research aims to understand these complex dynamics of the polder system by appraising the stakeholders’ perspectives and socio-hydrological characteristics of a polder near Khulna in coastal Bangladesh. We employed a range of primary and secondary data sources, including hydrological and water quality data, inputs from government stakeholders through a workshop, and farmers' views via semi-structured surveys, and reviewed relevant literature to analyze polder heterogeneity and social dynamics. Our findings highlight the complex interplay of water availability, water use, seasonal variability, and farmers' and government stakeholder perceptions within the polder system. These insights provide a foundation for implementing a comprehensive socio-hydrological framework, which is crucial for addressing the challenges faced by the Ganges delta region. Furthermore, the results provide valuable insights into mechanisms influencing water balance, saline water intrusion or intake, crop production, livelihood and seasonal cropping practices, and dependency on groundwater during the dry season. These results can aid decision-makers in enhancing water and salinity management in these polders. 2024-12-12 2025-01-13T09:36:20Z 2025-01-13T09:36:20Z Abstract https://hdl.handle.net/10568/168887 en Open Access Jampani, Mahesh; Mizan, Syed Adil; Hasib, Md. R.; Nesaruddin, Md.; Mondal, M. K.; Sena, Dipaka Ranjan; Mazid-UL Haque, T.; Alam, R.; Matheswaran, Karthikeyan. 2024. Integrated socio-hydrological dynamics and stakeholder views to develop conceptual water flows and salinity patterns for a polder system in coastal Bangladesh [Abstract only]. Paper presented at the American Geophysical Union Annual Meeting 2024 (AGU24) on What’s Next for Science, Washington, DC, USA, 9-13 December 2024. 1p. |
| spellingShingle | water flow salinity polders coastal areas stakeholders Jampani, Mahesh Mizan, Syed Adil Hasib, Md. R. Nesaruddin, Md. Mondal, M. K. Sena, Dipaka Ranjan Mazid-UL Haque, T. Alam, R. Matheswaran, Karthikeyan Integrated socio-hydrological dynamics and stakeholder views to develop conceptual water flows and salinity patterns for a polder system in coastal Bangladesh |
| title | Integrated socio-hydrological dynamics and stakeholder views to develop conceptual water flows and salinity patterns for a polder system in coastal Bangladesh |
| title_full | Integrated socio-hydrological dynamics and stakeholder views to develop conceptual water flows and salinity patterns for a polder system in coastal Bangladesh |
| title_fullStr | Integrated socio-hydrological dynamics and stakeholder views to develop conceptual water flows and salinity patterns for a polder system in coastal Bangladesh |
| title_full_unstemmed | Integrated socio-hydrological dynamics and stakeholder views to develop conceptual water flows and salinity patterns for a polder system in coastal Bangladesh |
| title_short | Integrated socio-hydrological dynamics and stakeholder views to develop conceptual water flows and salinity patterns for a polder system in coastal Bangladesh |
| title_sort | integrated socio hydrological dynamics and stakeholder views to develop conceptual water flows and salinity patterns for a polder system in coastal bangladesh |
| topic | water flow salinity polders coastal areas stakeholders |
| url | https://hdl.handle.net/10568/168887 |
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