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A sustainable future supply of sediment for the Ganges-Brahmaputra delta?

A sustainable future supply of sediment for the Ganges-Brahmaputra delta?
A sustainable future supply of sediment for the Ganges-Brahmaputra delta?
Recent research highlights that delta submergence is an important issue for the Ganges-Brahmaputra-Meghna (GBM) delta. The only factor that could potentially offset losses in delta surface elevation is a sustainable supply of fluvial sediment. River sediments therefore have considerable economic and social value for ecosystem services and those they support. Analysis, using the HydroTrend model, indicates that an increase in the climate-driven supply of fluvial sediment to the GBM delta has the potential, through accelerated aggradation on the delta surface, to offset some of the adverse impacts of climate change due to rising sea levels in the Bay of Bengal. However, anthropogenic disconnections, such as dams, flood defences and polders disturbances, have the possibility to negatively affect this process.
277-291
Palgarave Macmillan
Darby, Stephen
4c3e1c76-d404-4ff3-86f8-84e42fbb7970
Nicholls, Robert
4ce1e355-cc5d-4702-8124-820932c57076
Rahman, Munsur
dfaeee62-6d84-443b-8362-fabf05517b51
Brown, Sally
dd3c5852-78cc-435a-9846-4f3f540f2840
Karim, Rezaul
3a0b44b3-7ebf-47eb-a4ef-4c209f9640fd
Nicholls, Robert
Hutton, Craig
Adger, Neil
Hanson, Susan
Rahman, Munsur
Salehin, Mashfiqus
Darby, Stephen
4c3e1c76-d404-4ff3-86f8-84e42fbb7970
Nicholls, Robert
4ce1e355-cc5d-4702-8124-820932c57076
Rahman, Munsur
dfaeee62-6d84-443b-8362-fabf05517b51
Brown, Sally
dd3c5852-78cc-435a-9846-4f3f540f2840
Karim, Rezaul
3a0b44b3-7ebf-47eb-a4ef-4c209f9640fd
Nicholls, Robert
Hutton, Craig
Adger, Neil
Hanson, Susan
Rahman, Munsur
Salehin, Mashfiqus

Darby, Stephen, Nicholls, Robert, Rahman, Munsur, Brown, Sally and Karim, Rezaul (2018) A sustainable future supply of sediment for the Ganges-Brahmaputra delta? In, Nicholls, Robert, Hutton, Craig, Adger, Neil, Hanson, Susan, Rahman, Munsur and Salehin, Mashfiqus (eds.) Ecosystem Services for Well-Being in Deltas: Integrated Assessment for Policy Analysis. Cham. Palgarave Macmillan, pp. 277-291. (doi:10.1007/978-3-319-71093-8_15).

Record type: Book Section

Abstract

Recent research highlights that delta submergence is an important issue for the Ganges-Brahmaputra-Meghna (GBM) delta. The only factor that could potentially offset losses in delta surface elevation is a sustainable supply of fluvial sediment. River sediments therefore have considerable economic and social value for ecosystem services and those they support. Analysis, using the HydroTrend model, indicates that an increase in the climate-driven supply of fluvial sediment to the GBM delta has the potential, through accelerated aggradation on the delta surface, to offset some of the adverse impacts of climate change due to rising sea levels in the Bay of Bengal. However, anthropogenic disconnections, such as dams, flood defences and polders disturbances, have the possibility to negatively affect this process.

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More information

e-pub ahead of print date: 30 May 2018
Published date: 2018

Identifiers

Local EPrints ID: 422376
URI: http://eprints.soton.ac.uk/id/eprint/422376
PURE UUID: 98d0f25f-a926-49b4-bdfa-e68622c4c23b
ORCID for Stephen Darby: ORCID iD orcid.org/0000-0001-8778-4394
ORCID for Robert Nicholls: ORCID iD orcid.org/0000-0002-9715-1109
ORCID for Sally Brown: ORCID iD orcid.org/0000-0003-1185-1962

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Date deposited: 23 Jul 2018 16:30
Last modified: 18 Feb 2021 17:11

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Contributors

Author: Stephen Darby ORCID iD
Author: Robert Nicholls ORCID iD
Author: Munsur Rahman
Author: Sally Brown ORCID iD
Author: Rezaul Karim
Editor: Robert Nicholls
Editor: Craig Hutton
Editor: Neil Adger
Editor: Susan Hanson
Editor: Munsur Rahman
Editor: Mashfiqus Salehin

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