Ahmed, A, Drake, F, Nawaz, N et al. (1 more author) (2018) Where is the coast? Monitoring coastal land dynamics in Bangladesh: An integrated management approach using GIS and remote sensing techniques. Ocean and Coastal Management, 151. pp. 10-24. ISSN 0964-5691
Abstract
This paper draws upon the application of GIS and remote sensing techniques to investigate the dynamic nature and management aspects of land in the coastal areas of Bangladesh. The geomorphological characteristic of the coastal areas is highly dynamic where land erosion and accretion with different rates remain a constant phenomenon. This study focuses on three coastal zones: western, central and eastern that comprise the entire coastal area of the country. At its core, this study uses the past 30 year Landsat satellite images. This research reveals that the rate of accretion in the study area is slightly higher than the rate of erosion. Overall land dynamics indicate a net gain of 237 km2 (7.9 km2 annual average) of land in the area for the whole period from 1985 to 2015. The results also demonstrate that the rates of both erosion and accretion are higher in the central zone compared to the western and the eastern zones of the coastal area. This is the first time that the entire coastal areas of Bangladesh have been considered for assessment. This study also recommends that coastal managers, planners and policymakers to consider the identified dynamic trends of coastal land before opting for any specific measure. Constant monitoring using the GIS and remote sensing techniques would be a viable management for this purpose. This study has identified some causes of land dynamics, particularly for the three coastal zones, that might be helpful for policymakers in identifying the nature of interventions needs to be taken for specific coastal zones.
Metadata
Item Type: | Article |
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Authors/Creators: |
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Copyright, Publisher and Additional Information: | (c) 2017 Elsevier Ltd. This is an author produced version of a paper published in Ocean & Coastal Management. Uploaded in accordance with the publisher's self-archiving policy. |
Keywords: | Accretion; Erosion; Geomorphology; Land dynamics; Remote sensing |
Dates: |
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Institution: | The University of Leeds |
Academic Units: | The University of Leeds > Faculty of Environment (Leeds) > School of Geography (Leeds) > SOG: Cities & Social Justice (Leeds) |
Depositing User: | Symplectic Publications |
Date Deposited: | 22 Nov 2017 10:13 |
Last Modified: | 10 Nov 2018 01:38 |
Status: | Published |
Publisher: | Elsevier |
Identification Number: | 10.1016/j.ocecoaman.2017.10.030 |
Open Archives Initiative ID (OAI ID): | oai:eprints.whiterose.ac.uk:124332 |
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