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Climate Change, Soil Salinity and Road Maintenance Costs in Coastal Bangladesh

Author

Listed:
  • Susmita Dasgupta

    (World Bank, Washington DC, USA)

  • Md. Moqbul Hossain

    (Soil Research Development Institute, Ministry of Agriculture, Bangladesh)

  • Mainul Huq

    (World Bank, Washington DC, USA)

  • David Wheeler

    (World Resources Institute, Washington DC, USA)

Abstract

The potentially-adverse impact of salinity on paved roads is well-established in the engineering literature. The problem seems destined to grow, as climate-related changes in sea level and riverine flows drive future increases in soil salinity. However, data scarcity has prevented systematic analysis for poor countries. This paper assesses the impact of soil salinity on road maintenance expenditures in the coastal region of Bangladesh. The assessment draws on new panel measures of salinity from 41 stations in coastal Bangladesh, and road maintenance expenditures, income, road network length and road surfaces from 20 coastal municipalities. In a model relating to maintenance expenditure for paved roads to soil salinity, municipal income and road network length, large and significant effects are found for salinity. The regression model is used to predict the effect of within-sample salinity variation on road maintenance expenditure share, holding municipal income and road length constant at sample mean values. Increasing salinity from its sample minimum to its sample maximum increases the predicted road maintenance expenditure share by 252%. The implied welfare impact may also be substantial, particularly for poor households, if diversion of expenditures to road maintenance reduces support for community sanitation, health and other infrastructure-related programs.

Suggested Citation

  • Susmita Dasgupta & Md. Moqbul Hossain & Mainul Huq & David Wheeler, 2015. "Climate Change, Soil Salinity and Road Maintenance Costs in Coastal Bangladesh," Water Economics and Policy (WEP), World Scientific Publishing Co. Pte. Ltd., vol. 1(03), pages 1-21.
    • Handle: RePEc:wsi:wepxxx:v:01:y:2015:i:03:n:s2382624x15500174
    DOI: 10.1142/S2382624X15500174
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    References listed on IDEAS

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    1. David Wheeler, 2011. "Quantifying Vulnerability to Climate Change: Implications for Adaptation Assistance - Working Paper 240," Working Papers 240, Center for Global Development.
    2. Susmita Dasgupta & Mainul Huq & David Wheeler, 2016. "Drinking Water Salinity and Infant Mortality in Coastal Bangladesh," Water Economics and Policy (WEP), World Scientific Publishing Co. Pte. Ltd., vol. 2(01), pages 1-21, March.
    3. Damania,Richard & Wheeler,David J., 2015. "Road improvement and deforestation in the Congo Basin countries," Policy Research Working Paper Series 7274, The World Bank.
    4. World Bank, 2000. "Bangladesh : Climate Change and Sustainable Development," World Bank Publications - Reports 15706, The World Bank Group.
    Full references (including those not matched with items on IDEAS)

    Citations

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    Cited by:

    1. Amirhossein Hassani & Adisa Azapagic & Nima Shokri, 2021. "Global predictions of primary soil salinization under changing climate in the 21st century," Nature Communications, Nature, vol. 12(1), pages 1-17, December.
    2. Md. Sazedur Rahman* & Md. Ashfikur Rahman, 2019. "Impacts of Climate Change on Crop Production in Bangladesh: A Review," Journal of Agriculture and Crops, Academic Research Publishing Group, vol. 5(1), pages 6-14, 01-2019.
    3. Prabal Barua & Syed Hafizur Rahman, 2020. "Resilience Of Agriculture Farmers For Crop Production In Responses To Climate Change Impact On South - Eastern Coast Of Bangladesh," Environment & Ecosystem Science (EES), Zibeline International Publishing, vol. 4(1), pages 28-37, April.
    4. Md Kamrul Hasan & Lalit Kumar, 2020. "Perceived farm-level climatic impacts on coastal agricultural productivity in Bangladesh," Climatic Change, Springer, vol. 161(4), pages 617-636, August.
    5. Khanam, Taznoore & Pede, Valerien O. & Wheatley, W. Parker, 2020. "Climate Change and the Formation of Risk and Time Preferences: A Study of Rice Farmers in Bangladesh," 2020 Annual Meeting, July 26-28, Kansas City, Missouri 304414, Agricultural and Applied Economics Association.
    6. Md Roushon Jamal & Paul Kristiansen & Md Jahangir Kabir & Lisa Lobry de Bruyn, 2023. "Challenges and Adaptations for Resilient Rice Production under Changing Environments in Bangladesh," Land, MDPI, vol. 12(6), pages 1-21, June.
    7. Carcedo, Ana J.P. & Bastos, Leonardo M. & Yadav, Sudhir & Mondal, Manoranjan K. & Jagadish, S.V. Krishna & Kamal, Farhana A. & Sutradhar, Asish & Prasad, P.V. Vara & Ciampitti, Ignacio, 2022. "Assessing impact of salinity and climate scenarios on dry season field crops in the coastal region of Bangladesh," Agricultural Systems, Elsevier, vol. 200(C).
    8. Thiam, Sophie & Villamor, Grace B. & Kyei-Baffour, Nicholas & Matty, François, 2019. "Soil salinity assessment and coping strategies in the coastal agricultural landscape in Djilor district, Senegal," Land Use Policy, Elsevier, vol. 88(C).
    9. Sajid Shokat & Dominik K. Großkinsky, 2019. "Tackling Salinity in Sustainable Agriculture—What Developing Countries May Learn from Approaches of the Developed World," Sustainability, MDPI, vol. 11(17), pages 1-19, August.
    10. KHAN Shohel & MOUSUMI Israth Jahan & BILLAH Mohammad Maruf, 2022. "Crop Production Fluctuation And Agricultural Transformation: Impacts Of Constructing A Closure Dam," Management of Sustainable Development, Lucian Blaga University of Sibiu, Faculty of Economic Sciences, vol. 14(1), pages 30-35, June.
    11. Md. Arif Chowdhury & Rashed Uz Zzaman & Nusrat Jahan Tarin & Mohammad Jobayer Hossain, 2022. "Spatial variability of climatic hazards in Bangladesh," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 110(3), pages 2329-2351, February.

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