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Carbon Emission from Dredging Activities in Land Reclamation Developments: the Case of Jakarta Bay Indonesia

N. S. Slamet, School of Earth and Environmental Sciences, The University of Queensland, Steele Building Room 318A, St Lucia Qld 4072, Australia, P. Dargusch, D. Wadley, A. A. Aziz, Ministry of Public Works and Housing, Jakarta 12110, Indonesia, School of Earth and Environmental Sciences, The University of Queensland, Steele Building Room 318A, St Lucia Qld 4072, Australia, School of Earth and Environmental Sciences, The University of Queensland, Steele Building Room 318A, St Lucia Qld 4072, Australia, School of Agriculture and Food Sciences, The University of Queensland, St Lucia Qld 4072, Australia
2020 Journal of Environmental Informatics Letters  

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Plans for land reclamation across Indonesia will involve four to fourteen times the country's total 2015 sand consumption. The impacts of marine and estuarine dredging to supply major projects of this type have been neglected in carbon accounting to date. This article provides a preliminary estimate of the operation and emissions of various Trailing Suction Hopper Dredgers (TSHDs) in extracting material from quarries and depositing it to appropriate sites. Four phases of the dredging cycle and
more » ... peed-power proportions from maximum engine capacities are simulated to obtain the total and per phase emissions. Sailing contributes most (37 to 55% of the total dredging) emissions, but also exhibits significant variability compared with other phases. Decreases in the speed-power proportions lower emissions, but increase the overall dredging duration. Sailing emissions can be reduced markedly by restricting the travel distance between quarry and reclamation site.
doi:10.3808/jeil.202000034 fatcat:yx7fgxftbfcafni4euldmclj4i
Citation

N. S. Slamet, School of Earth and Environmental Sciences, The University of Queensland, Steele Building Room 318A, St Lucia Qld 4072, Australia, P. Dargusch, D. Wadley, A. A. Aziz, Ministry of Public Works and Housing, Jakarta 12110, Indonesia, School of Earth and Environmental Sciences, The University of Queensland, Steele Building Room 318A, St Lucia Qld 4072, Australia, School of Earth and Environmental Sciences, The University of Queensland, Steele Building Room 318A, St Lucia Qld 4072, Australia, School of Agriculture and Food Sciences, The University of Queensland, St Lucia Qld 4072, Australia. "Carbon Emission from Dredging Activities in Land Reclamation Developments: the Case of Jakarta Bay Indonesia." Journal of Environmental Informatics Letters (2020)