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Approaches to defining deltaic sustainability in the 21st century

Day, John W. and Agboola, Julius and Chen, Zhongyuan and D’Elia, Christopher and Forbes, Donald L. and Giosan, Liviu and Kemp, Paul and Künzer, Claudia and Lane, Robert R. and Ramachandran, Ramesh and Syvitski, James and Yanez-Arancibia, Alejandro (2016) Approaches to defining deltaic sustainability in the 21st century. Estuarine, Coastal and Shelf Science, 183, B, pp. 275-291. Elsevier. doi: 10.1016/j.ecss.2016.06.018. ISSN 0272-7714.

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Official URL: http://dx.doi.org/10.1016/j.ecss.2016.06.018


Deltas are among the most productive and economically important of global ecosystems but unfortunately they are also among the most threatened by human activities. Here we discuss deltas and human impact, several approaches to defining deltaic sustainability and present a ranking of sustainability. Delta sustainability must be considered within the context of global biophysical and socioeconomic constraints that include thermodynamic limitations, scale and embeddedness, and constraints at the level of the biosphere/geosphere. The development, functioning, and sustainability of deltas are the result of external and internal inputs of energy and materials, such as sediments and nutrients, that include delta lobe development, channel switching, crevasse formation, river floods, storms and associated waves and storm surges, and tides and other ocean currents. Modern deltas developed over the past several thousand years with relatively stable global mean sea level, predictable material inputs from drainage basins and the sea, and as extremely open systems. Human activity has changed these conditions to make deltas less sustainable, in that they are unable to persist through time structurally or functionally. Deltaic sustainability can be considered from geomorphic, ecological, and economic perspectives, with functional processes at these three levels being highly interactive. Changes in this functioning can lead to either enhanced or diminished sustainability, but most changes have been detrimental. There is a growing understanding that the trajectories of global environmental change and cost of energy will make achieving delta sustainability more challenging and limit options for management. Several delta types are identified in terms of sustainability including those in arid regions, those with high and low energyintensive management systems, deltas below sea level, tropical deltas, and Arctic deltas. Representative deltas are ranked on a sustainability range. Success in sustainable delta management will depend on utilizing natural delta functioning and an ecological engineering approach.

Item URL in elib:https://elib.dlr.de/105114/
Document Type:Article
Title:Approaches to defining deltaic sustainability in the 21st century
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Day, John W.Dept. of Oceanography and Coastal Sciences, Louisiana State University, Baton Rouge, LA 70803, USAUNSPECIFIED
Agboola, JuliusDepartment of Marine Sciences, University of Lagos, Akoka, Lagos, NigeriaUNSPECIFIED
Chen, ZhongyuanState Key Laboratory of Estuarine and Coastal Research, East China Normal University, Shanghai 200062, ChinaUNSPECIFIED
D’Elia, ChristopherDept. of Oceanography and Coastal Sciences, Louisiana State University, Baton Rouge, LA 70803, USAUNSPECIFIED
Forbes, Donald L.Geological Survey of Canada, Bedford Institute of Oceanography, P.O. Box 1006, Dartmouth, NS B2Y 4A2, CanadaUNSPECIFIED
Giosan, LiviuDepartment of Geology and Geophysics, Woods Hole Oceanographic Institution, Woods Hole, MA, USAUNSPECIFIED
Kemp, PaulDept. of Oceanography and Coastal Sciences, Louisiana State University, Baton Rouge, LA 70803, USAUNSPECIFIED
Künzer, ClaudiaClaudia.Kuenzer (at) dlr.deUNSPECIFIED
Lane, Robert R.Dept. of Oceanography and Coastal Sciences, Louisiana State University, Baton Rouge, LA 70803, USAUNSPECIFIED
Ramachandran, RameshNational Centre for Sustainable Coastal Management, Anna University, Chennai 600 025, IndiaUNSPECIFIED
Syvitski, JamesUniversity of ColoradoUNSPECIFIED
Yanez-Arancibia, AlejandroInstituto de Ecologia A. C., Red Ambiente y Sustentabilidad, Unidad de Ecosistemas Costeros, Xalapa 91070, MexicoUNSPECIFIED
Journal or Publication Title:Estuarine, Coastal and Shelf Science
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
Volume:183, B
Page Range:pp. 275-291
Keywords:Deltaic sustainability, Wetland Management, Energy scarcity
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Earth Observation
DLR - Research theme (Project):R - Vorhaben Fernerkundung der Landoberfläche (old)
Location: Oberpfaffenhofen
Institutes and Institutions:German Remote Sensing Data Center > Land Surface
Deposited By: Varga, Monica-Marieta
Deposited On:08 Aug 2016 14:41
Last Modified:08 Mar 2018 18:39

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