Articles | Volume 7, issue 3
https://doi.org/10.5194/esurf-7-773-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/esurf-7-773-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
A global delta dataset and the environmental variables that predict delta formation on marine coastlines
Rebecca L. Caldwell
CORRESPONDING AUTHOR
Department of Earth and Atmospheric Sciences, Indiana University,
Bloomington, IN 47401, USA
Chevron Energy Technology Company, Chevron Corporation, Houston,
TX 77002, USA
Douglas A. Edmonds
Department of Earth and Atmospheric Sciences, Indiana University,
Bloomington, IN 47401, USA
Sarah Baumgardner
Chevron Energy Technology Company, Chevron Corporation, Houston,
TX 77002, USA
Department of Earth Sciences, University of Minnesota, Minneapolis,
MN 55455, USA
Chris Paola
Department of Earth Sciences, University of Minnesota, Minneapolis,
MN 55455, USA
Samapriya Roy
Department of Geography, Indiana University, Bloomington, IN 47401, USA
Jaap H. Nienhuis
Department of Physical Geography, Utrecht University, Utrecht, the Netherlands
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- Downstream Controls on Coastal Plain River Avulsions: A Global Study L. Colombera & N. Mountney 10.1029/2022JF006772
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- Resilience of River Deltas in the Anthropocene A. Hoitink et al. 10.1029/2019JF005201
- Optimized regulation of the Vistula River at its connection to the sea G. Cerkowniak et al. 10.1016/j.csr.2024.105244
- Hidden delta degradation due to fluvial sediment decline and intensified marine storms Q. Zhu et al. 10.1126/sciadv.adk1698
- Reply to: Concerns about data linking delta land gain to human action J. Nienhuis et al. 10.1038/s41586-022-05625-w
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- Fires, floods and other extreme events – How watershed processes under climate change will shape our coastlines J. Warrick et al. 10.1017/cft.2022.1
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43 citations as recorded by crossref.
- Global riverine land-to-ocean carbon export constrained by observations and multi-model assessment M. Liu et al. 10.1038/s41561-024-01524-z
- The relationship between ecosystem services and human modification displays decoupling across global delta systems M. Reader et al. 10.1038/s43247-022-00431-8
- Downstream Controls on Coastal Plain River Avulsions: A Global Study L. Colombera & N. Mountney 10.1029/2022JF006772
- Coastal flooding will disproportionately impact people on river deltas D. Edmonds et al. 10.1038/s41467-020-18531-4
- Distribution of landforms and buried sedimentary deposits during the growth of the Aceh River delta (Sumatra, Indonesia) S. Chapkanski et al. 10.1080/17445647.2022.2139203
- Investigation of the physical-geographical characteristics of river delta with geophysical and satellite data. The case study of Pineios River, Greece G. Mitsika et al. 10.1016/j.mex.2023.102033
- More extensive land loss expected on coastal deltas due to rivers jumping course during sea-level rise A. Chadwick et al. 10.1073/pnas.2119333119
- Changes in river systems and relevant hydrological responses in the Yangtze River Delta, China Z. Lin et al. 10.1007/s44218-023-00032-8
- Resilience of River Deltas in the Anthropocene A. Hoitink et al. 10.1029/2019JF005201
- Optimized regulation of the Vistula River at its connection to the sea G. Cerkowniak et al. 10.1016/j.csr.2024.105244
- Hidden delta degradation due to fluvial sediment decline and intensified marine storms Q. Zhu et al. 10.1126/sciadv.adk1698
- Reply to: Concerns about data linking delta land gain to human action J. Nienhuis et al. 10.1038/s41586-022-05625-w
- The Relationship Between Delta Form and Nitrate Retention Revealed by Numerical Modeling Experiments D. Knights et al. 10.1029/2021WR030974
- Accommodation and sediment‐supply controls on clastic parasequences: A meta‐analysis L. Colombera et al. 10.1111/sed.12728
- Continental freshwater discharge influences sea surface salinity variability near world’s megadeltas F. Khadim et al. 10.1073/pnas.2412551121
- Effects of upstream conditions on digitate shallow-water delta morphology Z. Xu et al. 10.1016/j.marpetgeo.2021.105333
- Nitrate Removal Across Ecogeomorphic Zones in Wax Lake Delta, Louisiana (USA) D. Knights et al. 10.1029/2019WR026867
- Large deltas, small deltas: Toward a more rigorous understanding of coastal marine deltas J. Syvitski et al. 10.1016/j.gloplacha.2022.103958
- First‐Order River Delta Morphology Is Explained by the Sediment Flux Balance From Rivers, Waves, and Tides C. Broaddus et al. 10.1029/2022GL100355
- What could form a 35-km lineament of carbonate mounds on the ocean floor? R. Ramos et al. 10.1016/j.marpetgeo.2023.106239
- The qualitative and quantitative classification of modern clastic marginal-marine depositional systems, Trinidad S. Khan et al. 10.2110/jsr.2020.119
- Morphological evolution of the channel-shoal system in the South Channel of the Changjiang Estuary during 1958–2018: Causes and future trends H. Luan et al. 10.1007/s11442-022-2048-8
- Rivers: Linking nature, life, and civilization H. Wang & G. He 10.1002/rvr2.7
- Down‐delta hydraulic geometry and its application to the rock record O. Prasojo et al. 10.1111/sed.13062
- Fires, floods and other extreme events – How watershed processes under climate change will shape our coastlines J. Warrick et al. 10.1017/cft.2022.1
- The role of fluvial and tidal currents on coal accumulation in a mixed‐energy deltaic setting: Pinghu Formation, Xihu Depression, East China Sea Shelf Basin W. Shen et al. 10.1111/sed.13133
- Slope Break and Avulsion Locations Scale Consistently in Global Deltas O. Prasojo et al. 10.1029/2021GL093656
- Fluvial and coastal landform changes in the Aceh River delta (northern Sumatra) during the century leading to the 2004 Indian Ocean tsunami S. Chapkanski et al. 10.1002/esp.5292
- Internal Architectural Patterns of Bar Fingers Within Digitate Shallow-Water Delta: Insights from the Shallow Core, GPR and Delft3D Simulation Data of the Ganjiang Delta, China Z. Xu et al. 10.2113/2022/9120724
- Sensitivity of Subsurface Permeability in Coastal Deltas to Their Morphodynamic and Geomorphic Characteristics A. Anderson et al. 10.1029/2022WR034136
- Sediment delivery to sustain the Ganges-Brahmaputra delta under climate change and anthropogenic impacts J. Raff et al. 10.1038/s41467-023-38057-9
- Floodplain Connecting Channels as Critical Paths for Hydrological Connectivity of Deltaic River Networks W. Gao et al. 10.1029/2022WR033714
- Saline intrusion in the Ganges-Brahmaputra-Meghna megadelta L. Bricheno et al. 10.1016/j.ecss.2021.107246
- Linking the Surface and Subsurface in River Deltas—Part 1: Relating Surface and Subsurface Geometries J. Hariharan et al. 10.1029/2020WR029282
- Using delta channel width to estimate paleodischarge in the rock record: geometric scaling and practical sampling criteria O. Prasojo et al. 10.2110/jsr.2022.057
- Where have all the sediments gone? Reservoir silting and sedimentary justice in the lower Ebro River S. Gorostiza et al. 10.1016/j.polgeo.2023.102975
- Sinuous bar fingers of digitate shallow‐water deltas: Insights into their formative processes and deposits from integrating morphological and sedimentological studies with mathematical modelling Z. Xu et al. 10.1111/sed.12923
- River Deltas and Sea-Level Rise J. Nienhuis et al. 10.1146/annurev-earth-031621-093732
- Global-scale human impact on delta morphology has led to net land area gain J. Nienhuis et al. 10.1038/s41586-019-1905-9
- A global open-source database of flood-protection levees on river deltas (openDELvE) J. Nienhuis et al. 10.5194/nhess-22-4087-2022
- Littoral Sediment From Rivers: Patterns, Rates and Processes of River Mouth Morphodynamics J. Warrick 10.3389/feart.2020.00355
- Decadal Morphological Evolution and Governance Measures of the South Branch, Changjiang Estuary H. Luan et al. 10.3390/su162310680
- Exposure of coastal environments to river-sourced plastic pollution P. Harris et al. 10.1016/j.scitotenv.2021.145222
Latest update: 26 Dec 2024
Short summary
River deltas are valuable resources that support biodiversity and human habitation. Despite this we do not have a global census of deltas nor do we know the conditions that promote their formation. We surveyed 5399 river mouths greater than 50 m wide and found that 2174 (40 %) create a delta. The conditions that lead to delta formation are high sediment input and low wave and tide conditions. These results can be used to understand how deltas will adapt to environmental changes.
River deltas are valuable resources that support biodiversity and human habitation. Despite this...