<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>This paper documents the structure of flow and bed morphology of a cutoff meander of the Danube River in relationship with a GIS approach. The cutoffs effect produce changes in the repartition of the water and sediment fluxes between the natural channel and the manmade canal, with direct implications on the environmental evolution of the delta. The Dranov de Jos meander (Lower Dranov meander ‒ LDM) belt seems to be one of the most affected by the rectification works performed on Sfântu Gheorghe branch between 1981 and 1992. The upstream and downstream parts of the cutoff are characterized by the decrease of the channel width by banks sedimentation (with the rate of ‒6.2 m/year) and at the apex zone, the bank’s sedimentation is associated with intense sediment infilling of the central part of the channel, where a large deposit of 950 m in length and 190 m in width is formed.</p>
</abstract>

This paper documents the structure of flow and bed morphology of a cutoff meander of the Danube River in relationship with a GIS approach. The cutoffs effect produce changes in the repartition of the water and sediment fluxes between the natural channel and the manmade canal, with direct implications on the environmental evolution of the delta. The Dranov de Jos meander (Lower Dranov meander ‒ LDM) belt seems to be one of the most affected by the rectification works performed on Sfântu Gheorghe branch between 1981 and 1992. The upstream and downstream parts of the cutoff are characterized by the decrease of the channel width by banks sedimentation (with the rate of ‒6.2 m/year) and at the apex zone, the bank’s sedimentation is associated with intense sediment infilling of the central part of the channel, where a large deposit of 950 m in length and 190 m in width is formed.

Intensive Infilling Processes of a Cutoff Meander in the Danube Delta

Transylvanian Review of Systematical and Ecological Research

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Intensive Infilling Processes of a Cutoff Meander in the Danube Delta"}

This paper documents the structure of flow and bed morphology of a cutoff meander of the Danube River in relationship with a GIS approach. The cutoffs effect...

Intensive Infilling Processes of a Cutoff Meander in the Danube Delta

Publié en ligne: 08 févr. 2023

Pages: 1 - 10

DOI: https://doi.org/10.2478/trser-2022-0015

Mots clés
cutoff meander, sedimentation, GIS, aDcp

© 2022 Laura Duţu et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Intensive Infilling Processes of a Cutoff Meander in the Danube Delta

Publié en ligne: 08 févr. 2023

Pages: 1 - 10

DOI: https://doi.org/10.2478/trser-2022-0015

Mots cléscutoff meander, sedimentation, GIS, aDcp

© 2022 Laura Duţu et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Mots clés
cutoff meander, sedimentation, GIS, aDcp