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Sediment budget analysis of the Guayas River using a process-based model. / Barrera Crespo, Pedro D.; Mosselman, Erik; Giardino, Alessio ; Becker, Anke; Ottevanger, Willem; Nabi, Mohamed; Arias Hidalgo, Mijail.

In: Hydrology and Earth System Sciences, Vol. 23, No. 6, 2019, p. 2763-2778.

Research output: Contribution to journalArticleScientificpeer-review

Harvard

Barrera Crespo, PD, Mosselman, E, Giardino, A, Becker, A, Ottevanger, W, Nabi, M & Arias Hidalgo, M 2019, 'Sediment budget analysis of the Guayas River using a process-based model' Hydrology and Earth System Sciences, vol. 23, no. 6, pp. 2763-2778. https://doi.org/10.5194/hess-23-2763-2019

APA

Barrera Crespo, P. D., Mosselman, E., Giardino, A., Becker, A., Ottevanger, W., Nabi, M., & Arias Hidalgo, M. (2019). Sediment budget analysis of the Guayas River using a process-based model. Hydrology and Earth System Sciences, 23(6), 2763-2778. https://doi.org/10.5194/hess-23-2763-2019

Vancouver

Barrera Crespo PD, Mosselman E, Giardino A, Becker A, Ottevanger W, Nabi M et al. Sediment budget analysis of the Guayas River using a process-based model. Hydrology and Earth System Sciences. 2019;23(6):2763-2778. https://doi.org/10.5194/hess-23-2763-2019

Author

Barrera Crespo, Pedro D. ; Mosselman, Erik ; Giardino, Alessio ; Becker, Anke ; Ottevanger, Willem ; Nabi, Mohamed ; Arias Hidalgo, Mijail. / Sediment budget analysis of the Guayas River using a process-based model. In: Hydrology and Earth System Sciences. 2019 ; Vol. 23, No. 6. pp. 2763-2778.

BibTeX

@article{52efcc29e31c4d47acac6540224af91f,
title = "Sediment budget analysis of the Guayas River using a process-based model",
abstract = "The equatorial Daule and Babahoyo rivers meet and combine into the tidal Guayas River, which flows into the largest estuary on the Pacific coast of South America. The city of Guayaquil, located along the Guayas, is the main port of Ecuador but, at the same time, the planet's fourth most vulnerable city to future flooding due to climate change. Sedimentation, which has increased in recent years, is seen as one of the factors contributing to the risk of flooding. The cause of this sedimentation is the subject of the current research. We used the process-based Delft3D FM model to assess the dominant processes in the river and the effects that past interventions along the river and its estuary have had on the overall sediment budget. Additionally, a simulation including sea level rise was used in order to understand the possible future impact of climate change on the sediment budget. Results indicate an increase in tidal asymmetry due to land reclamation and a decrease in episodic flushing by river floods due to upstream dam construction. These processes have induced an increased import of marine sediment potentially responsible for the observed sedimentation. This is in contrast with the local perception of the problem, which ascribes sedimentation to deforestation in the upper catchment. Only the deposition of silt and clay in connected stagnant water bodies could perhaps be ascribed to upstream deforestation.",
author = "{Barrera Crespo}, {Pedro D.} and Erik Mosselman and Alessio Giardino and Anke Becker and Willem Ottevanger and Mohamed Nabi and {Arias Hidalgo}, Mijail",
year = "2019",
doi = "10.5194/hess-23-2763-2019",
language = "English",
volume = "23",
pages = "2763--2778",
journal = "Hydrology and Earth System Sciences",
issn = "1027-5606",
publisher = "European Geosciences Union",
number = "6",

}

RIS

TY - JOUR

T1 - Sediment budget analysis of the Guayas River using a process-based model

AU - Barrera Crespo, Pedro D.

AU - Mosselman, Erik

AU - Giardino, Alessio

AU - Becker, Anke

AU - Ottevanger, Willem

AU - Nabi, Mohamed

AU - Arias Hidalgo, Mijail

PY - 2019

Y1 - 2019

N2 - The equatorial Daule and Babahoyo rivers meet and combine into the tidal Guayas River, which flows into the largest estuary on the Pacific coast of South America. The city of Guayaquil, located along the Guayas, is the main port of Ecuador but, at the same time, the planet's fourth most vulnerable city to future flooding due to climate change. Sedimentation, which has increased in recent years, is seen as one of the factors contributing to the risk of flooding. The cause of this sedimentation is the subject of the current research. We used the process-based Delft3D FM model to assess the dominant processes in the river and the effects that past interventions along the river and its estuary have had on the overall sediment budget. Additionally, a simulation including sea level rise was used in order to understand the possible future impact of climate change on the sediment budget. Results indicate an increase in tidal asymmetry due to land reclamation and a decrease in episodic flushing by river floods due to upstream dam construction. These processes have induced an increased import of marine sediment potentially responsible for the observed sedimentation. This is in contrast with the local perception of the problem, which ascribes sedimentation to deforestation in the upper catchment. Only the deposition of silt and clay in connected stagnant water bodies could perhaps be ascribed to upstream deforestation.

AB - The equatorial Daule and Babahoyo rivers meet and combine into the tidal Guayas River, which flows into the largest estuary on the Pacific coast of South America. The city of Guayaquil, located along the Guayas, is the main port of Ecuador but, at the same time, the planet's fourth most vulnerable city to future flooding due to climate change. Sedimentation, which has increased in recent years, is seen as one of the factors contributing to the risk of flooding. The cause of this sedimentation is the subject of the current research. We used the process-based Delft3D FM model to assess the dominant processes in the river and the effects that past interventions along the river and its estuary have had on the overall sediment budget. Additionally, a simulation including sea level rise was used in order to understand the possible future impact of climate change on the sediment budget. Results indicate an increase in tidal asymmetry due to land reclamation and a decrease in episodic flushing by river floods due to upstream dam construction. These processes have induced an increased import of marine sediment potentially responsible for the observed sedimentation. This is in contrast with the local perception of the problem, which ascribes sedimentation to deforestation in the upper catchment. Only the deposition of silt and clay in connected stagnant water bodies could perhaps be ascribed to upstream deforestation.

UR - http://www.scopus.com/inward/record.url?scp=85068318763&partnerID=8YFLogxK

U2 - 10.5194/hess-23-2763-2019

DO - 10.5194/hess-23-2763-2019

M3 - Article

VL - 23

SP - 2763

EP - 2778

JO - Hydrology and Earth System Sciences

T2 - Hydrology and Earth System Sciences

JF - Hydrology and Earth System Sciences

SN - 1027-5606

IS - 6

ER -

ID: 54894434