A STUDY ON THE WATER EXCHANGE IN MUNDAÚ LAGOON, NORTHEASTERN BRAZIL DURING THE DRY SEASON

Almir Nunes De Brito Junior; Carlos Ruberto Fragoso; Magnus Larson

A STUDY ON THE WATER EXCHANGE IN MUNDAÚ LAGOON, NORTHEASTERN BRAZIL DURING THE DRY SEASON

Almir Nunes De Brito Junior, Carlos Ruberto Fragoso, Magnus Larson

Division of Water Resources Engineering

Research output: Chapter in Book/Report/Conference proceeding › Paper in conference proceeding › Research › peer-review

Abstract

Changes in the inlet morphology of choked coastal lagoons often restrict the water exchange with the sea, making them vulnerable to pollution release and eutrophication processes. In this study, the role of tides for the water exchange was investigated in a choked lagoon for critical scenarios during the low river flow season. Both an integrated and spatially distributed approach were employed using Lagrangian tracking of particles. The spring tides were responsible for the most pronounced water exchange and the spatially distributed approach identified different zones with similar water exchange characteristics. The tide action was primarily limited to the southern portion of the lagoon presenting a zone with rapid exchange times, whereas the other parts involved lower exchange and consequently long renewal times making it a more vulnerable area to different types of pollution releases.

Original language	English
Title of host publication	Proceedings of Coastal Dynamics 2017
Editors	Troels Aagaard, Rolf Deigaard, David Fuhrman
Pages	1251-1260
Edition	2017
Publication status	Published - 2017
Event	Coastal dynamics 2017 - Helsingør, Denmark Duration: 2017 Jun 12 → 2017 Jun 16

Conference

Conference	Coastal dynamics 2017
Country/Territory	Denmark
City	Helsingør
Period	2017/06/12 → 2017/06/16

Subject classification (UKÄ)

Water Engineering

Keywords

Choked Coastal Lagoon
Water Exchange Time Scales
Hydrodynamic Modeling
Particle Tracking
Mundaú Lagoon, Brazil

Access to Document

http://coastaldynamics2017.dk/onewebmedia/123_Nunes.pdf

Cite this

@inproceedings{089d92e2559648af9619501e8d01e21b,

title = "A STUDY ON THE WATER EXCHANGE IN MUNDA{\'U} LAGOON, NORTHEASTERN BRAZIL DURING THE DRY SEASON",

abstract = "Changes in the inlet morphology of choked coastal lagoons often restrict the water exchange with the sea, making them vulnerable to pollution release and eutrophication processes. In this study, the role of tides for the water exchange was investigated in a choked lagoon for critical scenarios during the low river flow season. Both an integrated and spatially distributed approach were employed using Lagrangian tracking of particles. The spring tides were responsible for the most pronounced water exchange and the spatially distributed approach identified different zones with similar water exchange characteristics. The tide action was primarily limited to the southern portion of the lagoon presenting a zone with rapid exchange times, whereas the other parts involved lower exchange and consequently long renewal times making it a more vulnerable area to different types of pollution releases.",

keywords = "Choked Coastal Lagoon, Water Exchange Time Scales, Hydrodynamic Modeling, Particle Tracking, Munda{\'u} Lagoon, Brazil",

author = "{Nunes De Brito Junior}, Almir and Fragoso, {Carlos Ruberto} and Magnus Larson",

year = "2017",

language = "English",

pages = "1251--1260",

editor = "Troels Aagaard and Rolf Deigaard and David Fuhrman",

booktitle = "Proceedings of Coastal Dynamics 2017",

edition = "2017",

note = "Coastal dynamics 2017 ; Conference date: 12-06-2017 Through 16-06-2017",

}

Nunes De Brito Junior, A, Fragoso, CR & Larson, M 2017, A STUDY ON THE WATER EXCHANGE IN MUNDAÚ LAGOON, NORTHEASTERN BRAZIL DURING THE DRY SEASON. in T Aagaard, R Deigaard & D Fuhrman (eds), Proceedings of Coastal Dynamics 2017. 2017 edn, 123, pp. 1251-1260, Coastal dynamics 2017, Helsingør, Denmark, 2017/06/12. <http://coastaldynamics2017.dk/onewebmedia/123_Nunes.pdf>

A STUDY ON THE WATER EXCHANGE IN MUNDAÚ LAGOON, NORTHEASTERN BRAZIL DURING THE DRY SEASON. / Nunes De Brito Junior, Almir; Fragoso, Carlos Ruberto; Larson, Magnus.

Proceedings of Coastal Dynamics 2017. ed. / Troels Aagaard; Rolf Deigaard; David Fuhrman. 2017. ed. 2017. p. 1251-1260 123.

Research output: Chapter in Book/Report/Conference proceeding › Paper in conference proceeding › Research › peer-review

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T1 - A STUDY ON THE WATER EXCHANGE IN MUNDAÚ LAGOON, NORTHEASTERN BRAZIL DURING THE DRY SEASON

AU - Nunes De Brito Junior, Almir

AU - Fragoso, Carlos Ruberto

AU - Larson, Magnus

PY - 2017

Y1 - 2017

N2 - Changes in the inlet morphology of choked coastal lagoons often restrict the water exchange with the sea, making them vulnerable to pollution release and eutrophication processes. In this study, the role of tides for the water exchange was investigated in a choked lagoon for critical scenarios during the low river flow season. Both an integrated and spatially distributed approach were employed using Lagrangian tracking of particles. The spring tides were responsible for the most pronounced water exchange and the spatially distributed approach identified different zones with similar water exchange characteristics. The tide action was primarily limited to the southern portion of the lagoon presenting a zone with rapid exchange times, whereas the other parts involved lower exchange and consequently long renewal times making it a more vulnerable area to different types of pollution releases.

AB - Changes in the inlet morphology of choked coastal lagoons often restrict the water exchange with the sea, making them vulnerable to pollution release and eutrophication processes. In this study, the role of tides for the water exchange was investigated in a choked lagoon for critical scenarios during the low river flow season. Both an integrated and spatially distributed approach were employed using Lagrangian tracking of particles. The spring tides were responsible for the most pronounced water exchange and the spatially distributed approach identified different zones with similar water exchange characteristics. The tide action was primarily limited to the southern portion of the lagoon presenting a zone with rapid exchange times, whereas the other parts involved lower exchange and consequently long renewal times making it a more vulnerable area to different types of pollution releases.

KW - Choked Coastal Lagoon

KW - Water Exchange Time Scales

KW - Hydrodynamic Modeling

KW - Particle Tracking

KW - Mundaú Lagoon, Brazil

UR - http://coastaldynamics2017.dk/proceedings.html

M3 - Paper in conference proceeding

SP - 1251

EP - 1260

BT - Proceedings of Coastal Dynamics 2017

A2 - Aagaard, Troels

A2 - Deigaard, Rolf

A2 - Fuhrman, David

T2 - Coastal dynamics 2017

Y2 - 12 June 2017 through 16 June 2017

ER -

A STUDY ON THE WATER EXCHANGE IN MUNDAÚ LAGOON, NORTHEASTERN BRAZIL DURING THE DRY SEASON

Abstract

Conference

Subject classification (UKÄ)

Keywords

Access to Document

Other files and links

Fingerprint

Simulating Morphological Evolution at Coastal Inlets due to Waves and Currents

Cite this

A STUDY ON THE WATER EXCHANGE IN MUNDAÚ LAGOON, NORTHEASTERN BRAZIL DURING THE DRY SEASON

Abstract

Conference

Subject classification (UKÄ)

Keywords

Access to Document

Other files and links

Fingerprint

Projects

Simulating Morphological Evolution at Coastal Inlets due to Waves and Currents

Cite this