Estimates of suspended solid transport in the Pará River Estuary
DOI:
https://doi.org/10.1590/S2675-28242020068281Keywords:
Suspended particulate matter, Turbidity, Linear regression, Lutocline, ResuspensionAbstract
The aim of the present study was to quantify the suspended solid concentrations (CSSL) and suspended solid transport (TSSL) in the mixing zone of the Pará River Estuary. This estuary is located at the southeastern extreme of the estuarine complex of the Amazon River, and receives input from Tocantins and Pará rivers and other local tributaries, with a total discharge of approximately 104 m3 s-1. Two field campaigns were conducted to collect samples of Suspended Particulate Matter (SPM) and measure turbidity. Bottom and surface samples were collected hourly throughout a semidiurnal tidal cycle at two points in the estuary (Left Margin [LM]: -0.7287° -48.2408° and Right Margin [RM]: -0.6051° -48.4048°) in both the dry and rainy seasons. The TSSL was determined using a linear correlation between SPM and turbidity. The results indicate that both the RM and LM points were export routes of suspended solids to the adjacent ocean. However, both lateral and seasonal differences were observed in the PRE samples, with the RM point exporting more suspended solids to the adjacent ocean than the LM point. The TSSL was higher in near-bottom layers on the RM, and the lutocline was broader in comparison with the LM. The correlation between the CSSL at the bottom and in the water column was higher on the LM, and indicated that approximately 80% of the CSSL on this margin derives from resuspension. The sum of the evidence indicates that both points export suspended solids to the ocean.
References
ALLEN, G. P., SALOMON, J. C., BASSOULLET, P., DU PENHOAT, Y.
& DE GRANDPRÉ, C. 1980. Effects of tides on mixing and
suspended sediment transport in macrotidal estuaries.
Sedimentary Geology, 26(1-3), 69-90.
AVELINE, L. C. 1980. Fauna dos manguezais brasileiros. Revista
Brasileira de Geografia, 42(4), 786-821.
BAUMGARTEN, M. G. Z., ROCHA, J. M. B. & NIENCHESKI, L. F. H.
Manual de análises em Oceanografia Química, Rio
Grande: Editora da Universidade Federal do Rio Grande.
BEARDSLEY, R. C., CANDELA, J., LIMEBURNER, R., GEYER, W. R.,
LENTZ, S. J., BELMIRO, M. C., CACCHIONE, D. & CARNEIRO,
N. 1995. The M2 tide on the Amazon shelf. Journal of
Geophysical Research, 100(2), 2283-2319.
CALLÈDE, J., COCHONNEAU, G., RONCHAIL, J., ALVEZ, F. V.,
GUYOT, J. L., GUIMARES, V. S. & DE OLIVEIRA, E. 2010. Les
apports en eau de l‟Amazone a l‟ocean Atlantique. Journal
of Water Science, 23(2), 247-273.
CAMERON, W. M. & PRITCHARD, D. W. 1963. Estuaries. In: HILL,
M. N. (ed). The sea: ideas and observation on progress in the
study of the seas. New York: John Wiley and Sons.
CORRÊA, I. C. S. 2005. Aplicação do diagrama de Pejrup na
interpretação da sedimentação e da dinâmica do Estuário da
Baía do Marajó-PA. Pesquisa em Geociências, 32(2), 109-118.
DYER, K. R. 1994. Estuarine sediment transport and deposition.
In: PYE, K. (ed). Sediment transport and depositions processes.
United Kingdom: Blackwell Scientific Publications.
DYER, K. R. 1997. Estuaries: a physical introduction. New York:
John Wiley & Sons.
EL-ROBRINI, M., SILVA, M. A. M. A., SOUZA FILHO, P. W. M., ELROBRINI,
M. H. S., SILVA JÚNIOR, O. G. & FRANÇA, C. F. 2006.
Pará. In: MUEHE, D. (ed). Erosão e Progradação do Litoral
Brasileiro. Brasília: Instituto Brasileiro do Meio Ambiente e
dos Recursos Naturais Renováveis.
EMERY, W. J. & THOMSON, R. E. 2014. Date analysis methods in
physical oceanography. Poland: Newnes.
GABIOUX, M., VINZON, S. B. & PAIVA, A. M. 2005. Tidal
propagation over fluid mud layers on the Amazon shelf.
Continental Shelf Research, 25(1), 113-125.
HANSEN, D. V. & RATTRAY, M. J. 1966. New dimensions in estuary
classification. Limnology and Oceanography, 11(3), 319-326.
HUNT, S., LEMCKERT, C. & SCHACHT, C. 2000. Suspended
sediment distribution within a partially mixed subtropical
estuary. Journal of Coastal Research, SI(34), 382-387.
ISAAC, V. J., SANTO, R. V. E., BENTES, B., FRÉDOU, F. L., MOURAO,
K. R. M., & FRÉDOU, T. 2009. An interdisciplinary evaluation
of fishery production systems off the state of Pará in North
Brazil. Journal of Applied Ichthyology, 25(3), 244-255.
KINEKE, G. C., STERNBERG, R. W., TROWBRIDGE, J. H. & GEYER, W.
R. 1996. Fluid mud processes on the Amazon continental
shelf. Continental Shelf Research, 16(5-6), 667-696.
KJERFVE, B. 1987. Estuarine geomorphology and physical
oceanography. In: DAY, J. W., HALL, C. A. S., KEMP, W. M. &
YÁÑEZ-ARANCIBIA, A. (eds.). Estuarine Ecology. New York:
John Wiley & Sons.
LATRUBESSE, E. M. & STEVAUX, J. C. 2002. Geomorphology and
environmental aspects of the Araguaia fluvial basin, Brazil.
Zeitsshrift für Geomorphologie, 129(1), 109-127.
LEE, H. J., PARK, J. Y., LEE, S. H., LEE, J. M. & KIM, T. K. 2013.
Suspended sediment transport in a rock-bound, macrotidal
estuary: Han Estuary, Eastern Yellow Sea. Journal of Coastal
Research, 29(2), 358-371.
LENTZ, S. J. & LIMERBUNER, R. 1995. The Amazon River Plume
during AMASSEDS: spatial characteristics and salinity
variability. Journal of Geophysical Research, 100(C2), 2355-
MASCARENHAS, A. C. C., GOMES, G. S., LIMA, A. P. Y., SILVA, H. K. N.,
SANTANA, L. S., ROSÁRIO, R. P. & ROLLNIC, M. 2016. Seasonal
variations of the Amazon River plume with focus on the
Eastern sector. Journal of Coastal Research, SI(75), 532-536.
MIRANDA, L. B., CASTRO, M. C. & KJERFVE, B. 2012. Princípios
de oceanografia de estuários. São Paulo: Editora da
Universidade de São Paulo.
MORAES, B. C., COSTA, J. M. N., COSTA, A. C. L. & COSTA, M. H.
Variação espacial e temporal da precipitação no
Estado do Pará. Acta Amazôniza, 35(2), 207-214.
MOURÃO, K. R. M., SOUSA FILHO, P. W. M., ALVES, P. J. O. &
FRÉDOU, F. L. 2014. Priority areas for the conservation
of the fish fauna of the Amazon Estuary in Brazil: A
multicriteria approach. Ocean & Coastal Management,
(1), 116-127.
NICHOLS, M. M. 1984. Effects of fine sediment resuspension in
estuaries. In: BARBER, R. T., MOOERS, C. N. K. & BOWMAN,
M, J. (eds.). Estuarine Cohesive Sediment Dynamics. Berlin:
Springer-Verlag.
PAPHITIS, D. & COLLINS, M. B. 2005. Sediment resuspension
events within the (microtidal) coastal waters of Thermaikos
Gulf, Northern Greece. Continental Shelf Research, 25(1),
-2365.
POSTMA, H. 1967. Sediment transport and sedimentation in
the estuarine environment. In: LAUFF, G. H. (ed). Estuaries.
Washington: American Association for Advanced of Science.
PRESTES, Y. O., BORBA, T. A. C., DA SILVA, A. C. & ROLLNIC, M. 2020.
A discharge stationary model for the Pará-Amazon estuarine
system. Journal of Hydrology: Regional Studies, 28, 100668.
PRITCHARD, D. W. 1967. What in an estuary: physical viewpoint.
In: LAUFF, G. H. (ed.). Estuaries. Washington: American
Association for the Advancement of Science.
ROSS, M. A. & METHA, A. J. 1989. On the mechanics of lutoclines
and fluid mud. Journal of Coastal Research, SI(5), 51-61.
SCHAEFFER-NOVELLI, Y., CINTRÓN-MOLERO, G., ADAIME, R. R., &
DE CAMARGO, T. M. 1990. Variability of mangrove ecosystems
along the Brazilian coast. Estuaries, 13(2), 204-218.
SCHAEFFER-NOVELLI, Y., CINTRÓN-MOLERO, G., SOARES, M.
L. G., & DE ROSA, T. 2000. Brazilian mangroves. Aquatic
Ecosystem Health & Management, 3(4), 561-570.
SCHETTINI, C. A. F., DE ALMEIDA, D. C., SIEGLE, E. & DE ALENCAR,
A. C. B. 2010. A snapshot of suspended sediment and fluid
mud ocurrence in a mixed-energy embayment, Tijucas Bay,
Brazil. Geo-Marine letters, 30(1), 47-62.
SCHETTINI, C. A. F., PEREIRA, M. D., SIEGLE, E., MIRANDA, L. B.,
SILVA, M. P. 2013. Residual fluxes of suspended sediment
in a tidally dominated tropical estuary. Continental Shelf
Research, 70, 27-35.
SCHUBEL, J. R. 1971. Tidal variation of the size distribution of
suspended sediment at a station in the Chesepeake Bay turbidity
maximum. Netherlands Journal of Sea Research, 5(2), 252-266.
SAENGER, P., HEGERL, E. J. & DAVIE, J. D. S. 1983. Global status of
mangrove ecosystems. The Environmentalist, 3, 1-81.
SIEGLE, E., SCHETTINI, C. A. F., KLEIN, A. H. F. & TOLDO JUNIOR, E.
E. 2009. Hydrodynamics and suspended sediment transport
in the Camboriú estuary – Brazil: pre jetty conditions.
Brazilian Journal Oceanography, 57(2), 123-135.
UNCLES, R. J., STEPHENS, J. A. & SMITH, R. E. 2002. The
dependence of estuaries turbidity on tidal intrusion length,
tidal range and residence time. Continental shelf research,
(11-13), 1835-1856.
UNCLES, R. J. & MONISMITH, S. G. 2011. Water and fine-sediment
circulation. Treatises on Estuarine and Coastal Science, 2, 1-8.
VINZON, S. B. & MEHTA, A. J. 2001. Boundary layer effects due
to suspended sediment in the Amazon River estuary. In:
MCANALLY, W.H. & MEHTA A. J. (eds.). Coastal and Estuarine
Fine Sediment Processes. Amsterdam: Elsevier Science.
WINTERWERP, J. C. 2011. The physical analyses of muddy
sedimentation processes. Treatises on Estuarine and Coastal
Science, 2, 311-360.
WOLANSKI, E., ASAEDA, T., & IMBERGER, J. 1989. Mixing across a
lutocline. Limnology and Oceanography, 34(5), 931-938.
WOOD, P. A. 1977. Controls of variation in suspended sediment
concentrations in the River Rother. Sedimentology, 24(3), 437-445.
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