Consulta: subjectFacets:"Salinity gradients"
Registros recuperados: 6
Data/hora: 13/06/2024 07:57:54

Modele tridimensionnel de circulation et de dispersion
Provedor de dados: 5
Autores: Thouvenin, Benedicte; Salomon, J.
Bottom topography, coastal morphology and density variations are the three factors influencing marine current flow in Seine Bay. Numerical modeling allows the study of this tridimensional structure.
Tipo: Text
Palavras-chave: Hodographs; Salinity gradients; Coastal zone; Bottom topography; Mathematical models; Tidal currents; Dispersion; Water circulation.
Ano: 1985
URL: http://archimer.ifremer.fr/doc/1985/acte-1260.pdf

Approche de la circulation residuelle en Baie de Seine
Provedor de dados: 5
Autores: Lehir, P; Salomon, J; Leprovost, C; Chabertd'Hieres, G; Mauvais, J.
By taking into account salinity measurements and consequently mean residence time, current measurements, tidal computation with a 2-D model and wind induced currents provided by a 3-D model, a global diagram of residual flow in Seine Bay is given. Main patterns are exhibited: density currents in the eastern part of the bay, off the Seine Estuary, wind induced circulation, especially along the coast and over the Channels, and tidal residual patterns induced by topography.
Tipo: Text
Palavras-chave: Simulation; Modelling; Wind driven circulation; Bottom topography; Density gradients; Water masses; River discharge; Haline circulation; Salinity gradients; Tidal currents; Residual flow.
Ano: 1985
URL: http://archimer.ifremer.fr/doc/1985/acte-1263.pdf

Análisis del comportamiento de la salinidad (intrusión salina) en el sistema Río Guayas Canal de Jambelí como parte del cambio climático
Provedor de dados: 20
Autores: Arreaga Vargas, P.
El presente trabajo permite conocer el comportamiento de la cuña salina en el sistema Río Guayas - Canal de Jambelí, conociendo que el Río Guayas abastece de agua a Guayaquil, puerto principal del país, y a muchas otras poblaciones.
Tipo: Journal Contribution
Palavras-chave: Water quality; Sea level; Climatic changes; Salt-wedge estuaries; Salt wedges; Salinity gradients; Irrigation water; River water; Rivers; Water quality; Irrigation water; Rivers; Sea level; Http://aims.fao.org/aos/agrovoc/c_16061; Http://aims.fao.org/aos/agrovoc/c_3958; Http://aims.fao.org/aos/agrovoc/c_6617; Http://aims.fao.org/aos/agrovoc/c_34115.
Ano: 2000
URL: http://hdl.handle.net/1834/2274

Factores oceanográficos relacionados con la abundancia relativa de anchoíta (Engraulis anchoita) sobre la plataforma bonaerense (34°S-41°S) durante la primavera
Provedor de dados: 20
Autores: Martos, P.; Hansen, J.E.; Negri, R.M.; Madirolas, A.
Research has been conducted to study the relationship between some physical variables and the relative abundance of the northern stock of the Argentine anchovy (Engraulis anchoita) within the main area of distribution of the stock during springtime. Basic data were recorded during four research surveys mainly aimed at the acoustic assessment of the stock between 34°S and 41° 30'S (Buenos Aires prov., Argentina - Uruguay). The cruises were always carried out in October from 1993 to 1996. Several environmental variables were simultaneously input into a General Linear Model to analyze the variations on fish abundance; however, the model did not account for more than 17-20% of the total variance. Nevertheless most of those factors (sea surface temperature,...
Tipo: Journal Contribution
Palavras-chave: Clupeoid fisheries; Seasonal distribution; Abundance; Stocks; Fronts; Salinity gradients; Stocks; Http://aims.fao.org/aos/agrovoc/c_28772.
Ano: 2005
URL: http://hdl.handle.net/1834/1559

Reproducción de la corvina rubia Micropogonias furnieri del sector rioplatense. Su relación con los gradientes horizontales de salinidad.
Provedor de dados: 20
Autores: Macchi, G.J.
Reproduction of white croaker collected during 1991-1993 in the Argentine-Uruguayan Common Fishing Zone (CFZ)(34°-39°30'S), was studied by means of histological analysis of ovaries. Areal and seasonal maturity stage distributions were compared; ripeness degree was correlated to horizontal salinity gradients. During June and July an overall predominance of the resting stage was observed; nevertheless, a high proportion of females in early maturation was detected near Cabo San Antonio and Punta Piedras. In late October-early November an increase of maturing individuals was observed. Females in advanced maturity stage and partially spent,with postovulatory follicles, were collected mainly in estuarine waters with wide bottom salinity ranges (between 9-25...
Tipo: Journal Contribution
Palavras-chave: Ovaries; Salinity effects; Estuarine front; Reproduction; Salinity gradients; Sexual maturity; Fronts; Ovaries; Reproduction; Sexual maturity; Http://aims.fao.org/aos/agrovoc/c_5456; Http://aims.fao.org/aos/agrovoc/c_6507; Http://aims.fao.org/aos/agrovoc/c_7016.
Ano: 1997
URL: http://hdl.handle.net/1834/1932

Composition of functional ecological guilds of the fish fauna of the internal sector of the Amazon Estuary, Pará, Brazil
Provedor de dados: 42
Autores: MOURÃO,KEILA R.M.; FERREIRA,VALDIMERE; LUCENA-FRÉDOU,FLÁVIA.
The present study describes the spatial and temporal structure of the estuarine fish community in the internal sector of the Amazon Estuary. Samples were obtained in the main channels and tidal creeks of Guajará and Marajó Bays and Guamá River. A total of 41,516 fish specimens were collected, representing 136 taxa, 38 families and 12 orders. In the dry season, the mean salinity of the main channel increased along a limnic-marine gradient, between the Guamá River and the Marajó Bay. Species richness was lowest in the mouth of the Guamá River and in the right margin of the Guajará Bay. Fish species composition and environmental guilds differed markedly among areas: Migrants and Freshwater Stragglers were dominant in the Guamá River and the Guajará Bay, while...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Estuaries; Fish diversity; Functional ecology; Habitat; Salinity gradients.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652014000401783