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  • Articles  (235)
  • Salinity  (208)
  • Decadal Climate
  • North Atlantic
  • Ocean circulation
  • Valparaíso, Chile  (198)
  • American Meteorological Society  (29)
  • American Geophysical Union  (5)
  • UNESCO  (3)
  • 2015-2019  (228)
  • 2005-2009  (7)
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  • Articles  (235)
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  • 1
    Publication Date: 2017-04-04
    Description: In this paper results from the application of an ocean data assimilation (ODA) system, combining a multivariate reduced-order optimal interpolator (OI) scheme with a global ocean general circulation model (OGCM), are described. The present ODA system, designed to assimilate in situ temperature and salinity observations, has been used to produce ocean reanalyses for the 1962–2001 period. The impact of assimilating observed hydrographic data on the ocean mean state and temporal variability is evaluated. A special focus of this work is on the ODA system skill in reproducing a realistic ocean salinity state. Results from a hierarchy of different salinity reanalyses, using varying combinations of assimilated data and background error covariance structures, are described. The impact of the space and time resolution of the background error covariance parameterization on salinity is addressed.
    Description: This work has been funded by the ENACT Project (Contract EVK2-CT2001-00117) for A. Bellucci and P. Di Pietro, and partially by the ENSEMBLES Project (Contract GOCE-CT-2003-505539) for A. Bellucci.
    Description: Published
    Description: 3785-3807
    Description: 3.7. Dinamica del clima e dell'oceano
    Description: JCR Journal
    Description: reserved
    Keywords: ocean modelling ; data assimilation ; reanalysis ; upper ocean variability ; temperature ; Salinity ; 03. Hydrosphere::03.01. General::03.01.04. Ocean data assimilation and reanalysis
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 2
    Publication Date: 2017-04-04
    Description: Ensemble experiments are performed with five coupled atmosphere–ocean models to investigate the potential for initial-value climate forecasts on interannual to decadal time scales. Experiments are started from similar model-generated initial states, and common diagnostics of predictability are used. We find that variations in the ocean meridional overturning circulation (MOC) are potentially predictable on interannual to decadal time scales, a more consistent picture of the surface temperature impact of decadal variations in the MOC is now apparent, and variations of surface air temperatures in the North Atlantic Ocean are also potentially predictable on interannual to decadal time scales, albeit with potential skill levels that are less than those seen for MOC variations. This intercomparison represents a step forward in assessing the robustness of model estimates of potential skill and is a prerequisite for the development of any operational forecasting system.
    Description: Published
    Description: 1195-1203
    Description: JCR Journal
    Description: reserved
    Keywords: Decadal Climate ; North Atlantic ; 03. Hydrosphere::03.01. General::03.01.03. Global climate models ; 03. Hydrosphere::03.02. Hydrology::03.02.05. Models and Forecasts ; 03. Hydrosphere::03.03. Physical::03.03.03. Interannual-to-decadal ocean variability
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 3
    Publication Date: 2021-05-19
    Description: El objetivo de esta investigación fue caracterizar y evaluar el proceso de reclutamiento del recurso anchoveta en la zona norte del país durante el período correspondiente a 1997-1998.
    Description: The objective of this research was characterize. and evaluate the process of resource reclutamienito anchovy in the north of the country during the period 1998-1999.
    Description: Unpublished
    Keywords: Pelagic fisheries ; Acoustic data ; Biomass ; Zooplankton ; Phytoplankton ; Trap fishing ; Landing statistics ; Recruitment ; Spawning ; Trawling ; Age determination ; Size-at-age ; Longlining ; Strangomera bentincki ; Length-weight relationships ; Salinity
    Repository Name: AquaDocs
    Type: Report , Refereed , Article
    Format: 201pp. & Figuras
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  • 4
    Publication Date: 2021-05-19
    Description: El presente informe tiene como objetivo evaluar el stock de la especie langostino colorado, a través de la operación de la flota industrial perteneciente a la unidad de pesquería de la zona centro sur ( V a VIII Regiones), con el propósito de disponer de información actualizada y oportuna para su administración.
    Description: This report aims to assess the stock of lobster species, through the operation of the industrial fleet belonging to the fishery unit of the central south (Regions V-VIII), in order to have updated information and timely administration.
    Description: Unpublished
    Keywords: Benthic environment ; Biomass ; Trap fishing ; Landing statistics ; Recruitment ; Spawning ; Stock assessment ; Trawling ; Longlining ; Age determination ; Size-at-age ; Length-weight relationships ; Salinity ; Benthic environment ; Pleuroncodes monodon
    Repository Name: AquaDocs
    Type: Report , Refereed , Article
    Format: 49pp.
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  • 5
    Publication Date: 2021-05-19
    Description: El objetivo del presente informe fue determinar la distribución y abundancia del stock y las características biológicas y pesqueras relevantes del recurso presente en la zona de estudio.
    Description: The purpose of this report was to determine the distribution and abundance of the stock and fisheries biology and relevant resources on the study area.
    Description: Unpublished
    Keywords: Benthic environment ; Pelagic fisheries ; Trap fishing ; Biomass ; Age determination ; Length-weight relationships ; Size-at-age ; Sexual maturity ; Bathymetric data ; Landing statistics ; Recruitment ; Spawning ; Stock assessment ; Salinity ; Merluccius australis ; Macruronus magellanicus ; Genypterus blacodes
    Repository Name: AquaDocs
    Type: Report , Refereed , Article
    Format: xv, 20pp.
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  • 6
    Publication Date: 2021-05-19
    Description: Se entregan los resultados obtenidos de las entrevistas a los pescadores artesanales; cruceros de pesca de investigación y estaciones bio-oceanográficas y muestreos biológicos de la captura artesanal en los principales centros de actividades de pescadores artesanales de merluza del sur.
    Description: This paper gives the results obtained from interviews with fishermen, fishing cruises research and bio-oceanographic stations and biological sampling of the artisanal catch in the main centers of artisanal fishing activities of southern hake.
    Description: Unpublished
    Keywords: Demersal fish ; Biomass ; Bathymetric data ; Recruitment ; Spawning ; Stock assessment ; Age determination ; Size-at-age ; Length-weight relationships ; Salinity ; Sexual maturity ; Biological data ; Landing statistics
    Repository Name: AquaDocs
    Type: Report , Refereed , Article
    Format: 145pp. & Tablas
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  • 7
    Publication Date: 2021-05-19
    Description: El presente informe contiene el diagnóstico actualizado del recurso anchoveta con el fin de estimar la captura total permisible (CTP) para el año 2005 en la zona comprendida entre la III y IV regiones.
    Description: This report contains the updated diagnosis anchovy resource to estimate the total allowableto catch (CTP) for the year 2005 in the area between the III and IV regions.
    Description: Unpublished
    Keywords: Pelagic fisheries ; Biomass ; Bathymetric data ; Trap fishing ; Recruitment ; Spawning ; Stock assessment ; Age determination ; Size-at-age ; Length-weight relationships ; Landing statistics ; Biological data ; Salinity
    Repository Name: AquaDocs
    Type: Report , Non-Refereed , Article
    Format: 34pp. & Anexos
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  • 8
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    Instituto de Fomento Pesquero | Valparaíso, Chile
    Publication Date: 2021-05-19
    Description: El objetivo de esta investigación fue diagnosticar el estado del recurso langostino colorado y estimar la captura total permisible (CTP) para el año 2005 en el área comprendida entre la I y IV región y entre la V y VIII región.
    Description: The aim of this research was to determine the status of squat lobster resource and estimate the total allowable catch (TAC) for 2005 in the area between the I and IV region and between the V and VIII region.
    Description: Unpublished
    Keywords: Benthic environment ; Biomass ; Bathymetric data ; Trap fishing ; Recruitment ; Spawning ; Stock assessment ; Trawling ; Longlining ; Age determination ; Size-at-age ; Length-weight relationships ; Salinity ; Landing statistics
    Repository Name: AquaDocs
    Type: Report , Non-Refereed , Article
    Format: 60pp.
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  • 9
    Publication Date: 2021-05-19
    Description: El presente documento da cuenta de los resultados finales del estudio FONDEMA, cuyo objetivo general fue determinar la existencia de una unidad de stock y poblaciones residentes /stock ecológicos) para los recursos merluza del sur (Merluccius australis) y congrio dorado (Genypterus blacodes), en aguas interiores de Magallanes.
    Description: This document reports the final results FONDEMA, whose overall objective was to determine the existence of a unit of stock and all resident / green stock) to the resources of southern hake (Merluccius australis) and cusk (Genypterus blacodes) Magellan inland.
    Description: Unpublished
    Keywords: Demersal fish ; Biomass ; Bathymetric data ; Landing statistics ; Recruitment ; Spawning ; Stock assessment ; Age determination ; Size-at-age ; Length-weight relationships ; Sexual maturity ; Salinity ; Biological data
    Repository Name: AquaDocs
    Type: Report , Non-Refereed , Article
    Format: 94pp. & Figuras
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  • 10
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    Instituto de Fomento Pesquero | Valparaíso, Chile
    Publication Date: 2021-05-19
    Description: El presente informe tiene como objetivo monitorear la disminución sostenida que ha experimentado la pesquería de merluza, traducida en cuotas de pesca cada vez menores, permitiendo de este modo visualizar la posibilidad de desarrollar una pesquería de arrastre de mediagua como alternativa a la actual pesquería demersal sur-austral.
    Description: Unpublished
    Keywords: Macruronus magellanicus ; marine environment ; Benthic environment ; Pelagic fisheries ; Stock assessment ; Trap fishing ; Bathymetric data ; Biomass ; Age determination ; Size-at-age ; Length-weight relationships ; Recruitment ; Salinity ; Trawling ; Longlining ; Spawning
    Repository Name: AquaDocs
    Type: Report , Non-Refereed , Article
    Format: 53pp. & Anexos
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