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  • 1
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    Unknown
    In situ observational data of physical oceanographic variables, macro-nutrients and phytoplankton composition and distribution of central-southern Chile (2020)
    PANGAEA
    Details
    Publication Date: 2023-05-03
    Description: The dataset compiles in situ observational data obtained during the PHYTO-FRONT cruise (2014-02-03 - 2014-02-07) of central-southern Chile. The data includes conductivity, temperature, depth and potential density. Nutrient data, total and size-fractionated chlorophyll a measurements and data from plankton samples for composition and abundance of the micro-phytoplankton (microdiatoms) size fraction are also included.
    Keywords: central-southern Chile; Macro-nutrients; microdiatoms abundance; Physical oceanographic data; total and size-fractionated chlorophyll-a
    Type: Dataset
    Format: application/zip, 4 datasets
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 2
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    In situ observational data of physical oceanographic variables of central-southern Chile (2020)
    PANGAEA
    Details
    Publication Date: 2023-05-03
    Description: Conductivity, temperature and depth (CTD) data, and also potential density obtained from the temperature and salinity down-cast profiles using the TEOS-10 subroutines of the Gibbs-Sea Water oceanographic toolbox.
    Keywords: central-southern Chile; CTD, Sea-Bird, SBE 19plus; Density, potential; DEPTH, water; Event label; Latitude of event; Longitude of event; Macro-nutrients; microdiatoms abundance; MULT; Multiple investigations; north-transect_station12; north-transect_station13; north-transect_station14; north-transect_station15; north-transect_station16; north-transect_station17; north-transect_station18; north-transect_station19; north-transect_station20; north-transect_station21; north-transect_station22; north-transect_station23; north-transect_station24; north-transect_station25; Physical oceanographic data; PHYTO-FRONT; Salinity; South Pacific; south-transect_station1; south-transect_station10; south-transect_station11; south-transect_station2; south-transect_station3; south-transect_station4; south-transect_station5; south-transect_station6; south-transect_station7; south-transect_station8; south-transect_station9; Temperature, water; total and size-fractionated chlorophyll-a
    Type: Dataset
    Format: text/tab-separated-values, 36165 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 3
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    Physical oceanography, inorganic nutrients, dissolved and particulate organic carbon and nitrogen during FLUXES-1 cruise to the Cape Verde Frontal Zone in 2017 (2022)
    PANGAEA
    Details
    Publication Date: 2024-03-22
    Description: The Cape Verde Frontal Zone (CVFZ) is a highly dynamic region located in the southern boundary of the Canary Current Eastern Boundary Upwelling Ecosystem. Due to the interaction of the Cape Verde Front with the Mauritanian coastal upwelling, the area features large vertical and horizontal export fluxes of organic matter. Full-depth profiles were recorded during FLUXES I cruise, with four consecutive transects defining a box embracing the giant filament of Cape Blanc and the Cape Verde front. Fifteen levels were sampled in medium and long stations (down to 4000 dbar) and 10 levels in short stations (down to 2000 dbar) where inorganic nutrients (NO3, NO2, Si(OH)4 and PO4), dissolved organic carbon/total dissolved nitrogen (DOC/TDN), and suspended particulate organic carbon and nitrogen (POC and PON) were sampled. Micromolar concentrations of nutrient salts were determined simultaneously by segmented flow analysis in an Alliance Futura autoanalyser. The determination of suspended POC and PON was carried out by high temperature catalytic oxidation at 900 °C in a Perkin Elmer 2400 elemental analyser. DOC and TDN were analysed by high temperature catalytic oxidation at 680 °C with a Shimadzu TOC-V analyser connected in line with a TNM1 measuring unit. Alongside with water samples conductivity, temperature and depth (CTD; SeaBird SBE911 plus), and dissolved oxygen (SeaBird SBE43), fluorescence of chlorophyll (SeaPoint SCF), and turbidity (SeaPoint STM) were measured. CTD conductivity was calibrated with water samples taken from the rosette and analysed on board with a Guildline 8410-A Portasal salinometer. Samples for dissolved oxygen (O2) determination were analysed on board by the Winkler potentiometric method. The chlorophyll (Chl) fluorescence sensor was calibrated with water samples taken at 4 depths in the photic layer which were estimated fluorometrically by means of a Turner Designs bench fluorometer 10-AU.
    Keywords: 29SG20170711; 29SG20170711_10-1; 29SG20170711_1-1; 29SG20170711_11-1; 29SG20170711_12-1; 29SG20170711_13-1; 29SG20170711_14-1; 29SG20170711_15-1; 29SG20170711_16-1; 29SG20170711_17-1; 29SG20170711_18-1; 29SG20170711_19-1; 29SG20170711_20-1; 29SG20170711_2-1; 29SG20170711_21-1; 29SG20170711_22-1; 29SG20170711_23-1; 29SG20170711_24-1; 29SG20170711_25-1; 29SG20170711_26-1; 29SG20170711_27-1; 29SG20170711_28-1; 29SG20170711_29-1; 29SG20170711_30-1; 29SG20170711_3-1; 29SG20170711_31-1; 29SG20170711_32-1; 29SG20170711_33-1; 29SG20170711_34-1; 29SG20170711_35-1; 29SG20170711_4-1; 29SG20170711_5-1; 29SG20170711_6-1; 29SG20170711_7-1; 29SG20170711_8-1; 29SG20170711_9-1; Biogeochemical impact of mesoscale and sub-mesoscale processes along the life history of cyclonic and anticyclonic eddies: plankton variability and productivity; Bottle number; Campaign; Cape Verde Frontal Zone; Carbon, organic, dissolved; Carbon, organic, particulate; Carbon cycling; Cast number; Chlorophyll fluorometer, Seapoint, Seapoint chlorophyll fluorometer; Constraining organic carbon fluxes in an eastern boundary upwelling ecosystem (NW Africa): the role of non-sinking carbon in the context of the biological pump; Cruise/expedition; CTD, Sea-Bird, SBE43; CTD, Sea-Bird SBE 911plus; CTD/Rosette; CTD-RO; DATE/TIME; DEPTH, water; Dissolved Organic Matter; e-IMPACT; Elemental analyzer, Perkin Elmer, 2400; Event label; Fluorescence, chlorophyll; FLUXES; FLUXES I; LATITUDE; LONGITUDE; Nitrate; Nitrite; Nitrogen, organic, particulate; Nitrogen, total dissolved; nitrogen cycling; Oxygen; particulate organic matter; Phosphate; Pressure, water; Quality flag, carbon, organic, dissolved; Quality flag, carbon, organic, particulate; Quality flag, fluorescence, chlorophyll; Quality flag, nitrate; Quality flag, nitrite; Quality flag, nitrogen, organic, particulate; Quality flag, nitrogen, total dissolved; Quality flag, oxygen; Quality flag, phosphate; Quality flag, salinity; Quality flag, silicic acid; Salinity; Sarmiento de Gamboa; Segmented flow analyzer (Alliance Futura); Shimadzu TOC-V CSH total organic carbon analyzer coupled to TNM-1 nitrogen analyzer; Silicic acid; Station label; SUMMER; Sustainable Management of Mesopelagic Resources; Temperature, water; water masses; Winkler potentiometric after Langdon (2010)
    Type: Dataset
    Format: text/tab-separated-values, 12905 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 4
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    In situ observational data of chlorophyll a of central-southern Chile (2020)
    PANGAEA
    Details
    Publication Date: 2024-04-15
    Description: This dataset contains total and size-fractionated chlorophyll a samples in the micro-, nano- and pico-phytoplankton range collected in the upper layer (0, 5, 10, 15, 20, 30, and 40 m depth).
    Keywords: Bottle, Niskin 8-L; central-southern Chile; Chlorophyll a; Chlorophyll a microplankton; Chlorophyll a nanoplankton; Chlorophyll a picoplankton; DEPTH, water; Event label; LATITUDE; LONGITUDE; Macro-nutrients; microdiatoms abundance; MULT; Multiple investigations; NIS_8L; north-transect_station12; north-transect_station14; north-transect_station16; north-transect_station18; north-transect_station20; north-transect_station22; north-transect_station24; north-transect_station25; north-transect_station26; Physical oceanographic data; PHYTO-FRONT; South Pacific; south-transect_station1; south-transect_station10; south-transect_station11; south-transect_station2; south-transect_station3; south-transect_station4; south-transect_station5; south-transect_station6; south-transect_station7; south-transect_station8; south-transect_station9; total and size-fractionated chlorophyll-a
    Type: Dataset
    Format: text/tab-separated-values, 488 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 5
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    Unknown
    In situ observational data of phytoplankton composition and distribution of central-southern Chile (2020)
    PANGAEA
    Details
    Publication Date: 2024-04-15
    Description: This dataset contains plankton samples collected with Niskin bottles in the upper layer (0, 5, 10, 15, 20, 30, and 40 m depth) for composition and abundance of the micro-phytoplankton (microdiatoms) size fraction.
    Keywords: Bottle, Niskin 8-L; central-southern Chile; Chaetoceros debilis; DEPTH, water; Diatoms; Event label; LATITUDE; LONGITUDE; Macro-nutrients; microdiatoms abundance; MULT; Multiple investigations; NIS_8L; north-transect_station12; north-transect_station14; north-transect_station16; north-transect_station18; north-transect_station20; north-transect_station22; north-transect_station24; north-transect_station25; north-transect_station26; Physical oceanographic data; PHYTO-FRONT; Pseudo-nitzschia pseudodelicatissima; South Pacific; south-transect_station1; south-transect_station10; south-transect_station11; south-transect_station2; south-transect_station3; south-transect_station4; south-transect_station5; south-transect_station6; south-transect_station7; south-transect_station8; south-transect_station9; total and size-fractionated chlorophyll-a
    Type: Dataset
    Format: text/tab-separated-values, 420 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 6
    facet.materialart.
    Unknown
    In situ observational data of macro-nutrients of central-southern Chile (2020)
    PANGAEA
    Details
    Publication Date: 2024-04-15
    Description: This dataset contains nutrient measurements (nitrate, phosphate and silicate) from samples collected with Niskin bottles in the upper layer (0, 5, 10, 15, 20, 30, and 40 m depth).
    Keywords: Bottle, Niskin 8-L; central-southern Chile; DEPTH, water; Event label; LATITUDE; LONGITUDE; Macro-nutrients; microdiatoms abundance; MULT; Multiple investigations; NIS_8L; Nitrate; north-transect_station12; north-transect_station14; north-transect_station16; north-transect_station18; north-transect_station20; north-transect_station22; north-transect_station24; north-transect_station25; north-transect_station26; Phosphate; Physical oceanographic data; PHYTO-FRONT; Silicate; South Pacific; south-transect_station1; south-transect_station10; south-transect_station11; south-transect_station2; south-transect_station3; south-transect_station4; south-transect_station5; south-transect_station6; south-transect_station7; south-transect_station8; south-transect_station9; total and size-fractionated chlorophyll-a
    Type: Dataset
    Format: text/tab-separated-values, 420 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 7
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    Tracking the Mediterranean outflow in the Gulf of Cadiz (2017)
    Elsevier
    In:  Progress in Oceanography, 157 . pp. 47-71.
    Details
    Publication Date: 2020-02-06
    Description: Highlights • We track the preferential pathways of the Mediterranean Outflow Water (MOW). • A topographic analysis method is used to identify the MOW hydrological avenues. • Contour avenues and cross-slope channels have complementary roles steering the MOW. • The MOW is a density-driven current steered by both bottom topography and the Coriolis force. Abstract The Mediterranean Water leaves the western end of the Strait of Gibraltar as a bottom wedge of salty and warm waters flowing down the continental slope. The salinity of the onset Mediterranean Outflow Water (MOW) is so high that leads to water much denser (initially in excess of 1.5 kg m−3) than the overlying central waters. During much of its initial descent, the MOW retains large salinity anomalies – causing density anomalies that induce its gravity current character – and relatively high westward speeds – causing a substantial Coriolis force over long portions of its course. We use hydrographic data from six cruises (a total of 1176 stations) plus velocity data from two cruises, together with high-resolution bathymetric data, to track the preferential MOW pathways from the Strait of Gibraltar into the western Gulf of Cadiz and to examine the relation of these pathways to the bottom topography. A methodology for tributary systems in drainage basins, modified to account for the Coriolis force, emphasizes the good agreement between the observed trajectories and those expected from a topographically-constrained flow. Both contour avenues and cross-slope channels are important and have complementary roles steering the MOW along the upper and middle continental slope before discharging as a neutrally buoyant flow into the western Gulf of Cadiz. Our results show that the interaction between bottom flow and topography sets the path and final equilibrium depths of the modern MOW. Furthermore, they support the hypothesis that, as a result of the high erosive power of the bottom flow and changes in bottom-water speed, the MOW pathways and mixing rates have changed in the geological past.
    Type: Article , PeerReviewed
    Format: text
    DOI: 10.1016/j.pocean.2017.05.015
    Location Call Number Limitation Availability
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    OceanRep: Article in a Scientific Journal - peer-reviewed
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