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Corredor-Acosta, Andrea; Iriarte, Jose Luis (2023): In situ observational data of particulate organic carbon off western Patagonia in Jan/Feb 2017 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.958290

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Published: 2023-06-15 • DOI registered: 2023-07-14

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Abstract:
The dataset compiles in situ observational data obtained during the R/V Mirai MR16-09 cruise (2017-01-21 to 2017-02-03) off western Patagonia, Chile. Seawater samples for particulate organic carbon (POC) concentration (one replica) were collected from 0, 25, and 200 m in 1-4.5 L polycarbonate bottles. The samples for POC concentration were filtered immediately onto pre-combusted (450°C for 6h) GF/F filters (Whatman, Kent, UK). Samples collected from surface and 25 m depth were incubated on-deck in an incubator cooling by recirculated sea surface water and samples from the aphotic zone were incubated in a thermostatic incubator under dark condition. The incubations were terminated by gentle vacuum filtration of the samples through a pre-combusted GF/F filter after 24 h. The filters were kept frozen before laboratory analysis. The filters were dried at 50°C overnight, and then exposed to hydrogen chloride (HCl) fumes for 2 h. Total carbon was determined using a mass spectrometer (DELTA V advantage - Thermo Electron, Waltham, Massachusetts, USA) connected to an elemental analyzer (Flash EA - Thermo Electron).
Keyword(s):
diatoms abundance; dinoflagellates abundance; dissolved oxygen; Macro-nutrients; particulate organic carbon (POC); Physical oceanographic data; primary production; Western Patagonia Chile
Supplement to:
Corredor-Acosta, Andrea; Galán, Alexander; Saldias, Gonzalo S; Mardones, Jorge I; Medellin-Mora, Johanna; Frangopulos, Máximo; Shiozaki, Takuhei; Harada, Naomi; Iriarte, Jose Luis (in prep.): Biogeochemical characteristics and phytoplankton composition off western Patagonia during the summer of 2017.
Funding:
Ministry of education, Chile (CONICYT), grant/award no. 15150003: FONDAP
Coverage:
Median Latitude: -49.640425 * Median Longitude: -76.195462 * South-bound Latitude: -54.336600 * West-bound Longitude: -79.113300 * North-bound Latitude: -44.295300 * East-bound Longitude: -74.633800
Date/Time Start: 2017-01-21T15:56:00 * Date/Time End: 2017-02-03T22:56:00
Minimum DEPTH, water: 0 m * Maximum DEPTH, water: 200 m
Event(s):
MR16-09_1 * Latitude: -44.295300 * Longitude: -75.592200 * Date/Time: 2017-01-21T15:56:00 * Campaign: MR16-09 * Basis: Mirai * Method/Device: CTD/Rosette (CTD-RO)
MR16-09_6 * Latitude: -46.180100 * Longitude: -76.294000 * Date/Time: 2017-01-24T04:51:00 * Campaign: MR16-09 * Basis: Mirai * Method/Device: CTD/Rosette (CTD-RO)
MR16-09_7 * Latitude: -47.799300 * Longitude: -76.033200 * Date/Time: 2017-01-28T10:42:00 * Campaign: MR16-09 * Basis: Mirai * Method/Device: CTD/Rosette (CTD-RO)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1Event labelEventCorredor-Acosta, Andrea
2Station labelStationCorredor-Acosta, Andrea
3LATITUDELatitudeCorredor-Acosta, AndreaGeocode
4LONGITUDELongitudeCorredor-Acosta, AndreaGeocode
5Date/Time of eventDate/TimeCorredor-Acosta, Andrea
6DEPTH, waterDepth watermCorredor-Acosta, AndreaGeocode
7Carbon, organic, particulatePOCmg/m3Corredor-Acosta, AndreaIsotope ratio mass spectrometer (IRMS), Thermo Fisher Scientific, DELTA V Advantage; coupled with Elemental analyzer, Thermo Fisher Scientific, Flash EA
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
45 data points

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