Particulate chlorophyll data set from samples collected using ship’s surface underway system taken on board of the R/V Oceanus OC1701A, OC1611B, OC1603B, OC1602A, OC1601A in the Oregon Coast (47-43 N, 126-124 W) from 2016 to 2017 (NCEI Accession 0278423)
This dataset contains biological and physical data collected on R/V Oceanus during cruises OC1601A, OC1602A, OC1603B, OC1611B, and OC1701A from 2016-01-23 to 2017-01-16. These data include chl_tot and salinity calculated from CTD primary sensors. The instruments used to collect these data include Sea-Bird SBE 38 Remote Digital Immersion Thermometer, Sea-Bird SBE 45 MicroTSG Thermosalinograph, Sea-Bird SBE 48 Hull Temperature Sensor, and Turner Designs Fluorometer 10-AU. These data were collected by Elizabeth R. Corvi, Emmanuel Alegria, Katie Watkins-Brandt, Kylie A. Welch, and Miguel A. Goni of Oregon State University and Angelicque E. White of University of Hawaii at Manoa as part of the "Coastal Ocean Carbon Cycling during Wintertime Conditions (CCAW)" project. The Biological and Chemical Oceanography Data Management Office (BCO-DMO) submitted these data to NCEI on 2020-07-24.
The following is the text of the dataset description provided by BCO-DMO:
Dataset Description:
These data are part of a manuscript submitted to Continental Shelf Research:
Goñi, M.A., Welch, K.A., Alegria, E., Alleau Y., Watkins-Brandt, K., White, A.E. (submitted) Wintertime Particulate Organic Matter Distributions in Surface Waters of the Northern California Current System. Continental Shelf Research.
The data are shown in figures in the manuscript (Figure 7) and in supplementary information (Figure 4S).
The following is the text of the dataset description provided by BCO-DMO:
Dataset Description:
These data are part of a manuscript submitted to Continental Shelf Research:
Goñi, M.A., Welch, K.A., Alegria, E., Alleau Y., Watkins-Brandt, K., White, A.E. (submitted) Wintertime Particulate Organic Matter Distributions in Surface Waters of the Northern California Current System. Continental Shelf Research.
The data are shown in figures in the manuscript (Figure 7) and in supplementary information (Figure 4S).
Dataset Citation
- Cite as: Goni, Miguel A.; White, Angelicque E.; Alegria, Emmanuel; Corvi, Elizabeth R.; Watkins-Brandt, Katie; Welch, Kylie A. (2023). Particulate chlorophyll data set from samples collected using ship’s surface underway system taken on board of the R/V Oceanus OC1701A, OC1611B, OC1603B, OC1602A, OC1601A in the Oregon Coast (47-43 N, 126-124 W) from 2016 to 2017 (NCEI Accession 0278423). [indicate subset used]. NOAA National Centers for Environmental Information. Dataset. https://www.ncei.noaa.gov/archive/accession/0278423. Accessed [date].
Dataset Identifiers
ISO 19115-2 Metadata
gov.noaa.nodc:0278423
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NOAA National Centers for Environmental Information +1-301-713-3277 NCEI.Info@noaa.gov |
Dataset Point of Contact |
NOAA National Centers for Environmental Information ncei.info@noaa.gov |
Time Period | 2016-01-23 to 2017-01-16 |
Spatial Bounding Box Coordinates |
West: -125.009
East: -123.97815
South: 43.4996
North: 45.7415
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Dataset Progress Status | Complete - production of the data has been completed Historical archive - data has been stored in an offline storage facility |
Data Update Frequency | As needed |
Supplemental Information | Acquisition Description: Full details for collection and analyses of underway Chl samples are provided by Goñi et al., submitted . Brief summaries are provided below. Samples for this study were collected aboard RV Oceanus using the surface underway scientific system. Aboard the vessel we had access to uncontaminated seawater and collected samples at specific times that allowed us to determine location (latitude and longitude) and seawater characteristics (temperature and salinity) from the ships’ navigation and sensor panels. We used a semi-automated filtration system (SAFS) described by Goñi et al., (2019) connected to Oceanus surface underway water to collect particulate samples for chlorophyll analyis. Surface underway water was connected to the SAFS through a manual flow-control valve via opaque polyethylene tubing. A fly wheel flow meter was placed in-line and connected to a laptop computer using a data acquisition system to measure and record flows during the filtration stage. A switching valve with 8 ports was placed downstream from the flow meter and controlled by the laptop. Under stand-by conditions, flow was directed to the ‘waste’ port, which was fitted with unobstructed tubing that drained into one of the ship’s sinks and flowed back to sea. For Chlorophyll (Chl) measurements, samples were collected via the SAFS using 25 mm pre-combusted GF/F membranes placed inside stainless steel filter holders. Once filters were fitted in each of the sample ports, the filtration program was started to collect samples at selected intervals. Once the filtration run was completed, the filter housings were removed from the SAFS, opened, and each individual filter placed in a closed container and stored in -80oC freezer until analyses. Each sample was assigned a specific time stamp (start-end of filtration process) that coincided with the ship’s clock and allowed us to retrieve location and oceanographic data for each sample, as well as determine an overall filtration volume, which was used to calculate total chlorophyll concentrations once analyses were completed. Samples were processed and analyzed following the method outlined in Strickland and Parsons (1972). Brifely, chlorophyll a concentrations were determined using the method of where samples were extracted in 90% acetone for 48 hours at -20°C in the dark and measured fluorometrically using a Turner Designs 10-AU fluorometer. References cited: Strickland & Parson, 1972; Goñi et al., 2019; Goñi et al., submitted. |
Purpose | This dataset is available to the public for a wide variety of uses including scientific research and analysis. |
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Last Modified: 2024-05-31T15:15:28Z
For questions about the information on this page, please email: ncei.info@noaa.gov
For questions about the information on this page, please email: ncei.info@noaa.gov