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OAS accession Detail for 0278456
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| accessions_id: | 0278456 | archive |
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| Title: | Absorption coefficients of colored dissolved organic matter (CDOM) along US GEOTRACES North Atlantic Transect from the R/V Knorr KN199-04 cruise in the subtropical N. Atlantic in 2010 (U.S. GEOTRACES NAT project) (NCEI Accession 0278456) |
| Abstract: | This dataset contains optical and physical data collected on R/V Knorr during cruise KN199-04 in the North Atlantic Ocean from 2010-10-16 to 2010-11-02. These data include depth and wavelength. The instruments used to collect these data include Pump surface and Spectrophotometer with Liquid Core Waveguide- WPI. These data were collected by Charles McClain and Joaquin Chaves of National Aeronautics and Space Administration as part of the "U.S. GEOTRACES North Atlantic Transect (U.S. GEOTRACES NAT)" project and "U.S. GEOTRACES (U.S. GEOTRACES)" program. The Biological and Chemical Oceanography Data Management Office (BCO-DMO) submitted these data to NCEI on 2020-03-27. The following is the text of the dataset description provided by BCO-DMO: Absorption coefficients of Colored Dissolved Organic matter (CDOM) Dataset Description: Optical absorption coefficient of chromophoric dissolved organic matter (aCDOM) on samples collected during Geotraces 2010 (kn199-04). Note : These data are considered preliminary. As per PI: "CDOM data will be, unfortunately, sent as "preliminary" since our efforts to develop a satisfactory salinity correction did not yield convincing results. We will have to reanalyze the data from the stored samples. The relative magnitudes of the samples are probably OK, which is probably good, if anybody wants to use the data as a conservative tracer, but absolute magnitudes are suspect. Lots of negative values might be a good hint." The following metadata was extracted from the original file header: /begin_header /investigators=Charles_McClain Joaquin_Chaves /affiliations=NASA /contact=joaquin.chaves@nasa.gov /experiment=GEOTRACES /cruise=kn199-4 /station=NA /data_file_name=kn199-4_CDOM_reportBCDMO.csv /documents=CDOM_protocols.pdf /calibration_files=NA /data_type=bottle /data_status=preliminary /start_date=20101016 /end_date=20101103 /start_time=15:10:00[GMT] /end_time=00:19:00[GMT] /north_latitude=38.3307[DEG] /south_latitude=17.3497[DEG] /east_longitude=-9.66[DEG] /west_longitude=-24.4998[DEG] /water_depth=-999 /measurement_depth=-999 /secchi_depth=-999 /wind_speed=-999 /cloud_percent=-999 /wave_height=-999 ! !The field "replicates" indicates how many replicate samples were !averaged to produce the reported value ! /missing=-999 /delimiter=comma |
| Date received: | 20200327 |
| Start date: | 20101016 |
| End date: | 20101102 |
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| West boundary: | -24.5 |
| East boundary: | -9.66 |
| North boundary: | 38.331 |
| South boundary: | 17.35 |
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| Submitter: | |
| Submitting institution: | Biological and Chemical Oceanography Data Management Office |
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| Supplementary information: | Acquisition Description: Methods for the Collection and Measurement of the Spectral Absorption Coefficient (a g λ) of Chromophoric Dissolved Organic Matter (CDOM): Seawater samples for the measurement of chromophoric dissolved organic matter (CDOM) absorption (a g ) are filtered under a gentle vacuum ( |
| Availability date: | |
| Metadata version: | 1 |
| Keydate: | 2023-05-19 04:33:23+00 |
| Editdate: | 2023-05-19 04:34:19+00 |