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Yang, Fangming; Song, Guisheng; Massicotte, Philippe; Wei, Hao; Xie, Huixiang (2020): Vertical profiles of dissolved organic matter in irradiated vs. unirradiated samples from SEATS and F2 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.910557, In: Yang, F et al. (2020): Photochemical lability of dissolved organic matter in the western tropical Pacific Ocean [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.910566

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Published: 2020-01-09 • DOI registered: 2020-05-20

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Abstract:
Two stations were visited in the western tropical Pacific Ocean: The South-East Asia Time-series Station (SEATS) in the northern South China Sea (SCS) and station F2 in the Philippine Sea, ~230 km to the northeast of the Luzon Strait. Water samples were taken aboard the R/V Dong-Fang-Hong 2 in July and August 2017 from 13 depths between 5 m and 3800 m at SEATS and 11 depths between 5 m and 3200 m at F2 using Niskin bottles mounted on a SeaBird 911 conductivity-temperature-depth (CTD) rosette sampler. Lab irradiation experiments of samples from different sampling depth were carried out. The samples were irradiated for 6 days under a SUNTEST XLS+ solar simulator equipped with a 1.5 kW xenon lamp and a special UV filter to remove radiation at wavelengths <290 nm. The samples before and after irradiation were defined as 'unirradiated samples' and 'irradiated samples', respectively. This table lists the chemical and optical properties of dissolved organic matter at different sampling depth before and after 6-d irradiation.
Keyword(s):
bio-refractory DOC; CDOM; DOM; FDOM; oceans; Photochemistry
Supplement to:
Yang, Fangming; Song, Guisheng; Massicotte, Philippe; Wei, Hao; Xie, Huixiang (2020): Depth-resolved photochemical lability of dissolved organic matter in the western tropical Pacific Ocean. Journal of Geophysical Research: Biogeosciences, 125(3), e2019JG005425, https://doi.org/10.1029/2019JG005425
Coverage:
Median Latitude: 20.017500 * Median Longitude: 119.502000 * South-bound Latitude: 18.011000 * West-bound Longitude: 115.979000 * North-bound Latitude: 22.024000 * East-bound Longitude: 123.025000
Minimum DEPTH, water: 5 m * Maximum DEPTH, water: 3800 m
Event(s):
DO201707-08_F2 * Latitude: 22.024000 * Longitude: 123.025000 * Elevation: 3200.0 m * Location: Philippine Sea * Campaign: DO201707-08 * Basis: Dong Fang Hong 2 * Method/Device: Bottle, Niskin (NIS)
DO201707-08_SEATS (South-East Asia Time-series Station) * Latitude: 18.011000 * Longitude: 115.979000 * Elevation: 3800.0 m * Location: South China Sea * Campaign: DO201707-08 * Basis: Dong Fang Hong 2 * Method/Device: Bottle, Niskin (NIS)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1Event labelEventYang, Fangming
2Latitude of eventLatitudeYang, Fangming
3Longitude of eventLongitudeYang, Fangming
4DEPTH, waterDepth watermYang, FangmingGeocode
5Carbon, organic, dissolvedDOCµmol/lYang, FangmingTotal organic carbon analyzer, Shimadzu, TOC-LBefore 6-day
6Carbon, organic, dissolved, standard deviationDOC std dev±Yang, FangmingTotal organic carbon analyzer, Shimadzu, TOC-LBefore 6-day
7Carbon, organic, dissolvedDOCµmol/lYang, FangmingTotal organic carbon analyzer, Shimadzu, TOC-LAfter 6-day
8Carbon, organic, dissolved, standard deviationDOC std dev±Yang, FangmingTotal organic carbon analyzer, Shimadzu, TOC-LAfter 6-day
9Absorption coefficient, 330 nmac3301/mYang, FangmingSpectrophotometer Shimadzu UV-2550Before 6-day absorption coefficient of chromophoric dissolved organic matter
10Absorption coefficient, 330 nm, standard deviationac330 std dev±Yang, FangmingSpectrophotometer Shimadzu UV-2550Before 6-day
11Absorption coefficient, 330 nmac3301/mYang, FangmingSpectrophotometer Shimadzu UV-2550After 6-day absorption coefficient of chromophoric dissolved organic matter
12Absorption coefficient, 330 nm, standard deviationac330 std dev±Yang, FangmingSpectrophotometer Shimadzu UV-2550After 6-day
13Spectral slope of colored dissolved organic matter absorption, 275-295 nmS275-2951/nmYang, FangmingCalculated from absorption spectraBefore 6-day
14Spectral slope of colored dissolved organic matter absorption, 275-295 nm, standard deviationS275-295±Yang, FangmingCalculated from absorption spectraBefore 6-day
15Spectral slope of colored dissolved organic matter absorption, 275-295 nmS275-2951/nmYang, FangmingCalculated from absorption spectraAfter 6-day
16Spectral slope of colored dissolved organic matter absorption, 275-295 nm, standard deviationS275-295±Yang, FangmingCalculated from absorption spectraAfter 6-day
17Fluorescence, humic-like, componentChRUYang, FangmingFluorescence spectrometer (Hitachi F4600)Before 6-day
18Fluorescence, humic-like, component, standard deviationCh std dev±Yang, FangmingFluorescence spectrometer (Hitachi F4600)Before 6-day
19Fluorescence, humic-like, componentChRUYang, FangmingFluorescence spectrometer (Hitachi F4600)After 6-day
20Fluorescence, humic-like, component, standard deviationCh std dev±Yang, FangmingFluorescence spectrometer (Hitachi F4600)After 6-day
21Fluorescence, protein-like, componentCpRUYang, FangmingFluorescence spectrometer (Hitachi F4600)Before 6-day
22Fluorescence, protein-like, component, standard deviationCp std dev±Yang, FangmingFluorescence spectrometer (Hitachi F4600)Before 6-day
23Fluorescence, protein-like, componentCpRUYang, FangmingFluorescence spectrometer (Hitachi F4600)After 6-day
24Fluorescence, protein-like, component, standard deviationCp std dev±Yang, FangmingFluorescence spectrometer (Hitachi F4600)After 6-day
25Fluorescence, humic-like/protein-like ratioCh/CpYang, FangmingFluorescence spectrometer (Hitachi F4600)Before 6-day
26Fluorescence, humic-like/protein-like ratio, standard deviationCh/Cp std dev±Yang, FangmingFluorescence spectrometer (Hitachi F4600)Before 6-day
27Fluorescence, humic-like/protein-like ratioCh/CpYang, FangmingFluorescence spectrometer (Hitachi F4600)After 6-day
28Fluorescence, humic-like/protein-like ratio, standard deviationCh/Cp std dev±Yang, FangmingFluorescence spectrometer (Hitachi F4600)After 6-day
License:
Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International (CC-BY-NC-ND-4.0)
Size:
576 data points

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