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Yang, Fangming; Song, Guisheng; Massicotte, Philippe; Wei, Hao; Xie, Huixiang (2020): Temporal evolution of dissolved organic matter properties of bottommost water sample from F2 during dark incubation [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.910565, 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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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. A time-course dark incubation (50 days) with sampling time at 0, 3, 7, 11, 15, 23, 34 and 50 d was conducted for the bottommost sample from F2 with and without prior exposure to solar radiation. The value of different parameters was calculated as the ratio of the signal of property X at irradiation time t to that at time zero.
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:
Latitude: 22.024000 * Longitude: 123.025000
Minimum DEPTH, water: 3200 m * Maximum DEPTH, water: 3200 m
Event(s):
DO201707-08_F2 * Latitude: 22.024000 * Longitude: 123.025000 * Elevation: 3200.0 m * Location: Philippine Sea * Campaign: DO201707-08 * Basis: Dongfanghong 2 * Method/Device: Bottle, Niskin (NIS)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1DEPTH, waterDepth watermYang, FangmingGeocode
2Experimental treatmentExp treatYang, Fangming
3Duration, number of daysDurationdaysYang, Fangming
4Carbon, organic, dissolvedDOCµmol/lYang, FangmingShimadzu TOC-L total organic carbon analyzer
5Carbon, organic, dissolved, standard deviationDOC std dev±Yang, FangmingShimadzu TOC-L total organic carbon analyzer
6Absorption coefficient, 330 nmac3301/mYang, FangmingSpectrophotometer Shimadzu UV-2550absorption coefficient of chromophoric dissolved organic matter
7Absorption coefficient, 330 nm, standard deviationac330 std dev±Yang, FangmingSpectrophotometer Shimadzu UV-2550
8Spectral slope of colored dissolved organic matter absorption, 275-295 nmS275-2951/nmYang, FangmingCalculated from absorption spectra
9Spectral slope of colored dissolved organic matter absorption, 275-295 nm, standard deviationS275-295±Yang, FangmingCalculated from absorption spectra
10Fluorescence, humic-like, componentChRUYang, FangmingFluorescence spectrometer (Hitachi F4600)
11Fluorescence, humic-like, component, standard deviationCh std dev±Yang, FangmingFluorescence spectrometer (Hitachi F4600)
12Fluorescence, protein-like, componentCpRUYang, FangmingFluorescence spectrometer (Hitachi F4600)
13Fluorescence, protein-like, component, standard deviationCp std dev±Yang, FangmingFluorescence spectrometer (Hitachi F4600)
Size:
168 data points

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