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  • 1
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    Unknown
    Photochemical lability of dissolved organic matter in the western tropical Pacific Ocean (2020)
    PANGAEA
    Details
    Publication Date: 2023-01-30
    Description: Water samples collected from various depths of offshore South China and Philippine Seas were exposed to solar-simulated radiation. Photomineralization of dissolved organic carbon (DOC) and photobleaching of chromophoric DOM (CDOM) and its humic-like fluorescent constituent (FDOM) were observed in all samples.
    Keywords: bio-refractory DOC; CDOM; DOM; FDOM; oceans; Photochemistry
    Type: Dataset
    Format: application/zip, 5 datasets
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 2
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    Vertical profiles of temperature and salinity at SEATS and F2 (2020)
    PANGAEA
    Details
    Publication Date: 2023-01-30
    Description: 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. Vertical distribution of temperature and salinity with a depth interval of 1 m were obtained by CTD.
    Keywords: bio-refractory DOC; Bottle, Niskin; CDOM; CTD, Seabird; CTD-R; DEPTH, water; DO201707-08; DO201707-08_F2; DO201707-08_SEATS; DOM; Dongfanghong 2; Event label; FDOM; Latitude of event; Longitude of event; NIS; oceans; Philippine Sea; Photochemistry; Salinity; South China Sea; South-East Asia Time-series Station; Temperature, water
    Type: Dataset
    Format: text/tab-separated-values, 13996 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 3
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    Vertical profiles of dissolved organic matter in irradiated vs. unirradiated samples from SEATS and F2 (2020)
    PANGAEA
    Details
    Publication Date: 2023-01-30
    Description: 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.
    Keywords: Absorption coefficient, 330 nm; Absorption coefficient, 330 nm, standard deviation; bio-refractory DOC; Bottle, Niskin; Calculated from absorption spectra; Carbon, organic, dissolved; Carbon, organic, dissolved, standard deviation; CDOM; DEPTH, water; DO201707-08; DO201707-08_F2; DO201707-08_SEATS; DOM; Dongfanghong 2; Event label; FDOM; Fluorescence, humic-like, component; Fluorescence, humic-like, component, standard deviation; Fluorescence, humic-like/protein-like ratio; Fluorescence, humic-like/protein-like ratio, standard deviation; Fluorescence, protein-like, component; Fluorescence, protein-like, component, standard deviation; Fluorescence spectrometer (Hitachi F4600); Latitude of event; Longitude of event; NIS; oceans; Philippine Sea; Photochemistry; Shimadzu TOC-L total organic carbon analyzer; South China Sea; South-East Asia Time-series Station; Spectral slope of colored dissolved organic matter absorption, 275-295 nm; Spectral slope of colored dissolved organic matter absorption, 275-295 nm, standard deviation; Spectrophotometer Shimadzu UV-2550
    Type: Dataset
    Format: text/tab-separated-values, 576 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 4
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    Vertical profiles of photochemically induced percent changes in dissolved organic matter in samples from SEATS and F2 (2020)
    PANGAEA
    Details
    Publication Date: 2023-01-30
    Description: 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. The percentage change of different parameters was calculated as the ratio of the signal difference of property X before and after irradiation to that before irradiation.
    Keywords: bio-refractory DOC; Bottle, Niskin; CDOM; Change; Change, standard deviation; DEPTH, water; DO201707-08; DO201707-08_F2; DO201707-08_SEATS; DOM; Dongfanghong 2; Event label; FDOM; Latitude of event; Longitude of event; NIS; oceans; Philippine Sea; Photochemistry; South China Sea; South-East Asia Time-series Station
    Type: Dataset
    Format: text/tab-separated-values, 288 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 5
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    Time-course changes in dissolved organic matter in bottommost water samples from SEATS and F2 over a 10-d exposure to solar-simulated radiation (2020)
    PANGAEA
    Details
    Publication Date: 2023-01-30
    Description: 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 irradiation with sampling time at 0, 1, 3, 5, 7, and 10 d was conducted for the bottommost samples from SEATS and F2. 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.
    Keywords: Absorption coefficient, 330 nm; Absorption coefficient, 330 nm, standard deviation; bio-refractory DOC; Bottle, Niskin; CDOM; Day of experiment; DEPTH, water; DO201707-08; DO201707-08_F2; DO201707-08_SEATS; DOM; Dongfanghong 2; Event label; FDOM; Fluorescence, humic-like, component; Fluorescence, humic-like, component, standard deviation; Fluorescence, protein-like, component; Fluorescence, protein-like, component, standard deviation; Fluorescence spectrometer (Hitachi F4600); Latitude of event; Longitude of event; NIS; oceans; Philippine Sea; Photochemistry; South China Sea; South-East Asia Time-series Station; Spectrophotometer Shimadzu UV-2550
    Type: Dataset
    Format: text/tab-separated-values, 84 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 6
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    Temporal evolution of dissolved organic matter properties of bottommost water sample from F2 during dark incubation (2020)
    PANGAEA
    Details
    Publication Date: 2023-02-12
    Description: 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.
    Keywords: Absorption coefficient, 330 nm; Absorption coefficient, 330 nm, standard deviation; bio-refractory DOC; Bottle, Niskin; Calculated from absorption spectra; Carbon, organic, dissolved; Carbon, organic, dissolved, standard deviation; CDOM; DEPTH, water; DO201707-08; DO201707-08_F2; DOM; Dongfanghong 2; Duration, number of days; Experimental treatment; FDOM; Fluorescence, humic-like, component; Fluorescence, humic-like, component, standard deviation; Fluorescence, protein-like, component; Fluorescence, protein-like, component, standard deviation; Fluorescence spectrometer (Hitachi F4600); NIS; oceans; Philippine Sea; Photochemistry; Shimadzu TOC-L total organic carbon analyzer; Spectral slope of colored dissolved organic matter absorption, 275-295 nm; Spectral slope of colored dissolved organic matter absorption, 275-295 nm, standard deviation; Spectrophotometer Shimadzu UV-2550
    Type: Dataset
    Format: text/tab-separated-values, 168 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 7
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    Sensors, Vol. 16, Pages 1574: Patterns-of-Life Aided Authentication (2016)
    MDPI Publishing
    In: Sensors
    Details
    Publication Date: 2016-09-24
    Description: Wireless Body Area Network (WBAN) applications have grown immensely in the past few years. However, security and privacy of the user are two major obstacles in their development. The complex and very sensitive nature of the body-mounted sensors means the traditional network layer security arrangements are not sufficient to employ their full potential, and novel solutions are necessary. In contrast, security methods based on physical layers tend to be more suitable and have simple requirements. The problem of initial trust needs to be addressed as a prelude to the physical layer security key arrangement. This paper proposes a patterns-of-life aided authentication model to solve this issue. The model employs the wireless channel fingerprint created by the user’s behavior characterization. The performance of the proposed model is established through experimental measurements at 2.45 GHz. Experimental results show that high correlation values of 0.852 to 0.959 with the habitual action of the user in different scenarios can be used for auxiliary identity authentication, which is a scalable result for future studies.
    Electronic ISSN: 1424-8220
    Topics: Chemistry and Pharmacology , Electrical Engineering, Measurement and Control Technology
    Published by MDPI Publishing
    Location Call Number Limitation Availability
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    PAPER CURRENT
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