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  • PANGAEA  (3,076)
  • 2020-2024  (3,076)
  • 2005-2009
  • 1985-1989
  • 1955-1959
  • 2024  (3,076)
Collection
Keywords
Publisher
Language
Years
  • 2020-2024  (3,076)
  • 2005-2009
  • 1985-1989
  • 1955-1959
Year
  • 1
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    Measurements of sea surface temperature and salinity in a large seawater basin under varying precipitation intensities and droplet characteristics (2024)
    PANGAEA
    Details
    Publication Date: 2024-07-02
    Description: We provide data from experiments with artificial rain over a 5100-liter basin with a retractable roof, where temperature and conductivity (to calculate salinity) were measured at different depths in the upper sea surface, as well as rain properties (intensity, rain temperature, droplet size and velocity). Three different nozzle types were used to investigate the impacts of droplet properties on temperature and salinity anomalies at the sea surface. To measure droplet sizes and velocities, we made calibration measurements with an optical laser disdrometer before the actual experiments. In the first experiments, we excluded external influences such as wind-driven mixing to show on a very small vertical and horizontal scale how very different rainfall intensities and properties such as droplet sizes and velocities affect sea surface temperature and salinity. In a second series of experiments, we used different stages of a flow pump to add turbulence to the basin and find out how quickly the rain water mixes with the seawater at the near-surface layer. The duration of the artificial rain was 15 minutes for all experiments. We used an acoustic doppler velocimeter (ADV) to calculate turbulent kinetic energy at two different depths (14 and 44 cm) within the basin. Additional samples from the sea surface microlayer (SML) were collected before and after the artificial rain in both experiments.
    Keywords: droplet properties; mesocosm experiment; sea surface microlayer; Sea surface salinity; Sea surface temperature
    Type: Dataset
    Format: application/zip, 8 datasets
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    DATA PANGAEA
  • 2
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    Physical oceanography during RV HEINCKE cruise HE630 (2024)
    PANGAEA
    Details
    Publication Date: 2024-07-02
    Description: Conductivity-temperature-depth profiles were measured using a Seabird SBE 911plus CTD during RV HEINCKE cruise HE630. The CTD was equipped with duplicate sensors for temperature (SBE3plus), conductivity (SBE4) and oxygen (SBE43). Additional sensors such as a WET Labs C-Star transmissometer, a WET Labs ECO-AFL fluorometer and an altimeter (PSA-916 Teledyne (Benthos)) were mounted to the CTD. Temperature, conductivity and oxygen sensors are calibrated by the manufacturer once a year before being mounted in January. They are used throughout the year and no post-cruise or in-situ calibration is applied. All other sensors are calibrated irregularly. Data were connected to the station book of the specific cruise as available in the DSHIP database. Processing of the data including removal of obvious outliers followed the procedures described in CTD Processing Logbook of RV HEINCKE (hdl:10013/epic.47427). The processing report for this dataset is linked below.
    Keywords: Attenuation, optical beam transmission; AWI_PhyOce; Chlorophyll a; Conductivity; CTD; CTD, Sea-Bird, SBE 911plus; CTD, Sea-Bird, SBE 911plus, measured with Temperature sensor, Sea-Bird, SBE3plus; CTD, Sea-Bird, SBE 911plus; calculated using SBE Data Processing Version 7.22.5; CTD, Sea-Bird, SBE 911plus; calculated using SBE Data Processing Version 7.22.5 and SEAWATER Routines; CTD, Sea-Bird, SBE 911plus; Calculation according to Morgan (1994; SEAWATER Routines); CTD, Sea-Bird, SBE 911plus; measured with Conductivity sensor, Sea-Bird, SBE 4; CTD, Sea-Bird, SBE 911plus; measured with Fluorometer, WET Labs, ECO-AFL; CTD, Sea-Bird, SBE 911plus; measured with Transmissometer, WET Labs, C-Star; CTD/Rosette; CTD-RO; Date/Time of event; Density, sigma-theta (0); DEPTH, water; EduObs2021; Event label; HE630; HE630_10-1; HE630_1-1; HE630_12-1; HE630_12-2; HE630_12-3; HE630_13-1; HE630_13-2; HE630_18-1; HE630_18-5; HE630_19-1; HE630_19-5; HE630_20-1; HE630_2-1; HE630_21-1; HE630_22-1; HE630_23-1; HE630_24-1; HE630_25-1; HE630_26-1; HE630_27-1; HE630_28-1; HE630_29-1; HE630_30-2; HE630_31-1; HE630_4-1; HE630_5-1; HE630_7-3; HE630_8-1; HE630_9-1; Heincke; Latitude of event; Longitude of event; North Sea; Number of observations; Oxygen; Oxygen saturation; Physical Oceanography @ AWI; Pressure, water; Salinity; Temperature, water; Temperature, water, potential
    Type: Dataset
    Format: text/tab-separated-values, 19401 data points
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    DATA PANGAEA
  • 3
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    Continuous thermosalinograph oceanography along RV ALKOR cruise track AL588 (2024)
    PANGAEA
    Details
    Publication Date: 2024-07-02
    Description: Underway temperature and salinity data was collected along the cruise track with a thermosalinograph (TSG) together with a SBE38 Thermometer. Both systems worked throughout the cruise. While temperature is taken at the water inlet in about 4 m depth, salinity is estimated within the interior TSG from conductivity and interior temperature. No temperature and salinity calibration was performed. For details to all processing steps see Data Processing Report.
    Keywords: AL588; AL588_0_Underway-1; Alkor (1990); Calculated from internal temperature and conductivity; Conductivity; DAM_Underway; DAM Underway Research Data; DATE/TIME; DEPTH, water; Digital oceanographic thermometer, Sea-Bird, SBE 38; LATITUDE; LONGITUDE; MARSYS; Quality flag, salinity; Quality flag, water temperature; Salinity; Seadatanet flag: Data quality control procedures according to SeaDataNet (2010); Temperature, water; Temperature, water, internal; Thermosalinograph; Thermosalinograph (TSG), Sea-Bird, SBE 21 SEACAT; TSG
    Type: Dataset
    Format: text/tab-separated-values, 52020 data points
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    DATA PANGAEA
  • 4
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    Chlorophyll a and phaeophytin a measurements from discrete water samples during RV HEINCKE cruise HE627 (2024)
    PANGAEA
    Details
    Publication Date: 2024-07-02
    Description: This dataset was collected during the cruise HE627 (FjordChange I, 12.08.2023 to 02.09.2023) with RV HEINCKE from Bremerhaven, Germany to Lonyearbyen, Norway It contains chlorophyll a measurements [µg/l] from water samples collected from dicrete sampling via CTD. In total, 13 stations have been sampled. The obtain chl-a concentrations water samples were filtered onboard through 0.7 μm pore size, glass fiber filters (Whatmann GF/F) under low vacuum. Filters were frozen immediately at -80 °C until extraction in laboratory by 90% acetone method. Concentrations were calculated from fluorescence measured with a pre-calibrated Turner Design TD 7200-02 laboratory fluorometer (EPA445.0, Turner Manual). Chief Scientist of HE627: Dr. Uwe John, Alfred-Wegener-Institute, Helmholtz Centre for Polar and Marine Research
    Keywords: Arctic Ocean; Barents Sea; Chlorophyll a; CTD/Rosette; CTD-RO; DATE/TIME; DEPTH, water; Event label; FjordChange; Fluorescence; Fluorometer, Turner Designs, Trilogy 7200-002; HE627; HE627_10-6; HE627_11-2; HE627_11-8; HE627_12-5; HE627_1-3; HE627_13-6; HE627_2-4; HE627_3-4; HE627_4-5; HE627_5-5; HE627_6-7; HE627_7-5; HE627_8-7; HE627_9-6; Heincke; Kongsfjord; LATITUDE; LONGITUDE; North Greenland Sea; Norway; Phaeophytin a; Phaeophytin a/chlorophyll a ratio; Rijpfjord; Van Mijenfjord; Widjefjord
    Type: Dataset
    Format: text/tab-separated-values, 159 data points
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    DATA PANGAEA
  • 5
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    Multibeam bathymetry raw data (Kongsberg EM710 entire dataset) of RV HEINCKE during cruise HE576 (2024)
    PANGAEA
    Details
    Publication Date: 2024-07-02
    Description: Raw multibeam bathymetry data from the Kongsberg EM710 was acquired during the RV Heincke cruise HE576 in the German Bight. The data was generally acquired during calm seas in water depths between ~20 and 50 m. Primarily three different regions were surveyed (Borkumer Reef Ground, Sylt Outer Reef, and Dogger Bank). In some areas, the data is comprehensive and overlapping swaths creating a continuous bathymetry were archived. In other areas the data was acquired complementary to sidescan sonar surveys and individual tracks do not overlap. Data are unprocessed and therefore may contain some incorrect depth measurements (artifacts) without further processing. No tide variations are applied. Sound velocity profiles were acquired regularly. Overall, it appears that the data quality is rather good. The gridded data showed relatively few obstacles.
    Keywords: Bathymetry; Binary Object; Binary Object (File Size); Binary Object (MD5 Hash); Binary Object (Media Type); BioGeo 2021; Comment; DAM sustainMare - MGF North Sea: Exclusion of mobile bottom-contact fishing in marine protected areas of the German Exclusive Economic Zone of the North Sea; Data file recording distance; Data file recording duration; DATE/TIME; ELEVATION; EM710; EM710 multibeam echosounder; Event label; Extracted from file; Extracted with MB-System; File content; HE576; HE576_0_underway-1; Heincke; Kongsberg datagram raw file name; LATITUDE; LONGITUDE; MGF_North_Sea; Multibeam Echosounder; Number of pings; Research Mission of the German Marine Research Alliance (DAM): Protection and sustainable use of marine areas; Ship speed; Start of data file, depth; Start of data file, heading; Start of data file recording, date/time; Start of data file recording, latitude; Start of data file recording, longitude; Stop of data file, depth; Stop of data file, heading; Stop of data file recording, date/time; Stop of data file recording, latitude; Stop of data file recording, longitude; sustainMare
    Type: Dataset
    Format: text/tab-separated-values, 32357 data points
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    DATA PANGAEA
  • 6
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    Passive acoustic monitoring data recorded by recorder SV1032 at mooring AWI207-9 in the Weddell Sea, Southern Ocean, in 2013 (2024)
    PANGAEA
    Details
    Publication Date: 2024-07-02
    Description: Passive acoustic monitoring (PAM) data were collected by recorder SV1032 of type Sono.Vault (manufactured by develogic GmbH, Hamburg, Germany) at 63.7015 ° S, 50.8268 ° W, mooring AWI207-9, in Weddell Sea, Atlantic sector of the Southern Ocean. During a deployment period from January 2013 to January 2017, passive acoustic data were collected from January 2013 to June 2013 (recording period) by SV1032 as part of the Hybrid Antarctic Float Observing System (HAFOS) in the Weddell Sea. The recorder was moored at 219 m depth and scheduled to record continuously at a sample rate of 9,600 Hz. Further details about the data acquisition and processing of this data set can be found in the accompanying metadata file (see Additional metadata) as well as the data processing report (see Data Processing Report). Passive acoustic data archived here represent data processing Level 1+, according to the standards defined in the associated Standard Operation Procedure (SOP) Glossary (Thomisch et al. 2023a). Further information on data processing with regard to data preparation and standardization can be found in the associated SOP Part 1: Data preparation and standardization (Thomisch et al. 2023b).
    Keywords: ANT-XXIX/2; ANT-XXXII/2; Audio file; Audio file (File Size); AWI207-9; DATE/TIME; DEPTH, water; HAFOS; Hybrid Antarctic Float Observation System; MOOR; Mooring; Mooring (long time); MOORY; Passive acoustic recorder Sono.Vault, develogic GmbH; Polarstern; PS103; PS103_54-2; PS81; PS81/108-3; Weddell Sea
    Type: Dataset
    Format: text/tab-separated-values, 169 data points
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  • 7
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    Isotopes and Mg/Ca-derived sea-surface temperature records of sediment core MD01-2386 (2024)
    PANGAEA
    Details
    Publication Date: 2024-07-02
    Description: δ18O values (versus Pee Dee belemnite standard) of C. wuellerstorfi (3-10 specimens, 〉154µm) and G. ruber (white) sensu stricto (8-12 specimens, 250-350µm). The stable isotope composition was measured by Finnigan-MAT253 mass spectrometer equipped with an automatic carbonate preparation device (Kiel III) at the State Key Laboratory of Marine Geology, Tongji University. The isotopic results were calibrated on the Pee Dee Belemnite scale using the China National standard NBS 19. The SD is ±0.07‰. Sample preparation for Mg/Ca measurements on G. ruber samples followed Lea et al. (2000; doi:10.1126/science.289.5485.1719). The Mg/Ca measurements for the upper 400 cm were done using on ICP-MS at the Department of Earth Sciences, University of California, Santa Barbara, the remaining samples were analyzed at the State Key Laboratory of Marine Geology, Tongji University. The Mg/Ca to temperature conversion followed Hollstein et al. (2017; doi:10.1002/2017PA003122). The records cover the last ~142 kyr.
    Keywords: AGE; AMS 14C ages; Calculated from Mg/Ca ratios (Hollstein et al. 2017); Cenderawasih Bay; Cibicidoides wuellerstorfi, δ18O; d18O; DEPTH, sediment/rock; Giant piston corer; Globigerinoides ruber white, Magnesium/Calcium ratio; Globigerinoides ruber white, δ18O; GPC; IMAGES VII - WEPAMA; isotopes; Marion Dufresne (1995); Mass spectrometer, Finnigan, MAT 253; MD012386; MD01-2386; MD122; Measured; Mg/Ca; Sea surface temperature, annual mean; SST
    Type: Dataset
    Format: text/tab-separated-values, 3510 data points
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    DATA PANGAEA
  • 8
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    Benthic isotopes of ODP Hole 130-807A (2024)
    PANGAEA
    Details
    Publication Date: 2024-07-02
    Description: This data file contains benthic foraminiferal oxygen isotope (δ¹⁸O) and carbon isotope (δ13C) records from ODP Site 807 A. Data from the depth intervals 0.17–8.37 mbsf and 26.27–42.37 mbsf were previously published in Zhang et al. (2007) and Du et al. (2016), respectively. Isotope measurements are based on the 〉150µm fraction of C. wuellerstorfi where available. If C. wuellerstorfi was not available, specimens of U. peregrina and C. mundulus were used for analysis. All stable isotopic analyses were performed at the State Key Laboratory of Marine Geology, Tongji University on Finnigan MAT 252 or 253 mass spectrometers. External reproducibility based on replicate analyses of benthic foraminiferal samples is 0.07‰ and 0.04‰ for δ18O and δ13C.Various benthic foraminiferal species fractionate oxygen and carbon isotopes differently when forming tests, resulting in offsets in δ18O and δ13C. To account for this, we adopted such conventional correction factors of C. wuellerstorfi and C. mundulus/Uvigerina peregerina that 0.64 ‰ was subtracted from the δ18O and 0.9 ‰ was added to the δ13C of Uvigerina peregerina (Duplessy et al., 1984; Shackleton, 1974).
    Keywords: 130-807A; AGE; Benthic isotopes; Depth, composite revised; DEPTH, sediment/rock; DRILL; Drilling/drill rig; Foraminifera; Foraminifera, benthic δ13C; Foraminifera, benthic δ18O; Joides Resolution; Leg130; Mass spectrometer, Finnigan, MAT 252; Mass spectrometer, Finnigan, MAT 253; Ocean Drilling Program; ODP; Ontong-Java Plateau; West equatorial Pacific Ocean
    Type: Dataset
    Format: text/tab-separated-values, 5199 data points
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    DATA PANGAEA
  • 9
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    Master track of HEINCKE cruise HE634 in 1 sec resolution (zipped, 18 MB) (2024)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2024-07-02
    Description: Raw data acquired by position sensors on board RV Heincke during expedition HE634 were processed to receive a validated master track which can be used as reference of further expedition data. During HE634 the inertial navigation system IXSEA PHINS III and the GPS receivers Trimble Marine SPS461 and SAAB R5 SUPREME NAV were used as navigation sensors. Data were downloaded from DAVIS SHIP data base (https://dship.awi.de) with a resolution of 1 sec. Processed data are provided as a master track with 1 sec resolution derived from the position sensors' data selected by priority and a generalized track with a reduced set of the most significant positions of the master track.
    Keywords: 1 sec resolution; CT; HE634; HE634-track; Heincke; PlankDynGerBi, GPF 22-2_033; Underway cruise track measurements
    Type: Dataset
    Format: application/zip, 17.9 MBytes
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    DATA PANGAEA
  • 10
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    Surface oceanographic data (TSG) during POSEIDON cruise POS466 (2024)
    PANGAEA
    Details
    Publication Date: 2024-07-02
    Description: Underway temperature and salinity data was collected along the cruise track with two autonomous measurement systems. Temperature and salinity were calibrated against CTD data from 3.5 m depth.
    Keywords: CT; DATE/TIME; LATITUDE; LONGITUDE; POS466; POS466-track; Poseidon; Quality flag, salinity; Quality flag, water temperature; Salinity; Temperature, water; Underway cruise track measurements
    Type: Dataset
    Format: text/tab-separated-values, 595212 data points
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    DATA PANGAEA
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