cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.1594/pangaea.925367
title: Methane concentrations (uncorrected for sediment porosity and Bunsen coefficient) in headspace gas prepared from gravity core GeoB22613-1 recovered from the Danube Deep-Sea Fan

description: Gravity cores were collected during cruise M142 in 2017 from several sites at the Danube Deep-Sea Fan, western Black Sea. In order to determine distributions of light hydrocarbons and characterize biogeochemical zonations in the shallow sediments, sediment samples were taken from gravity cores with cut-off syringes and transferred into glass vials to generate a headspace gas volume. The headspace gas samples were analyzed for their concentrations of methane and other light hydrocarbons by use of a gas chromatograph equipped with a capillary column and a flame ionization detector.
DOI: 10.1594/pangaea.925368
title: Methane concentrations (uncorrected for sediment porosity and Bunsen coefficient) in headspace gas prepared from gravity core GeoB22615-1 recovered from the Danube Deep-Sea Fan

description: Gravity cores were collected during cruise M142 in 2017 from several sites at the Danube Deep-Sea Fan, western Black Sea. In order to determine distributions of light hydrocarbons and characterize biogeochemical zonations in the shallow sediments, sediment samples were taken from gravity cores with cut-off syringes and transferred into glass vials to generate a headspace gas volume. The headspace gas samples were analyzed for their concentrations of methane and other light hydrocarbons by use of a gas chromatograph equipped with a capillary column and a flame ionization detector.
DOI: 10.1594/pangaea.925369
title: Methane concentrations (uncorrected for sediment porosity and Bunsen coefficient) in headspace gas prepared from gravity core GeoB22616-2 recovered from the Danube Deep-Sea Fan

description: Gravity cores were collected during cruise M142 in 2017 from several sites at the Danube Deep-Sea Fan, western Black Sea. In order to determine distributions of light hydrocarbons and characterize biogeochemical zonations in the shallow sediments, sediment samples were taken from gravity cores with cut-off syringes and transferred into glass vials to generate a headspace gas volume. The headspace gas samples were analyzed for their concentrations of methane and other light hydrocarbons by use of a gas chromatograph equipped with a capillary column and a flame ionization detector.
DOI: 10.1594/pangaea.925370
title: Methane concentrations (uncorrected for sediment porosity and Bunsen coefficient) in headspace gas prepared from gravity core GeoB22618-1 recovered from the Danube Deep-Sea Fan

description: Gravity cores were collected during cruise M142 in 2017 from several sites at the Danube Deep-Sea Fan, western Black Sea. In order to determine distributions of light hydrocarbons and characterize biogeochemical zonations in the shallow sediments, sediment samples were taken from gravity cores with cut-off syringes and transferred into glass vials to generate a headspace gas volume. The headspace gas samples were analyzed for their concentrations of methane and other light hydrocarbons by use of a gas chromatograph equipped with a capillary column and a flame ionization detector.
DOI: 10.1594/pangaea.925371
title: Methane concentrations (uncorrected for sediment porosity and Bunsen coefficient) in headspace gas prepared from gravity core GeoB22619-2 recovered from the Danube Deep-Sea Fan

description: Gravity cores were collected during cruise M142 in 2017 from several sites at the Danube Deep-Sea Fan, western Black Sea. In order to determine distributions of light hydrocarbons and characterize biogeochemical zonations in the shallow sediments, sediment samples were taken from gravity cores with cut-off syringes and transferred into glass vials to generate a headspace gas volume. The headspace gas samples were analyzed for their concentrations of methane and other light hydrocarbons by use of a gas chromatograph equipped with a capillary column and a flame ionization detector.
DOI: 10.1594/pangaea.925390
title: Age model of sediment core MSM33_851-1 (MSM33-53-1)
DOI: 10.1594/pangaea.925396
title: Paleomagnetic results of sediment core MSM33_851-1 (MSM33-53-1)
DOI: 10.15468/dl.hqusag
title: Occurrence Download

description: A dataset containing 2130 species occurrences available in GBIF matching the query:
{
 "TaxonKey" : [
 "is one of (Miconia punctata (Desr.) D.Don)"
 ]
}

 The dataset includes 2130 records from 149 constituent datasets; see https://api.gbif.org/v1/occurrence/download/0007741-240626123714530/datasets/export for details.
 
Data from some individual datasets included in this download may be licensed under less restrictive terms.
DOI: 10.1594/pangaea.925412
title: Rock magnetic measurements of sediment core MSM33_851-1 (MSM33-53-1)
DOI: 10.1594/pangaea.927429
title: Oxygen and hydrogen isotopes in water samples collected during Polarstern cruise PS100 in 2016

description: Oxygen and hydrogen isotopes are key tracers to identify the sources of fresh water in a seawater sample, especially to distinguish meteoric water from sea-ice meltwater. Water samples were collected from CTD-Rosette casts during Polarstern expedition PS100, July - September 2016, to the Fram Strait and East Greenland Shelf area. Unfiltered water was collected in 100-ml glass bottles. The bottles were rinsed three times with the sample and filled through a silicon tube, avoiding gas bubbles, until just below the rim. The bottles were closed air tight, waxed by dipping them upside down in a melted beewax/stearine mixture, and stored at 2-5°C. Mass spectrometric analysis was carried out in the AWI stable isotope laboratory in Potsdam.
DOI: 10.1594/pangaea.928575
title: Microplastic number and polymer types in sediment samples from the Kuril Kamtchatka Trench

description: The dataset below provides information about the microplastic contamination in the Kuril Kamchatka Trench in the NW Pacific Ocean. The samples were collected in summer 2016 during the Kurambio II expedition with RV Sonne. Each sample represents the first 5 cm of the sediment and the above sediment-water interface.The data table depicts the results of the analysis carried out on 8 Sediment samples, collected with a Multicorer (OKTOPUS GmbH, Kiel, Germany). The samples represent the first five cm of the deep seafloor at four sampling stations of the Kuril Kamchatka trench.
description: The first column provides the sample ID, followed by the label of the sampling event during the expedition SO250, the date and time of the sampling, the coordinates and depth.The abbreviations, listed below, mean the following:D.W [kg]: The amount of sediment sampled is reported in kilogram and refers to the dry weight.MP kg-1: The number of microplastic particles is reported as microplastic per Kg sediment.NPol kg-1: the number of polymers detected is reported as polymer type per Kg sediment.All the polymer types detected are reported in their full name and are reported as the number of particles per Kg sediment.
DOI: 10.1594/pangaea.928578
title: Microplastic counts and polymer type in analysis-required aliquots of sediment samples from the Kuril Kamtchatka Trench

description: This data table provided information about the microplastic identification analysis carried out on the samples listed in the data set doi:10.1594/PANGAEA.928575. To guarantee a precise quantification of particles, the sample were analysed entirely by µFT-IR. This procedure requires an aliquoting of the samples in subsamples. The number and the volume of subsamples, in the table depict as % aliquot, were established after calculating the number of particles present in each sample, to avoid an overload of the filter necessary to carry out the spectroscopic measurement. By summing the outcomes of the aliquots of a sample, the total number of MP and polymer type per sample was established.
description: The first column provides the sample ID, followed by the label of the sampling event during the expedition SO250, the date and time of the sampling, the coordinates and depth. The abbreviations, listed below, mean the following:% aliquot: the percentage of sample volume in the subsample.MP kg-1: The number of microplastic particles is reported as microplastic per Kg sediment.NPol kg-1: the number of polymers detected is reported as polymer typer per Kg sediment.all the polymer types detected are reported in their full name and are reported as the number of particles per Kg sediment.
DOI: 10.1594/pangaea.928651
title: Radiosonde measurements in 2019-10 during MOSAiC Leg PS122/1 (level 2 data)

description: This is a Level 2 dataset of radiosondes launched during the MOSAiC expedition. The balloon-borne radiosondes measured temperature, pressure, relative humidity and wind from board R/V Polarstern to about 30 km height, commonly four times daily during the entire expedition period. The objective of Level 2 is to provide the user community with a usable data product before the final processed product is completed. Quality control for appropriate physical ranges has been applied. However, it should be noted that potential inconsistencies in the physical data in particular in the lowermost part of the profiles are not corrected. This regards e.g. GPS altitude close to the surface and wind direction at latitudes &gt;89° N.
description: **** ACCESS INFO ****This data collection is part of the MOSAiC project. Until the end of the moratorium period only official MOSAiC project members can have access to these datasets. For this, please get a PANGAEA login and write to info@pangaea.de to request access.If you are a not MOSAiC project member please contact Marion Maturilli to ask for access.
DOI: 10.1594/pangaea.929589
title: Dissolved organic carbon (DOC) in deep-sea pore waters from multi corer SO268/2_184-1, central equatorial Pacific Ocean

description: Samples for dissolved organic carbon (DOC, &lt;0.2 µm) in deep-sea pore waters from the Clarion Clipperton Zone, German and Belgian license areas for polymetallic nodule mining in the Pacific Ocean, were collected with a multicorer in 2019 during cruise SO268. Samples were obtained at 1 to 2 cm intervals for the upper ca. 26 cm of sediment through centrifugation and filtration through 0.2 µm PES syringe filters. Non-purgeable organic carbon (NPOC) was measured with a high temperature combustion method using a multi N/C 2100S (Analytik Jena). The final DOC concentration is reported as the average of duplicate measurements. The data set complements trace metal work to assess the impact of sediment disturbances on trace metal fluxes, therefore disturbed and undisturbed sites were studied.
DOI: 10.1594/pangaea.928657
title: Radiosonde measurements in 2019-11 during MOSAiC Leg PS122/1 (level 2 data)

description: This is a Level 2 dataset of radiosondes launched during the MOSAiC expedition. The balloon-borne radiosondes measured temperature, pressure, relative humidity and wind from board R/V Polarstern to about 30 km height, commonly four times daily during the entire expedition period. The objective of Level 2 is to provide the user community with a usable data product before the final processed product is completed. Quality control for appropriate physical ranges has been applied. However, it should be noted that potential inconsistencies in the physical data in particular in the lowermost part of the profiles are not corrected. This regards e.g. GPS altitude close to the surface and wind direction at latitudes &gt;89° N.
description: **** ACCESS INFO ****This data collection is part of the MOSAiC project. Until the end of the moratorium period only official MOSAiC project members can have access to these datasets. For this, please get a PANGAEA login and write to info@pangaea.de to request access.If you are a not MOSAiC project member please contact Marion Maturilli to ask for access.
DOI: 10.1594/pangaea.928658
title: Radiosonde measurements in 2019-12 during MOSAiC Leg PS122/1 and PS122/2 (level 2 data)

description: This is a Level 2 dataset of radiosondes launched during the MOSAiC expedition. The balloon-borne radiosondes measured temperature, pressure, relative humidity and wind from board R/V Polarstern to about 30 km height, commonly four times daily during the entire expedition period. The objective of Level 2 is to provide the user community with a usable data product before the final processed product is completed. Quality control for appropriate physical ranges has been applied. However, it should be noted that potential inconsistencies in the physical data in particular in the lowermost part of the profiles are not corrected. This regards e.g. GPS altitude close to the surface and wind direction at latitudes &gt;89° N.
description: **** ACCESS INFO ****This data collection is part of the MOSAiC project. Until the end of the moratorium period only official MOSAiC project members can have access to these datasets. For this, please get a PANGAEA login and write to info@pangaea.de to request access.If you are a not MOSAiC project member please contact Marion Maturilli to ask for access.
DOI: 10.1594/pangaea.929237
title: Continuous meteorological surface measurement during POLARSTERN cruise PS107 (ARK-XXXI/2)

description: The meteorological observatory Polarstern continuously acquires meteorological parameters during times of ship operation. Measurements are taken on various locations on the vessel, instrument heights above sea level are given below. All data is quality controlled. Measurements are checked daily on board by the operator and again prior to publication. Knowingly affected or erroneous data is removed.
DOI: 10.1594/pangaea.929238
title: Continuous meteorological surface measurement during POLARSTERN cruise PS108 (ARK-XXXI/3)

description: The meteorological observatory Polarstern continuously acquires meteorological parameters during times of ship operation. Measurements are taken on various locations on the vessel, instrument heights above sea level are given below. All data is quality controlled. Measurements are checked daily on board by the operator and again prior to publication. Knowingly affected or erroneous data is removed.
DOI: 10.1594/pangaea.932187
title: Cruise track, sea level pressure, and air temperature of midwinter, north polar cruises of icebreaker Kapitan Dranitsyn in 2019/20

description: Hourly data of position, sea level pressure, and air temperature along the cruise tracks of the Russian icebreaker Kapitan Dranitsyn (KD) during her supply voyages of RV Polarstern during the Mosaic project. Data are from December 2, 2019, to January 2, 2020 (Mosaic Leg 1/2 resupply and crew change), and from February 3 to March 31, 2020 (Mosaic Leg 2/3 resupply and crew change). Data were acquired by a Compact Air-Launched Ice Beacon (CALIB, Metocean Systems, Canada, https://www.metocean.com/product/calib/) placed on the open deck 9 of KD at a height of approximately 24 m above the water level.
DOI: 10.1594/pangaea.932068
title: Amino acid and carbohydrate patterns across Fram Strait during POLARSTERN cruise PS107

description: Amino acids (AA) and carbohydrates (CHO) are produced by phytoplankton as part of the particulate organic carbon (POC) fraction, and can subsequently be released into the dissolved organic carbon (DOC) pool serving as food for heterotrophs. We investigated changes in quantity and quality of POC and DOC, individual AA and individual CHO across Fram Strait in summer 2017. We evaluate the organic matter processing and show that AA and CHO composition substantially differs between the particulate and dissolved fractions. The particulate fraction was enriched in essential AA and the CHO galactose, xylose/mannose, and muramic acid. In the dissolved fraction non-essential AA, several neutral CHO, and acidic and amino CHO were enriched. Our results are important for the future when changing conditions in the Central Arctic Ocean (Atlantification, warming, decreasing ice concentrations) may increase primary production and consequently degradation. The AA and CHO signatures left behind could be used as tracers after the fact to infer changes in microbial loop processes and food web interactions.
description: #0 means below detection limit
DOI: 10.1594/pangaea.932070
title: Amino acid and carbohydrate patterns in particulate carbon of different size-fractions across Fram Strait during POLARSTERN cruise PS107

description: Amino acids (AA) and carbohydrates (CHO) are produced by phytoplankton as part of the particulate organic carbon (POC) fraction, and are subsequently consumed by smaller heterotrophs. We investigated changes in quantity and quality of individual AA and CHO in three size-fractions of POC (&lt; 10 um, 0.7 - 10 um, 0.2 - 0.7 um) at three stations in the Fram Strait during annual Hausgarten sampling cruise PS107.
DOI: 10.1594/pangaea.934935
title: Sea ice drift from autonomous measurements from buoy 2019P90, deployed during MOSAiC 2019/20

description: Sea ice drift was measured by Surface Velocity Profiler 2019P90, an autonomous platform, installed on drifting sea ice in the Arctic Ocean during MOSAiC (Leg 1) 2019/20. The time series describes the position and additional parameters of the buoy between 07 Oct 2019 and 12 Dec. 2020 in sample intervals of 10 minutes. The data set has been processed, including the flagging of obvious inconsistencies in position. The position is flagged if the drift velocity exceeds a threshold (Quality flag, position = 1), if the position exceeds extreme values, such as longitutde &gt; 360 deg (Quality flag, position = 2), and if the position is exactly 0.0 (Quality flag, position = 4). These quality flag values can be sums of each other.
DOI: 10.1594/pangaea.933963
title: Sea ice drift from autonomous measurements from buoy 2019P88, deployed during MOSAiC 2019/20

description: Sea ice drift was measured by Surface Velocity Profiler 2019P88, an autonomous platform, installed on drifting sea ice in the Arctic Ocean during MOSAiC (Leg 1) 2019/20. The time series describes the position and additional parameters of the buoy between 07 Oct 2019 and 06 March 2020 in sample intervals of 10 minutes. The data set has been processed, including the flagging of obvious inconsistencies in position. The position is flagged if the drift velocity exceeds a threshold (Quality flag, position = 1), if the position exceeds extreme values, such as longitutde &gt; 360 deg (Quality flag, position = 2), and if the position is exactly 0.0 (Quality flag, position = 4). These quality flag values can be sums of each other.
DOI: 10.1594/pangaea.934013
title: Turbidity data from SONNE cruise SO268/2 (NIOZ-PFM07)

description: The cruise SO268 was designed to assess the environmental impacts of deep-sea mining of polymetallic nodules in the Clarion-Clipperton Fracture Zone (CCZ). Therefore, a dredging experiment was conducted on 11 April 2019 between 6:30 to 19:00 UTC. To monitor the dispersion of the generated plume, 15 sensors were distributed around the dredge tracks.
description: Platform: NIOZ_PFM07Sensor: JFE Advantech OBSSetting: 2 min interval, 15 samples, 1 Hz; 1 mab
DOI: 10.1594/pangaea.934014
title: Turbidity data from SONNE cruise SO268/2 (RBINS-PFM02)

description: The cruise SO268 was designed to assess the environmental impacts of deep-sea mining of polymetallic nodules in the Clarion-Clipperton Fracture Zone (CCZ). Therefore, a dredging experiment was conducted on 11 April 2019 between 6:30 to 19:00 UTC. To monitor the dispersion of the generated plume, 15 sensors were distributed around the dredge tracks.
description: Platform: RBINS_PFM02Sensor: Seapoint OBSSetting: 5 min interval, 40 cycles; 1 mab
DOI: 10.1594/pangaea.935231
title: Results of nodule detection along OFOS tracks of RV SONNE cruise SO268

description: Photos were acquired by a camera (ID: SO_CAM-1_Photo_OFOS) mounted on a towed OFOS camera platform (ID: SO_PFM-01_OFOS) during research cruise SO268 of RV SONNE. Twelve deployments in different areas of the Pacific Ocean were conducted. Individual nodules were delineated in the images by the CoMoNoD algorithm (see 'Related to' references). Results of single nodule detection were aggregated to compute these results per image analyzed. Nodule detections below 2 square centimeters are neglected as are detections above 707 square centimeters. The result values for the nodule width correspond to the median of all nodules in that image.
DOI: 10.1594/pangaea.934936
title: Sea ice drift from autonomous measurements from buoy 2019P91, deployed during MOSAiC 2019/20

description: Sea ice drift was measured by Surface Velocity Profiler 2019P91, an autonomous platform, installed on drifting sea ice in the Arctic Ocean during MOSAiC (Leg 1) 2019/20. The time series describes the position and additional parameters of the buoy between 07 Oct 2019 and 15 April 2020 in sample intervals of 10 minutes. The data set has been processed, including the flagging of obvious inconsistencies in position. The position is flagged if the drift velocity exceeds a threshold (Quality flag, position = 1), if the position exceeds extreme values, such as longitutde &gt; 360 deg (Quality flag, position = 2), and if the position is exactly 0.0 (Quality flag, position = 4). These quality flag values can be sums of each other.
DOI: 10.1594/pangaea.934937
title: Sea ice drift from autonomous measurements from buoy 2019P92, deployed during MOSAiC 2019/20

description: Sea ice drift was measured by Surface Velocity Profiler 2019P92, an autonomous platform, installed on drifting sea ice in the Arctic Ocean during MOSAiC (Leg 1) 2019/20. The time series describes the position and additional parameters of the buoy between 05 Oct 2019 and 13 August 2020 in sample intervals of 10 minutes. The data set has been processed, including the flagging of obvious inconsistencies in position. The position is flagged if the drift velocity exceeds a threshold (Quality flag, position = 1), if the position exceeds extreme values, such as longitutde &gt; 360 deg (Quality flag, position = 2), and if the position is exactly 0.0 (Quality flag, position = 4). These quality flag values can be sums of each other.
DOI: 10.1594/pangaea.935937
title: Aerosol chemical composition (major ions and iodine speciation) during the TransBrom cruise in the western Pacific Ocean, October 2009

description: Size segregated aerosol samples were collected during the Very short lived bromine compounds in the ocean and their transport pathways into the stratosphere (TransBrom) cruise (FS Sonne, SO202) during 9 - 25 October 2009 in the western Pacific Ocean (~141 E - 146 E, 20 S – 43 N). The samples were collected by Christian Müller, Sebastian Wache and Arne Lanatowitz of GEOMAR, Kiel, Germany. The aerosol sampler was situated on the roof of the ship's wheelhouse. Samples were collected using a Sierra-type cascade impactor to separate the aerosol particles at an aerodynamic diameter cutoff of 1 µm. Collection time for the samples varied between 20.3 and 26.8 hours. Samples were extracted with ultrapure water and the major ions Na+, NH4+, Mg2+, K+, Ca2+, Cl-, NO3-, SO42-, oxalate, Br- and methanesulfonate were determined by ion chromatography (IC). Total soluble iodine (TSI) was determined by inductively coupled plasma - mass spectrometry (ICP-MS) and iodide (I-) and iodate (IO3-) were determined by IC-ICP-MS. The dataset contains the atmospheric concentrations of all measured soluble major ions (in nmol/m³) and iodine species (in pmol/m³).
description: Sampler Flow: 1 m³/minSubstrate Type: Whatman 41 celluloseSubstrate Pretreat: NoneSize Seg Method: Sierra type cascade impactor. Stages 3 and 4 were used and combined during analysis to give a fraction with aerodynamic diameter &gt; 1 µm (Size_fraction 3-4). Backup filter collected the &lt; 1µm fraction (Size_fraction w). Method Publication: Yodle and Baker, Atmospheric Environment X, 1, 100009, (2019). Baker et al., Deep-Sea Res., 54, 1704-1720, (2007).DL Value: Where the detection limit applies, concentrations are quoted as less than the limit of detection; Example atmospheric detection limits (given in Comment below) have been calculated from analytical detection limits for an air volume of 1400 m³.