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  • 2020-2022  (5)
  • 2015-2019  (29)
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  • 1
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    Daily mean sea ice draft from moored Upward-Looking Sonar ULS_Taymyr_1415 in the Laptev Sea (2019)
    PANGAEA
    Details
    Publication Date: 2023-03-16
    Keywords: AWI_SeaIce; DATE/TIME; Laptev Sea; Laptev Sea System; Latitude of event; Longitude of event; LSS; sea ice draft; Sea ice draft; Sea Ice Physics @ AWI; Taymyr-T1-14-ULS; Transdrift-XXII; ULS; ULS_Taymyr_1415; Upward looking sonar; Upward looking sonar (ULS); VB14; Viktor Buynitskiy
    Type: Dataset
    Format: text/tab-separated-values, 239 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 2
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    Raw bottom track error velocity and range data from moored upward-looking Acoustic Doppler Current Profilers in the Laptev Sea between 2013 and 2015 (2019)
    PANGAEA
    Details
    Publication Date: 2023-03-16
    Description: Within the framework of the Russian-German BMBF-funded TRANSDRIFT project moored upward-looking Acoustic Doppler Current Profilers (ADCPs) were deployed in the Laptev Sea between 2013 and 2015. Two upward-looking Workhorse 300 kHz Sentinel ADCPs (manufactured by Teledyne RDI) were deployed at the 1893 and Taymyr stations in September 2013. During a Russian expedition in September 2014 both moorings were recovered and partly redeployed at the two stations until September 2015 (one upward-looking ADCP was substituted in 2014). The four data sets (ADCP_BT_1893_1314.txt, ADCP_BT_Taymyr_1314.txt, ADCP_BT_1893_1415.txt and ADCP_BT_Taymyr_1415.txt) are named to indicate the location of the deployment (station name) and the sampling period. Each file contains hourly values of error velocity (in mm/s) and range (beams 1 to 4, in m) data that was recorded using the ADCPs bottom track (BT) mode. Additionally, the instruments roll and pitch values (in deg) are included. The deployment sheets are attached as well. All moorings were equipped with numerous other instruments. Their data has been published separately.
    Keywords: 1893-T1-13-ADCP; 1893-T1-14-ADCP; Acoustic Doppler Current Profiler; ADCP; ADCP_BT_1893_1314; ADCP_BT_1893_1415; ADCP_BT_Taymyr_1314; ADCP_BT_Taymyr_1415; AWI_SeaIce; bottom track; Date/Time of event; Date/Time of event 2; Event label; File content; File format; File name; File size; Laptev Sea; Laptev Sea System; Latitude of event; Longitude of event; LSS; Sea Ice Physics @ AWI; Taymyr-T1-13-ADCP; Taymyr-T1-14-ADCP; Transdrift-XXI; Transdrift-XXII; Uniform resource locator/link to file; Uniform resource locator/link to metadata file; VB13; VB14; Viktor Buynitskiy
    Type: Dataset
    Format: text/tab-separated-values, 24 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 3
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    Underway CTD measurements during Akademik Tryoshnikov cruise AT2018 to the Arctic Ocean (2019)
    PANGAEA
    Details
    Publication Date: 2023-03-16
    Description: Underway (U)CTD data were collected during an August-September 2018 expedition to the Arctic Ocean aboard the RV Akademik Tryoshnikov, and was a joint expedition between the German-Russian project CATS (Changing Arctic Transpolar System) and the US-Russian project NABOS (Nansen and Amundsen Basin Observing System). The UCTD was operated mostly in yoyo-mode during selected transects between the shelf and the basin across the continental slope of the Eurasian Basin while the ship was transiting with 8 - 14 knots. The UCTD probe records the start time of the measurements and stores 16 samples each second internally. The exact location of each profile was subsequently found based on the time stamp from the cruise track. The unpumped conductivity sensor has a slower response time than the temperature sensor, which makes the computation of salinity from conductivity and temperature potentially spiky, especially in the pycnocline or in frontal regions. We followed the recommendation of the manufacturer to calculate salinity with Seabird processing software. In shallower waters (〈200m), the water column was profiled all the way to the seafloor, while in deeper waters, only the upper 200-350m were sampled. Shipboard echo soundings were not available, actual water depths at the profile locations need to be extracted from bathymetric charts (for instance IBCAO ). The UCTD was calibrated against a Seabird 911 CTD during the cruise. Temperature measurements were comparable to the ship's CTD and remained uncorrected, the processed salinities include a salinity correction based on a deviation from the ship's CTD.
    Keywords: 1; 10; 100; 101; 102; 103; 104; 105; 106; 107; 108; 109; 11; 110; 111; 112; 113; 114; 115; 116; 117; 118; 119; 12; 120; 121; 122; 123; 124; 125; 126; 127; 128; 129; 13; 130; 131; 132; 133; 134; 135; 136; 137; 138; 139; 14; 140; 141; 142; 143; 144; 145; 146; 147; 148; 149; 15; 150; 151; 152; 153; 154; 155; 156; 157; 158; 159; 16; 160; 161; 162; 163; 164; 165; 166; 167; 168; 169; 17; 170; 171; 172; 173; 174; 175; 176; 177; 178; 179; 18; 180; 181; 182; 183; 184; 185; 19; 2; 20; 21; 22; 23; 24; 25; 26; 27; 28; 29; 3; 30; 31; 32; 33; 34; 35; 36; 37; 38; 39; 4; 40; 41; 42; 43; 44; 45; 46; 47; 48; 49; 5; 50; 51; 52; 53; 54; 55; 56; 57; 58; 59; 6; 60; 61; 62; 63; 64; 65; 66; 67; 68; 69; 7; 70; 71; 72; 73; 74; 75; 76; 77; 78; 79; 8; 80; 81; 82; 83; 84; 85; 86; 87; 88; 89; 9; 90; 91; 92; 93; 94; 95; 96; 97; 98; 99; Akademik Tryoshnikov; Arctic Ocean; AT18_005-1; AT18_005-10; AT18_005-11; AT18_005-12; AT18_005-13; AT18_005-16; AT18_005-17; AT18_005-18; AT18_005-19; AT18_005-2; AT18_005-20; AT18_005-25; AT18_005-26; AT18_005-3; AT18_005-4; AT18_005-5; AT18_005-6; AT18_005-7; AT18_005-8; AT18_005-9; AT18_010-1; AT18_010-10; AT18_010-11; AT18_010-12; AT18_010-13; AT18_010-14; AT18_010-15; AT18_010-16; AT18_010-17; AT18_010-18; AT18_010-19; AT18_010-2; AT18_010-20; AT18_010-21; AT18_010-22; AT18_010-23; AT18_010-24; AT18_010-25; AT18_010-26; AT18_010-27; AT18_010-28; AT18_010-29; AT18_010-3; AT18_010-30; AT18_010-31; AT18_010-32; AT18_010-33; AT18_010-34; AT18_010-35; AT18_010-36; AT18_010-37; AT18_010-38; AT18_010-39; AT18_010-4; AT18_010-40; AT18_010-41; AT18_010-42; AT18_010-43; AT18_010-44; AT18_010-45; AT18_010-46; AT18_010-47; AT18_010-48; AT18_010-49; AT18_010-5; AT18_010-51; AT18_010-52; AT18_010-54; AT18_010-55; AT18_010-6; AT18_010-7; AT18_010-8; AT18_010-9; AT18_015-1; AT18_015-10; AT18_015-11; AT18_015-12; AT18_015-13; AT18_015-14; AT18_015-15; AT18_015-16; AT18_015-17; AT18_015-18; AT18_015-19; AT18_015-2; AT18_015-20; AT18_015-21; AT18_015-22; AT18_015-3; AT18_015-4; AT18_015-5; AT18_015-6; AT18_015-7; AT18_015-8; AT18_015-9; AT18_019_4-1; AT18_019_4-10; AT18_019_4-11; AT18_019_4-12; AT18_019_4-13; AT18_019_4-14; AT18_019_4-15; AT18_019_4-2; AT18_019_4-3; AT18_019_4-4; AT18_019_4-5; AT18_019_4-6; AT18_019_4-7; AT18_019_4-8; AT18_019_4-9; AT18_027-1; AT18_027-10; AT18_027-11; AT18_027-12; AT18_027-13; AT18_027-14; AT18_027-15; AT18_027-16; AT18_027-17; AT18_027-18; AT18_027-19; AT18_027-2; AT18_027-20; AT18_027-21; AT18_027-22; AT18_027-23; AT18_027-24; AT18_027-25; AT18_027-26; AT18_027-27; AT18_027-28; AT18_027-29; AT18_027-3; AT18_027-30; AT18_027-31; AT18_027-32; AT18_027-33; AT18_027-34; AT18_027-35; AT18_027-36; AT18_027-37; AT18_027-4; AT18_027-5; AT18_027-6; AT18_027-7; AT18_027-8; AT18_027-9; AT18_101-1; AT18_101-10; AT18_101-11; AT18_101-12; AT18_101-13; AT18_101-14; AT18_101-15; AT18_101-16; AT18_101-17; AT18_101-18; AT18_101-19; AT18_101-2; AT18_101-20; AT18_101-21; AT18_101-22; AT18_101-23; AT18_101-24; AT18_101-25; AT18_101-26; AT18_101-27; AT18_101-28; AT18_101-29; AT18_101-3; AT18_101-30; AT18_101-31; AT18_101-32; AT18_101-33; AT18_101-34; AT18_101-35; AT18_101-36; AT18_101-37; AT18_101-38; AT18_101-4; AT18_101-5; AT18_101-6; AT18_101-7; AT18_101-8; AT18_101-9; AT2018, TICE, NABOS; AWI_PhyOce; Campaign of event; CATS; CATS - The Changing Arctic Transpolar System; CTD, underway; CTD-UW; Date/Time of event; DEPTH, water; East Siberian Sea; Event label; Laptev Sea; Latitude of event; Longitude of event; Optional event label; Physical Oceanography @ AWI; Pressure, water; Salinity; shelf-basin transects; Temperature, water; Transdrift-XXIV; underway CTD; UnderwayCTD (UCTD), Oceanscience
    Type: Dataset
    Format: text/tab-separated-values, 84081 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 4
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    Underway CTD measurements during POLARSTERN cruise PS111 (2018)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2023-03-16
    Description: In January 2018, RV Polarstern crossed the Maud Rise region during the transit from Capetown, South Africa to the Neumayer III research station as part of the PS111-expedition. A few months before the expedition, the region featured the strongest occurrence of the "Maud Rise polynya" in four decades. During the crossing toward Neumayer III, CTD measurements were carried out by use of an underwayCTD system, which allows hydrographic sampling while the ship is in transit. A total of 23 stations between 60°S and 69°S were occupied to a depth of ~600 m.
    Keywords: ANT-XXXIII/2; AWI_PhyOce; CTD, underway; CTD-UW; DATE/TIME; DEPTH, water; Event label; LATITUDE; Lazarev Sea; LONGITUDE; Physical Oceanography @ AWI; Polarstern; Pressure, water; PS111; PS111_6-1; PS111_6-10; PS111_6-11; PS111_6-12; PS111_6-13; PS111_6-14; PS111_6-15; PS111_6-16; PS111_6-17; PS111_6-18; PS111_6-19; PS111_6-2; PS111_6-20; PS111_6-21; PS111_6-22; PS111_6-23; PS111_6-3; PS111_6-4; PS111_6-5; PS111_6-6; PS111_6-7; PS111_6-8; PS111_6-9; Salinity; South Atlantic Ocean; Temperature, water; UnderwayCTD (UCTD), Oceanscience; Weddell Sea
    Type: Dataset
    Format: text/tab-separated-values, 38361 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 5
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    Daily mean sea ice draft from moored Upward-Looking Sonars in the Laptev Sea between 2013 and 2015 (2019)
    PANGAEA
    Details
    Publication Date: 2023-03-16
    Description: Within the framework of the Russian-German BMBF-funded TRANSDRIFT project moored Upward-Looking Sonars (ULSs) were deployed in the Laptev Sea between 2013 and 2015. Two ULS of the type Ice Profiling Sonar 5 (420 kHz, manufactured by ASL Environmental Sciences) were deployed at the 1893 and Taymyr stations in September 2013. During a Russian expedition in September 2014 both moorings were recovered and redeployed at the two station until September 2015. The four labels (ULS_1893_1314, ULS_Taymyr_1314, ULS_1893_1415 and ULS_Taymyr_1415) are named to indicate the Location of the deployment (station name) and the sampling period. Each dataset contains values of daily averaged sea ice draft (in m). The deployment sheets are attached as well.
    Keywords: AWI_SeaIce; Laptev Sea; Laptev Sea System; LSS; sea ice draft; Sea Ice Physics @ AWI; ULS
    Type: Dataset
    Format: application/zip, 4 datasets
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 6
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    Daily mean sea ice draft from moored Upward-Looking Sonar ULS_1893_1415 in the Laptev Sea (2019)
    PANGAEA
    Details
    Publication Date: 2023-03-16
    Keywords: 1893-T1-14_ULS; AWI_SeaIce; DATE/TIME; Laptev Sea; Laptev Sea System; Latitude of event; Longitude of event; LSS; sea ice draft; Sea ice draft; Sea Ice Physics @ AWI; Transdrift-XXII; ULS; ULS_1893_1415; Upward looking sonar; Upward looking sonar (ULS); VB14; Viktor Buynitskiy
    Type: Dataset
    Format: text/tab-separated-values, 253 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 7
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    Daily mean sea ice draft from moored Upward-Looking Sonar ULS_1893_1314 in the Laptev Sea (2019)
    PANGAEA
    Details
    Publication Date: 2023-03-16
    Keywords: 1893-T1-13-ULS; AWI_SeaIce; DATE/TIME; Laptev Sea; Laptev Sea System; Latitude of event; Longitude of event; LSS; sea ice draft; Sea ice draft; Sea Ice Physics @ AWI; Transdrift-XXI; ULS; ULS_1893_1314; Upward looking sonar; Upward looking sonar (ULS); VB13; Viktor Buynitskiy
    Type: Dataset
    Format: text/tab-separated-values, 217 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 8
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    Daily mean sea ice draft from moored Upward-Looking Sonar ULS_Taymyr_1314 in the Laptev Sea (2019)
    PANGAEA
    Details
    Publication Date: 2023-03-16
    Keywords: AWI_SeaIce; DATE/TIME; Laptev Sea; Laptev Sea System; Latitude of event; Longitude of event; LSS; sea ice draft; Sea ice draft; Sea Ice Physics @ AWI; Taymyr-T1-13-ULS; Transdrift-XXI; ULS; ULS_Taymyr_1314; Upward looking sonar; Upward looking sonar (ULS); VB13; Viktor Buynitskiy
    Type: Dataset
    Format: text/tab-separated-values, 262 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 9
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    Physical oceanography on board of POLARSTERN (1983-11-22 to 2016-02-14) (2016)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven | Supplement to: Driemel, Amelie; Fahrbach, Eberhard; Rohardt, Gerd; Beszczynska-Möller, Agnieszka; Boetius, Antje; Budéus, Gereon; Cisewski, Boris; Engbrodt, Ralph; Gauger, Steffen; Geibert, Walter; Geprägs, Patrizia; Gerdes, Dieter; Gersonde, Rainer; Gordon, Arnold L; Grobe, Hannes; Hellmer, Hartmut H; Isla, Enrique; Jacobs, Stanley S; Janout, Markus A; Jokat, Wilfried; Klages, Michael; Kuhn, Gerhard; Meincke, Jens; Ober, Sven; Østerhus, Svein; Peterson, Ray G; Rabe, Benjamin; Rudels, Bert; Schauer, Ursula; Schumacher, Stefanie; Schröder, Michael; Sieger, Rainer; Sildam, Jüri; Soltwedel, Thomas; Stangeew, Elena; Stein, Manfred; Strass, Volker H; Thiede, Jörn; Tippenhauer, Sandra; Veth, Cornelis; von Appen, Wilken-Jon; Weirig, Marie-France; Wisotzki, Andreas; Wolf-Gladrow, Dieter A; Kanzow, Torsten (2017): From pole to pole: 33 years of physical oceanography onboard R/V Polarstern. Earth System Science Data, 9(1), 211-220, https://doi.org/10.5194/essd-9-211-2017
    Details
    Publication Date: 2023-10-18
    Description: Measuring temperature and salinity profiles in the world's oceans is crucial to understanding ocean dynamics and its influence on the heat budget, the water cycle, the marine environment and on our climate. Since 1983 the German research vessel and icebreaker Polarstern has been the platform of numerous CTD (conductivity, temperature, depth instrument) deployments in the Arctic and the Antarctic. We report on a unique data collection spanning 33 years of polar CTD data. In total 131 data sets (1 data set per cruise leg) containing data from 10 063 CTD casts are now freely available. During this long period five CTD types with different characteristics and accuracies have been used. Therefore the instruments and processing procedures (sensor calibration, data validation, etc.) are described in detail. This compilation is special not only with regard to the quantity but also the quality of the data - the latter indicated for each data set using defined quality codes. The complete data collection includes a number of repeated sections for which the quality code can be used to investigate and evaluate long-term changes. Beginning with 2010, the salinity measurements presented here are of the highest quality possible in this field owing to the introduction of the OPTIMARE Precision Salinometer.
    Keywords: Author(s); AWI_PhyOce; Campaign; Date/time end; Date/time start; Method comment; Number of observations; Ocean and sea region; Persistent Identifier; Physical Oceanography @ AWI; Principal investigator; Quality code; Uniform resource locator/link to image; Uniform resource locator/link to reference
    Type: Dataset
    Format: text/tab-separated-values, 1695 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 10
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    Ocean temperature and salinity, sea level pressure and sea ice drift from Drifter "IceTetherBaro_01" deployed during POLARSTERN cruise PS118 to the northwestern Weddell Sea in 2019 (2019)
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Details
    Publication Date: 2023-11-24
    Description: A modified Pacific Gyre SVP Drifter with a 400 m long tether and a bottom weight was deployed during Polarstern expedition PS118 (9 February - 10 April 2019) on the western Weddell Sea shelf. The drifter was deployed from ~2m-thick sea ice through an ice hole following a CTD profile. The inductive tether was equipped with two SBE37IM (CTD) and one SBE39IMplus (T). The surface buoy included a sensor to measure sea level pressure and temperature right above the sea ice. The surface unit sampled the sensors each 15-30 minutes, and subsequently transmitted the data via iridium to the Pacific Gyre data server. The drifter was deployed on 8 March 2019 and terminated the communication on May 2019.
    Keywords: AWI_PhyOce; Battery terminal voltage; Comment; Conductivity; CTD, SEA-BIRD SBE 37-IM, lower unit; CTD, SEA-BIRD SBE 37-IM, upper unit; DATE/TIME; DEPTH, water; DRIFT; drifter; Drifter; IceTetherBaro_01; Identification; LATITUDE; LONGITUDE; ocean temperature; Physical Oceanography @ AWI; Polarstern; Pressure, atmospheric; Pressure, water; PS118; Quality flag; Salinity; sea ice drift; Temperature, air; Temperature, water; Temperature logger, SEA-BIRD SBE 39-IMplus; Time in seconds; Weddell Sea
    Type: Dataset
    Format: text/tab-separated-values, 97274 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
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