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  • 2020-2024  (7)
  • 2010-2014  (1)
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  • 1
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    Meteorological data of the Transarktika 2019 expedition, April 2019 (2021)
    PANGAEA
    Details
    Publication Date: 2024-04-20
    Description: The ship-based experiment Transarktika 2019 was performed during April 2019 in the area between Svalbard and Franz Josef Land. The R/V "Akademik Treshnikov" drifted during this month with the sea ice. During the drift a meteorological site was installed including a 10m-tower at a distance of 350 m from the vessel. A meteorological temperature profiler and a water vapor radiometer were installed on the second open deck of R/V "Akademik Treshnikov" at the height 30 m. Radiosoundings were carried out twice-daily. The regional climate model COSMO-CLM (CCLM) was used with a horizontal resolution of 5 km for the Barents and Kara Sea. Model output is available every 1 h. In the vertical, the model extends up to 22 km with 60 vertical levels. Sea ice concentration was taken from AMSR2 data. Sea ice thickness was prescribed daily from interpolated Pan-Arctic Ice Ocean Modeling and Assimilation System (PIOMAS) fields.
    Keywords: Arctic; CATS; CATS - The Changing Arctic Transpolar System; regional climate model; Sea ice; verification
    Type: Dataset
    Format: application/zip, 6 datasets
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    DATA PANGAEA
  • 2
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    Ship track from drifting with sea ice during R/V Akademik Treshnikov cruise Transarktika 2019, April 2019 (2021)
    PANGAEA
    Details
    Publication Date: 2024-06-26
    Description: The ship-based experiment Transarktika 2019 was performed during April 2019 in the area between Svalbard and Franz Josef Land. The R/V “Akademik Treshnikov” drifted during this month with the sea ice. Ship positions are given as 1h data.
    Keywords: Akademik Tryoshnikov; Arctic; AT-2019; CATS; CATS - The Changing Arctic Transpolar System; CT; DATE/TIME; LATITUDE; LONGITUDE; Sea ice; Transarktika-2019; Transarktika-2019_track_drift; Underway cruise track measurements
    Type: Dataset
    Format: text/tab-separated-values, 0 data points
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    DATA PANGAEA
  • 3
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    Temperature profiler data during sea ice drifting of R/V Akademik Treshnikov cruise Transarktika 2019, April 2019 (2021)
    PANGAEA
    Details
    Publication Date: 2024-06-26
    Description: The ship-based experiment Transarktika 2019 was performed during April 2019 in the area between Svalbard and Franz Josef Land. The R/V "Akademik Treshnikov" drifted during this month with the sea ice. A meteorological temperature profiler was installed on the second open deck of R/V "Akademik Treshnikov" at the height 30 m.
    Keywords: Akademik Tryoshnikov; ALTITUDE; Arctic; AT-2019; CATS; CATS - The Changing Arctic Transpolar System; CT; DATE/TIME; Julian day; Sea ice; Temperature, air; Temperature profiler MTP-5PE, ATTEX; Transarktika-2019; Transarktika-2019_track_drift; Underway cruise track measurements
    Type: Dataset
    Format: text/tab-separated-values, 39300 data points
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    DATA PANGAEA
  • 4
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    Integrated water vapour sensor data during sea ice drifting of R/V Akademik Treshnikov cruise Transarktika 2019, April 2019 (2021)
    PANGAEA
    Details
    Publication Date: 2024-06-26
    Description: The ship-based experiment Transarktika 2019 was performed during April 2019 in the area between Svalbard and Franz Josef Land. The R/V "Akademik Treshnikov" drifted during this month with the sea ice. A water vapor radiometer was installed on the second open deck of R/V "Akademik Treshnikov" at the height 30 m.
    Keywords: Akademik Tryoshnikov; Arctic; AT-2019; CATS; CATS - The Changing Arctic Transpolar System; CT; DATE/TIME; Julian day; Sea ice; Transarktika-2019; Transarktika-2019_track_drift; Underway cruise track measurements; Water vapor radiometer, RVP, IPA-RAS; Water vapour content, integrated
    Type: Dataset
    Format: text/tab-separated-values, 1440 data points
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  • 5
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    Radiosonde measurements during R/V Akademik Treshnikov cruise Transarktika 2019, April 2019 (2021)
    PANGAEA
    Details
    Publication Date: 2024-06-26
    Description: The ship-based experiment Transarktika 2019 was performed during April 2019 in the area between Svalbard and Franz Josef Land. The R/V "Akademik Treshnikov" drifted during this month with the sea ice. Radiosoundings were carried out twice-daily.
    Keywords: Akademik Tryoshnikov; ALTITUDE; Arctic; Arctic Ocean; AT-2019; CATS; CATS - The Changing Arctic Transpolar System; Date/Time of event; Dew/frost point; Dew point, deficit; Event label; Humidity, relative; Humidity, specific; Pressure, at given altitude; RADIO; Radiosonde; Radiosonde, Radii, Polus-M; Sea ice; Temperature, air; Temperature, air, potential; Transarktika-2019; Transarktika-2019_RS_2019-04-01_2348; Transarktika-2019_RS_2019-04-02_1131; Transarktika-2019_RS_2019-04-02_2329; Transarktika-2019_RS_2019-04-03_1136; Transarktika-2019_RS_2019-04-03_2332; Transarktika-2019_RS_2019-04-04_1131; Transarktika-2019_RS_2019-04-04_2332; Transarktika-2019_RS_2019-04-05_1129; Transarktika-2019_RS_2019-04-05_2332; Transarktika-2019_RS_2019-04-06_1128; Transarktika-2019_RS_2019-04-06_2331; Transarktika-2019_RS_2019-04-07_1131; Transarktika-2019_RS_2019-04-07_2332; Transarktika-2019_RS_2019-04-08_1135; Transarktika-2019_RS_2019-04-08_2350; Transarktika-2019_RS_2019-04-09_1125; Transarktika-2019_RS_2019-04-09_2330; Transarktika-2019_RS_2019-04-10_1127; Transarktika-2019_RS_2019-04-11_0002; Transarktika-2019_RS_2019-04-11_1126; Transarktika-2019_RS_2019-04-11_2328; Transarktika-2019_RS_2019-04-12_1126; Transarktika-2019_RS_2019-04-12_2325; Transarktika-2019_RS_2019-04-13_1128; Transarktika-2019_RS_2019-04-13_2329; Transarktika-2019_RS_2019-04-14_1129; Transarktika-2019_RS_2019-04-14_2329; Transarktika-2019_RS_2019-04-15_1125; Transarktika-2019_RS_2019-04-15_2324; Transarktika-2019_RS_2019-04-16_1125; Transarktika-2019_RS_2019-04-16_2325; Transarktika-2019_RS_2019-04-17_1131; Transarktika-2019_RS_2019-04-17_2326; Transarktika-2019_RS_2019-04-18_1135; Transarktika-2019_RS_2019-04-18_2326; Transarktika-2019_RS_2019-04-19_1129; Transarktika-2019_RS_2019-04-19_2327; Transarktika-2019_RS_2019-04-20_1126; Transarktika-2019_RS_2019-04-20_2325; Transarktika-2019_RS_2019-04-21_1126; Transarktika-2019_RS_2019-04-21_2326; Transarktika-2019_RS_2019-04-22_1129; Transarktika-2019_RS_2019-04-22_2339; Transarktika-2019_RS_2019-04-23_1126; Transarktika-2019_RS_2019-04-23_2326; Transarktika-2019_RS_2019-04-24_1133; Transarktika-2019_RS_2019-04-24_2327; Transarktika-2019_RS_2019-04-25_1133; Transarktika-2019_RS_2019-04-25_2327; Transarktika-2019_RS_2019-04-26_1131; Transarktika-2019_RS_2019-04-26_2327; Transarktika-2019_RS_2019-04-27_1128; Transarktika-2019_RS_2019-04-27_2325; Transarktika-2019_RS_2019-04-28_1141; Transarktika-2019_RS_2019-04-28_2338; Wind direction; Wind speed; Wind velocity, south-north; Wind velocity, west-east
    Type: Dataset
    Format: text/tab-separated-values, 63180 data points
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  • 6
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    Meteorological data of a 10m-tower during sea ice drifting of R/V Akademik Treshnikov cruise Transarktika 2019, April 2019 (2021)
    PANGAEA
    Details
    Publication Date: 2024-06-26
    Description: The ship-based experiment Transarktika 2019 was performed during April 2019 in the area between Svalbard and Franz Josef Land. The R/V "Akademik Treshnikov" drifted during this month with the sea ice. During the drift a meteorological site was installed including a 10m-tower at a distance of 350 m from the vessel.
    Keywords: Akademik Tryoshnikov; Arctic; Arctic Ocean; AT-2019; CATS; CATS - The Changing Arctic Transpolar System; DATE/TIME; HEIGHT above ground; Humidity, relative; Humidity-Temperature probe, Vaisala, HMP155; Julian day; Long-wave downward radiation; Long-wave upward radiation; Net radiometer, Kipp & Zonen, CNR4, SN 181926; Pressure, atmospheric; Propeller-vane anemometer, 05108-45, RM Young; Sea ice; Short-wave downward (GLOBAL) radiation; Short-wave upward (REFLEX) radiation; Temperature, air; Transarktika-2019; Transarktika-2019_tower; Vaisala PTB110 barometer; Weather station/meteorological observation; Wind speed at 10 m height; WST
    Type: Dataset
    Format: text/tab-separated-values, 9352 data points
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    DATA PANGAEA
  • 7
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    Model output of regional climate model COSMO-CLM, Barents and Kara Sea (2021)
    PANGAEA
    Details
    Publication Date: 2024-04-20
    Description: The regional climate model COSMO-CLM (CCLM) was used with a horizontal resolution of 5 km for the Barents and Kara Sea. Model output is available every 1 h. In the vertical, the model extends up to 22 km with 60 vertical levels. Sea ice concentration was taken from AMSR2 data. Sea ice thickness was prescribed daily from interpolated Pan-Arctic Ice Ocean Modeling and Assimilation System (PIOMAS) fields.
    Keywords: Arctic; Binary Object; CATS; CATS - The Changing Arctic Transpolar System; File content; regional climate model; Sea ice; verification
    Type: Dataset
    Format: text/tab-separated-values, 8 data points
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  • 8
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    Atmospheric winter conditions 2007/08 over the Arctic Ocean based on NP-35 data and regional model simulations (2014)
    Copernicus Publications
    In:  EPIC3Atmos. Chem. Phys. Discuss., Copernicus Publications, 14(8), pp. 11855-11893
    Details
    Publication Date: 2019-08-19
    Description: Atmospheric measurements on the drifting Arctic sea ice station "North Pole-35" crossing the Eastern part of the Arctic Ocean during winter 2007/2008 have been compared with regional atmospheric HIRHAM model simulations. The observed near-surface temperature, mean sea level pressure and the vertical temperature, wind and humidity profiles are satisfactorily reproduced by the model. The strongest temperature differences between observations and the simulations occur near the surface due to an overestimated vertical mixing of heat in the stable Arctic boundary layer (ABL). The observations show very strong temperature inversions near the surface, whereas the simulated inversions occur frequently between the surface and 415 m at too high levels. The simulations are not able to reproduce the observed inversion strength. The regional model underestimates the wind speeds and the sharp vertical wind gradients. The strength of internal atmospheric dynamics on the temporal development of atmospheric surface variables and vertical profiles of temperature, wind and relative humidity has been examined. Although the HIRHAM model systematically overestimates relative humidity and produces too high long-wave downward radiation during winter, two different atmospheric circulation states, which are connected to higher or lower pressure systems over the Eastern part of the Arctic Ocean, are simulated in agreement with the NP-35 observations. Sensitivity studies with reduced vertical mixing of heat in the stable ABL have been carried out. A slower increase in the stability functions with decreasing Richardson number under stable stratification has an impact on the horizontal and vertical atmospheric structure. Changes in synoptical cyclones on time scales from 1–3 days over the North Atlantic cyclone path are generated, which influences the atmospheric baroclinic and planetary waves on time scales up to 20 days over the Arctic Ocean basin. The use of increased vertical stability in the model simulation leads to diminished planetary-scale variability over the Arctic Ocean.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
    Format: application/pdf
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    PAPER (OA)
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