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  • 1
    Publikationsdatum: 2023-11-18
    Beschreibung: Sea ice drift, surface temperature, and barometric pressure were measured by Surface Velocity Profiler deployed on sea ice. The time series describes the position and additional parameters of the buoy in sample intervals of 1 hour. The data set has been processed, including the removal of obvious inconsistencies (missing values).
    Schlagwort(e): AWI_SeaIce; Current sea ice maps for Arctic and Antarctic; meereisportal.de; Sea Ice Physics @ AWI
    Materialart: Dataset
    Format: application/zip, 32 datasets
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 2
    Publikationsdatum: 2024-01-31
    Beschreibung: Snow height and air temperature were measured by an autonomous platform, deployed on sea ice. The resulting time series describes the evolution of snow height as a function of place and time in sample intervals of 1 hour. The Snow Buoy consists of four independent sonar measurements representing the area (approx. 10 m²) around the buoy. In addition to snow height and air temperature, geographic position (GPS), barometric pressure, and an internal ice temperature were measured. Negative values of snow height occur if surface ablation continues into the sea ice. Thus, all snow height measurements describe the surface elevation relative to the original snow-ice interface. Differences between single sensors indicate small-scale variability of the snow pack around the buoy. The data sets has been processed, including the removal of obvious inconsistencies (missing values). Records without snow height data may still be used for sea ice drift analyses. Some data sets contain only relative changes in snow height, because no initial readings of absolute snow height are available.
    Schlagwort(e): AWI_SeaIce; Current sea ice maps for Arctic and Antarctic; meereisportal.de; Sea Ice Physics @ AWI
    Materialart: Dataset
    Format: application/zip, 69 datasets
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 3
    facet.materialart.
    Unbekannt
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Publikationsdatum: 2024-04-20
    Beschreibung: The radar system on board of Polarstern features a rotating antenna that is mounted on the observation deck, above the bridge. The antenna transmit microwave pulses at short intervals, which are reflected back to the radar system by the water or pack ice. This produces an image of the positions of ice floes within a radius of 3 nautical miles (ca. 5,4 km) and their sizes in relation to the ship. The imaging technique offers an undiminished view and remains unaffected by weather or darkness, i.e., it can penetrate rain clouds and fog and therefore offers an undiminished view even at night. The sector without information is blogged by ship facilities. The RV Polarstern’s marine radar systems operated throughout the drift phase of MOSAiC. The imaging system, which shows Polarstern in the centre of the screen, offers vital information on floe movements, deformation and formation of cracks in the ship’s immediate vicinity.
    Schlagwort(e): Binary Object; DATE/TIME; ICERAD; Ice radar; LATITUDE; LONGITUDE; MOSAiC; MOSAiC20192020; Multidisciplinary drifting Observatory for the Study of Arctic Climate; Polarstern; PS122/2; PS122/2_0_Underway-45
    Materialart: Dataset
    Format: text/tab-separated-values, 19886 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 4
    facet.materialart.
    Unbekannt
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Publikationsdatum: 2024-04-20
    Beschreibung: The radar system on board of Polarstern features a rotating antenna that is mounted on the observation deck, above the bridge. The antenna transmit microwave pulses at short intervals, which are reflected back to the radar system by the water or pack ice. This produces an image of the positions of ice floes within a radius of 3 nautical miles (ca. 5,4 km) and their sizes in relation to the ship. The imaging technique offers an undiminished view and remains unaffected by weather or darkness, i.e., it can penetrate rain clouds and fog and therefore offers an undiminished view even at night. The sector without information is blogged by ship facilities. The RV Polarstern's marine radar systems operated throughout the drift phase of MOSAiC. The imaging system, which shows Polarstern in the centre of the screen, offers vital information on floe movements, deformation and formation of cracks in the ship's immediate vicinity.
    Schlagwort(e): Binary Object; DATE/TIME; ICERAD; Ice radar; LATITUDE; LONGITUDE; MOSAiC; MOSAiC20192020; Multidisciplinary drifting Observatory for the Study of Arctic Climate; Polarstern; PS122/1; PS122/1_0_Underway-45; vessel:polarstern:sigma_s6_ice_radar
    Materialart: Dataset
    Format: text/tab-separated-values, 19760 data points
    Standort Signatur Einschränkungen Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 5
    facet.materialart.
    Unbekannt
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Publikationsdatum: 2024-04-20
    Beschreibung: The radar system on board of Polarstern features a rotating antenna that is mounted on the observation deck, above the bridge. The antenna transmit microwave pulses at short intervals, which are reflected back to the radar system by the water or pack ice. This produces an image of the positions of ice floes within a radius of 3 nautical miles (ca. 5,4 km) and their sizes in relation to the ship. The imaging technique offers an undiminished view and remains unaffected by weather or darkness, i.e., it can penetrate rain clouds and fog and therefore offers an undiminished view even at night. The sector without information is blogged by ship facilities. The RV Polarstern's marine radar systems operated throughout the drift phase of MOSAiC. The imaging system, which shows Polarstern in the centre of the screen, offers vital information on floe movements, deformation and formation of cracks in the ship's immediate vicinity.
    Schlagwort(e): Binary Object; DATE/TIME; ICERAD; Ice radar; LATITUDE; LONGITUDE; MOSAiC; MOSAiC20192020; Multidisciplinary drifting Observatory for the Study of Arctic Climate; Polarstern; PS122/4; PS122/4_0_Underway-45; vessel:polarstern:sigma_s6_ice_radar
    Materialart: Dataset
    Format: text/tab-separated-values, 17582 data points
    Standort Signatur Einschränkungen Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 6
    facet.materialart.
    Unbekannt
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Publikationsdatum: 2024-04-20
    Beschreibung: The radar system on board of Polarstern features a rotating antenna that is mounted on the observation deck, above the bridge. The antenna transmit microwave pulses at short intervals, which are reflected back to the radar system by the water or pack ice. This produces an image of the positions of ice floes within a radius of 3 nautical miles (ca. 5,4 km) and their sizes in relation to the ship. The imaging technique offers an undiminished view and remains unaffected by weather or darkness, i.e., it can penetrate rain clouds and fog and therefore offers an undiminished view even at night. The sector without information is blogged by ship facilities. The RV Polarstern's marine radar systems operated throughout the drift phase of MOSAiC. The imaging system, which shows Polarstern in the centre of the screen, offers vital information on floe movements, deformation and formation of cracks in the ship's immediate vicinity.
    Schlagwort(e): Binary Object; DATE/TIME; ICERAD; Ice radar; LATITUDE; LONGITUDE; MOSAiC; MOSAiC20192020; Multidisciplinary drifting Observatory for the Study of Arctic Climate; Polarstern; PS122/5; PS122/5_0_Underway-45; vessel:polarstern:sigma_s6_ice_radar
    Materialart: Dataset
    Format: text/tab-separated-values, 10168 data points
    Standort Signatur Einschränkungen Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 7
    facet.materialart.
    Unbekannt
    PANGAEA
    In:  Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven
    Publikationsdatum: 2024-04-20
    Beschreibung: The radar system on board of Polarstern features a rotating antenna that is mounted on the observation deck, above the bridge. The antenna transmit microwave pulses at short intervals, which are reflected back to the radar system by the water or pack ice. This produces an image of the positions of ice floes within a radius of 3 nautical miles (ca. 5,4 km) and their sizes in relation to the ship. The imaging technique offers an undiminished view and remains unaffected by weather or darkness, i.e., it can penetrate rain clouds and fog and therefore offers an undiminished view even at night. The sector without information is blogged by ship facilities. The RV Polarstern's marine radar systems operated throughout the drift phase of MOSAiC. The imaging system, which shows Polarstern in the centre of the screen, offers vital information on floe movements, deformation and formation of cracks in the ship's immediate vicinity.
    Schlagwort(e): Binary Object; DATE/TIME; ICERAD; Ice radar; LATITUDE; LONGITUDE; MOSAiC; MOSAiC20192020; Multidisciplinary drifting Observatory for the Study of Arctic Climate; Polarstern; PS122/3; PS122/3_0_Underway-45; vessel:polarstern:sigma_s6_ice_radar
    Materialart: Dataset
    Format: text/tab-separated-values, 28175 data points
    Standort Signatur Einschränkungen Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 8
    facet.materialart.
    Unbekannt
    Alfred Wegener Institute for Polar and Marine Research & German Society of Polar Research
    In:  EPIC3Polarforschung, Bremerhaven, Alfred Wegener Institute for Polar and Marine Research & German Society of Polar Research, 85(2), pp. 143-155, ISSN: 00322490
    Publikationsdatum: 2019-07-17
    Repository-Name: EPIC Alfred Wegener Institut
    Materialart: "Polarforschung" , peerRev
    Format: application/pdf
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 9
    Publikationsdatum: 2016-08-31
    Beschreibung: There is an increasing public interest in sea ice information from both Polar Regions, which requires up-to-date background information and data sets at different levels for various target groups. In order to serve this interest and need, seaiceportal.de (originally: meereisportal.de) was developed as a comprehensive German knowledge platform on sea ice and its snow cover in the Arctic and Antarctic. It was launched in April 2013. Since then, the content and selection of data sets increased and the data portal received increasing attention, also from the international science community. Meanwhile, we are providing near-real time and archive data of many key parameters of sea ice and its snow cover. The data sets result from measurements acquired by various platforms as well as numerical simulations. Satellite observations of sea ice concentration, freeboard, thickness and drift are available as gridded data sets. Sea ice and snow temperatures and thickness as well as atmospheric parameters are available from autonomous platforms (buoys). Additional ship observations, ice station measurements, and mooring time series are compiled as data collections over the last decade. In parallel, we are continuously extending our meta-data and uncertainty information for all data sets. In addition to the data portal, seaiceportal.de provides general comprehensive background information on sea ice and snow as well as expert statements on recent observations and developments. This content is mostly in German in order to complement the various existing international sites for the German speaking public. We will present the portal, its content and function, but we are also asking for direct user feedback.
    Repository-Name: EPIC Alfred Wegener Institut
    Materialart: Conference , notRev
    Format: application/pdf
    Standort Signatur Einschränkungen Verfügbarkeit
    BibTip Andere fanden auch interessant ...
  • 10
    Publikationsdatum: 2016-04-21
    Beschreibung: There is an increasing public interest in sea ice information from both Polar Regions, which requires up-to-date background information and data sets at different levels for various target groups. In order to serve this interest and need, seaiceportal.de (originally: meereisportal.de) was developed as a comprehensive German knowledge platform on sea ice and its snow cover in the Arctic and Antarctic. It was launched in April 2013. Since then, the content and selection of data sets increased and the data portal received increasing attention, also from the international science community. Meanwhile, we are providing near-real time and archive data of many key parameters of sea ice and its snow cover. The data sets result from measurements acquired by various platforms as well as numerical simulations. Satellite observations of sea ice concentration, freeboard, thickness and drift are available as gridded data sets. Sea ice and snow temperatures and thickness as well as atmospheric parameters are available from autonomous platforms (buoys). Additional ship observations, ice station measurements, and mooring time series are compiled as data collections over the last decade. In parallel, we are continuously extending our meta-data and uncertainty information for all data sets. In addition to the data portal, seaiceportal.de provides general comprehensive background information on sea ice and snow as well as expert statements on recent observations and developments. This content is mostly in German in order to complement the various existing international sites for the German speaking public. We will present the portal, its content and function, but we are also asking for direct user feedback.
    Repository-Name: EPIC Alfred Wegener Institut
    Materialart: Conference , notRev
    Format: application/pdf
    Standort Signatur Einschränkungen Verfügbarkeit
    BibTip Andere fanden auch interessant ...
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