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  • 1
    Online-Ressource
    Online-Ressource
    Berlin, Heidelberg :Springer Berlin / Heidelberg,
    Schlagwort(e): Arctic regions -- Climate. ; Electronic books.
    Beschreibung / Inhaltsverzeichnis: This book analyzes the latest research on ice cover variability in the Arctic seas during the 20th and early 21st centuries. It includes a discussion of the Arctic climate system and the impact of climate change from internal and external factors.
    Materialart: Online-Ressource
    Seiten: 1 online resource (182 pages)
    Ausgabe: 1st ed.
    ISBN: 9783540858751
    Serie: Springer Praxis Bks.
    DDC: 551.343091632
    Sprache: Englisch
    Anmerkung: Intro -- CONTENTS -- Preface -- List of ®gures -- List of tables -- List of abbreviations and acronyms -- Introduction -- 1 Arctic sea ice as an element of the global climate system -- 1.1 Patterns of interaction among Arctic processes in the global climate system -- 1.2 Major effects of Arctic sea ice on the climatic system -- 1.3 Stability of the sea ice cover in polar regions -- 2 Long-term changes in Arctic Seas ice extent during the twentieth century -- 2.1 Characteristics of sea ice data in the Arctic Seas -- 2.2 Seasonal and regional characteristics of ice extent trends in the twentieth century -- 2.3 The polycyclic character of long-term changes in ice extent -- 2.4 The ``60-year'' cycle and its role in ice extent changes in various regions -- 2.5 20- and 10-year cycles and their role in ice extent changes -- 2.6 Short-period variability of Arctic Seas ice extent -- 3 Variability of sea ice thickness and concentration in the twentieth century -- 3.1 Ice thickness variations -- 3.2 Changes in ice concentration -- 4 Consistency among sea ice extent and atmospheric and hydrospheric processes -- 4.1 Long-term changes in Arctic air temperature -- 4.2 Long-term changes in atmospheric pressure ®elds and atmospheric circulation indices -- 4.3 Climatic changes in the Arctic Basin ice-drift pattern -- 4.4 Changes in ice exchange between the Arctic Basin, marginal seas, and the Greenland Sea -- 4.4.1 Ice export through Fram Strait -- 4.4.2 Ice exchange between the Arctic Seas and the Arctic Basin -- 4.5 Long-term changes in multiyear ice extent in the Arctic Basin -- 4.6 Long-term changes in some water mass characteristics of the Arctic Ocean -- 4.7 Long-term changes in river runoff -- 5 Possible causes of changes in climate and in Arctic Seas ice extent -- 5.1 To the question of anthropogenic impact on sea ice extent variability. , 5.2 The in¯uence of solar activity on climate and the ice cover -- 5.3 Possible in¯uence of self-oscillations in the ocean±ice±atmosphere system -- 5.4 Solar system disymmetry and its in¯uence on solar energy ¯ux to the Earth -- 6 Assessment of possible changes in air temperature and sea-ice extent in the Arctic Seas in the twenty-®rst century -- 6.1 Brief review of the methodologies applied -- 6.2 Assessment of expected changes in air temperature and sea-ice extent based on cyclic ¯uctuations -- 6.3 Sea-ice variability during 2003±2008 -- 7 Conclusions -- Appendix A Mean monthly ice extent values in April and August for the Eurasian Arctic Seas for 1900±2008 -- Appendix B Mean annual surface air temperature (SAT) in the zone from 70-85oN for 1900-2007 -- Appendix C Mean annual zonality index in the atmosphere of the zone from 40±65 N for 1900±2007 -- References -- Index.
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 2
    Publikationsdatum: 2024-05-13
    Beschreibung: This bibliography unites the individual data collected by different types of autonomous platforms deployed during MOSAiC in 2019/2020.
    Schlagwort(e): Atmosphere; autonomous platform; distributed network; drift; MOSAiC; MOSAiC_ATMOS; MOSAiC_ICE; Multidisciplinary drifting Observatory for the Study of Arctic Climate; Oceans; Sea ice; snow
    Materialart: Dataset
    Format: 71 datasets
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 3
    Publikationsdatum: 2024-06-26
    Beschreibung: Direct (contact) measurements of sea ice thickness, elevation and snow height performed at points of 59 hydrological (oceanographic) stations during the TransArctic-2019 expedition (28 March - 04 May 2019) are presented. Variables include time, geographical location (lat, lon) and measurements of minimum (imin, m) and maximum (imax, m) sea ice thickness, minimum (iemin, m) and maximum (iemax, m) sea ice elevation (above sea level), minimum (smi, m) and maximum (sma, m) snow height, hummock concentration (huct, in 1/10 of area coverage) and maximum hummocks height (humh, m). Data is presented in CSV, DBF and shapefile formats. TransArctic-2019 expedition was convened by the Arctic and Antarctic Research Institute (AARI) aboard AARI research vessel "Akademik Tryoshnikov" within the area of the Arctic Basin northward of the Franz-Josef Land archipelago. Points of the stations were the helicopter landing sites chosen on sufficiently level and thick ice along the sections at a distance of 10s-100s km from the drifting ship.
    Schlagwort(e): Akademik Tryoshnikov; Arctic Basin; AT-2019; CT; DATE/TIME; Elevation, ice, maximum; Elevation, ice, minimum; Franz-Josef Land archipelago; Ice ridge concentration; ice thickness; Ice thickness, maximum; Ice thickness, minimum; Identification; LATITUDE; LONGITUDE; Ridge height, maximum; Sea ice observation; snow height; Snow height, maximum; Snow height, minimum; TransArctic-2019; Transarktika-2019; Transarktika-2019_track; Underway cruise track measurements
    Materialart: Dataset
    Format: text/tab-separated-values, 531 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 4
    Publikationsdatum: 2024-07-01
    Beschreibung: 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 〉 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.
    Schlagwort(e): AF-MOSAiC-1; AF-MOSAiC-1_132; Akademik Fedorov; Amount of barometric tendency; Arctic Ocean; autonomous platform; Battery, voltage; buoy; DATE/TIME; drift; ISVP; LATITUDE; LONGITUDE; MOSAiC; MOSAiC20192020, AF122/1; Multidisciplinary drifting Observatory for the Study of Arctic Climate; Pressure, atmospheric; PS122/1_1-160, 2019P88; Quality flag, position; Submerged; Surface velocity profiler; Temperature, technical
    Materialart: Dataset
    Format: text/tab-separated-values, 97884 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 5
    Publikationsdatum: 2024-07-01
    Beschreibung: 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 〉 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.
    Schlagwort(e): AF-MOSAiC-1; AF-MOSAiC-1_133; Akademik Fedorov; Amount of barometric tendency; Arctic Ocean; autonomous platform; Battery, voltage; buoy; DATE/TIME; drift; ISVP; LATITUDE; LONGITUDE; MOSAiC; MOSAiC20192020, AF122/1; Multidisciplinary drifting Observatory for the Study of Arctic Climate; Pressure, atmospheric; PS122/1_1-161, 2019P90; Quality flag, position; Submerged; Surface velocity profiler; Temperature, technical
    Materialart: Dataset
    Format: text/tab-separated-values, 240054 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 6
    Publikationsdatum: 2024-07-01
    Beschreibung: 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 〉 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.
    Schlagwort(e): AF-MOSAiC-1; AF-MOSAiC-1_135; Akademik Fedorov; Amount of barometric tendency; Arctic Ocean; autonomous platform; Battery, voltage; buoy; DATE/TIME; drift; ISVP; LATITUDE; LONGITUDE; MOSAiC; MOSAiC20192020, AF122/1; Multidisciplinary drifting Observatory for the Study of Arctic Climate; Pressure, atmospheric; PS122/1_1-163, 2019P92; Quality flag, position; Submerged; Surface velocity profiler; Temperature, technical
    Materialart: Dataset
    Format: text/tab-separated-values, 214602 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 7
    Publikationsdatum: 2024-07-01
    Beschreibung: Sea ice observations were routinely conducted by the Arctic and Antarctic Research Institute (AARI) group aboard AARI research vessel "Akademik Fedorov" during MOSAiC leg1 compaign, 25 September - 20 October 2019. Observations were conducted in accordance with AARI methodology. Special feature of the methodology is continuous estimation of sea ice parameters both along the track of navigation “on the route” (within the area around the ship of 2-3 widths of the hull) and “in the region” (within the range of eye visibility), with separation of recording into the zones with homogeneous ice characteristics [Manual on conduction of ice air reconnaissance / Rukovodstvo po proizvodstvu ledovoi aviarazvedki, 1981]. Observations were recorded in a form of an electronic log-book in accordance with the WMO Sea Ice Nomenclature (WMO-No.259) and WMO SIGRID-3 exchange format (SIGRID-3: A vector archive format for Sea Ice Georeferenced Information and Data - JCOMM TR-23, 2014). Column names, where applicable, correspond to SIGRID-3 naming convention for sea ice polygone field names (Tables A-2, B-2, B-3, C-2). Codes for the forms of ice fully correspond to SIGRID-3 "Table 3: Form of ice codes for variable identifiers FA, FB, FC, FP and FS".
    Schlagwort(e): AF-MOSAiC-1; AF-MOSAiC-1_track; Akademik Fedorov; Arctic Ocean; Comment; concentration; CT; DATE/TIME; form of ice; ice observations; Ice ridge concentration; ice thickness; Ice thickness, concentration, by interval; Kara Sea; Laptev Sea; LATITUDE; LONGITUDE; Mosaic; MOSAiC; MOSAiC20192020, AF122/1; Multidisciplinary drifting Observatory for the Study of Arctic Climate; Sea ice concentration, first-year thin ice; Sea ice concentration, grey ice; Sea ice concentration, grey-white ice; Sea ice concentration, new ice; Sea ice concentration, nilas; Sea ice concentration, residual ice; Sea ice concentration, total; Sea ice form, first-year thin ice; Sea ice form, grey ice; Sea ice form, grey-white ice; Sea ice form, new ice; Sea ice form, nilas; Sea ice form, residual ice; SIGRID-3: Table 3; Snow cover concentration; Snow cover thickness; stage of development; Underway cruise track measurements; Width of the lead, fracture or crack; Zone
    Materialart: Dataset
    Format: text/tab-separated-values, 4638 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 8
    facet.materialart.
    Unbekannt
    PANGAEA
    In:  Arctic and Antarctic Research Institute, St. Petersburg
    Publikationsdatum: 2024-07-01
    Beschreibung: Data contains recorded navigation track (geographical coordinates, time) and machine calculated course and speed of the Arctic and Antarctic Research Institute (AARI) research vessel Akademik Fedorov with 1 minute interval in CSV and shapefile formats for 21 September - 25 October 2019 (pre-MOSAiC phase). Coordinates are based on GPS positions of the vessels recorded continuously on the bridge by the DKart Navigator ECDIS. Navigation area - through the northern parts of Barents Sea, Kara Sea towards the initial area of the MOSAiC distributed network (DN) and Polarstern icebreaker central floe in the Arctic Basin (app 85N, 130E) and back. There is a couple of insignificant gaps in the row. Data are in compressed form as a single archive.
    Schlagwort(e): AF-MOSAiC-1; AF-MOSAiC-1_track; Akademik Fedorov; Arctic Basin; Arctic Ocean; Calculated; Course; CT; DATE/TIME; LATITUDE; LONGITUDE; Mosaic; MOSAiC; MOSAiC20192020, AF122/1; Multidisciplinary drifting Observatory for the Study of Arctic Climate; navigation track; Polarstern; Speed; Underway cruise track measurements
    Materialart: Dataset
    Format: text/tab-separated-values, 70744 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 9
    Publikationsdatum: 2024-07-01
    Schlagwort(e): AF-MOSAiC-1; AF-MOSAiC-1_track; Akademik Fedorov; Arctic Ocean; Calculated; Course; CT; DATE/TIME; LATITUDE; LONGITUDE; MOSAiC; MOSAiC20192020, AF122/1; Multidisciplinary drifting Observatory for the Study of Arctic Climate; Speed; Underway cruise track measurements
    Materialart: Dataset
    Format: text/tab-separated-values, 7490 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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  • 10
    Publikationsdatum: 2024-07-01
    Beschreibung: 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 〉 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.
    Schlagwort(e): AF-MOSAiC-1; AF-MOSAiC-1_134; Akademik Fedorov; Amount of barometric tendency; Arctic Ocean; autonomous platform; Battery, voltage; buoy; DATE/TIME; drift; ISVP; LATITUDE; LONGITUDE; MOSAiC; MOSAiC20192020, AF122/1; Multidisciplinary drifting Observatory for the Study of Arctic Climate; Pressure, atmospheric; PS122/1_1-162, 2019P91; Quality flag, position; Submerged; Surface velocity profiler; Temperature, technical
    Materialart: Dataset
    Format: text/tab-separated-values, 157488 data points
    Standort Signatur Einschränkungen Verfügbarkeit
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