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  • 1
    Call number: AWI G3-99-0175 ; AWI G3-11-0026
    Description / Table of Contents: The Arctic is considered to be one of the most sensitive environmental elements on Earth, which may respond rapidly to climate change. However, our knowledge of the present and past processes of the Arctic system is still relatively sparse. Based on a multidisciplinary approach, German and Russian scientists describe in this book the natural processes behind short- and long-term changes in the Laptev Sea and its hinterland (Arctic Siberia), using modern climate data and paleorecords which were collected over the past 6 years. These marine and terrestrial datasets provide important new insights into the causes, impacts, and feedback mechanisms of this extreme environment.
    Type of Medium: Monograph available for loan
    Pages: XI, 711 S. , Ill., graph. Darst., Kt.
    ISBN: 3540656766
    Language: English
    Note: Table of Contents: SECTION A: MODERN OCEAN AND SEA-ICE PROCESSES. - Features of Seasonal and Interannual Variability of the Sea Level and Water Circulation in the Laptev Sea / V. K. Pavlov and P. V. Pavlov. - Numerical Modelling of Storm Surges in the Laptev Sea Based on the Finite Element Method / I. Ashik and A. Novakov. - Large-Scale Variations of Sea Level in the Laptev Sea / G. N. Voinov and E. A. Zakharchuk. - Extreme Oscillations of the Sea Level in the Laptev Sea / I. Ashik, Y. Dvorkin and Y. Vanda. - Internal Waves in the Laptev Sea / E. A. Zakharchuk. - The Composition of the Coarse Fraction of Aerosols in the Marine Boundary Layer over the Laptev, Kara and Barents Seas / V. P. Shevchenko, A. P. Lisitzin, R. Stein, V. V. Serova, A. B. Isaeva and N. V. Politova. - New Data on Sea-Ice Albedo in the Laptev and Barents Seas / B. V. Ivanov. - Possible Causes of Radioactive Contamination in the Laptev Sea / V. K. Pavlov, V. V. Stanovoy and A. I. Nikitin. - Oceanographic Causes for Transarctic Ice Transport of River Discharge / I. Dmitrenko, P. Golovin, V. Gribanov and H. Kassens. - Step-Like Vertical Structure Formation Due to Turbulent Mixing of Initially Continuous Density Gradients / A. Zatsepin, S. Dikarev, S. Poyarkov, N. Sheremet, I. Dmitrenko, P. Golovin and H. Kassens. - Dissolved and Paniculate Major and Trace Elements in Newly Formed Ice from the Laptev Sea (Transdrift III, October 1995) / J. A. Hölemann, M. Schirmacher and A. Prange. - Particle Entrainment into Newly Forming Sea Ice - Freeze-Up Studies in October 1995 / F. Lindemann, J. A. Holemann, A. Korablev and A. Zachek. - Frazil Ice Formation during the Spring Flood and its Role in Transport of Sediments to the Ice Cover / P. Golovin, I. Dmitrenko, H. Kassens and J. A. Hölemann. - SECTION B: THE MARINE ECOSYSTEM. - Pelagic-Benthic Coupling in the Laptev Sea Affected by Ice Cover / C. Grahl, A. Boetius and E.-M. Nöthig. - Chlorophyll a Distribution in Water Column and Sea Ice during the Laptev Sea Freeze-Up Study in Autumn 1995 / K. v. Juterzenka and K. Knickmeier. - Composition, Abundance and Population Structure of Spring-Time Zooplankton in the Shelf-Zone of Laptev Sea / E. N. Abramova. - Macrobenthos Distribution in the Laptev Sea in Relation to Hydrology / V. V. Petryashov, B. I. Sirenko, A. A. Golikov, A. V. Novozhilov, E. Rachor, D. Piepenburg and M. K. Schmid. - Carepoctus solidus sp.n., a New Species of Liparid Fish (Scorpaeniformes, Liparidae) from the Lower Bathyal of the Polar Basin / N. V. Chernova. - Spring Stopover of Birds on the Laptev Sea Polynya / D. V. Solovieva. - SECTION C: LAND-OCEAN INTERACTIONS AND PATHWAYS. - Major, Trace and Rare Earth Element Geochemistry of Suspended Particulate Material of East Siberian Rivers Draining to the Arctic Ocean / V. Rachold. - Carbon Isotope Composition of Particulate Organic Material in East Siberian Rivers / V. Rachold and H.-W. Hubberten. - Distribution of River Water and Suspended Sediment Loads in the Deltas of Rivers in the Basins of The Laptev and East-Siberian Seas / V. V. Ivanov and A. A. Piskun. - Dissolved Oxygen, Silicon, Phosphorous and Suspended Matter Concentrations During the Spring Breakup of The Lena River / S. V. Pivovarov, J. A. Hölemann, H. Kassens, M. Antonow and I. Dmitrenko. - Distribution Patterns of Heavy Minerals in Siberian Rivers, the Laptev Sea and the eastern Arctic Ocean: An Approach to Identify Sources, Transport and Pathways of Terrigenous Matter / M. Behrends, E. Hoops and B. Peregovich. - The Role of Coastal Retreat for Sedimentation in the Laptev Sea / F. E. Are. - SECTION D: TERRESTRIAL ENVIRONMENT - PAST AND PRESENT. - Seasonal Changes in Hydrology, Energy Balance and Chemistry in the Active Layers of Arctic Tundra Soils in Taymyr Peninsula, Russia / J. Boike and P. P. Overduin. - The Landscape and Geobotanical Characteristics of the Levinson-Lessing Lake Basin, Byrranga Mountains, Central Taimyr / M. A. Anisimov and I. N. Pospelov. - Studies of Methane Production and Emission in Relation to the Microrelief of a Polygonal Tundra in Northern Siberia / V. A. Samarkin, A. Gundelwein and E.-M. Pfeiffer. - Carbon Dioxide and Methane Emmissions at Arctic Tundra Sites in North Siberia / M. Sommerkom, A. Gundelwein, E.-M. Pfeiffer and M. Bolter. - The Features of the Hydrological Regime of the Lake-River Systems of the Byrranga Mountains (by the Example of the Levinson-Lessing Lake) / V. P. Zimichev, D. Yu. Bolschyanov, V. G. Mesheryakov and D. Gintz. - Lead-210 Dating and Heavy Metal Concentration in Recent Sediments of Lama Lake (Norilsk Area, Siberia) / B. Hagedorn, S. Harwart, M. M. R. van der Loeff and M. Melles. - Late Weichselian to Holocene Diatom Succession in a Sediment Core from Lama Lake, Siberia and Presumed Ecological Implications / U. Kienel. - Climate and Vegetation History of the Taymyr Peninsula since Middle Weichselian Time - Palynological Evidence from Lake Sediments / J. Hahne and M. Melles. - Laminated Sediments from Levinson-Lessing Lake, Northern Central Siberia - A 30,000 Year Record of Environmental History? / T. Ebel, M. Melles and F. Niessen. - High-Resolution Seismic Stratigraphy of Lake Sediments on the Taymyr Peninsula, Central Siberia / F. Niessen, T. Ebel, C. Kopsch and G. B. Fedorov. - Archaeological Survey in Central Taymyr / V. V. Pitul'ko. - Marine Pleistocene Deposits of the Taymyr Peninsula and their Age from ESR Dating / D. Bolshiyanov and A. Molodkov. - Paleoclimatic Indicators from Permafrost Sequences in the Eastern Taymyr Lowland / C. Siegert, A. Yu. Derevyagin, G.N. Shilova, W.-D. Hermichen and A. Hiller. - SECTION E: MARINE DEPOSITIONAL ENVIRONMENT - PAST AND PRESENT. - Stable Oxygen Isotope Ratios in Benthic Carbonate Shells of Ostracoda, Foraminifera, and Bivalvia from Surface Sediments of the Laptev Sea, Summer 1993 and 1994 / H. Erlenkeuser and U. von Grafenstein. - Determination of Depositional Beryllium-10 Fluxes in the Area of the Laptev Sea and Beryllium-10 Concentrations in Water Samples of High Northern Latitudes / C. Strobl, V. Schulz, S. Vogler, S. Baumann, H. Kassens, P. W. Kubik, M. Suter and A. Mangini. - Spatial Distribution of Diatom Surface Sediment Assemblages on the Laptev Sea Shelf (Russian Arctic) / H. Cremer. - Diatoms from Surface Sediments of the Saint Anna Trough (Kara Sea) / R. N. Djinoridze, G. I. Ivanov, E. N. Djinoridze, and R. F. Spielhagen. - Distribution of Aquatic Palynomorphs in Surface Sediments from the Laptev Sea, Eastern Arctic Ocean / M. Kunz-Pirrung. - Distribution of Pollen and Spores in Surface Sediments of the Laptev Sea / O. D. Naidina and H. A. Bauch. - Clay Mineral Distribution in Surface Sediments of the Laptev Sea: Indicator for Sediment Provinces, Dynamics and Sources / B. T. Rossak, H. Kassens, H. Lange and J. Thiede. - Planktic Foraminifera in Holocene Sediments from the Laptev Sea and the Central Arctic Ocean: Species Distribution and Paleobiogeographical Implication / H. A. Bauch. - Holocene Diatom Stratigraphy and Paleoceanography of the Eurasian Arctic Seas / Y. Polyakova. - Late Quaternary Organic Carbon and Biomarker Records from the Laptev Sea Continental Margin (Arctic Ocean): Implications for Organic Carbon Flux and Composition / R. Stein, K. Fahl, F. Niessen and M. Siebold. - Late Pleistocene Paleoriver Channels on the Laptev Sea Shelf - Implications from Sub-Bottom Profiling / H. P. Kleiber and F. Niessen. - Main Structural Elements of Eastern Russian Arctic Continental Margin Derived from Satellite Gravity and Multichannel Seismic Reflection Data / S. S. Drachev, G. L. Johnson, S. W. Laxon, D. C. McAdoo and H. Kassens. - High Resolution Seismic Studies in the Laptev Sea Shelf: First Results and Future Needs / B. Kim, G. Grikurov and V. Soloviev. - SECTION F: SUMMARY. - Dynamics and History of the Laptev Sea and its Continental Hinterland: A Summary / J. Thiede, L. Timokhov, H. A. Bauch, D. Bolshiyanov, I. Dmitrenko
    Location: AWI Reading room
    Location: AWI Reading room
    Branch Library: AWI Library
    Branch Library: AWI Library
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  • 2
    Publication Date: 2024-02-23
    Description: Time series of currents, salinity (conductivity), temperature Chlorophyl-a and CDOM were obtained in the period May- June 2014 by use of a McLane ice-tethered profiler in Young Sound, Greenland. At YS05 (74.238 N, 20.188 W) the mooring consisted of a 600 kHz downward-looking Nortek Aquadopp ADCP and an SBE 52-MP CTD (accuracy temperature ±0.002 C and conductivity ±0.0003 Sm-1) and WetLab ECO triplet (Cholorphyll-a and CDOM). Velocities were corrected for magnetic deviation (18.5o). The water column sampling spanned between 1.5 and 30 m depth every 30 min. The ADCP was set to sample 80 bins (bin size of 0.5 m) and each bin consisted of a 1 min ensemble average of 60 pings. The first and last bins were centred at 1m and 41 m depth. Only bins between 2.5 and 30 m were adequately measured. For further details see Boone et al., 2017 (Circulation and fjord-shelf exchange during the ice-covered period in Young Sound-Tyrolerfjord, Northwest Greenland (74 N). Estuar. Coast. Shelf Sci., 15, 194-205. https://doi.org/10.1016/j.ecss.2017.06.021).
    Keywords: Current velocity, east-west; Current velocity, north-south; DATE/TIME; DEPTH, water; Event label; Fluorescence, chlorophyll; Fluorescence, colored dissolved organic matter; Fluorometer, WET Labs ECO 3-Triplet; Hydrographic time series; ice-covered conditions; LATITUDE; LONGITUDE; MOOR; Moored Profiler CTD, Sea-Bird, SBE 52-MP; Mooring; Nortek Acoustic Wave and Current Profiler (AWAC); Pressure, water; Salinity; Temperature, water; Young Sound, Greenland; Young Sound-Greenland; YS05
    Type: Dataset
    Format: text/tab-separated-values, 284915 data points
    Location Call Number Expected Availability
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  • 3
    Publication Date: 2024-02-23
    Description: CTD data was obtained in the period April-June 2014 in Young Sound, Greenland. CTD casts were performed using an SBE-19 plus CTD (accuracy: ±0.005 C and ±0.0005 Sm-1) which was lowered through ice-drilled holes. In total, 4 transects were performed and covered from the mouth to the head of the fjord. Standardized routines of Seabird software were used on the data set for quality control and bin averaging. The data sets consist of profiles of practical salinity, temperature, potential temperature, dissolved oxygen, fluorescence, turbidity, and irradiance (PAR). For further details see Boone et al., 2017 (Circulation and fjord-shelf exchange during the ice-covered period in Young Sound-Tyrolerfjord, Northwest Greenland (74o N). Estuar. Coast. Shelf Sci., 15, 194-205. https://doi.org/10.1016/j.ecss.2017.06.021).
    Keywords: CTD, Sea-Bird, SBE 19plus; CTD data; DATE/TIME; DEPTH, water; Event label; Fluorescence; ice-covered conditions; LATITUDE; LONGITUDE; Oxygen, dissolved; Pressure, water; Radiation, photosynthetically active; Salinity; Sample elevation; Temperature, water; Temperature, water, potential; Turbidity (Formazin Turbidity Unit); Young Sound, Greenland; Young Sound-Greenland; YS-001; YS-002; YS-003; YS-004; YS-005; YS-006; YS-007; YS-008; YS-009; YS-010; YS-011; YS-012; YS-013; YS-014; YS-015; YS-016; YS-017; YS-018; YS-019; YS-020; YS-021; YS-022; YS-023; YS-024; YS-025; YS-026; YS-027; YS-028; YS-029; YS-030; YS-031; YS-032; YS-033; YS-034; YS-035; YS-036; YS-037; YS-038; YS-039; YS-040; YS-041; YS-042; YS-043; YS-044; YS-045; YS-046; YS-047; YS-048; YS-049; YS-050; YS-051; YS-052; YS-053; YS-054; YS-055; YS-056; YS-057; YS-058; YS-059; YS-060; YS-061; YS-062; YS-063; YS-064; YS-065; YS-066; YS-067; YS-068; YS-069; YS-070; YS-071; YS-072; YS-073; YS-074; YS-075; YS-076; YS-077; YS-078; YS-079; YS-080; YS-081; YS-082; YS-083; YS-084; YS-085; YS-086; YS-087; YS-088; YS-089; YS-090; YS-091; YS-092; YS-093; YS-094; YS-095; YS-096; YS-097; YS-098; YS-099; YS-100; YS-101; YS-102; YS-103; YS-104; YS-105; YS-106; YS-107; YS-108; YS-109; YS-110; YS-111; YS-112; YS-113; YS-114; YS-115; YS-116; YS-117; YS-118; YS-119; YS-120; YS-121; YS-122; YS-123; YS-124; YS-125; YS-126; YS-127; YS-128; YS-129; YS-130; YS-131; YS-132
    Type: Dataset
    Format: text/tab-separated-values, 191889 data points
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  • 4
    Publication Date: 2024-02-14
    Description: Time series of currents were obtained in the period May- June 2014 by use of an ice-tethered mooring in Young Sound, Greenland. At YS07 (74.233o N, 20.133o W) the mooring consisted of a 600 kHz downward-looking Nortek Aquadopp ADCP. Velocities were corrected for magnetic deviation (18.5o). The water column sampling spanned between 1.5 and 30 m depth every 30 min. The ADCP was set to sample 80 bins (bin size of 0.5 m) and each bin consisted of a 1 min ensamble average of 60 pings. The first and last bins were centred at 1m and 41 m depth. Only bins between 2.5 and 30 m were adequately measured. For further details see Boone et al., 2017 (Circulation and fjord-shelf exchange during the ice-covered period in Young Sound-Tyrolerfjord, Northwest Greenland (74o N). Estuar. Coast. Shelf Sci., 15, 194-205. https://doi.org/10.1016/j.ecss.2017.06.021).
    Keywords: Acoustic Doppler Current Profiling (ADCP), Nortek Aquadopp 600 khz; Current velocity, east-west; Current velocity, north-south; DATE/TIME; DEPTH, water; Event label; Hydrographic time series; ice-covered conditions; LATITUDE; LONGITUDE; Nortek Acoustic Wave and Current Profiler (AWAC); Pressure, water; Young Sound, Greenland; Young Sound-Greenland; YS07
    Type: Dataset
    Format: text/tab-separated-values, 2601120 data points
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  • 5
    Publication Date: 2024-02-22
    Description: Time series of currents were obtained in the period May- June 2014 by use of an ice-tethered mooring in Young Sound, Greenland. At YS06 (74.245o N, 20.229o W) the mooring consisted of a 600 kHz downward-looking Nortek Aquadopp ADCP. Velocities were corrected for magnetic deviation (18.5o). The water column sampling spanned between 1.5 and 30 m depth every 30 min. The ADCP was set to sample 80 bins (bin size of 0.5 m) and each bin consisted of a 1 min ensamble average of 60 pings. The first and last bins were centred at 1m and 41 m depth. Only bins between 2.5 and 30 m were adequately measured. For further details see Boone et al., 2017 (Circulation and fjord-shelf exchange during the ice-covered period in Young Sound-Tyrolerfjord, Northwest Greenland (74o N). Estuar. Coast. Shelf Sci., 15, 194-205. https://doi.org/10.1016/j.ecss.2017.06.021).
    Keywords: Acoustic Doppler Current Profiling (ADCP), Nortek Aquadopp 600 khz; Current velocity, east-west; Current velocity, north-south; DATE/TIME; DEPTH, water; Event label; Hydrographic time series; ice-covered conditions; LATITUDE; LONGITUDE; Nortek Acoustic Wave and Current Profiler (AWAC); Pressure, water; Young Sound, Greenland; Young Sound-Greenland; YS06
    Type: Dataset
    Format: text/tab-separated-values, 2606160 data points
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  • 6
    Publication Date: 2024-02-22
    Description: Time series of currents were obtained in the period October 2013 and May 2014 by use of an ice-tethered mooring in Young Sound, Greenland. At YS02 (74.267o N, 20.248o W) the mooring consisted of a 300 kHz downward-looking Teledyne RDI Workhorse Sentinel acoustic Doppler current profiler (ADCP) measuring horizontal and vertical current velocities. Velocity precision and resolution were ±1% and ±5 cm s-1, respectively, while compass accuracy and resolution were ±2 and 0.1 degrees. The ADCP was set to sample 39 bins (bin size of 2m), where each 10 min sample consists of averages of 20 pings. The first and last bins were set at 6 and 84 m depth. Velocities were corrected for magnetic deviation (18.5 degrees) and samples with insufficient acoustic backscatter in the water column were eliminated with the RDI ADCP software. For further details see Boone et al., 2017 (Circulation and fjord-shelf exchange during the ice-covered period in Young Sound-Tyrolerfjord, Northwest Greenland (74o N). Estuar. Coast. Shelf Sci., 15, 194-205. https://doi.org/10.1016/j.ecss.2017.06.021).
    Keywords: Acoustic Doppler Current Profiling (ADCP), TRDI Workhorse Sentinel, 300 kHz; Current velocity, east-west; Current velocity, north-south; DATE/TIME; DEPTH, water; Event label; Hydrographic time series; ice-covered conditions; LATITUDE; LONGITUDE; Pressure, water; Young Sound, Greenland; Young Sound-Greenland; YS02
    Type: Dataset
    Format: text/tab-separated-values, 3144532 data points
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  • 7
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    PANGAEA
    In:  Supplement to: Bauch, Dorothea; Dmitrenko, Igor; Wegner, Carolyn; Hölemann, Jens A; Kirillov, Sergey A; Timokhov, Leonid; Kassens, Heidemarie (2009): Exchange of Laptev Sea and Arctic Ocean halocline waters in response to atmospheric forcing. Journal of Geophysical Research: Oceans, 114, C05008, https://doi.org/10.1029/2008JC005062
    Publication Date: 2024-04-16
    Description: Combined d18O/salinity data reveal a distinctive water mass generated during winter sea ice formation which is found predominantly in the coastal polynya region of the southern Laptev Sea. Export of the brine-enriched bottom water shows interannual variability in correlation with atmospheric conditions. Summer anticyclonic circulation is favoring an offshore transport of river water at the surface as well as a pronounced signal of brine-enriched waters at about 50 m water depth at the shelf break. Summer cyclonic atmospheric circulation favors onshore or an eastward, alongshore water transport, and at the shelf break the river water fraction is reduced and the pronounced brine signal is missing, while on the middle Laptev Sea shelf, brine-enriched waters are found in high proportions. Residence times of bottom and subsurface waters on the shelf may thereby vary considerably: an export of shelf waters to the Arctic Ocean halocline might be shut down or strongly reduced during "onshore" cyclonic atmospheric circulation, while with "offshore" anticyclonic atmospheric circulation, brine waters are exported and residence times may be as short as 1 year only.
    Keywords: ARK-XIV/1b; CTD/Rosette; CTD-RO; East Siberian Sea; Giant box corer; GKG; Helicopter; IK03-01-A; IK03-02-A; IK03-03-A; IK03-03-B; IK03-04-A; IK03-05-A; IK03-06-A; IK03-07-A; IK03-08-A; IK03-09-A; IK03-10-A; IK03-11-A; IK03-12-A; IK03-13-A; IK03-14-A; IK03-15-A; IK03-16-A; IK03-17-A; IK03-18-A; IK03-19-A; IK03-20-A; IK03-21-A; IK03-22-A; IK03-23-A; IK93_1; IK93_10; IK93_100; IK93_101; IK93_102; IK93_103; IK93_104; IK93_105; IK93_106; IK93_107; IK93_108; IK93_109; IK93_11; IK93_110; IK93_111; IK93_112; IK93_113; IK93_114; IK93_115; IK93_116; IK93_117; IK93_118; IK93_119; IK93_12; IK93_120; IK93_121; IK93_122; IK93_123; IK93_124; IK93_125; IK93_126; IK93_127; IK93_128; IK93_129; IK93_13; IK93_130; IK93_131; IK93_14; IK93_15; IK93_16; IK93_17; IK93_18; IK93_19; IK93_2; IK93_20; IK93_21; IK93_22; IK93_23; IK93_24; IK93_25; IK93_26; IK93_27; IK93_28; IK93_29; IK93_3; IK93_30; IK93_31; IK93_32; IK93_33; IK93_34; IK93_35; IK93_36; IK93_37; IK93_38; IK93_38a; IK93_39; IK93_4; IK93_40; IK93_41; IK93_42; IK93_43; IK93_44; IK93_45; IK93_45a; IK93_46; IK93_47; IK93_48; IK93_49; IK93_5; IK93_50; IK93_51; IK93_52; IK93_53; IK93_54; IK93_55; IK93_56; IK93_57; IK93_58; IK93_59; IK93_6; IK93_60; IK93_61; IK93_62; IK93_63; IK93_64; IK93_65; IK93_66; IK93_67; IK93_68; IK93_69; IK93_7; IK93_70; IK93_71; IK93_72; IK93_73; IK93_74; IK93_75; IK93_76; IK93_77; IK93_78; IK93_79; IK93_8; IK93_80; IK93_81; IK93_82; IK93_83; IK93_84; IK93_85; IK93_86; IK93_87; IK93_88; IK93_89; IK93_9; IK93_90; IK93_91; IK93_92; IK93_93; IK93_94; IK93_95; IK93_96; IK93_97; IK93_98; IK93_99; Ivan Kireyev; Kapitan Dranitsyn; Kara Sea; KD9501-1; KD9502-1; KD9502-2; KD9502-3; KD9502-4; KD9503-1; KD9504-1; KD9505-1; KD9506-1; KD9507-1; KD9508-1; KD9509-1; KD9510-1; KD9511-1; KD9512-1; KD9513-1; KD9514-1; KD9515-1; KD9516-1; KD9517-1; KD9518-1; KD9519-1; KD9520-1; KD9521-1; KD9522-1; KD9523-1; KD9524-1; KD9525-1; KD9526-1; KD9527-1; KD9528-1; KD9529-1; KD9530-1; KD9531-1; KD9532-1; KD9533-1; KD9534-1; KD9536-1; KD9538-1; KD9540-1; KD9541-1; KD9543-1; KD9545-1; KD9546-1; KD9547-1; KD9548-1; KD9549-1; KD9550-1; KD9551-1; KD9552-1; KD9553-1; KD9554-1; KD9555-1; KD9556-1; KD9557-1; KD9558-1; KD9559-1; KD9560-1; KD9564-1; KD9565-1; KD9566-1; KD9567-1; KD9568-1; KD9569-1; KD9570-1; KD9571-1; KD9573-1; KD9574-1; Laptev Sea; Laptev Sea System; Lena Nordenskøld Station; LN9601-1; LN9602-1; LN9603-1; LN9603A-2; LN9603B-2; LN9604-1; LN9604A-2; LN9604B-2; LN9605-1; LN9605A-1; LN9605B-1; LN9606-1; LN9606A-2; LN9606B-2; LN9608-2; LN9608A-3; LN9608B-2; LN9609-1; LN9609A-2; LN9609B-2; LN9610-1; LN9610A-2; LN9610B-1; LN9611-2; LN9611A-3; LN9611B-3; LN9612-1; LN9613-1; LN9614-1; LN9615-1; LN9616-1; LN9617-1; LN9618-1; LN9619-1; LN9620-1; LN9620A-2; LN9621-1; LN9621A-2; LN9622-1; LN9623-1; LN9623A-2; LN9624-2; LN9624A-1; LN9625-1; LSS; MULT; Multiple investigations; PM9401-1; PM9401-2; PM9401-3; PM9402-1; PM9402-2; PM9402-3; PM9402-4; PM9402-5; PM9402-6; PM9402-7; PM9403-1; PM9403-2; PM9404-1; PM9405-1; PM9405-2; PM9406-1; PM9407-1; PM9407-2; PM9408-1; PM9409-1; PM94100-1; PM9410-1; PM94101-1; PM9410-2; PM9411-1; PM9412-1; PM9413-1; PM9413-10; PM9413-11; PM9413-12; PM9413-13; PM9413-2; PM9413-3; PM9413-4; PM9413-5; PM9413-6; PM9413-7; PM9413-8; PM9413-9; PM9414-1; PM9415-1; PM9415-2; PM9416-1; PM9416-2; PM9417-1; PM9417-10; PM9417-11; PM9417-12; PM9417-13; PM9417-14; PM9417-15; PM9417-16; PM9417-17; PM9417-2; PM9417-3; PM9417-4; PM9417-5; PM9417-6; PM9417-7; PM9417-8; PM9417-9; PM9418-1; PM9418-2; PM9419-1; PM9419-2; PM9419-3; PM9420-1; PM9420-2; PM9421-1; PM9421-2; PM9422-1; PM9423-1; PM9424; PM9424-1; PM9424-10; PM9424-11; PM9424-12; PM9424-13; PM9424-14; PM9424-15; PM9424-16; PM9424-17; PM9424-18; PM9424-2; PM9424-20; PM9424-3; PM9424-4; PM9424-5; PM9424-6; PM9424-7; PM9424-8; PM9424-9; PM9425-1; PM9426-1; PM9426-2; PM9427-1; PM9427-2; PM9428-1; PM9428-2; PM9429-1; PM9429-2; PM9430-1; PM9430-2; PM9431-1; PM9431-2; PM9432-1; PM9432-2; PM9433-1; PM9433-2; PM9434-1; PM9435-1; PM9436-1; PM9436-2; PM9437-1; PM9437-2; PM9437-3; PM9438-1; PM9438-2; PM9439-1; PM9440-1; PM9440-2; PM9441-1; PM9441-2; PM9442-1; PM9442-2; PM9442-3; PM9442-4; PM9442-5; PM9442-6; PM9442-7; PM9442-8; PM9443-1; PM9443-2; PM9444-1; PM9444-2; PM9445-1; PM9445-10; PM9445-11; PM9445-12; PM9445-13; PM9445-14; PM9445-15; PM9445-16; PM9445-17; PM9445-2; PM9445-3; PM9445-4; PM9445-6; PM9445-7; PM9445-8; PM9445-9; PM9446-1; PM9447-1; PM9448-1; PM9449-1; PM9449-2; PM9450-1; PM9451-1; PM9452-1; PM9453-1; PM9454-1; PM9455-1; PM9456-1; PM9457-1; PM9458-1; PM9459-1; PM9460-1; PM9461-1; PM9462-1; PM9462-2; PM9463; PM9463-1; PM9463-10; PM9463-11; PM9463-12; PM9463-13; PM9463-14; PM9463-15; PM9463-16; PM9463-17; PM9463-18; PM9463-2; PM9463-20; PM9463-21; PM9463-22; PM9463-23; PM9463-24; PM9463-25; PM9463-26; PM9463-27; PM9463-28; PM9463-29; PM9463-3; PM9463-30; PM9463-31; PM9463-32; PM9463-33; PM9463-34; PM9463-35; PM9463-36; PM9463-37; PM9463-38; PM9463-39; PM9463-4; PM9463-40; PM9463-41; PM9463-42; PM9463-43; PM9463-5; PM9463-6; PM9463-7; PM9463-8; PM9463-9; PM9465-1; PM9466-1; PM9466-2; PM9466-3; PM9467-1; PM9467-2; PM9468-1; PM9468-2; PM9469-1; PM9469-2; PM9470-1; PM9470-2; PM9471-1; PM9472-1; PM9473-1; PM9474-1; PM9475-1; PM9476-1; PM9477-1; PM9478-1; PM9479-1; PM9480-1; PM9481-1; PM9483-1; PM9484-1; PM9485-1; PM9486-1; PM9487-1; PM9488-1; PM9489-1; PM9490-1; PM9491-1; PM9493-1; PM9493-2; PM9494-1; PM9495-1; PM9496-1; PM9497-1; PM9498-1; PM9499-1; PM94a33-1; PM94a51-10; PM94a51-11; PM94a51-12; PM94a51-13; PM94a51-14; PM94a51-15; PM94a51-16; PM94a51-17; PM94a51-18; PM94a51-2; PM94a51-3; PM94a51-4; PM94a51-5; PM94a51-6; PM94a51-7; PM94a51-8; PM94a51-9; PM94a57-1; PM94K01; PM94K02; PM94K03; PM94K04; PM94K05; PM94K06; PM94K07-1; PM94K08-1; PM94K08-2; PM94K09-1; PM94K09-2; PM94K10-1; PM94K10-2; PM94K11-1; PM94K12; PM94K12-1; PM94K12-11; PM94K12-12; PM94K12-13; PM94K12-14; PM94K12-15; PM94K12-16; PM94K12-17; PM94K12-18; PM94K12-2; PM94K12-20; PM94K12-21; PM94K12-22; PM94K12-23; PM94K12-24; PM94K12-25; PM94K12-26; PM94K12-27; PM94K12-28; PM94K12-29; PM94K12-3; PM94K12-4; PM94K12-5; PM94K12-6; PM94K12-7; PM94K12-8; PM94K12-9; PM94K13; PM94K13-1; PM94K13-10; PM94K13-11; PM94K13-12; PM94K13-13; PM94K13-14; PM94K13-15; PM94K13-16; PM94K13-17; PM94K13-18; PM94K13-2; PM94K13-20; PM94K13-21; PM94K13-22; PM94K13-23; PM94K13-24; PM94K13-25; PM94K13-26; PM94K13-27; PM94K13-28; PM94K13-29; PM94K13-3; PM94K13-30; PM94K13-31; PM94K13-32; PM94K13-33; PM94K13-34; PM94K13-4; PM94K13-5; PM94K13-6; PM94K13-7; PM94K13-8; PM94K13-9; PM94K14-1; PM94K14-2; PM94K14-3; PM94K14-4; PM94K14-5; PM94K15-1; PM94K16-1; Polarstern; Professor Multanovskiy; PS51/078-1; PS51/080-7; PS51/082-1; PS51/083-2; PS51/084-2; PS51/086-1; PS51/087-2; PS51/089-1; PS51/090-1; PS51/091-1; PS51/092-7; PS51/095-3; PS51/096-3; PS51/097-1; PS51/098-3; PS51/099-3; PS51/100-3; PS51/101-1; PS51/102-3; PS51/103-1; PS51/104-7; PS51/110-3; PS51/112-3; PS51/114-2; PS51/116-1; PS51/120-1; PS51/122-1; PS51/125-2; PS51/129-1; PS51/130-1; PS51/131-2; PS51/132-2; PS51/133-2; PS51/134-3; PS51/138-7; PS51/144-5; PS51/145-2; PS51/146-5; PS51/147-2; PS51/148-5; PS51/149-5; PS51/150-5; PS51/151-2; PS51/152-4; PS51/153-2; PS51/154-4; PS51/157-2; PS51/158-2; PS51/159-5; PS51 Transdrift-V; TI99; TI9901-1; TI9902-1; TI9903-1; TI9904-1; TI9905-1; TI9906-1; TI9907-1; TI9908-1; TI9909-1; TI9910-1; TI9911-1; TI9912-1; TI9913-1; TI9914-1; TI9915-1; TI9916-1; TI9917-1; TI9918-1; TI9919-1; TI9920-1; TI9921-1; TI9922-1; TI9923-1; TI9924-1; Transdrift-I; Transdrift-II; Transdrift-III; Transdrift-IV; Transdrift-IX; Transdrift-VI; Transdrift-VII; Transdrift-VIII; Water sample; WS; Yakov Smirnitskiy; YS00_01; YS00_02; YS00_03; YS00_04; YS00_05; YS00_06; YS00_07; YS00_08; YS00_09; YS00_10; YS00_11; YS00_12; YS00_13; YS00_14; YS00_15; YS00_16; YS00_17; YS00_18; YS00_19; YS00_20; YS00_21; YS00_22; YS00_23; YS00_24; YS00_25; YS00_26; YS00_27; YS00_28; YS00_29; YS00_30; YS00_31; YS00_32; YS00_33; YS00_34; YS00_35; YS00_36; YS00_37; YS00_38; YS00_39;
    Type: Dataset
    Format: application/zip, 17 datasets
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  • 8
    Publication Date: 2018-03-23
    Description: The freshwater content of the Arctic Ocean and its bordering seas has recently increased. Observing freshening events is an important step toward identifying the drivers and understanding the effects of freshening on ocean circulation and marine ecosystems. Here we present a 13 year (2003–2015) record of temperature and salinity in Young Sound-Tyrolerfjord (74°N) in Northeast Greenland. Our observations show that strong freshening occurred from August 2005 to August 2007 (−0.92 psu or −0.46 psu yr−1) and from August 2009 to August 2013 (−0.66 psu or −0.17 psu yr−1). Furthermore, temperature-salinity analysis from 2004 to 2014 shows that freshening of the coastal water (~range at sill depth: 33.3 psu in 2005 to 31.4 psu in 2007) prevented renewal of the fjord's bottom water. These data provide critical observations of interannual freshening rates in a remote fjord in Greenland and in the adjacent coastal waters and show that coastal freshening impacts the fjord hydrography, which may impact the ecosystem dynamics in the long term. ©2018. American Geophysical Union. All Rights Reserved.
    Print ISSN: 0094-8276
    Electronic ISSN: 1944-8007
    Topics: Geosciences , Physics
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  • 9
    Publication Date: 2016-06-08
    Description: The role of wind forcing on the vertical displacement of the −1°C isotherm and 33.8 isohaline depths was examined based on snapshots of historical (1950–2013) temperature and salinity profiles along the Mackenzie continental slope (Beaufort Sea). It is found that upwelling is correlated with along-slope northeast (T59°) winds during both ice-free and ice-covered conditions, although the wind impact is more efficient during the ice-free season. One of the most important factors responsible for vertical displacements of isopycnals is sustained wind forcing that can last for several weeks and even longer. It accounts for 14%–55% of total variance in isotherm/isohaline depths, although these numbers might be underestimated. The upwelling and downwelling events are discussed in the context of the interplay between two regional centers of action—the Beaufort high and Aleutian low—that control the wind pattern over the southern Beaufort Sea. The probability of upwelling-favorable wind occurrence is closely related to the sea level pressure difference between these two centers, as well as their geographical positions. The combined effect of both centers expressed as the SLP differences is highly correlated (0.68/0.66 for summer/winter) with occurrences of extreme upwelling-favorable northeast (NE) winds over the Mackenzie slope, although the Beaufort high plays a more important role. The authors also diagnosed the predominant upwelling-favorable conditions over the Mackenzie slope in the recent decade associated with the summertime amplification of the Beaufort high. The upwelling-favorable NE wind occurrences also demonstrate the significant but low (−0.30) correlation with Arctic Oscillation (AO) during both summer and winter seasons, whereas the high correlation with North Pacific index (NPI; −0.52) is obtained only for the ice-covered period.
    Print ISSN: 0894-8755
    Electronic ISSN: 1520-0442
    Topics: Geography , Geosciences , Physics
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  • 10
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