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  • 2015-2019  (42)
  • 2000-2004  (36)
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  • 1
    Online Resource
    Online Resource
    Verbundprojekt SMIS - Subsea monitoring via intelligent swarms : TP Seeerprobungen und wissenschaftliche Anwendungen : Schlussbericht (2016)
    Rostock : Leibniz-Institut für Ostseeforschung Warnemünde (IOW)
    Details Availability
    Keywords: Forschungsbericht ; Unterwassertechnik ; Fernüberwachung ; Schwarmintelligenz
    Type of Medium: Online Resource
    Pages: 1 Online-Ressource (18 Seiten, 1,46 MB) , Illustrationen, Diagramme
    URL: https://edocs.tib.eu/files/e01fb17/884504700.pdf
    URL: https://doi.org/10.2314/GBV:884504700
    DOI: 10.2314/GBV:884504700
    Language: German
    Note: Förderkennzeichen BMWi 03SX348F. - Verbund-Nummer 01136925 , Autorin dem Berichtsblatt entnommen , Unterschiede zwischen dem gedruckten Dokument und der elektronischen Ressource können nicht ausgeschlossen werden , Zusammenfassung in deutscher und englischer Sprache
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  • 2
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    Chlorophyll a reconstruction from in situ measurements: 1. Method description (2015)
    AGU
    In:  Journal of Geophysical Research: Biogeosciences, 120 (2). pp. 237-245.
    Details
    Publication Date: 2020-07-23
    Description: Understanding the development of primary production is essential for projections of the global carbon cycle in the context of climate change. A chlorophyll a hindcast that serves as a primary production indicator was obtained by fitting in situ measurements of nitrate, chlorophyll a, and temperature. The resulting fitting functions were adapted to a modeled temperature field. The method was applied to observations from the Madeira Basin, in the northeastern part of the oligotrophic North Atlantic Subtropical Gyre and yielded a chlorophyll a field from 1989 to 2008 with a monthly resolution validated with remotely measured surface chlorophyll a data by SeaWiFS. The chlorophyll a hindcast determined with our method resolved the seasonal and interannual variability in the phytoplankton biomass of the euphotic zone as well as the deep chlorophyll maximum. Moreover, it will allow estimation of carbon uptake over long time scales.
    Type: Article , PeerReviewed
    Format: text
    DOI: 10.1002/2014JG002691
    Location Call Number Limitation Availability
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    OceanRep: Article in a Scientific Journal - peer-reviewed
  • 3
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    R.V. Poseidon Cruise Report POS485 (2015)
    IOW
    In:  IOW, Warnemünde, Germany, 19 pp.
    Details
    Publication Date: 2016-06-17
    Description: Dates of Cruise: from 13.05.2015 to 30.05.2015 Areas of Research: Biogeochemistry, Physical Oceanography, Maritime Technology Port Calls: Malaga (Spain), Ponta Delgada (Portugal)
    Type: Report , NonPeerReviewed
    Format: text
    Format: text
    DOI: 10.3289/CR_POS485
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    OceanRep: Report - Cruise Report
  • 4
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    Cruise Report R.V. Poseidon Cruise No.: POS501 (2016)
    IOW
    In:  IOW, Warnemünde, Germany, 17 pp.
    Details
    Publication Date: 2016-11-24
    Description: Dates of Cruise: from 13.06.2016 to 01.07.2016 Areas of Research: Biogeochemistry, Physical Oceanography, Maritime Technology Port Calls: Malaga (Spain), Ponta Delgada (Portugal)
    Type: Report , NonPeerReviewed
    Format: text
    DOI: 10.3289/CR_POS_501
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    OceanRep: Report - Cruise Report
  • 5
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    2. Wochenbericht POS521 (2018)
    Leibniz Institut für Ostseeforschung Warnemünde
    In:  Leibniz Institut für Ostseeforschung Warnemünde, Rostock, Germany, 1 pp.
    Details
    Publication Date: 2018-04-03
    Description: Las Palmas - Malaga (19.03-25.03.2018)
    Type: Report , NonPeerReviewed
    Format: text
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    OceanRep: Report - Weekly report
  • 6
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    Report on surveys for staff training sessions (2019)
    Baltic Gender Coordination Office
    In:  Baltic Gender Deliverable, D1.5 . Baltic Gender Coordination Office, Kiel, Germany, 48 pp.
    Details
    Publication Date: 2019-11-22
    Type: Report , NonPeerReviewed , info:eu-repo/semantics/book
    Format: text
    Location Call Number Limitation Availability
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    OceanRep: Report - other report
  • 7
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    Trajectories of sinking particles and the catchment areas above sediment traps in the northeast Atlantic (2000)
    Sears Foundation of Marine Research
    In:  Journal of Marine Research, 58 (6). pp. 983-1006.
    Details
    Publication Date: 2017-11-28
    Description: A Lagrangian analysis of particles sinking through a velocity field observed by Eulerian frame measurements was used to evaluate the effects of horizontal advection and particle sinking speed on particle fluxes as measured by moored sediment traps. Characteristics of the statistical funnel above moored deep-ocean sediment traps at the German JGOFS quasi-time series station at 47N, 20W (Biotrans site) were determined. The analysis suggests that the distance and direction between a given sediment trap and the region at the surface where the particles were produced depends on the mean sinking velocity of the particles, the horizontal velocity field above the trap and the deployment depth of the trap. Traps moored at different depths at a given mooring site can collect particles originating from different, separated regions at the surface ocean. Catchment areas for a given trap vary between different years. Typical distances between catchment areas of traps from different water depth but for a given time period (e.g., the spring season) are similar or even larger compared to typical length scales of mesoscale variability of phytoplankton biomass observed in the temperate northeast Atlantic. This implies that particles sampled at a certain time at different depth horizons may originate from completely independent epipelagic systems. Furthermore catchment areas move with time according to changes in the horizontal flow field which jeopardizes the common treatment of interpreting a series of particle flux measurements as a simple time series. The results presented in this work demonstrate that the knowledge of the temporal and spatial variability of the velocity field above deep-ocean sediment traps is of great importance to the interpretation of particle flux measurements. Therefore, the one-dimensional interpretation of particle flux observations should be taken with care.
    Type: Article , PeerReviewed
    Format: text
    DOI: 10.1357/002224000763485773
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    OceanRep: Article in a Scientific Journal - peer-reviewed
  • 8
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    Chlorophyll a reconstruction from in situ measurements: 2. Marked carbon uptake decrease in the last century (2015)
    AGU
    In:  Journal of Geophysical Research: Biogeosciences, 120 (2). pp. 246-253.
    Details
    Publication Date: 2020-07-23
    Description: A chlorophyll a hindcast in the Madeira Basin from 1871 to 2008 was used to analyze the long-term variability in the oligotrophic, subtropical gyres in relation to the climate change of the last century. The deep chlorophyll maximum (DCM), as dominant pattern of the chlorophyll a field, showed a fast decrease in its strength in the 1940s. An absolute minimum was reached between 1967 and 1973 when no DCM established with a recovering to the end of the time series. Long-term variability of the DCM was related to the North Atlantic Oscillation with a time delay of 9 years. The marked decrease in the 1940s was correlated to the drop of the solar radiation in transition from early brightening to global dimming. Caused by the influence of the solar radiation and maybe related to increasing global temperatures in the last century, the integrated chlorophyll a concentration decreased by about 0.7 mg m−2 in 2008 compared to 1871. The high-resolved chlorophyll a hindcast allowed an estimation of the carbon uptake by the ocean due to primary production in the euphotic zone. A rough calculation over the area of the global subtropical oceans showed 700 megaton less carbon uptake in 2008.
    Type: Article , PeerReviewed
    Format: text
    DOI: 10.1002/2014JG002692
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    OceanRep: Article in a Scientific Journal - peer-reviewed
  • 9
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    1. Wochenbericht POS521 (2018)
    Leibniz Institut für Ostseeforschung Warnemünde
    In:  Leibniz Institut für Ostseeforschung Warnemünde, Rostock, Germany, 1 pp.
    Details
    Publication Date: 2018-03-23
    Description: Las Palmas - Malaga (11.03-18.03.2018)
    Type: Report , NonPeerReviewed
    Format: text
    Location Call Number Limitation Availability
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    OceanRep: Report - Weekly report
  • 10
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    Baltic Consortium on Promoting Gender Equality in Marine Research Organisations (Baltic Gender) (2017)
    In:  [Talk] In: EGU General Assembly 2017, 23.-28.04.2017, Vienna, Austria .
    Details
    Publication Date: 2017-06-26
    Type: Conference or Workshop Item , NonPeerReviewed
    Format: text
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    OceanRep: Talk
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