GLORIA — GEOMAR Library Ocean Research Information Access

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Online-Ressource

Verbundprojekt SMIS - Subsea monitoring via intelligent swarms : TP Seeerprobungen und wissenschaftliche Anwendungen : Schlussbericht (2016)

Waniek, Joanna J. [VerfasserIn] 1964-

Rostock : Leibniz-Institut für Ostseeforschung Warnemünde (IOW)

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Schlagwort(e): Forschungsbericht ; Unterwassertechnik ; Fernüberwachung ; Schwarmintelligenz

Materialart: Online-Ressource

Seiten: 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

Sprache: Deutsch

Anmerkung: 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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Schlussbericht des Verbundprojektes SO269-SOCLIS-SONNE : Berichtszeitraum 01.04.2019 bis 31.08.2021 (2022)

Waniek, Joanna J. [VerfasserIn] 1964-

Rostock : Leibniz-Institut für Ostseeforschung Warnemünde (IOW)

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Schlagwort(e): Forschungsbericht ; Südchinesisches Meer ; Perlfluss ; Delta ; Megastadt ; Schadstoffbelastung ; Eutrophierung

Materialart: Online-Ressource

Seiten: 1 Online-Ressource (85 Seiten, 7,50 MB) , Illustrationen, Diagramme, Karten

URL: https://doi.org/10.2314/KXP:184101625X

DOI: 10.2314/KXP:184101625X

Sprache: Deutsch , Englisch

Anmerkung: Förderkennzeichen BMBF 03G0269A , Verbundnummer 01184657 , Unterschiede zwischen dem gedruckten Dokument und der elektronischen Ressource können nicht ausgeschlossen werden , Sprache der Kurzfassugen: Deutsch, Englisch

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Co-designing a multidisciplinary deep-ocean observing programme at the Mid-Atlantic Ridge in the Azores region: a blueprint for synergy in deep ocean research and conservation (2022)

Pachiadaki, Maria ; Janssen, Felix ; Carreiro-Silva, Marina ; [weitere]

Oxford University Press (OUP)

In: EPIC3ICES Journal of Marine Science, Oxford University Press (OUP), 80(2), pp. 352-354, ISSN: 1054-3139

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Publikationsdatum: 2024-04-17

Repository-Name: EPIC Alfred Wegener Institut

Materialart: Article , isiRev

Format: application/pdf

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ARTIKEL (OA)

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4

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Phytoplankton growth conditions during autumn and winter in the Irminger Sea, North Atlantic (2007)

Ward, B. A. ; Waniek, Joanna J.

Inter Research

In: Marine Ecology Progress Series, 334 . pp. 47-61.

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Publikationsdatum: 2015-09-22

Beschreibung: Physical and chemical properties of the water column, along with meteorological conditions were examined for their relationship with phytoplankton biomass in the Irminger Sea during late autumn and early winter. Data were collected during 2 cruises to the region in November and December 2001 and November 2002. Phytoplankton biomass was approximated by (chl a) concentrations within the water column. When examined during autumn and winter alone, the Irminger Sea was suitably described as one biogeochemical region responding to varying meteorological forcing. Hydrographic differences within the region were not observed to have a significant effect on phytoplankton growth during this period. Strong correlations with latitude were seen in chl a concentrations, physical conditions (including mixed layer depth) and meteorological forcing (including net heat flux). Variability in autumn/winter phytoplankton growth conditions appears to be driven by light limitation modulated by meteorological forcing. The temporal and spatial scales of locations sampled in 2001 represent a progression in the physical and biological conditions from late autumn to early winter. Along this ‘virtual transect’, a baseline value of approximately 0.1 mg m–3 is seen in the mean chl a concentrations within the mixed layer. We postulate that convection provides a mechanism for reduction of net losses of phytoplankton, by helping to keep phytoplankton within the mixed layer. Under such conditions, a deeper and therefore more accurate estimation of the critical depth would be valid. Evidence of the extended maintenance of phytoplankton within the mixed layer is presented in the form of the relative dominances of different phytoplankton groups.

Materialart: Article , PeerReviewed

Format: text

DOI: 10.3354/meps334047

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Freshwater control of onset and species composition of Greenland shelf spring bloom (2005)

Waniek, Joanna J. ; Holliday, N. P. ; Davidson, R. ; [weitere]

Inter Research

In: Marine Ecology Progress Series, 288 . pp. 45-57.

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Publikationsdatum: 2015-09-22

Beschreibung: The relationship between physical properties of the water column and spatial patchiness of phytoplankton spring bloom development on the Greenland shelf edge and in the Irminger Sea was investigated using data collected during a spring cruise (April and May 2002). The observations confirm a strong relationship between the onset and stage of bloom development and the stratification induced by freshwater input to the surface layer in the shelf region. Interestingly, at the shelf, in the region influenced by melting of the seasonal ice-cover, the vertical distribution of chlorophyll a showed a subsurface maximum at ca. 25 m depth at several stations. Since nutrients were not exhausted at these stations, such a pattern does not conform to the general picture of a spring bloom. In contrast, in the open ocean part of the Irminger Sea pre-bloom conditions and a retarded development of the phytoplankton population were observed with low, more uniform distribution of chlorophyll a. The nitrate drawdown was estimated at between 16.5 and 270 µm m–2 (mean 108.6 ± 82.2 µm m–2) and the new primary production was estimated to be between 1.3 and 21.4 g C m–2 (8.6 ± 6.5 g C m–2), corresponding to 0.42 g C m–2 d–1. The phytoplankton community in the melting ice zone consisted of Phaeocystis sp., small flagellates (〈 4 µm) and picoplankton, while diatoms were less abundant. Phaeocystis sp. contributed up to 15 g C m–2 to the carbon biomass (70% of total carbon measured), whereas the contribution of diatoms and flagellates to carbon biomass was relatively low, with up to 1.2 g C m–2 (5.7%) and up to 2.5 g C m–2 (11.7%), respectively. On the shelf the bloom starts at the very beginning of stabilisation (elevated N2 values) which results solely from the release of meltwater. The locally restricted water stability leads to a patchy phytoplankton distribution in the Irminger Sea.

Materialart: Article , PeerReviewed

Format: text

DOI: 10.3354/meps288045

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Cruise report RV Poseidon Cruise No. 383 [POS383], from 20.04.2009 to 04.05.2009, Ponta Delgad (Acores) - Funchal (Madeira) (2009)

Waniek, Joanna

Leibniz Institut für Ostseeforschung Warnemünde

In: Leibniz Institut für Ostseeforschung Warnemünde, Rostock, Germany, 27 pp.

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Publikationsdatum: 2015-02-17

Beschreibung: Biogeochemical properties of the upper water column in the Madeira Basin especially within the Azores Front

Materialart: Report , NonPeerReviewed

Format: text

DOI: 10.2312/cr_po383

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Cruise report RV Poseidon Cruise No. 459 [POS459], from 18.09.2013 to 02.10.2013, Vigo (Spain) - Funchal (Portugal) (2013)

Waniek, Joanna

Leibniz Institut für Ostseeforschung Warnemünde

In: Leibniz Institut für Ostseeforschung Warnemünde, Rostock, Germany, 24 pp.

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Publikationsdatum: 2015-02-13

Beschreibung: Trials of pressure neutral system (DNS) within the Azores frontal region.

Materialart: Report , NonPeerReviewed

Format: text

DOI: 10.2312/cr_po459

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Cruise Report R.V. Poseidon Cruise No.: 404 [POS404] (2010)

Waniek, Joanna

IOW

In: IOW, Warnemünde, Germany, 15 pp.

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Publikationsdatum: 2015-02-17

Beschreibung: Dates of Cruise: from 02.09.2010 to 15.09.2010 Areas of Research: Physical Oceanography, Engineering Port Calls: Ponta Delgad (Acores), Funchal (Madeira)

Materialart: Report , NonPeerReviewed

Format: text

DOI: 10.3289/CR_POS404

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