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  • 1
    Online Resource
    Online Resource
    Schlussbericht zum Verbundprojekt: Plasmareinigung von Oberflächen kombiniert mit Laserablation und-Modifikation : PROKLAMO ; Darstellung des Teilvorhabens ; Laufzeit des Vorhabens und Berichtszeitraum: 01.07.2007 bis 30.09.2010 (2011)
    Clausthal : Institut für Physik u. Physikalische Technik, Techn. Univ.,
    Details Availability
    Keywords: Forschungsbericht
    Type of Medium: Online Resource
    Pages: Online-Ressource (33 S., 706 KB) , Ill., graph. Darst.
    URL: https://edocs.tib.eu/files/e01fb11/671437410.pdf
    URL: https://doi.org/10.2314/GBV:671437410
    URL: https://edocs.tib.eu/files/e01fb11/671437410l.pdf
    DOI: 10.2314/GBV:671437410
    Language: German
    Note: Förderkennzeichen BMWi 16IN0506. - Verbund-Nr. 01056372 , Unterschiede zwischen dem gedruckten Dokument und der elektronischen Ressource können nicht ausgeschlossen werden , Auch als gedr. Ausg. vorhanden , Systemvoraussetzungen: Acrobat reader.
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  • 2
    Electronic Resource
    Electronic Resource
    Studies of sea surface temperatures in selected northern Norwegian fjords using Landsat TM data (1994)
    Oxford, UK : Blackwell Publishing Ltd
    Polar research 13 (1994), S. 0 
    Details
    ISSN: 1751-8369
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geography , Geosciences
    Notes: Remote sensing is evaluated as a tool for studying oceanographic phenomena. Data from the infrared channel of Thematic Mapper onboard Landsat 5 were used to map the spatial distribution of sea surface temperatures in selected fjords in northern Norway. Sea surface temperature charts provided clear indications of surface current patterns, upwellings, convergences, etc. The complex pattern of currents found in fjords is, to varying degrees, affected by tides and fresh water run-off, as well as by hydrographic, meteorological and topographical conditions. In northern Norway the surface circulation is strongly influenced by inland cold air flows during prolonged periods of cold weather.This study demonstrates that remotely sensed data can be used as an important supplement to traditional hydrographical and meteorological observations in order to understand the distribution of temperatures and circulation patterns in the surface layers of fjords and coastal waters.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1751-8369.1994.tb00440.x
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Some macrofaunal effects of local pollution and glacier-induced sedimentation, with indicative chemical analyses, in the sediments of two Arctic fjords (1996)
    Springer
    Polar biology 16 (1996), S. 549-557 
    Details
    ISSN: 1432-2056
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Macrofaunal (〉1 mm) and chemical sediment sampling was carried out in August 1992 close to the garbage dumping sites of the coal-mining industrialised settlements Longyearbyen (Adventfjord) and Barentsburg (Grønfjord), located in the Isfjord system, Svalbard. Six stations were sampled with respect to chemical parameters and fauna, while three stations were sampled with respect to only chemical parameters that comprised total organic carbon, total nitrogen, heavy metals (Hg, Cd, Pb, Cu), polycyclic aromatic hydrocarbons (PAH) and chlorinated hydrocarbons (5-CB, HCB, γ-HCH, DDT, PCB7). The concentrations of PCB7, PAH and HCB were, respectively, up to 5, 16 and 30 times higher than assumed background concentrations, presumably as a result of terrestrial water drainage of coal particles originating from local coal-stores and industrial activities in general. The faunal diversities across the sampled areas were relatively low (e.g. Shannon-Wiener indices between 2.0 and 3.2), probably mainly as a result of glacier-induced fine-particulated inorganic impacts. A relatively high faunal abundance, and a quantitative dominance of the opportunistic polychaete taxaCapitella capitata and Chaetozone/Tharyx sp. in the Adventfjord indicated an additional source of perturbation, which was related to the untreated local sewage effluents and/or drainage water from the garbage dumping sites.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02329051
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Some macrofaunal effects of local pollution and glacier-induced sedimentation, with indicative chemical analyses, in the sediments of two Arctic fjords (1996)
    Springer
    Polar biology 16 (1996), S. 549-557 
    Details
    ISSN: 1432-2056
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract  Macrofaunal (〉1 mm) and chemical sediment sampling was carried out in August 1992 close to the garbage dumping sites of the coal-mining industrialised settlements Longyearbyen (Adventfjord) and Barentsburg (Grønfjord), located in the Isfjord system, Svalbard. Six stations were sampled with respect to chemical parameters and fauna, while three stations were sampled with respect to only chemical parameters that comprised total organic carbon, total nitrogen, heavy metals (Hg, Cd, Pb, Cu), polycyclic aromatic hydrocarbons (PAH) and chlorinated hydrocarbons (5-CB, HCB, γ-HCH, DDT, PCB7). The concentrations of PCB7, PAH and HCB were, respectively, up to 5, 16 and 30 times higher than assumed background concentrations, presumably as a result of terrestrial water drainage of coal particles originating from local coal-stores and industrial activities in general. The faunal diversities across the sampled areas were relatively low (e.g. Shannon-Wiener indices between 2.0 and 3.2), probably mainly as a result of glacier-induced fine-particulated inorganic impacts. A relatively high faunal abundance, and a quantitative dominance of the opportunistic polychaete taxa Capitella capitata and Chaetozone/Tharyx sp. in the Adventfjord indicated an additional source of perturbation, which was related to the untreated local sewage effluents and/or drainage water from the garbage dumping sites.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003000050088
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Arsenic and other Trace Metals in Sediments from the Kara Sea and the Ob and Yenisey Estuaries, Russia (1998)
    Springer
    Aquatic geochemistry 4 (1998), S. 233-252 
    Details
    ISSN: 1573-1421
    Keywords: Arsenic ; trace metals ; sediments ; normalization ; diagenesis ; Kara Sea ; Ob estuary ; Yenisey estuary ; Russia
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Geosciences
    Notes: Abstract Major (Al and Fe), minor (Mn) andtrace (As, Cd, Co, Cr, Cu, Hg, Li, Mo, Ni, Pb, Sb, Vand Zn) metals along with material of grain size〈63 μm, TOC and TN have been determined insediment grab and core samples from the Kara Sea, andthe Ob and Yenisey estuaries, Russia. Surprisingly,the levels of trace metals, with the exception of As,were much lower than was anticipated from speculativereports of extensive contamination in the Arcticmarine areas adjacent to the Siberian coastline ofRussia. Lithium normalization indicates that theabundance and distribution of the metals, with theexception of As and Mo, are controlled by theaccumulation of their fine grained aluminosilicatehost minerals at sites determined by hydrodynamicconditions in the Kara Sea and in the estuaries. Metallevels in the Kara Sea and the Ob and Yeniseyestuaries, except for some anomalous As, Cu and Nivalues, are close to natural baseline levels of otherEurasian Arctic shelf sediments. High levels of As,however, occur in surface and subsurface sediments.The accumulation of As, as well as Mo, can beattributed to the post-depositional diagenetic effectsof Fe-Mn cycling both at and near the sediment waterinterface. Subsurface As and Fe maxima and minimasuggest alternating oxic and anoxic water conditionsduring post-glacial rises in sea level. In contrast tothe results from the adjacent Pechora Sea, in the KaraSea there is no correlation between the levels of Asand radionuclides in the sediments.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1009691314353
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  • 6
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    Assessing evidence for random assembly of marine benthic communities from regional species pools (2009)
    Inter Research
    In:  Marine Ecology Progress Series, 382 . pp. 279-286.
    Details
    Publication Date: 2018-06-01
    Type: Article , PeerReviewed
    Format: text
    Format: text
    DOI: 10.3354/meps07934
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    OceanRep: Article in a Scientific Journal - peer-reviewed
  • 7
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    Polycyclic aromatic hydrocarbons (PAHs) in Norwegian and Russian Arctic marine sediments: concentrations, geographical distribution and sources (2006)
    Tapir Acac. Press
    In:  Norwegian Journal of Geology . pp. 41-50.
    Details
    Publication Date: 2016-04-11
    Description: Polycyclic aromatic hydrocarbons (PAHs) are key contaminants of concern under the Arctic Environmental Monitoring Programme (AMAP) due to their carcinogenic potential. The concentration of the different PAH components may be connected to the geochemical background of the sediments, including leakage and erosion of fossil carbon, as well as epigenetic processes such as decaying peat. In other cases there is a human influence connected to petroleum spills or combustion of fossil fuel or other human activities. The overall goal of this study was to identify and analyze existing comparable datasets on PAHs from Norwegian and Russian arctic shelves, and use the concentration and composition of PAH components in the selected datasets to assess baseline concentration of PAH, geographical anomalies and sources and routes of transport, as well as the human impact. PAHs in 330 samples of surface sediment from the Barents and Kara Sea shelves, collected during the period 1991-1998, have been selected for the study. In the Southwest Barents Sea the nature of PAHs is formed by a complex sedimentation regime made up of inflowing Atlantic and North Sea water, coastal discharges, coastal abrasion and atmospheric transport. The PAHs basically correspond to background compositions with a low but notable anthropogenic influence. In the Northern Barents Sea both concentration and composition of PAHs are genetically (genesis, conditions and level of transformation) connected with eroded sediment material from the Spitsbergen and Franz Josef Land archipelagos. The relative high PAH levels observed off Spitsbergen thus generally may have a non- anthropogenic explanation. In the central part of the Barents Sea the PAH levels in the deep-water bottom sediments are generally low, non-anthropogenic in origin, and determined by endogenous processes. Erosion and re-deposition of Novaya Zemlya strata do not have a significant influence on PAH composition in this part of the Barents Sea. In the Southeast Barents Sea (Pechora Sea) the PAH composition corresponds, in general, well with the PAH allocation in the Barents Sea. However, the terrigenous influence is stronger. The PAH composition exhibits both epigenetic processes (such as the high level of perylene which most probably is derived from decaying peat) and the presence of petrogenic PAH. The latter findings may be due to the influx of rivers draining oil-rich onshore territories. In estuaries and offshore the Kara Sea the PAH composition of bottom sediments reflects the significant influence of river run-off (with the same patterns as in the Pechora Sea), but also atmospheric transport of combustion derived PAHs, most probably from the smelters in Norilsk.
    Type: Article , PeerReviewed
    Format: text
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  • 8
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    Biological geography of the European seas: results from the MacroBen database (2009)
    Inter Research
    In:  Marine Ecology Progress Series, 382 . pp. 265-278.
    Details
    Publication Date: 2018-06-01
    Description: This study examines whether or not biogeographical and/or managerial divisions across the European seas can be validated using soft-bottom macrobenthic community data. The faunal groups used were: all macrobenthos groups, polychaetes, molluscs, crustaceans, echinoderms, sipunculans and the last 5 groups combined. In order to test the discriminating power of these groups, 3 criteria were used: (1) proximity, which refers to the expected closer faunal resemblance of adjacent areas relative to more distant ones; (2) randomness, which in the present context is a measure of the degree to which the inventories of the various sectors, provinces or regions may in each case be considered as a random sample of the inventory of the next largest province or region in a hierarchy of geographic scales; and (3) differentiation, which provides a measure of the uniqueness of the pattern. Results show that only polychaetes fulfill all 3 criteria and that the only marine biogeographic system supported by the analyses is the one proposed by Longhurst (1998). Energy fluxes and other interactions between the planktonic and benthic domains, acting over evolutionary time scales, can be associated with the multivariate pattern derived from the macrobenthos datasets. Third-stage multidimensional scaling ordination reveals that polychaetes produce a unique pattern when all systems are under consideration. Average island distance from the nearest coast, number of islands and the island surface area were the geographic variables best correlated with the community patterns produced by polychaetes. Biogeographic patterns suggest a vicariance model dominating over the founder-dispersal model except for the semi-closed regional seas, where a model substantially modified from the second option could be supported.
    Type: Article , PeerReviewed
    Format: text
    Format: text
    DOI: 10.3354/meps07955
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    OceanRep: Article in a Scientific Journal - peer-reviewed
  • 9
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    Data integration for European marine biodiversity research: creating a database on benthos and plankton to study large-scale patterns and long-term changes (2010)
    Springer
    In:  Hydrobiologia, 644 (1). pp. 1-13.
    Details
    Publication Date: 2019-09-23
    Description: The general aim of setting up a central database on benthos and plankton was to integrate long-, medium- and short-term datasets on marine biodiversity. Such a database makes it possible to analyse species assemblages and their changes on spatial and temporal scales across Europe. Data collation lasted from early 2007 until August 2008, during which 67 datasets were collected covering three divergent habitats (rocky shores, soft bottoms and the pelagic environment). The database contains a total of 4,525 distinct taxa, 17,117 unique sampling locations and over 45,500 collected samples, representing almost 542,000 distribution records. The database geographically covers the North Sea (221,452 distribution records), the North-East Atlantic (98,796 distribution records) and furthermore the Baltic Sea, the Arctic and the Mediterranean. Data from 1858 to 2008 are presented in the database, with the longest time-series from the Baltic Sea soft bottom benthos. Each delivered dataset was subjected to certain quality control procedures, especially on the level of taxonomy. The standardisation procedure enables pan-European analyses without the hazard of taxonomic artefacts resulting from different determination skills. A case study on rocky shore and pelagic data in different geographical regions shows a general overestimation of biodiversity when making use of data before quality control compared to the same estimations after quality control. These results prove that the contribution of a misspelled name or the use of an obsolete synonym is comparable to the introduction of a rare species, having adverse effects on further diversity calculations. The quality checked data source is now ready to test geographical and temporal hypotheses on a large scale.
    Type: Article , PeerReviewed
    Format: text
    Format: text
    DOI: 10.1007/s10750-010-0108-z
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    OceanRep: Article in a Scientific Journal - peer-reviewed
  • 10
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    MacroBen integrated database on benthic invertebrates of European continental shelves: a tool for large-scale analysis across Europe (2009)
    Inter Research
    In:  Marine Ecology Progress Series, 382 . pp. 225-238.
    Details
    Publication Date: 2018-06-01
    Description: We describe an integrated database on European macrobenthic fauna, developed within the framework of the European Network of Excellence MarBEF, and the data and data integration exercise that provided its content. A total of 44 datasets including 465354 distribution records from soft-bottom macrobenthic species were uploaded into the relational MacroBen database, corresponding to 22897 sampled stations from all European seas, and 7203 valid taxa. All taxonomic names were linked to the European Register of Marine Species, which was used as the taxonomic reference to standardise spelling and harmonise synonymy. An interface was created, allowing the user to explore, subselect, export and analyse the data by calculating different indices. Although the sampling techniques and intended use of the datasets varied tremendously, the integrated database proved to be robust, and an important tool for studying and understanding large-scale long-term distributions and abundances of marine benthic life. Crucial in the process was the willingness and the positive data-sharing attitude of the different data contributors. Development of a data policy that is highly aware of sensitivities and ownership issues of data providers was essential in the creation of this goodwill.
    Type: Article , PeerReviewed
    Format: text
    DOI: 10.3354/meps07826
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