# ALBERT

## All Library Books, journals and Electronic Records Telegrafenberg

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• 1
Monograph available for loan
Call number: M 92.0092
Type of Medium: Monograph available for loan
Pages: 111, VIII S.
Classification: A.0.7.
Location: Upper compact magazine
Branch Library: GFZ Library
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• 2
Monograph available for loan
Berlin [u.a.] : Springer
Call number: PIK N 455-99-0343 ; AWI A3-00-0208
Type of Medium: Monograph available for loan
Pages: XII, 352 S.
ISBN: 3540650334
Series Statement: GKSS School of Environmental Research
Branch Library: PIK Library
Branch Library: AWI Library
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• 3
Monograph available for loan
Berlin [u.a.] : Springer-Verlag
Call number: PIK N 455-01-0368
Type of Medium: Monograph available for loan
Pages: 236 p.
ISBN: 354067862X
Series Statement: GKSS School of Environmental Research ;
Branch Library: PIK Library
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• 4
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Elsevier
In:  Progress in Oceanography, 171 . pp. 231-250.
Publication Date: 2019-01-08
Description: A central aspect of coastal biogeochemistry is to determine how nutrients, lithogenic- and organic matter are distributed and transformed within coastal and estuarine environments. Analyses of the spatio-temporal changes of total suspended matter (TSM) concentration indicate strong and variable linkages between intertidal fringes and pelagic regions. In particular, knowledge about the organic fraction of TSM provides insight to how biogenic and lithogenic particulate matter are distributed in suspension. In our study we take advantage of a set of over 3000 in situ Loss on Ignition (LoI) data from the Southern North Sea that represent fractions of particulate organic matter (POM) relative to TSM (LoI $\equiv$ POM:TSM). We introduce a parameterization (POM-TSM model) that distinguishes between two POM fractions incorporated in TSM. One fraction is described in association with mineral particles. The other represents a seasonally varying fresh pool of POM. The performance of the POM-TSM model is tested against data derived from MERIS/ENVISAT-TSM products of the German Bight. Our analysis of remote sensing data exhibits specific qualitative features of TSM that can be attributed to distinct coastal zones. Most interestingly, a transition zone between the Wadden Sea and seasonally stratified regions of the Southern North Sea is identified where mineral associated POM appears in concentrations comparable to those of freshly produced POM. We will discuss how this transition is indicative for a zone of effective particle interaction and sedimentation.The dimension of this transition zone varies between seasons and with location. Our proposed POM-TSM model is generic and can be calibrated against in situ data of other coastal regions.
Type: Article , PeerReviewed
Format: text
Format: text
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• 5
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PANGAEA
In:  Helmholtz-Zentrum Geesthacht Centre for Materials and Coastal Research
Publication Date: 2019-02-13
Description: This dataset comprises results from filter weights of more than 5000 water samples taken during numerous field surveys between 1998 and 2017 in the Odra Lagoon (German Baltic Sea coast), several parts of the German Wadden Sea, the Exclusive Economic Zone of Germany in the German Bight (Southern North Sea), the Limfjorden (Denmark), the Oosterschelde (The Netherlands) and the Ria de Vigo (Spain). From the filter weights and filtered water volumes the suspended particulate matter concentrations (SPMC) and, in most cases, the fractions of organic matter were determined by combustion of the loaded filters (Loss on Ignition - LoI). Over the years, the laboratory methods and the type of filter (Whatman GF/C glass fibre filter, 47 mm diameter) were kept identical, but the sampling methods were adapted to technical demands, to the specific conditions of the sampling areas and to novel methodological insight. The samples had to undergo a number of quality checks regarding sampling time and co-ordinates and all laboratory processing steps. Depending on which test they passed they were assigned two types of quality flags, for (1) space and time information and (2) for the sample itself. They range from 1 ("good": all tests passed) to 4 ("bad and not correctable"); further, 9 is assigned for cases with missing information of time, latitude/longitude or water pressure. Further, the filter weights were corrected for filter offsets and - when Loss on Ignition was also determined - for losses of structural water.
Type: Dataset
Format: text/tab-separated-values, 97537 data points
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• 6
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PANGAEA
In:  Helmholtz-Zentrum Geesthacht Centre for Materials and Coastal Research
Publication Date: 2019-02-13
Type: Dataset
Format: text/tab-separated-values, 5199 data points
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• 7
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Springer
In:  Geo-Marine Letters, 37 (2). pp. 179-192.
Publication Date: 2019-02-01
Description: Estuary-type circulation is a residual circulation in coastal systems with horizontal density gradients. It drives the accumulation of suspended particulate matter in coastal embayments where density gradients are sustained by some freshwater inflow from rivers. Ebenhöh et al. (Ecol Model 174(3):241–252, 2004) found that shallow water depth can explain nutrient gradients becoming established towards the coast even in the absence of river inflow. The present study follows their concept and investigates the characteristic transport of organic matter towards the coast based on idealised scenarios whereby an estuary-type circulation is maintained by surface freshwater fluxes and pronounced shoaling towards the coast. A coupled hydrodynamical and biogeochemical model is used to simulate the dynamics of nutrient gradients and to derive budgets of organic matter flux for a coastal transect. Horizontal nutrient gradients are considered only in terms of tidal asymmetries of suspended matter transport. The results show that the accumulation of organic matter near the coast is not only highly sensitive to variations in the sinking velocity of suspended matter but is also noticeably enhanced by an increase in precipitation. This scenario is comparable with North Sea conditions. By contrast, horizontal nutrient gradients would be reversed in the case of evaporation-dominated inverse estuaries (cf. reverse gradients of nutrient and organic matter concentrations). Credible coastal nutrient budget calculations are required for resolving trends in eutrophication. For tidal systems, the present results suggest that these calculations require an explicit consideration of freshwater flux and asymmetries in tidal mixing. In the present case, the nutrient budget for the vertically mixed zone also indicates carbon pumping from the shelf sea towards the coast from as far offshore as 25 km.
Type: Article , PeerReviewed
Format: text
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• 8
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PANGAEA
Publication Date: 2012-04-13
Repository Name: EPIC Alfred Wegener Institut
Type: PANGAEA Documentation , NonPeerReviewed
Format: application/pdf
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• 9
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American Meteorological Society
Publication Date: 2008-03-01
Print ISSN: 0022-3670
Electronic ISSN: 1520-0485
Topics: Geosciences , Physics
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• 10
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