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  • 1
    Series available for loan
    Series available for loan
    Stratigraphy, sedimentology, and provenance of the Ragin River Formation (early ? and middle Eocene ), King County, Washington (1994)
    Washington, DC : United States Gov. Print. Off.
    Associated volumes
    Details Availability
    Call number: SR 90.0001(2085-A)
    In: U.S. Geological Survey bulletin
    Type of Medium: Series available for loan
    Pages: IV, A-33 S.
    Series Statement: U.S. Geological Survey bulletin 2085-A
    Language: English
    Location: Lower compact magazine
    Branch Library: GFZ Library
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    BOOK
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  • 2
    Monograph available for loan
    Monograph available for loan
    An Introduction to Transfer Entropy : Information Flow in Complex Systems (2016)
    Cham : Springer International Publishing
    Details
    Call number: PIK M 039-17-90409
    Description / Table of Contents: This book considers a relatively new metric in complex systems, transfer entropy, derived from a series of measurements, usually a time series. After a qualitative introduction and a chapter that explains the key ideas from statistics required to understand the text, the authors then present information theory and transfer entropy in depth. A key feature of the approach is the authors' work to show the relationship between information flow and complexity. The later chapters demonstrate information transfer in canonical systems, and applications, for example in neuroscience and in finance. The book will be of value to advanced undergraduate and graduate students and researchers in the areas of computer science, neuroscience, physics, and engineering
    Type of Medium: Monograph available for loan
    Pages: XXIX, 190 Seiten , Illustrationen, Diagramme
    ISBN: 9783319432212 (print)
    Language: English
    Note: Introduction -- Statistical Preliminaries -- Information Theory -- Transfer Entropy -- Information Transfer in Canonical Systems -- Information Transfer in Financial Markets -- Miscellaneous Applications of Transfer Entropy -- Concluding Remarks
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    E-BOOK
  • 3
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    Hacking the Academy (2023)
    University of Michigan Press | Digitalculturebooks
    Details
    Publication Date: 2023-10-05
    Description: On May 21, 2010, Daniel J. Cohen and Tom Scheinfeldt posted the following provocative questions online: "Can an algorithm edit a journal? Can a library exist without books? Can students build and manage their own learning management platforms? Can a conference be held without a program? Can Twitter replace a scholarly society?" As recently as the mid-2000s, questions like these would have been unthinkable. But today serious scholars are asking whether the institutions of the academy as they have existed for decades, even centuries, aren't becoming obsolete. Every aspect of scholarly infrastructure is being questioned, and even more importantly, being hacked. Sympathetic scholars of traditionally disparate disciplines are canceling their association memberships and building their own networks on Facebook and Twitter. Journals are being compiled automatically from self-published blog posts. Newly minted PhDs are forgoing the tenure track for alternative academic careers that blur the lines between research, teaching, and service. Graduate students are looking beyond the categories of the traditional CV and building expansive professional identities and popular followings through social media. Educational technologists are "punking" established technology vendors by rolling out their own open source infrastructure. Here, in Hacking the Academy, Daniel J. Cohen and Tom Scheinfeldt have gathered a sampling of the answers to their initial questions from scores of engaged academics who care deeply about higher education. These are the responses from a wide array of scholars, presenting their thoughts and approaches with a vibrant intensity, as they explore and contribute to ongoing efforts to rebuild scholarly infrastructure for a new millennium.
    Keywords: Sociology ; Communication Studies ; Education ; Language & Literature ; bic Book Industry Communication::J Society & social sciences::JF Society & culture: general ; bic Book Industry Communication::J Society & social sciences::JF Society & culture: general::JFD Media studies ; bic Book Industry Communication::J Society & social sciences::JN Education::JNM Higher & further education, tertiary education ; bic Book Industry Communication::C Language::CB Language: reference & general::CBV Creative writing & creative writing guides
    Language: English
    Format: image/jpeg
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  • 4
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    (Table 2) Stable oxgen and carbon isotopic record of planktonic foraminifera from DSDP Hole 30-289
    PANGAEA
    In:  Supplement to: Gasperi, Joseph T; Kennett, James P (1993): Miocene planktonic foraminifers at DSDP Site 289: depth stratification using isotopic differences. In: Berger, WH; Kroenke, LW; Mayer, LA; et al. (eds.), Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 130, 323-332, https://doi.org/10.2973/odp.proc.sr.130.061.1993
    Details
    Publication Date: 2023-06-27
    Description: Oxygen and carbon isotopic data for 13 planktonic foraminifers from the Miocene of DSDP Site 289 strongly support the idea that the species have a preferred depth habitat and that their depth relationships remained largely unchanged during the Miocene. However, the relative depth rankings of Globorotalia (Menardella) menardii and Globorotalia (Menardella) limbata changed from deep to intermediate and from deep to shallow, respectively, during the late Miocene between ~9.9 and 7.5 Ma.
    Keywords: 30-289; AGE; Deep Sea Drilling Project; Dentoglobigerina altispira, δ13C; Dentoglobigerina altispira, δ18O; DEPTH, sediment/rock; DRILL; Drilling/drill rig; DSDP; DSDP/ODP/IODP sample designation; Globigerinoides immaturus, δ13C; Globigerinoides immaturus, δ18O; Globigerinoides obliquus, δ13C; Globigerinoides obliquus, δ18O; Globigerinoides sacculifer, δ13C; Globigerinoides sacculifer, δ18O; Globoquadrina baroemoenensis, δ13C; Globoquadrina baroemoenensis, δ18O; Globoquadrina dehiscens, δ13C; Globoquadrina dehiscens, δ18O; Globoquadrina venezuelana, δ13C; Globoquadrina venezuelana, δ18O; Globorotalia limbata dextral, δ13C; Globorotalia limbata dextral, δ18O; Globorotalia mayeri, δ13C; Globorotalia mayeri, δ18O; Globorotalia menardii, δ13C; Globorotalia menardii, δ18O; Globorotalia merotumida, δ13C; Globorotalia merotumida, δ18O; Globorotalia praemenardii, δ13C; Globorotalia praemenardii, δ18O; Globorotalia siakensis, δ13C; Globorotalia siakensis, δ18O; Glomar Challenger; Leg30; Mass spectrometer Finnigan MAT 251; Sample code/label; South Pacific/PLATEAU
    Type: Dataset
    Format: text/tab-separated-values, 610 data points
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  • 5
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    Dissolved Iron, Aluminium, and Dissolved Inorganic Phosphorus in the (Sub-)Tropical Atlantic Surface Ocean (2013)
    PANGAEA
    In:  Supplement to: Schlosser, Christian; Klar, Jessica K; Wake, Bronwyn D; Snow, Joseph T; Honey, David J; Woodward, E Malcolm S; Lohan, Maeve C; Achterberg, Eric Pieter; Moore, C Mark (2013): Seasonal ITCZ migration dynamically controls the location of the (sub)tropical Atlantic biogeochemical divide. Proceedings of the National Academy of Sciences of the United States of America, direct submission, https://doi.org/10.1073/pnas.1318670111
    Details
    Publication Date: 2023-07-08
    Description: Inorganic nitrogen depletion restricts productivity in much of the low-latitude oceans, generating a selective advantage for diazotrophic organisms capable of fixing atmospheric dinitrogen (N2). However, the abundance and activity of diazotrophs can in turn be controlled by the availability of other potentially limiting nutrients, including phosphorus (P) and iron (Fe). Here we present high-resolution data (~0.3°) for dissolved iron, aluminum, and inorganic phosphorus that confirm the existence of a sharp north-south biogeochemical boundary in the surface nutrient concentrations of the (sub)tropical Atlantic Ocean. Combining satellite-based precipitation data with results from a previous study, we here demonstrate that wet deposition in the region of the intertropical convergence zone acts as the major dissolved iron source to surface waters. Moreover, corresponding observations of N2 fixation and the distribution of diazotrophic Trichodesmium spp. indicate that movement in the region of elevated dissolved iron as a result of the seasonal migration of the intertropical convergence zone drives a shift in the latitudinal distribution of diazotrophy and corresponding dissolved inorganic phosphorus depletion. These conclusions are consistent with the results of an idealized numerical model of the system. The boundary between the distinct biogeochemical systems of the (sub)tropical Atlantic thus appears to be defined by the diazotrophic response to spatial-temporal variability in external Fe inputs. Consequently, in addition to demonstrating a unique seasonal cycle forced by atmospheric nutrient inputs, we suggest that the underlying biogeochemical mechanisms would likely characterize the response of oligotrophic systems to altered environmental forcing over longer timescales.
    Keywords: Aluminium, dissolved; Aluminium, dissolved, standard deviation; Atlantic; Brown & Bruland (2008); D361; D361-track; DEPTH, water; Discovery (1962); Fish; GEOTRACES; Global marine biogeochemical cycles of trace elements and their isotopes; Iron, dissolved; Iron, dissolved, standard deviation; LATITUDE; LONGITUDE; Obata et al. (1993); Phosphorus, inorganic, dissolved; Zhang & Chi (2002)
    Type: Dataset
    Format: text/tab-separated-values, 1217 data points
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    DATA PANGAEA
  • 6
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    Demersal fish assemblages in the southeastern Weddell Sea (2019)
    PANGAEA
    In:  Supplement to: La Mesa, Mario; Piepenburg, Dieter; Pineda-Metz, Santiago E A; Riginella, Emilio; Eastman, Joseph T (2019): Spatial distribution and habitat preferences of demersal fish assemblages in the southeastern Weddell Sea (Southern Ocean). Polar Biology, https://doi.org/10.1007/s00300-019-02495-3
    Details
    Publication Date: 2023-11-14
    Description: Our knowledge on distribution, habitats and behavior of Southern Ocean fishes living at water depths beyond scuba-diving limits is still sparse, as it is difficult to obtain quantitative data on these aspects of their biology. Here, we report the results of an analysis of seabed images to investigate species composition, behavior, spatial distribution and preferred habitats of demersal fish assemblages in the southern Weddell Sea. Our study was based on a total of 2736 high-resolution images, covering a total seabed area of 11,317 m2, which were taken at 13 stations at water depths between 200 and 750 m. Fish were found in 380 images. A total of 379 notothenioid specimens were recorded, representing four families (Nototheniidae, Artedidraconidae, Bathydraconidae, Channichthyidae), 17 genera and 25 species. Nototheniidae was the most speciose family, including benthic species (Trematomus spp.) and the pelagic species Pleuragramma antarctica, which was occasionally recorded in dense shoals. Bathydraconids ranked second with six species, followed by artedidraconids and channichthyids, both with five species. Most abundant species were Trematomus scotti and T. lepidorhinus among nototheniids, and Dolloidraco longedorsalis and Pagetopsis maculatus among artedidraconids and channichthyids, respectively. Both T. lepidorhinus and P. maculatus preferred seabed habitats characterized by biogenous debris and rich epibenthic fauna, whereas T. scotti and D. longedorsalis were frequently seen resting on fine sediments and scattered gravel. Several fish species were recorded to make use of the three-dimensional structure formed by epibenthic foundation species, like sponges, for perching or hiding inside. Nesting behavior was observed, frequently in association with dropstones, in species from various families, including Channichthyidae (Chaenodraco wilsoni and Pagetopsis macropterus) and Bathydraconidae (Cygnodraco mawsoni).
    Keywords: Antarctic Thresholds - Ecosystem Resilience and Adaptation; AnT-ERA; ANT-XXXI/2 FROSN; Area; Area/locality; Author(s); Campaign of event; Class; DATE/TIME; DEPTH, water; Epithet; Event label; Family; Genus; Individuals; Investigator; Kingdom; LATITUDE; LONGITUDE; Method/Device of event; Method comment; Ocean Floor Observation System; OFOS; Order; Phylum; Polarstern; PS96; PS96/001-4; PS96/007-1; PS96/008-2; PS96/010-3; PS96/026-3; PS96/027-2; PS96/037-3; PS96/048-2; PS96/057-3; PS96/061-1; PS96/072-4; PS96/090-4; PS96/106-2; Rank; Reference/source; Registration number of species; Sample type; Scientific name; Uniform resource locator/link to image; Uniform resource locator/link to reference; Uniform resource locator/link to source data file; Weddell Sea
    Type: Dataset
    Format: text/tab-separated-values, 8355 data points
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    DATA PANGAEA
  • 7
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    Spatial distribution and habitat preferences of demersal fish assemblages in the southeastern Weddell Sea (Southern Ocean) (2019)
    Springer
    In:  EPIC3Polar Biology, Springer, ISSN: 0722-4060
    Details
    Publication Date: 2019-04-10
    Description: Our knowledge on distribution, habitats and behavior of Southern Ocean fishes living at water depths beyond scuba-diving limits is still sparse, as it is difficult to obtain quantitative data on these aspects of their biology. Here, we report the results of an analysis of seabed images to investigate species composition, behavior, spatial distribution and preferred habitats of demersal fish assemblages in the southern Weddell Sea. Our study was based on a total of 2736 high-resolution images, covering a total seabed area of 11,317 m2, which were taken at 13 stations at water depths between 200 and 750 m. Fish were found in 380 images. A total of 379 notothenioid specimens were recorded, representing four families (Nototheniidae, Artedidraconidae, Bathydraconidae, Channichthyidae), 17 genera and 25 species. Nototheniidae was the most speciose fam- ily, including benthic species (Trematomus spp.) and the pelagic species Pleuragramma antarctica, which was occasionally recorded in dense shoals. Bathydraconids ranked second with six species, followed by artedidraconids and channichthyids, both with five species. Most abundant species were Trematomus scotti and T. lepidorhinus among nototheniids, and Dol- loidraco longedorsalis and Pagetopsis maculatus among artedidraconids and channichthyids, respectively. Both T. lepi- dorhinus and P. maculatus preferred seabed habitats characterized by biogenous debris and rich epibenthic fauna, whereas T. scotti and D. longedorsalis were frequently seen resting on fine sediments and scattered gravel. Several fish species were recorded to make use of the three-dimensional structure formed by epibenthic foundation species, like sponges, for perching or hiding inside. Nesting behavior was observed, frequently in association with dropstones, in species from various families, including Channichthyidae (Chaenodraco wilsoni and Pagetopsis macropterus) and Bathydraconidae (Cygnodraco mawsoni).
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
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  • 8
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    More than a century of bathymetric observations and present-day shallow sediment characterization in Belfast Bay, Maine, USA: implications for pockmark field longevity (2011)
    Springer
    Details
    Publication Date: 2022-05-25
    Description: This paper is not subject to U.S. copyright. The definitive version was published in Geo-Marine Letters 31 (2011): 237-248, doi:10.1007/s00367-011-0228-0.
    Description: Mechanisms and timescales responsible for pockmark formation and maintenance remain uncertain, especially in areas lacking extensive thermogenic fluid deposits (e.g., previously glaciated estuaries). This study characterizes seafloor activity in the Belfast Bay, Maine nearshore pockmark field using (1) three swath bathymetry datasets collected between 1999 and 2008, complemented by analyses of shallow box-core samples for radionuclide activity and undrained shear strength, and (2) historical bathymetric data (report and smooth sheets from 1872, 1947, 1948). In addition, because repeat swath bathymetry surveys are an emerging data source, we present a selected literature review of recent studies using such datasets for seafloor change analysis. This study is the first to apply the method to a pockmark field, and characterizes macro-scale (〉5 m) evolution of tens of square kilometers of highly irregular seafloor. Presence/absence analysis yielded no change in pockmark frequency or distribution over a 9-year period (1999–2008). In that time pockmarks did not detectably enlarge, truncate, elongate, or combine. Historical data indicate that pockmark chains already existed in the 19th century. Despite the lack of macroscopic changes in the field, near-bed undrained shear-strength values of less than 7 kPa and scattered downcore 137Cs signatures indicate a highly disturbed setting. Integrating these findings with independent geophysical and geochemical observations made in the pockmark field, it can be concluded that (1) large-scale sediment resuspension and dispersion related to pockmark formation and failure do not occur frequently within this field, and (2) pockmarks can persevere in a dynamic estuarine setting that exhibits minimal modern fluid venting. Although pockmarks are conventionally thought to be long-lived features maintained by a combination of fluid venting and minimal sediment accumulation, this suggests that other mechanisms may be equally active in maintaining such irregular seafloor morphology. One such mechanism could be upwelling within pockmarks induced by near-bed currents.
    Description: Graduate support for Brothers came from a Maine Economic Improvement Fund Dissertation Fellowship.
    Repository Name: Woods Hole Open Access Server
    Type: Article
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  • 9
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    Shallow stratigraphic control on pockmark distribution in north temperate estuaries (2013)
    Elsevier B.V.
    Details
    Publication Date: 2022-05-25
    Description: This paper is not subject to U.S. copyright. The definitive version was published in Marine Geology 329-331 (2012): 34-45, doi:10.1016/j.margeo.2012.09.006.
    Description: Pockmark fields occur throughout northern North American temperate estuaries despite the absence of extensive thermogenic hydrocarbon deposits typically associated with pockmarks. In such settings, the origins of the gas and triggering mechanism(s) responsible for pockmark formation are not obvious. Nor is it known why pockmarks proliferate in this region but do not occur south of the glacial terminus in eastern North America. This paper tests two hypotheses addressing these knowledge gaps: 1) the region's unique sea-level history provided a terrestrial deposit that sourced the gas responsible for pockmark formation; and 2) the region's physiography controls pockmarks distribution. This study integrates over 2500 km of high-resolution swath bathymetry, Chirp seismic reflection profiles and vibracore data acquired in three estuarine pockmark fields in the Gulf of Maine and Bay of Fundy. Vibracores sampled a hydric paleosol lacking the organic-rich upper horizons, indicating that an organic-rich terrestrial deposit was eroded prior to pockmark formation. This observation suggests that the gas, which is presumably responsible for the formation of the pockmarks, originated in Holocene estuarine sediments (loss on ignition 3.5–10%), not terrestrial deposits that were subsequently drowned and buried by mud. The 7470 pockmarks identified in this study are non-randomly clustered. Pockmark size and distribution relate to Holocene sediment thickness (r2 = 0.60), basin morphology and glacial deposits. The irregular underlying topography that dictates Holocene sediment thickness may ultimately play a more important role in temperate estuarine pockmark distribution than drowned terrestrial deposits. These results give insight into the conditions necessary for pockmark formation in nearshore coastal environments.
    Description: Graduate support for Brothers came from a Maine Economic Improvement Fund Dissertation Fellowship.
    Keywords: Pockmarks ; Methane ; Redoximorphic features ; Swath bathymetry ; Gulf of Maine ; Bay of Fundy
    Repository Name: Woods Hole Open Access Server
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  • 10
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    The Morphology of the Queen Conch (Strombus gigas) from the Island of Barbuda - Implications for Fisheries Management (2021)
    In:  http://aquaticcommons.org/id/eprint/21543 | 9596 | 2020-08-26 04:50:42 | 21543 | Gulf and Caribbean Fisheries Institute
    Details
    Publication Date: 2021-07-15
    Keywords: Fisheries ; GCFI
    Repository Name: AquaDocs
    Type: conference_item
    Format: application/pdf
    Format: application/pdf
    Format: 450-457
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