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  • 1
    Publication Date: 2024-06-14
    Description: Abstract
    Description: SeisComP is a seismological software for data acquisition, processing, distribution and interactive analysis. The seismological software package has evolved within a decade from pure acquisition modules to a fully featured real-time earthquake monitoring software. The SeedLink protocol for seismic data transmission has been the core of SeisComP from the very beginning. Later additions included simple, purely automatic event detection, location and magnitude determination capabilities. Especially within the development of the 3rd-generation SeisComP, also known as SeisComP3 automatic processing capabilities have been augmented by graphical user interfaces (GUIs) for visualization, rapid event review and quality control.Communication between the modules is achieved using a dedicated messaging system that allows distributed computing and remote review. For seismological metadata exchange export/import tools to/from QuakeML and FDSN StationXML are available, which also provide convenient interfaces with 3rd-party software. The initial SeisComP3 development took place at GFZ between 2006 and 2008 within the GITEWS project (German Indonesian Tsunami Early Warning System) and continued with increasing engagement of gempa GmbH, a software company established by the initial development team of the GFZ.
    Keywords: real-time ; data ; processing ; earthquakes ; monitoring ; fdsn ; standards ; seismology ; C++ ; python ; AGPL ; open ; EARTH SCIENCE SERVICES 〉 DATA ANALYSIS AND VISUALIZATION ; EARTH SCIENCE 〉 SOLID EARTH 〉 TECTONICS 〉 EARTHQUAKES ; EARTH SCIENCE
    Language: English
    Type: Software
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  • 2
    Call number: AWI Bio-24-95729
    Type of Medium: Monograph available for loan
    Pages: XIV, 354 Seiten , Illustrationen
    ISBN: 0195154312 , 9780195154313 , 978-0-19-515431-3
    Series Statement: Long-Term Ecological Research Network Series
    Language: English
    Note: Contents Contributors Part I. Alaska's Past and Present Environment 1. The Conceptual Basis of LTER Studies in the Alaskan Boreal Forest / F. Stuart Chapin III, john Yarie, Keith Van Cleve, and Leslie A. Viereck 2. Regional Overview of Interior Alaska / James E. Beget, David Stone, and David L Verbyla 3. State Factor Control of Soil Formation in Interior Alaska / Chien-Lu Ping, Richard D. Boone, Marcus H. Clark, Edmond C. Packee, and David K. Swanson 4. Climate and Permafrost Dynamics of the Alaskan Boreal Forest / Larry D. Hinzman, Leslie A. Viereck, Phyllis C. Adams, Vladimir E. Romanovsky, and Kenji Yoshikawa 5. Holocene Development of the Alaskan Boreal Forest / Andrea H. Lloyd, Mary E. Edwards, Bruce P. Finney, Jason A. Lynch, Valerie Barber, and Nancy H. Bigelow Part II. Forest Dynamics 6. Floristic Diversity and Vegetation Distribution in the Alaskan Boreal Forest / F. Stuart Chapin III, Teresa Hollingsworth, David F. Murray, Leslie A. Viereck, and Marilyn D. Walker 7. Successional Processes in the Alaskan Boreal Forest / F. Stuart Chapin III, Leslie A. Viereck, Phyllis C. Adams, Keith Van Cleve, Christopher L. Fastie, Robert A. Ott, Daniel Mann, and Jill F. Johnstone 8. Mammalian Herbivore Population Dynamics in the Alaskan Boreal Forest / Eric Rexstad and Knut Kielland 9. Dynamics of Phytophagous Insects and Their Pathogens in Alaskan Boreal Forests / Richard A. Werner, Kenneth F. Raffa, and Barbara L. Illman 10. Running Waters of the Alaskan Boreal Forest / Mark W. Oswood, Nicholas F. Hughes, and Alexander M. Milner Part III. Ecosystem Dynamics 11. Controls over Forest Production in Interior Alaska / John Yarie and Keith Van Cleve 12. The Role of Fine Roots in the Functioning of Alaskan Boreal Forests / Roger W. Ruess, Ronald L. Hendrick, Jason C. Vogel, and Bjartmar Sveinbjornsson 13. Mammalian Herbivory, Ecosystem Engineering, and Ecological Cascades in Alaskan Boreal Forests / Knut Kielland, John P. Bryant, and Roger W. Ruess 14. Microbial Processes in the Alaskan Boreal Forest / Joshua P. Schimel and F. Stuart Chapin III 15. Patterns of Biogeochemistry in Alaskan Boreal Forests / David W. Valentine, Knut Kielland, F. Stuart Chapin III, A. David McCuire, and Keith Van Cleve Part IV. Changing Regional Processes 16. Watershed Hydrology and Chemistry in the Alaskan Boreal Forest: The Central Role of Permafrost / Larry D. Hinzman, W. Robert Bolton, Kevin C. Petrone, Jeremy B. Jones, and Phyllis C. Adams 17. Fire Trends in the Alaskan Boreal Forest / Eric S. Kasischke, T. Scott Rupp, and David L. Verbyla 18. Timber Harvest in Interior Alaska / Tricia L. Wurtz, Robert A. Ott, and John C. Maisch 19. Climate Feedbacks in the Alaskan Boreal Forest / A. David McCuire and F. Stuart Chapin III 20. Communication of Alaskan Boreal Science with Broader Communities / Elena B. Sparrow, Janice C. Dawe, and F. Stuart Chapin III 21. Summary and Synthesis: Past and Future Changes in the Alaskan Boreal Forest / F. Stuart Chapin III, A. David McCuire, Roger W. Ruess, Marilyn W. Walker, Richard D. Boone, Mary E. Edwards, Bruce P. Finney, Larry D. Hinzman, Jeremy B. Jones, Clenn P. Juday, Eric S. Kasischke, Knut Kielland, Andrea H. Lloyd, Mark W. Oswood, Chien-Lu Ping, Eric Rexstad, Vladimir E. Romanovsky, Joshua P. Schimel, Elena B. Sparrow, Bjartmar Sveinbjornsson, David W. Valentine, Keith Van Cleve, David L. Verbyla, Leslie A. Viereck, Richard A. Werner, Tricia L. Wurtz, and John Yarie Index
    Location: AWI Reading room
    Branch Library: AWI Library
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  • 3
    Monograph available for loan
    Monograph available for loan
    [Dordrecht [u.a.]] : Springer
    Type of Medium: Monograph available for loan
    Pages: XVIII, 831 S. , Illustrationen , 193 x 260 mm
    Edition: 2. ed. Softcover reprint of the original 2nd ed. 2009
    ISBN: 9789402404470 , 9402404473
    Language: English
    Branch Library: GFZ Library
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  • 4
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    Universität Göttingen,Abteilung Bodenphysik
    In:  Universität Göttingen
    Publication Date: 2024-05-03
    Description: research
    Keywords: NITROGEN FERTILIZERS ; NEUTRAL SOlLS ; ACID LOESS SOlLS ; BEHAVIOUR OF NITROGEN FERTILIZERS
    Language: English
    Type: doc-type:book
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  • 5
    Publication Date: 2024-04-19
    Description: This paper reports on the results of an independent evaluation of the techniques presented in the VLDB 2007 paper "Scalable Semantic Web Data Management Using Vertical Partitioning", authored by D. Abadi, A. Marcus, S. R. Madden, and K. Hollenbach [1]. We revisit the proposed benchmark and examine both the data and query space coverage. The benchmark is extended to cover a larger portion of the query space in a canonical way. Repeatability of the experiments is assessed using the code base obtained from the authors. Inspired by the proposed vertically-partitioned storage solution for RDF data and the performance figures using a column-store, we conduct a complementary analysis of state-of-the-art RDF storage solutions. To this end, we employ MonetDB/SQL, a fully-functional open source column-store, and a well-known -- for its performance -- commercial row-store DBMS. We implement two relational RDF storage solutions -- triple-store and vertically-partitioned -- in both systems. This allows us to expand the scope of [1] with the performance characterization along both dimensions -- triple-store vs. vertically-partitioned and row-store vs. column-store -- individually, before analyzing their combined effects. A detailed report of the experimental test-bed, as well as an in-depth analysis of the parameters involved, clarify the scope of the solution originally presented and position the results in a broader context by covering more systems.
    Language: English
    Type: info:eu-repo/semantics/article
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  • 6
    Publication Date: 2024-04-19
    Description: By leveraging modern networking hardware (RDMA-enabled network cards), we can shift priorities in distributed database processing significantly. Complex and sophisticated mechanisms to avoid network traffic can be replaced by a scheme that takes advantage of the bandwidth and low latency offered by such interconnects. We illustrate this phenomenon with cyclo-join, an efficient join algorithm based on continuously pumping data through a ring-structured network. Our approach is capable of exploiting the resources of all CPUs and distributed main-memory available in the network for processing queries of arbitrary shape and datasets of arbitrary size.
    Language: English
    Type: info:eu-repo/semantics/conferenceObject
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  • 7
    Publication Date: 2024-04-19
    Description: This paper presents our experiences in porting the Sloan Digital Sky Survey(SDSS)/ SkyServer to the state-of- the-art open source database system MonetDB/SQL. SDSS acts as a well-documented benchmark for scientific database management. We have achieved a fully functional prototype for the personal SkyServer, to be downloaded from our site. The lessons learned are 1) the column store approach of MonetDB demonstrates a great potential in the world of scientific databases. However, the application also challenged the functionality of our implementation and revealed that a fully operational SQL environment is needed, e.g. including persistent stored modules; 2) the initial performance is competitive to the reference platform, MS SQL Server 2005, and 3) the analysis of SDSS query traces hints at several techniques to boost performance by utilizing repetitive behavior and zoom-in/zoom-out access patterns, that are currently not captured by the system.
    Language: English
    Type: info:eu-repo/semantics/conferenceObject
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  • 8
    Publication Date: 2024-04-19
    Description: Stream applications gained significant popularity over the last years that lead to the development of specialized stream engines. These systems are designed from scratch with a different philosophy than nowadays database engines in order to cope with the stream applications requirements. However, this means that they lack the power and sophisticated techniques of a full fledged database system that exploits techniques and algorithms accumulated over many years of database research. In this paper, we take the opposite route and design a stream engine directly on top of a database kernel. Incoming tuples are directly stored upon arrival in a new kind of system tables, called baskets. A continuous query can then be evaluated over its relevant baskets as a typical one-time query exploiting the power of the relational engine. Once a tuple has been seen by all relevant queries/operators, it is dropped from its basket. A basket can be the input to a single or multiple similar query plans. Furthermore, a query plan can be split into multiple parts each one with its own input/output baskets allowing for flexible load sharing query scheduling. Contrary to traditional stream engines, that process one tuple at a time, this model allows batch processing of tuples, e.g., query a basket only after x tuples arrive or after a time threshold has passed. Furthermore, we are not restricted to process tuples in the order they arrive. Instead, we can selectively pick tuples from a basket based on the query requirements exploiting a novel query component, the basket expressions. We investigate the opportunities and challenges that arise with such a direction and we show that it carries significant advantages. We propose a complete architecture, the DataCell, which we implemented on top of an open-source column-oriented DBMS. A detailed analysis and experimental evaluation of the core algorithms using both micro benchmarks and the standard Linear Road benchmark demonstrate the potential of this new approach.
    Language: English
    Type: info:eu-repo/semantics/conferenceObject
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  • 9
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    Boca Raton, FL : CRC Press
    Call number: 9781420073072 (e-book)
    Description / Table of Contents: As we discover more about the role of the ocean in global changes and identify the effects of global change on the ocean, understanding its chemical composition and processes becomes increasingly paramount. However, understanding these processes requires a wide range of measurements in the vast ocean, from the sea surface to deep-ocean trenches, from the tropics to the poles. Practical Guidelines for the Analysis of Seawater provides a common analytical basis for generating quality-assured and reliable data on chemical parameters in the ocean. A source of practical know-how, the book covers sampling and storage, analytical methodology, and guidelines and procedures for quality assurance. It presents analytical methods with the step-by-step procedures that help practitioners implement these methods successfully into the laboratory, making them instantly applicable without consulting further literature. The book also contains essential information for developing or improving quality control and quality assurance programs in the laboratory. It includes the availability and measurement of standard reference materials, blank estimation and correction, control of recoveries, and statistical evaluation of quality assurance data. Analytical chemistry is a very active and fast moving area. Despite the development of innovative new analytical techniques for chemical trace element research, obtaining reliable data at ultra-trace levels remains a formidable challenge. A complete and practical guide, this book delineates proven methods that consistently yield reproducible data in routine work.
    Type of Medium: 12
    Pages: 1 Online-Ressource (xii, 401 Seiten) , Illustrationen, Diagramme
    ISBN: 978-1-4200-7307-2 , 9781420073072
    Series Statement: Environmental science and technology
    Language: English
    Note: Contents Preface Editor Contributors Chapter 1 Sampling and Sample Treatments / Oliver Wurl Chapter 2 Analysis of Dissolved and Particulate Organic Carbon with the HTCO Technique / Oliver Wurl and Tsai Min Sin Chapter 3 Spectrophotometric and Chromatographic Analysis of Carbohydrates in Marine Samples / Christos Panagiotopoulos and Oliver Wurl Chapter 4 The Analysis of Amino Acids in Seawater / Thorsten Dittmar, Jennifer Cherrier, and Kai-Uwe Ludwichowski Chapter 5 Optical Analysis of Chromophoric Dissolved Organic Matter / Norman B. Nelson and Paula G. Coble Chapter 6 Isotope Composition of Organic Matter in Seawater / Laodong Guo and Ming-Yi Sun Chapter 7 Determination of Marine Gel Particles / Anja Engel Chapter 8 Nutrients in Seawater Using Segmented Flow Analysis / Alain Aminot, Roger Kérouel, and Stephen C. Coverly Chapter 9 Dissolved Organic and Particulate Nitrogen and Phosphorous / Gerhard Kattner Chapter 10 Pigment Applications in Aquatic Systems / Karen Helen Wiltshire Chapter 11 Determination of DMS, DMSP, and DMSO in Seawater / Jacqueline Stefels Chapter 12 Determination of Iron in Seawater / Andrew R. Bowie and Maeve C. Lohan Chapter 13 Radionuclide Analysis in Seawater / Mark Baskaran, Gi-Hoon Hong, and Peter H. Santschi Chapter 14 Sampling and Measurements of Trace Metals in Seawater / Sylvia G. Sander, Keith Hunter, and Russell Frew Chapter 15 Trace Analysis of Selected Persistent Organic Pollutants in Seawater / Oliver Wurl Chapter 16 Pharmaceutical Compounds in Estuarine and Coastal Waters / John L. Zhou and Zulin Zhang Appendix A: First Aid for Common Problems with Typical Analytical Instruments Appendix B: Chemical Compatibilities and Physical Properties of Various Materials Appendix C: Water Purification Technologies
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  • 10
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    Chichester, [England] : Wiley
    Call number: 9781444328479 (e-book)
    Type of Medium: 12
    Pages: 1 Online-Ressource (XIII, 768 Seiten) , Illustrationen
    Edition: Second edition
    ISBN: 9781444328479 (e-book) , 978-1-4443-2847-9
    Language: English
    Note: Contents Contents Preface Acknowledgements Part 1: Making Sediment Introduction Clastic sediment as a chemical and physical breakdown product 1.1 Introduction: clastic sediments—'accidents' of weathering 1.2 Silicate minerals and chemical weathering 1.3 Solute flux: rates and mechanisms of silicate chemical weathering 1.4 Physical weathering 1.5 Soils as valves and filters for the natural landscape 1.6 Links between soil age, chemical weathering and weathered-rock removal 1.7 Provenance: siliciclastic sediment-sourcing Further reading 2 Carbonate, siliceous, iron-rich and evaporite sediments 2.1 Marine vs. freshwater chemical composition and fluxes 2.2 The calcium carbonate system in the oceans 2.3 Ooid carbonate grains 2.4 Carbonate grains from marine plants and animals 2.5 Carbonate muds, oozes and chalks 2.6 Other carbonate grains of biological origins 2.7 Organic productivity, sea-level and atmospheric controls of biogenic CaCO3 deposition rates 2.8 CaCO3 dissolution in the deep ocean and the oceanic CaCO3 compensation mechanism 2.9 The carbonate system on land 2.10 Evaporite salts and their inorganic precipitation as sediment 2.11 Silica and pelagic plankton 2.12 Iron minerals and biomineralizers 2.13 Desert varnish 2.14 Phosphates 2.15 Primary microbial-induced sediments: algal mats and stromatolites Further reading 3 Sediment grain properties 3.1 General 3.2 Grain size 3.3 Grain-size distributions 3.4 Grain shape and form 3.5 Bulk properties of grain aggregates Further reading Part 2: Moving Fluid Introduction 4 Fluid basics 4.1 Material properties of fluids 4.2 Fluid kinematics 4.3 Fluid continuity with constant density 4.4 Fluid dynamics 4.5 Energy, mechanical work and power Further reading 5 Types of fluid motion 5.1 Osborne Reynolds and flow types 5.2 The distribution of velocity in viscous flows: the boundary layer 5.3 Turbulent flows 5.4 The structure of turbulent shear flows 5.5 Shear flow instabilities, flow separation and secondary currents 5.6 Subcritical and supercritical flows: the Froude number and hydraulic jumps 5.7 Stratified flow generally 5.8 Water waves 5.9 Tidal flow—long-period waves Further reading Part 3: Transporting Sediment Introduction 6 Sediment in fluid and fluid flow—general 6.1 Fall of grains through stationary fluids 6.2 Natural flows carrying particulate material are complex 6.3 Fluids as transporting machines 6.4 Initiation of grain motion 6.5 Paths of grain motion 6.6 Categories of transported sediment 6.7 Some contrasts between wind and water flows 6.8 Cohesive sediment transport and erosion 6.9 A warning: nonequilibrium effects dominate natural sediment transport systems 6.10 Steady state, deposition or erosion: the sediment continuity equation and competence vs. capacity Further reading 7 Bedforms and sedimentary structures in flows and under waves 7.1 Trinity of interaction: turbulent flow, sediment transport and bedform development 7.2 Water-flow bedforms 7.3 Bedform phase diagrams for water flows 7.4 Water flow erosional bedforms on cohesive beds 7.5 Water wave bedforms 7.6 Combined flows: wave-current ripples and hummocky cross-stratification 7.7 Bedforms and structures formed by atmospheric flows Further reading 8 Sediment gravity flows and their deposits 8.1 Introduction 8.2 Granular flows 8.3 Debris flows 8.4 Turbidity flows 8.5 Turbidite evidence for downslope transformation from turbidity to debris flows Further reading 9 Liquefaction, fluidization and sliding sediment deformation 9.1 Liquefaction 9.2 Sedimentary structures formed by and during liquefaction 9.3 Submarine landslides, growth faults and slumps 9.4 Desiccation and synaeresis shrinkage structures Further reading Part 4: Major External Controls on Sedimentation and Sedimentary Environments Introduction 10 Major external controls on sedimentation 10.1 Climate 10.2 Global climates: a summary 10.3 Sea-level changes 10.4 Tectonics 10.5 Sediment yield, denudation rate and the sedimentary record Further reading Part 5: Continental Sedimentary Environments Introduction 11 Rivers 11.1 Introduction 11.2 River networks, hydrographs,patterns and long profiles 11.3 Channel form 11.4 Channel sediment transport processes, bedforms and internal structures 11.5 The floodplain 11.6 Channel belts, alluvial ridges and avulsion 11.7 River channel changes, adjustable variables and equilibrium 11.8 Alluvial architecture: product of complex responses 11.9 Alluvial architecture: scale, controls and time Further reading 12 Subaerial Fans: Alluvial and Colluvial 12.1 Introduction 12.2 Controls on the size (area) and gradient of fans 12.3 Physical processes on alluvial fans 12.4 Debris-flow-dominated alluvial fans 12.5 Stream-flow-dominated alluvial fans 12.6 Recognition of ancient alluvial fans and talus cones Further reading 13 Aeolian Sediments in Low-Latitude Deserts 13.1 Introduction 13.2 Aeolian system state 13.3 Physical processes and erg formation 13.4 Erg margins and interbedform areas 13.5 Erg and draa evolution and sedimentary architecture 13.6 Erg construction, stasis and destruction: climate and sea-level controls 13.7 Ancient desert facies Further reading 14 Lakes 14.1 Introduction 14.2 Lake stratification 14.3 Clastic input by rivers and the effect of turbidity currents 14.4 Wind-forced physical processes 14.5 Temperate lake chemical processes and cycles 14.6 Saline lake chemical processes and cycles 14.7 Biological processes and cycles 14.8 Modern temperate lakes and their sedimentary facies 14.9 Lakes in the East African rifts 14.10 Lake Baikal 14.11 The succession of facies as lakes evolve 14.12 Ancient lake facies Further reading 15 Ice 15.1 Introduction 15.2 Physical processes of ice flow 15.3 Glacier flow, basal lubrication and surges 15.4 Sediment transport, erosion and deposition by flowing ice 15.5 Glacigenic sediment: nomenclature and classification 15.6 Quaternary and modern glacial environments and facies 15.7 Ice-produced glacigenic erosion and depositional facies on land and in the periglacial realm 15.8 Glaciofluvial processes on land at and within the ice-front 15.9 Glacimarine environments 15.10 Glacilacustrine environments 15.11 Glacial facies in the pre-Quaternary geological record: case of Cenozoic Antarctica Further reading Part 6: Marine Sedimentary Environments Introduction 16. Estuaries 16.1 Introduction 16.2 Estuarine dynamics 16.3 Modern estuarine morphology and sedimentary environments 16.4 Estuaries and sequence stratigraphy Further reading 17. River and Fan Deltas 17.1 Introduction to river deltas 17.2 Basic physical processes and sedimentation at the river delta front 17.3 Mass movements and slope failure on the subaqueous delta 17.4 Organic deposition in river deltas 17.5 River delta case histories 17.6 River deltas and sea-level change 17.7 Ancient river delta deposits 17.8 Fan deltas Further reading 18. Linear Siliciclastic Shorelines 18.1 Introduction 18.2 Beach processes and sedimentation 18.3 Barrier-inlet-spit systems and their deposits 18.4 Tidal flats, salt marsh and chenier ridges 18.5 Ancient clastic shoreline facies Further reading 19 Siliciclastic Shelves 19.1 Introduction: shelf sinks and lowstand bypass 19.2 Shelf water dynamics 19.3 Holocene highstand shelf sediments: general 19.4 Tide-dominated, low river input, highstand shelves 19.5 Tide-dominated, high river input, highstand shelves 19.6 Weather-dominated highstand shelves Further reading 20 Calcium-carbonate-evaporite Shorelines, Shelves and Basins 20.1 Introduction: calcium carbonate 'nurseries' and their consequences 20.2 Arid carbonate tidal flats, lagoons and evaporite sabkhas 20.3 Humid carbonate tidal flats and marshes 20.4 Lagoons and bays 20.5 Tidal delta and margin-spillover carbonate tidal sands 20.6 Open-shelf carbonate ramps 20.7 Platform margin reefs and carbonate build-ups 20.8 Platform margin slopes and basins 20.9 Carbonate sediments, cycles and sea-level change 20.10 Displacement and destruction of carbonate environments: silicicl
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