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  • 1
    Call number: AWI Bio-24-95736
    Description / Table of Contents: Moss-microbe associations are often characterised by syntrophic interactions between the microorganisms and their hosts, but the structure of the microbial consortia and their role in peatland development remain unknown. In order to study microbial communities of dominant peatland mosses, Sphagnum and brown mosses, and the respective environmental drivers, four study sites representing different successional stages of natural northern peatlands were chosen on a large geographical scale: two brown moss-dominated, circumneutral peatlands from the Arctic and two Sphagnum-dominated, acidic peat bogs from subarctic and temperate zones. The family Acetobacteraceae represented the dominant bacterial taxon of Sphagnum mosses from various geographical origins and displayed an integral part of the moss core community. This core community was shared among all investigated bryophytes and consisted of few but highly abundant prokaryotes, of which many appear as endophytes of Sphagnum mosses. Moreover, brown mosses and Sphagnum mosses represent habitats for archaea which were not studied in association with peatland mosses so far. Euryarchaeota that are capable of methane production (methanogens) displayed the majority of the moss-associated archaeal communities. Moss-associated methanogenesis was detected for the first time, but it was mostly negligible under laboratory conditions. Contrarily, substantial moss-associated methane oxidation was measured on both, brown mosses and Sphagnum mosses, supporting that methanotrophic bacteria as part of the moss microbiome may contribute to the reduction of methane emissions from pristine and rewetted peatlands of the northern hemisphere. Among the investigated abiotic and biotic environmental parameters, the peatland type and the host moss taxon were identified to have a major impact on the structure of moss-associated bacterial communities, contrarily to archaeal communities whose structures were similar among the investigated bryophytes. For the first time it was shown that different bog development stages harbour distinct bacterial communities, while at the same time a small core community is shared among all investigated bryophytes independent of geography and peatland type. The present thesis displays the first large-scale, systematic assessment of bacterial and archaeal communities associated both with brown mosses and Sphagnum mosses. It suggests that some host-specific moss taxa have the potential to play a key role in host moss establishment and peatland development.
    Description / Table of Contents: Während die Beziehungen zwischen Moosen und den mit ihnen assoziierten Mikroorganismen oft durch syntrophische Wechselwirkungen charakterisiert sind, ist die Struktur der Moos-assoziierten mikrobiellen Gemeinschaften sowie deren Rolle bei der Entstehung von Mooren weitgehend unbekannt. Die vorliegende Arbeit befasst sich mit mikrobiellen Gemeinschaften, die mit Moosen nördlicher, naturnaher Moore assoziiert sind, sowie mit den Umweltfaktoren, die sie beeinflussen. Entlang eines groß angelegten geographischen Gradienten, der von der Hocharktis bis zur gemäßigten Klimazone reicht, wurden vier naturbelassene Moore als Probenstandorte ausgesucht, die stellvertretend für verschiedene Stadien der Moorentwicklung stehen: zwei Braunmoos-dominierte Niedermoore mit nahezu neutralem pH-Wert sowie zwei Sphagnum-dominierte Torfmoore mit saurem pH-Wert. Die Ergebnisse der vorliegenden Arbeit machen deutlich, dass die zu den Bakterien zählenden Acetobacteraceae das vorherrschende mikrobielle Taxon der Sphagnum-Moose gleich welchen geographischen Ursprungs darstellen und insbesondere innerhalb des Wirtsmoosgewebes dominieren. Gleichzeitig gehörten die Acetobacteraceae zum wesentlichen Bestandteil der mikrobiellen Kerngemeinschaft aller untersuchten Moose, die sich aus einigen wenigen Arten, dafür zahlreich vorkommenden Prokaryoten zusammensetzt. Die vorliegende Arbeit zeigt zudem erstmals, dass sowohl Braunmoose als auch Torfmoose ein Habitat für Archaeen darstellen. Die Mehrheit der Moos-assoziierten Archaeen gehörte dabei zu den methanbildenden Gruppen, wenngleich die metabolischen Aktivitätsraten unter Laborbedingungen meistens kaum messbar waren. Im Gegensatz hierzu konnte die Bakterien-vermittelte Methanoxidation sowohl an Braunmoosen als auch an Sphagnum-Moosen gemessen werden. Dies zeigt eindrucksvoll, dass Moos-assoziierte Bakterien potenziell zur Minderung von Methanemissionen aus nördlichen, aber auch wiedervernässten Mooren beitragen können. Ein weiteres wichtiges Resultat der vorliegenden Arbeit ist die Bedeutung des Moortyps (Niedermoor oder Torfmoor), aber auch der Wirtsmoosart selbst für die Struktur der Moos-assoziierten Bakteriengemeinschaften, während die archaeellen Gemeinschaftsstrukturen weder vom Moortyp noch von der Wirtsmoosart beeinflusst wurden und sich insgesamt deutlich ähnlicher waren als die der Bakterien. Darüber hinaus konnte erstmalig gezeigt werden, dass sich die bakteriellen Gemeinschaften innerhalb der unterschiedlichen Moorsukzessionsstadien zwar ganz erheblich voneinander unterscheiden, ein kleiner Teil der Bakterien dennoch Kerngemeinschaften bilden, die mit allen untersuchten Moosarten assoziiert waren. Bei der hier präsentierten Arbeit handelt es sich um die erste systematische Studie, die sich auf einer großen geographischen Skala mit den bakteriellen und archaeellen Gemeinschaften von Braunmoosen und Torfmoosen aus naturbelassenen nördlichen Mooren befasst. Die vorliegenden Ergebnisse machen deutlich, dass die untersuchten Moose ein ganz spezifisches mikrobielles Konsortium beherbergen, welches mutmaßlich eine Schlüsselrolle bei der Etablierung der Wirtspflanzen am Anfang der Moorentwicklung spielt und darüber hinaus das Potential hat, die charakteristischen Eigenschaften von Mooren sowie deren weitere Entwicklung zu prägen.
    Type of Medium: Dissertations
    Pages: XX, 139, liv Seiten , Illustrationen, Diagramme
    Language: English
    Note: Dissertation, Universität Potsdam, 2024 , Content Preface Acknowledgements Summary Zusammenfassung Abbreviations 1. Introduction 1.1. Peatlands 1.1.1. Peatland development and peat bog succession 1.1.2. Characteristic peatlands of the northern hemisphere 1.1.3. Anthropogenic threats of northern peatlands 1.1.4. Peat bog restoration 1.2. Peatland bryophytes 1.2.1. Brown mosses 1.2.2. Sphagnum mosses 1.3. Moss microbiota 1.3.1. Moss-associated bacteria 1.3.2. Moss-associated archaea 1.3.3. Endophytic prokaryotic communities 1.4. Biotic and abiotic influences on moss-associated microorganisms 1.5. Objectives 1.6. Study sites 1.6.1. High Arctic peatlands of Svalbard (SV) 1.6.2. Polygonal Tundra of Samoylov (SA) 1.6.3. Palsa Bogs of Neiden (NEI) 1.6.4. Kettle Bog Peatlands of Mueritz National Park (MUE) 2. Material and Methods 2.1. Sampling scheme overview 2.2. Sampling of pore water 2.3. Sampling of moss plantlets 2.4. Analysis of pore water chemistry 2.5. Cell wall analysis 2.5.1. Cation exchange capacity (CEC) 2.5.2. Holocellulose (HC) 2.5.3. Lignin and Lignin-like polymers (LLP) 2.5.4. Bulk moss litter analysis 2.6. Moss surface sterilisation and separation of putative epiphytic and endophytic microbial communities 2.7. DNA extraction and sequencing 2.8. Sequence analyses and bioinformatics 2.9. Statistical analyses 2.10. Potential methane production and oxidation assays 2.10.1. Surface sterilisation prior to activity tests 2.10.2. Methane production 2.10.3. Methane oxidation 3. Results 3.1. Peatland bulk and pore water characteristics 3.2. Diversity and structure of natural peatland microbial communities 3.3. Environmental drivers of moss-associated microbial communities 3.4. Microbial taxa associated with brown mosses and Sphagnum mosses 3.4.1. Moss-associated bacteria 3.4.2. Moss-associated archaea 3.4.3. Bacterial and archaeal core communities 3.4.4. Acetobacteraceae as dominant taxon of the bacterial core community 3.5. Sphagnum bacteriomes of disturbed, rewetted and pristine temperate kettle bog 3.6. Potential moss-associated methane production and methane oxidation rates 3.6.1. Moss-associated methane production 3.6.2. Moss-associated methane oxidation 4. Discussion 4.1. Environmental influences on moss-associated bacterial communities 4.2. Moss-associated archaeal communities and their environmental drivers 4.3. Distinct patterns of endophytic bacteria 4.4. The core microbiota and their possible role for peatland succession 4.5. The potential role of Acetobacteraceae for Sphagnum host mosses and bog ecosystems 4.6. Moss-associated microbial communities of the methane cycle and their potential metabolic activity 4.7. Diversity and structure of Sphagnum bacteriomes from pristine, disturbed and rewetted kettle bogs 5. Conclusion 6. Critical remarks and outlook 6.1. Critical remarks 6.2. Outlook Bibliography Supplementary
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  • 2
    Monograph available for loan
    Monograph available for loan
    New York, NY : Humana Press
    Call number: AWI Bio-24-95664
    Description / Table of Contents: This volume provides detailed protocols for the isolation, enumeration, characterization of diverse bacteriophages, including both small to jumbo bacteriophages, from soil, fecal, municipal wastewater, and from food niche samples. Chapters highlight the diversity of bacteriophages in different environments, quantifications using culture, molecular techniques, protocols for isolate, interaction of bacteriophage proteins with host cells, and how to use bacteriophages to transfer foreign genetic elements to bacterial strains. In addition to the above, chapters feature the application of bacteriophages/bacteriophage-derived products. Written in the highly successful Methods in Molecular Biology series format, chapters include introductions to their respective topics, lists of necessary materials and reagents, step-by-step, readily reproducible laboratory protocols, and tips (in the Notes section) on troubleshooting and avoiding known pitfalls. Authoritative and cutting-edge, Bacteriophages: Methods and Protocols aims to ensure successful results in further study of this vital field.
    Type of Medium: Monograph available for loan
    Pages: XVI, 431 Seiten , Illustrationen
    ISBN: 978-1-0716-3548-3 , 9781071635483
    ISSN: 1064-3745 , 1940-6029
    Series Statement: Methods in Molecular Biology 2738
    Language: English
    Note: Contents Preface Contributors PART I AN OVERVIEW OF THE DIVERSITY OF BACTERIOPHAGES 1 Structural and Genomic Diversity of Bacteriophages / Bert Ely, Jacob Lenski, and Tannaz Mohammadi 2 The Diversity of Bacteriophages in the Human Gut / Amanda Carroll-Portillo, Derek M. Lin, and Henry C. Lin 3 Breaking the Ice: A Review of Phages in Polar Ecosystems / Mara Elena Heinrichs, Gonçalo J. Piedade, Ovidiu Popa, Pacifica Sommers, Gareth Trubl, Julia Weissenbach, and Janina Rahlff 4 The Diversity of Bacteriophages in Hot Springs / Timothy J. Marks and Isabella R. Rowland PART II ISOLATION OF BACTERIOPHAGES 5 Isolation of Bacteriophages from Soil Samples in a Poorly Equipped Field Laboratory in Kruger National Park / Ayesha Hassim and Kgaugelo Edward Lekota 6 Purification and Up-Concentration of Bacteriophages and Viruses from Fecal Samples / Frej Larsen, Rasmus Riemer Jakobsen, Xiaotian Mao, Josue Castro-Mejia, Ling Deng, and Dennis S. Nielsen 7 Isolation of Enterococcus Bacteriophages from Municipal Wastewater Samples Using an Enrichment Step / Cory Schwarz and Jacques Mathieu 8 Phage DNA Extraction, Genome Assembly, and Genome Closure / Justin Boeckman, Mei Liu, Jolene Ramsey, and Jason Gill PART III ENUMERATION OF BACTERIOPHAGES 9 Enumeration of Bacteriophages by Plaque Assay / Diana Elizabeth Waturangi 10 Detection and Quantification of Bacteriophages in Wastewater Samples by Culture and Molecular Methods/ Laura Sala-Comorera, Maite Muniesa, and Lorena Rodríguez-Rubio 11 Flow Virometry: A Fluorescence-Based Approach to Enumerate Bacteriophages in Liquid Samples / Elena A. Dlusskaya and Rafik Dey 12 A Metagenomics Approach to Enumerate Bacteriophages in a Food Niche / Kelsey White, Giovanni Eraclio, Gabriele Andrea Lugli, Marco Ventura, Jennifer Mahony, Fabio Dal Bello, and Douwe van Sinderen PART IV CHARACTERIZATION OF BACTERIOPHAGES 13 Bioinformatic Analysis of Staphylococcus Phages: A Key Step for Safe Cocktail Development / Soledad Telma Carrasco and He´ctor Ricardo Morbidoni 14 Use of Localized Reconstruction to Visualize the Shigella Phage Sf6 Tail Apparatus / Chun-Feng David Hou, Fenglin Li, Stephano Iglesias, and Gino Cingolani 15 Bacteriophage–Host Interactions and Coevolution / Diana M. Álvarez-Espejo, Dácil Rivera, and Andrea I. Moreno-Switt 16 Unraveling Physical Interactions of Clostridioides difficile with Phage and Phage-Derived Proteins Using In Vitro and Whole-Cell Assays / Wichuda Phothichaisri, Tanaporn Phetruen, Surang Chankhamhaengdecha, Tavan Janvilisri, Puey Ounjai, Robert P. Fagan, and Sittinan Chanarat 17 Phage Transduction of Staphylococcus aureus / Melissa-Jane Chu Yuan Kee and John Chen PART V APPLICATION OF BACTERIOPHAGES AND BACTERIOPHAGE-DERIVED COMPONENTS 18 The Next Generation of Drug Delivery: Harnessing the Power of Bacteriophages / Alaa A. A. Aljabali, Mohammad B. M. Aljbaly, Mohammad A. Obeid, Seyed Hossein Shahcheraghi, and Murtaza M. Tambuwala 19 Construction of Nonnatural Cysteine-Cross-Linked Phage Libraries / Brittney Chau, Kristi Liivak, and Jianmin Gao 20 Application of Deep Sequencing in Phage Display / Vincent Van Deuren, Sander Plessers, Rob Lavigne, and Johan Robben 21 The Application of Bacteriophage and Photoacoustic Flow Cytometry in Bacterial Identification / Robert H. Edgar, Anie-Pier Samson, and John A. Viator 22 Propagation, Purification, and Characterization of Bacteriophages for Phage Therapy / Katarzyna Kosznik-Kwaśnicka, Gracja Topka, Jagoda Mantej, Łukasz Grabowski, Agnieszka Necel, Grzegorz Węgrzyn, and Alicja Węgrzyn 23 Overcoming Bacteriophage Resistance in Phage Therapy / Elina Laanto 24 Bacteriophage Virus-Like Particles: Platforms for Vaccine Design / Ebenezer Tumban Index
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  • 3
    Call number: 9781119750901 (e-book)
    In: Geophysical monograph, 284
    Type of Medium: 12
    Pages: 1 Online-Ressource (xi, 268 Seiten) , Illustrationen
    Edition: first published 2024
    ISBN: 9781119750901 , 978-1-119-75090-1 , 9781119750895 , 978-1-119-75089-5
    Series Statement: Geophysical monograph 284
    Language: English
    Note: Contents List of Contributors Preface Chapter 1 An Introduction to the Ocean Soundscape 1.1 Introduction 1.2 Seismic Waves 1.2.1 Body Waves 1.2.2 Surface Waves 1.3 Noise Sources in the Oceans 1.3.1 Noise from Geological Origins (Geophony) 1.3.2 Noise from Biological Origins (Biophony) 1.3.3 Noise from Anthropogenic Origins (Anthrophony) 1.4 Tools for Recording Marine Noise 1.4.1 Ocean-Bottom Seismometers 1.4.2 Ocean-Bottom Nodes 1.4.3 Ocean-Bottom Observatories 1.4.4 Acoustic Doppler Current Profilers 1.4.5 Echosounders 1.4.6 Drifters and Floats 1.5 Common Data-Processing Methods 1.5.1 Time-Drift Correction 1.5.2 Data Reduction 1.5.3 Instrument Relocation through Travel-Time Analysis 1.5.4 Rotation for Geophone Reorientation 1.5.5 Converting from Counts to Physical Units 1.5.6 Removing the Mean from the Data Set 1.5.7 Frequency Spectrum, Spectrogram, and Power Spectral Density 1.5.8 Frequency Filtering 1.5.9 Polarization Analysis 1.6 Summary of Chapters 1.7 Future Developments of Acoustic Measurements in the Ocean References Chapter 2 Seismic Ambient Noise: Application to Taiwanese Data 2.1 Introduction 2.2 Background Ambient Seismic Noise in Taiwan 2.3 Ambient Seismic Noise Generated by Intense Storms 2.4 Deepsea Internal Waves Southeast of Offshore Taiwan 2.5 Gas Emissions at the Seafloor and "Bubble" SDEs in SW Offshore Taiwan 2.6 Conclusion Acknowledgments References Chapter 3 Seasonal and Geographical Variations in the Quantified Relationship Between Significant Wave Heights and Microseisms: An Example From Taiwan 3.1 Introduction 3.2 Method and Data Processing 3.2.1 Data 3.2.2 Method 3.3 Testing and Determining Parameters 3.4 Results and Discussion 3.4.1 Seasonal Variation 3.4.2 Geographical Variation 3.4.3 Residual Distributions of the SHW Simulation 3.5 Conclusions -- Acknowledgments References Chapter 4 Listening for Diverse Signals From Emergent and Submarine Volcanoes 4.1 Introduction 4.2 Detection and Monitoring of Submarine Volcanism 4.2.1 Hydroacoustic Arrays 4.2.2 Seismometer Arrays 4.2.3 Cabled Systems 4.2.4 Limitations in Detecting Submarine Volcanism 4.3 Diverse Volcano Signals Recorded Underwater 4.3.1 Distinguishing Signal from Noise in the Ocean 4.3.2 High-Frequency Volcanic Signals 4.3.3 Low-Frequency Volcanic Signals 4.3.4 Volcanic Tremor Signals 4.3.5 Volcanic Explosion-Type Signals 4.3.6 Volcanic Landslide Signals 4.4 Conclusions Availability Statement Acknowledgments References Chapter 5 Seismic and Acoustic Monitoring of Submarine Landslides: Ongoing Challenges, Recent Successes, and Future Opportunities 5.1 Introduction 5.1.1 Recent Advances in Direct Monitoring of Submarine Landslides 5.1.2 Aims 5.2 Passive Geophysical Monitoring of Terrestrial Landslides 5.3 Which Aspects of Submarine Landslides Should We Be Able to Detect with Passive Systems? 5.4 Recent Advances and Opportunities in Passive Monitoring of Submarine Landslides 5.4.1 Determining the Timing and Location of Submarine Landslides at a Margin Scale Using Land-Based Seismological Networks 5.4.2 Quantifying Landslide Kinematics Using Hydrophones 5.4.3 Characterizing Landslide Run-Out to Enhance Hazard Assessments 5.4.4 Opportunities Using Distributed Cable-Based Sensing 5.5 The Application of Passive Geophysical Monitoring in Advancing Submarine Landslide Science 5.5.1 Can Passive Seismic and Acoustic Techniques Overcome the Logistical Challenges That Have Previously Hindered the Monitoring of Submarine Landslides? 5.5.2 What Aspects of Submarine Landslides Can We Assess from Passive Remote Sensing Techniques, and What Needs To Be Resolved? 5.5.3 Suggestions for Future Directions 5.6 Concluding Remarks Acknowledgments References Chapter 6 Iceberg Noise 6.1 Introduction 6.2 Waveforms of Iceberg Noise 6.2.1 Iceberg Bursts 6.2.2 Iceberg Tremor 6.2.3 Iceberg Harmonic Tremor 6.3 Observation and Location of Iceberg Noise 6.3.1 Hydroacoustic Records at Long Distances 6.3.2 Records of Regional Hydroacoustic Networks 6.3.3 Seismic Records in Antarctica 6.4 Spatial and Temporal Variations of Iceberg Noise 6.5 Source Mechanisms of Iceberg Noise 6.6 Discussion 6.7 Conclusion Acknowledgments References Chapter 7 The Sound of Hydrothermal Vents 7.1 Introduction 7.2 Theory of Sound Production by Hydrothermal Vents 7.2.1 Radiation Efficiency 7.2.2 Monopole 7.2.3 Dipole 7.2.4 Quadrupole 7.2.5 Estimated Source Sound Pressure Levels 7.2.6 Estimated Source Spectra 7.3 Survey of Acoustic Measurements 7.3.1 Very Low Frequency (〈 10 Hz) 7.3.2 Narrowband 7.3.3 Broadband 7.3.4 Tidal Variability 7.3.5 Summary of Acoustic Measurements 7.4 Other Sources of Ambient Noise 7.4.1 Microseisms 7.4.2 Local and Teleseismic Events 7.4.3 Biological Sources 7.4.4 Anthropogenic Sources 7.5 Measurement and Analysis Considerations 7.5.1 Flow Noise and Coupled Vibration 7.5.2 Sound Speed in Hydrothermal Fluid 7.5.3 Near Field vs Far Field 7.5.4 Hydrophone Array Measurements 7.6 Conclusion Nomenclature References Chapter 8 Atypical Signals: Characteristics and Sources of Short-Duration Events 8.1 Introduction 8.2 Signal Characteristics 8.3 Worldwide Distribution of SDEs 8.4 Observations and Studies Advancing SDE Understanding 8.4.1 Observations from Different Types of Ocean Bottom Instruments 8.4.2 Continuous Long-Term, Multidisciplinary Monitoring of Gas Emissions 8.4.3 Correlation with Acoustic Monitoring of Gas Emissions 8.4.4 Correlation with Earthquakes 8.4.5 Correlation with Tides 8.4.6 Controlled in situ and Laboratory Experiments 8.5 Discussion of SDE Potential Sources 8.5.1 Biological Origin 8.5.2 Action of Ocean/Sea Currents 8.5.3 Fluids in Near-Surface Sediments 8.5.4 Low-Magnitude Seismicity 8.5.5 Source Modeling 8.6 Conclusion Acknowledgments References Chapter 9 Short-Duration Events Associated With Active Seabed Methane Venting: Scanner Pockmark, North Sea 9.1 Introduction 9.2 Scanner Pockmark Complex 9.3 CHIMNEY Seismic Experiment 9.4 Methods 9.5 Results 9.6 Discussion 9.6.1 Characteristics of SDEs 9.6.2 Spatial Distribution of SDEs 9.6.3 Negative Correlation with the Tide 9.6.4 Efficiency of SDE Detection 9.7 Conclusion Acknowledgments References Chapter 10 Ambient Bubble Acoustics: Seep, Rain, and Wave Noise 10.1 Introduction 10.2 Bubbles as Acoustic Sources 10.2.1 The Injection of a Gas Bubble 10.2.2 Bubbles as Simple Harmonic Oscillators 10.2.3 Minnaert Frequency 10.3 Subsurface Gas Release 10.3.1 Gas-Seep Acoustics 10.4 Rainfall Acoustics 10.5 Acoustics of Breaking Waves 10.6 Conclusion Further Reading Appendix Symbology References Chapter 11 Baleen Whale Vocalizations 11.1 Introduction 11.1.1 Marine Mammal Classification 11.2 Physical Description of Sound and Its Conventions 11.2.1 Sound Pressure Level (SPL) 11.2.2 Source Level (SL) 11.2.3 Whale-Sound Analysis 11.3 Marine Mammal Vocalizations 11.3.1 Sirenia and Carnivora 11.3.2 Toothed Whales 11.3.3 Baleen Whales 11.4 Conclusions Acknowledgments References Chapter 12 Tracking and Monitoring Fin Whales Offshore Northwest Spain Using Passive Acoustic Methods 12.1 Introduction 12.1.1 Passive Acoustic Monitoring 12.1.2 Fin Whale Vocalizations 12.1.3 Data Available for This Study 12.2 Methods 12.2.1 Call Detection 12.2.2 Delay Estimation 12.2.3 Localization and Tracking 12.2.4 Kalman Filter 12.3 Results 12.3.1 Detections 12.3.2 Localization 12.3.3 Tracking 12.4 Discussion 12.5 Conclusions Acknowledgments References Chapter 13 Noise From Marine Traffic 13.1 Introduction 13.2 Underwater Radiated Noise 13.2.1 Sources of Shipping Noise 13.2.2 Measuring Radiated Noise 13.2.3 Modeling Underwater Radiated Noise 13.3 Noise Mapping 13.3.1 Modeling Shipping Contributions 13.3.2 Source Properties 13.3.3 Acoustic Propagation 13.3.4 Noise-Mapping Applications 13.4 Conclusion Acknowledgments References Chapter 14 Tracking Multiple Underwater Vessels With Passive Sonar Using Beamforming and a Trajectory PHD Filter 14.1 Introduction 14.2 Narrow-Band Signal Model 14.3 Detection via Beamforming and CA-CFAR 14.3.1 CBF 14.3.2 CA-CFAR 14.4 T
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  • 4
    Series available for loan
    Series available for loan
    Ottawa : Department of Energy, Mines and Resources, Geological Survey of Canada
    Call number: AWI G3-20-94305
    Description / Table of Contents: The primary objective of this study was to obtain reconnaissance data about modern river and coastal environments for the Yukon coastal plain between the Mackenzie Delta and the Alaskan border that would be useful in future decision making about development of the area.
    Type of Medium: Series available for loan
    Pages: 245 Seiten , Illustrationen, Karten , 6 Karten
    Series Statement: Report / Environmental-Social Committee. Northern Pipelines. Task Force on Northern Oil Development 73,39
    Language: English
    Note: CONTENTS SUMMARY 1.1. Objectives of the Study 1.1.1. River Objectives. 1.1.2. The Coastal Objectives 1.2. Scientific Conclusions 1.2.1. Rivers 1.2.2. Coast 1.3. Implications and Reconnnendations 1.3.1. Rivers 1.3.2. Coast 2 INTRODUCTION 2.1. General Nature and Scope of Study 2.2. Specific Objectives 2.2.1. Rivers 2.2.2. Coast 2.3. Relevance to Pipeline Development 2.4. Acknowledgements 3. CURRENT STATE OF KNOWLEDGE 4. STUDY AREA 4.1. Physiography 4.2. Climate 4.3. General Geology 5. SOURCES, METHODS, AND RATIONALE OF DATA COLLECTION 5.1. Rivers 5.1.1. Drainage Basin Characteristics Area Shape Hypsometry Hydrograph estimation 5.1.2. River Valleys 5.1.3. River Channels 5.1.4. River Hydraulics and Discharge Estimation 5.1.5. Sediment Transport Bedload Suspended and dissolved load 5.1.6. Channel Stability Bed Scour Lateral Stability 5.2. Coast 5.3. Laboratory Techniques 6. RESULTS 6.1. Rivers 6.1.1. Drainage Basin Characteristics Area Shape Hypsometry Hydrology and hydrograph estimation 6.1.2. River valley and long profiles 6.1.3. Channel pattern and channel form 6.1.4. River hydraulics and discharge estimation 6.1.5. Sediment transport Bedload Suspended and dissloved load 6.1.6 Channel stability Bed scour Lateral stability 6.2. Coast 6.2.1. Sea-ice conditions General pattern during summer season Break-up 6.2.2. Coastal erosion Introduction Alaska borer to mouth of Firth River Herschel Island Herschel Island to the Babbage River delta Kay Point to King Point King Point to Sabine Point Sabine Point to Blow River delta 6.2.3. Coastal sedimentation General patterns of near-shore sediment movement Beaches and spits - general form and sediment types Areal variations and stability of near-shore sediment bodies International border to Komakuk Beach Komakuk Beach to Herschel Island Herschel Island Herschel Island to Babbage River delta Kay Point spit Kay Point to Sabine Point Sabine Point to Blow River delta 6.2.4. Major coastal deltas Firth River fan delta Babbage River delta Running River delta Blow River delta 7. DISCUSSION 7.1. Rivers 7.2. Coast 8. CONCLUSIONS 8.1. Rivers 8.2. Coast 9. IMPLICATIONS AND RECOMMENDATIONS 9.1. Rivers 9.1.1. General scientific 9.1.2. Matters relevant to pipeline activity 9.2. Coast 9.2.1. General scientific 9.2.2. Matters relevant to pipeline activity 10. NEEDS FOR FURTHER STUDY 11. REFERENCES 12. NOTATIONS AND ABBREVIATIONS 13. APPENDIX: HYDRAULIC, SEDIMENTOLOGIC AND GEOMORPHIC DATA FOR EACH RIVER REACH STUDIED
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  • 5
    Monograph available for loan
    Monograph available for loan
    København : Reitzel
    Associated volumes
    Call number: AWI Bio-97-0158
    In: Meddelelser om Grønland, Band 194, Nr. 5
    Description / Table of Contents: In material collected in 1957 and 1970 in localities situated between 59°44'N and 61°22'N in SW Greenland a total of 465 oligohalobous diatoms and 260 mesohalobous and polyhalobous diatoms is shown, 4 nov. var. and 4 nov. fo. included. A great number of the species and their varities are not previously shown in Greenland. Chemical analyses of 31 water samples are given. 439 photos of 284 different diatoms (193 oligohalobous and 91 mesohalobous or polyhalobous forms) are reproduced in 29 plates.
    Type of Medium: Monograph available for loan
    Pages: 84 Seiten , Illustrationen
    Series Statement: Meddelelser om Grønland 194,5
    Language: English
    Note: Contents: Preface. - Introduction. - Water samples and water analyses. - Localities and samples. - Taxonomy. - A. Freshwater diatoms. - B. Brackish- and salt-water diatoms. - Literature. - Plates.
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  • 6
    Call number: AWI G5-99-0095
    In: Quaternary Research, Volume 3, Issue 2
    Type of Medium: Monograph available for loan
    Pages: Seite 155-205 , Illustrationen , 30 cm
    ISSN: 0033-5894 (Print) , 1096-0287 (Online)
    Series Statement: Quaternary Research 3,2
    Language: English
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  • 7
    Series available for loan
    Series available for loan
    Hanover, NH : Corps of Engineers, U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-309
    In: Research report
    Description / Table of Contents: CONTENTS: Preface. - Symbols. - Introduction. - Physical setting. - Flow model. - Calculated flow. - Existing profile. - Proposed profiles. - Profile 1. - Profile 2. - Profile 3. - Profile 4. - Profile 5. - Profile 6. - Profile 7. - Total excavation. - Interpretation and conclusions. - Sources of error. - Recommendations. - Literature cited. - Appendix A. - Abstract.
    Description / Table of Contents: The Marcona Corporation and Kryolitselskabet ?resund, A/S (a Danish corporation) are cooperatively investigating the possibility of developing an open-pit mine along the edge of the Greenland Ice Cap. The response of the glacier to a sudden change in surface slope and thickness is calculated. The existing flow is diverted away from the mineral deposit but will increase when the excavation begins. It is calculated that 66 million cubic meters of ice must be removed in order to establish a stable profile beyond the pit. An additional 7.9 million cubic meters of ice must be removed yearly in order to maintain the profile.
    Type of Medium: Series available for loan
    Pages: v, 25 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory, CRREL, US Army Material Command 309
    Language: English
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  • 8
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    Hanover, NH : Corps of Engineers, U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-306
    In: Research report
    Description / Table of Contents: CONTENTS: Introduction. - 1. Coastal stations. - Alaska. - Canada. - Greenland. - Europe and Russia. - II. The interior Arctic Ocean. - Zone 1. - Zone 2.. - Zone 3. - Zone 4. - Zone 5. - Zone 6.. - Summary and discussion. - Supplemental data. - Literature cited. - Appendix A. Winds. - Appendix B. Arctic surface winds. - Appendix C. Excerpt from Cold Regions Science and Engineering, USA CRREL Monograph I-A3b. - Appendix D. Excerpt from Proceedings of the Arctic Basin Symposium October 1962. - Abstract.
    Description / Table of Contents: Prevailing monthly and seasonal surface wind directions were obtained from 1) weather records for 21 coastal stations around the Arctic Ocean and 2) a series of U.S. Navy wind charts for 15 to 20 locations in the arctic marginal seas and the ocean's interior. This information was combined and analyzed to develop 2 charts which depict the surface flow of air in these areas during the mid-summer and mid-winter months. Since the ice floe stations used in the offshore wind analysis are not permanently located, the Arctic Ocean was selectively divided into 6 zones. Three of these zones separate Polar regions north of 84°N latitude, and 3 other zones each separate the seas bordering the north coasts of Europe, Siberian Russia and North America. Except for a few stations where wind directions are apparently controlled by local influences the results showed the following mid-winter patterns: 1) a near anticlockwise flow within the circle north of 75°N, 2) winds from the north in and near the Chukchi and Bering Seas, 3) northeast winds along the Alaskan coast and northwest along the Canadian Archipelago Islands, and 4) southwest and southeast winds along the northern coasts of Europe and Asia respectively. Although the wind directions during mid-summer become more variable the study showed that the prevailing surface winds for most areas in this season are nearly opposite those observed in winter.
    Type of Medium: Series available for loan
    Pages: iii, 55 Seiten , Illustrationen, Karten
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory, CRREL, US Army Material Command 306
    Language: English
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  • 9
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    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-313
    In: Research report
    Description / Table of Contents: CONTENTS: Preface. - Nomenclature. - Introduction. - Funicular regime. - Grain growth. - Grain contacts. - Densification. - Pendular regime. - Discussion and conclusions. - Literature cited. - Abstract.
    Description / Table of Contents: Grain growth, bond growth and densification of wet snow are described in terms of the distribution of equilibrium temperature in the snow matrix. At high water saturations the equilibrium temperature increases with grain size; hence, small particles melt away as large particles grow. Melting also occurs at the intergrain bonds, causing a low strength and rapid densification. At low saturations the equilibrium temperature is determined by the capillary pressure and the particle sizes have only a second order effect. Therefore, grain growth proceeds slowly and, even at large overburden pressures, no intergrain melting occurs. At low saturations the water "tension" acts through a finite area, thus large attractive forces exist between the grains, and the strength of the snow matrix is large.
    Type of Medium: Series available for loan
    Pages: v, 13 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory, CRREL, US Army Material Command 313
    Language: English
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  • 10
    Call number: ZSP-202-315
    In: Research report
    Description / Table of Contents: CONTENTS: Preface. - Introduction. - Part 1:Mesoscale strain measurements on the Beaufort Sea pack ice. - Abstract. - Introduction. - Previous work. - Site location. - Results. - Correlation of synoptic aerial photography with measured strains. - Correlation of estimated wind stress and strain. - Conclusions. - Literature cited. - Part II: Structure of a multiyear pressure ridge. - Abstract. - Introduction. - Profiles. - Internal properties. - Largest ridge sail. - Conclusions. - Literature cited. - Part III: Top and bottom roughness of a multiyear ice floe. - Abstract. - Introduction. - Results. - Literature cited. - Part IV:Airphoto analysis of ice deformation in the Beaufort Sea Abstract. - Introduction. - Study area. - Method of analysis. - Ice deformations. - Net deformational changes. - Pressure ridge distribution. - Summary and conclusions. - Literature cited. - Part V: Data on morphological and physical characteristics of sea ice in the Beaufort Sea.
    Description / Table of Contents: Mesoscale strain measurements on the Beaufort Sea pack ice; Structure of a multiyear pressure ridge; Top and bottom roughness of a multiyear ice floe; Airphoto analysis of ice deformation in the Beaufort Sea; Data on morphological and physical characteristics of sea ice in the Beaufort Sea.
    Type of Medium: Series available for loan
    Pages: iii, 66 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory, CRREL, US Army Material Command 315
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  • 11
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    Hanover, NH : Corps of Engineers, U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-311
    In: Research report
    Description / Table of Contents: CONTENTS: Preface. - Notation. - Introduction. - Review of observations. - Review of theory. - Water flow through textured layers. - Water flow past semipermeable layers. - Discussion. - Literature cited. - Abstract.
    Description / Table of Contents: The flow of water through layered snowpacks is discussed. A method for predicting flow through unsaturated layers is given. The flow along ice layers and through ice layers is analyzed in terms of the slope, permeability, thickness and length of the layers. It is shown that the permeability of ice layers required to cause large flow diversions is quite small. The effect of slope is large even at small angles.
    Type of Medium: Series available for loan
    Pages: v, 15 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory, CRREL, US Army Material Command 311
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  • 12
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    Hanover, NH : Corps of Engineers, U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-308
    In: Research report
    Description / Table of Contents: CONTENTS: Introduction. - Sea ice as a material. - Experimental procedures. - Results and analysis. - Conclusion. - Literature cited. - Appendix A. Error analysis. - Abstract.
    Description / Table of Contents: An investigation is made into the determination of the relationship between the extinction coefficient and the salinity of sea ice. A HeNe laser is used to propagate a beam of red light, of wavelength 6328Å, through a series of ice samples at -20°C. The optical extinction coefficients were calculated and plotted against the measured salinities. The results of the experiment indicated an exponential relationship between extinction coefficient and salinity. The relationship may be described by the equation: y = 2.41 + 0.001 exp (1.19x) where y is the extinction coefficient and x is the salinity.
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    Pages: iii, 15 Seiten , Illutrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory, CRREL, US Army Material Command 308
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  • 13
    Call number: ZSP-683-59
    In: Rapport = Report
    Description / Table of Contents: Shell-bearing marine sediments in the Nordre Strømfjord area belong to two lithofacies, calcareous sandy gravels and calcareous muddy sands, and to four biofacies comparable to modern communities and related to the sediment lithology: epifaunal benthic and infaunal benthic facies, a current reworked 'mixed' facies and a Portlandia - Propeamussium facies. Radiocarbon dates on nine samples provide a poorly defined model of the glacio-isostatic emergence of the region. The implications of such models and their physical validity are considered in the context of these and other data, and it is suggested that curves for uplift deceleration are a useful means of obtaining the exponential constant k.
    Type of Medium: Series available for loan
    Pages: 20 S. : graph. Darst., Kt.
    Series Statement: The Geological Survey of Greenland : Report 59
    Language: English
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  • 14
    Call number: ZSP-553-198,4
    In: Meddelelser om Grønland
    Type of Medium: Monograph available for loan
    Pages: 245 S. : Ill., graph. Darst.
    Series Statement: Meddelelser om Grønland 198,4
    Language: English
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  • 15
    Series available for loan
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    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-312
    In: Research report
    Description / Table of Contents: CONTENTS: Preface. - Nomenclature. - Introduction. - Test specimen. - Equipment and procedure. - Test chamber. - Error of eccentricity. - Equipment. - Procedure. - Results. - Tensile strength. - Fracture. - Discussion. - Uniaxial tensile strength. - Brazil test. - Comparison with theory. - Conclusions. - Literature cited. - Appendix A. Test results. - Abstract.
    Description / Table of Contents: An investigation was conducted to determine the effect of a compressive stress on the tensile strength of bubbly polycrystalline ice. One hundred forty-five tests were made in an apparatus of novel design. A cylindrical dumbbell specimen was stressed in axial tension and radial and tangential compression by a hydraulic system which minimized bending stresses. Compression-tension ratios ranging from 0.21 to 10.14 were used for the tests. Tensile strength was found to decrease with an increase in the ratio. At the ratio of 3.155 the tensile strength is about one third the uniaxial value. The test results support the evidence that the Brazil test underestimates the tensile strength for ice. They also indicate that the Brazil test value for ice can be no greater than one third the uniaxial tensile strength. A comparison of the experimental results with a few prominent biaxial failure theories indicates a lower tensile strength than predicted by any theory. However, the best approximation to the results is the Coulomb-Mohr criterion.
    Type of Medium: Series available for loan
    Pages: iv, 21 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory, CRREL, US Army Material Command 312
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  • 16
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    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-310
    In: Research report
    Description / Table of Contents: CONTENTS: Introduction. - Field sites and procedures. - Results. - Discussion. - Conclusions. - Literature cited. - Appendix A: Tabulation of AIDJEX core data. - Appendix B: Tabulation of average salinity/ice thickness data. - Abstract.
    Description / Table of Contents: The salinity distribution in multiyear sea ice is dependent on the ice topography and cannot be adequately represented by a single average profile. The cores collected from areas beneath surface hummocks generally showed a systematic increase in salinity with depth from 0 0/00 at tne surface to about 4 0/00 at the base. The cores collected from areas beneath surface depressions were much more saline and displayed large salinity fluctuations. Salinity observations from sea ice of varying thicknesses and ages collected at various arctic and subarctic locations revealed a strong correlation between the average salinity of the ice, S, and the ice thickness, h. For salinity samples collected from cold sea ice at the end of the growth season, this relationship can be represented by two linear equations: S = 14.24 - 19.39h (h? 0.4 m) ; S = 7.88 - 1.59h (h 〉 0.4 m) . It is suggested that the pronounced break in slope at 0.4 m is due to a change in the dominant brine drainage mechanism from brine expulsion to gravity drainage. A linear regression for the data collected during the melt season gives S = 1.58 + 0.18h. An annual cyclic variation of the mean salinity probably exists for multiyear sea ice. The mean salinity should reach a maximum at the end of the growth season and a minimum at the end of the melt season.
    Type of Medium: Series available for loan
    Pages: iii, 23 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory, CRREL, US Army Material Command 310
    Language: English
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  • 17
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    Hanover, NH : Corps of Engineers, U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-307
    In: Research report
    Description / Table of Contents: CONTENTS: Introduction. - Part 1.The concept of isotropy clarified by the introduction of non-coaxial mechanics. - Part 2. Systematization of the theory of plasticity with indefinite angle of non-coaxiality. - Analysis of stress. - Analysis of strain-rate. - Principle of partial coincidence. - Strain-rate characteristic directions. - Equations for practical use. - Conclusion. - Literature cited. - Appendix A.The sense of the [Sigma],[Gamma] coordinate system. - Appendix B. Another derivation of the equations of velocity components. - Appendix C. Equations of velocity components in stress characteristic directions.
    Description / Table of Contents: One of the difficulties that have hampered the development of the mathematical theory of soil plasticity was recently overcome by Mandl and Luque. They showed that the non-coaxiality of the principal axes of a stress tensor and a strain-rate tensor can occur only in plane deformation. Their assumption that the angle of non-coaxiality should be a material constant cannot be supported, however. The angle of noncoaxiality should be determined so that the solution to the given problem can exist. It is demonstrated in one of the examples in this paper that a well-known solution in which the angle of non-coaxiality is assumed to be zero does violate the assumed boundary condition. The theory was reorganized bv using new insights given by Mandl and Luque. It is concluded that still missing is one condition that enables us to determine the angle of non-coaxiality as a function of space.
    Type of Medium: Series available for loan
    Pages: iii, 31 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory, CRREL, US Army Material Command 307
    Language: English
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  • 18
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    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-314
    In: Research report
    Description / Table of Contents: CONTENTS: Introduction. - Previous work. - Sea ice terrain model. - Traffic ability model. - Analytic calculation of DT/DSL. - Monte Carlo calculation. - Results of traffic ability computations. - Experimental traffic ability ratios using ridge overlays. - Regional variations in ridging intensity. - Additional traffic ability aspects of sea ice. - Shear zone and rubble fields. - Linear lead systems. - Conclusions. - Literature cited. - Appendix A. Distribution of the lateral extent of ridges. - Abstract.
    Description / Table of Contents: A sea ice terrain model, based upon previously tested height and spacing distributions for sea ice pressure ridging, is developed. Using this model, and additional information on pressure ridge extents, a trafficability model for vehicles traversing the pack ice is developed. Both analytic and Monte Carlo calculations of vehicle trafficability, measured in terms of the average ratio of the total distance traveled over a straight-line distance, are performed. The calculations include cul-de-sacs due to ridge intersections. The trafficability ratio is given as a function of ridge-height-clearance ability of the vehicle and of ridging parameters which may be obtained from laser profiles of the arctic pack ice. Results are in good agreement with simulated routes through sea ice terrain taken from aerial photo mosaics. Contour plots of ridging parameters taken from laser profilometry are also supplied. These plots, together with the trafficability model, supply mobility information for the whole of the western portion of the Arctic Basin.
    Type of Medium: Series available for loan
    Pages: iii, 21 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory, CRREL, US Army Material Command 314
    Language: English
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  • 19
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    Hanover, NH : Corps of Engineers, U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-243
    In: Research report / Cold Regions Research and Engineering Laboratory, CRREL, US Army Material Command, 243
    Description / Table of Contents: The internal friction of single-crystal ice has been attributed to reorientation of the water molecule under periodic stress. However, the theory for damped dislocations, which offers another mechanism for the internal friction of ice, has not been investigated. The effects of scratching the surface of 41 ice samples and X-irradiating and plastically deforming them were evaluated. The effects observed on the internal friction of pure, single-crystal ice, in the flexure mode of oscillation between 400 and 1400 Hz, supported the existence of a dislocation-controlled mechanism, with the drag produced by the interaction of the dislocation with the protons in the crystal. In addition, analysis of the detailed shape of the data curve showed two peaks of tan delta as a function of temperature. The second peak, which had not been previously reported, had an activation energy of 0.16 eV and a relaxation time of 1.7 x 10^8 sec at infinite temperature. These experiments indicated that both peaks vrere controlled by the dislocation mechanism described above.
    Type of Medium: Series available for loan
    Pages: iv, 41 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory, CRREL, US Army Material Command 243
    Language: English
    Note: CONTENTS: Introduction. - Previous work. - Previous theory. - Internal friction of a crystal. - Granato-Lücke theory of dislocation damping. - Double kink mechanism. - Mechanisms not involving dislocations. - Experimental work. - Experimental approach. - Experimental apparatus. - Mode of oscillation. - Automated system. - Support, acoustic isolation, and temperature control. - Sample preparation. - X-ray apparatus. - Data analysis. - Stage I. - Stage II. - Stage III. - Experimental results and discussion. - The second peak. - Interpretation of scratching, X-irradiation, and plastic deformation. - Scratching. - X-irradiation. - Plastic deformation. - Supporting research. - Interpretation of the two peaks. - Conclusions. - Literature cited. - Appendix A: Computer programs. - Abstract.
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  • 20
    Call number: AWI A7-94-0327 ; MOP Per 8(7)
    In: Annalen der Meteorologie, Nr. 7
    Type of Medium: Series available for loan
    Pages: X, 346 S.
    ISSN: 0072-4122
    Series Statement: Annalen der Meteorologie 7
    Language: English
    Note: Contents: Preface. - Foreword. - Chapter 1 The Planetary Boundary-Layer: Definitions and Equations. - Chapter 2 Some Problems in Modelling the Planetary Boundary-Layer. - The Problem of Closing the System of the PBL-Equations. - Models Based on a Hypothesis for the Profile of the Eddy Viscosity. - Models Based on a Hypothesis for the Mixing-Length. - A Mixing-Length Hypothesis for the Planetary Boundary-Layer Flow in the Atmosphere - Beitr. Phys. Atm., 44, 215-226, 1971. - Note on the Upper Boundary Conditions. - A Note on a Method for Solving the Planetary Boundary-Layer Equations - Beitr. Phys. Atm. 44, 293-296, 1971. Chapter 3 The Structure of the Planetary Boundary-Layer. - The Eddy Viscosity in a Barotropic Planetary Boundary-Layer as Related to the Turbulent KineticEnergy - Beitr. Phys. Atm., 44,127-136, 1971. - Rossby-Number Similarity in the Planetary Boundary-Layer. - A Note on the Rossby Similarity for Flows of Barotropic Planetary Boundary-Layers (with D. YORDANOV) - Beitr. Phys. Atm., 45, 66-71, 1972. - Universal Profiles in the Barotropic Planetary Boundary-Layer - Beitr. Phys. Atm., 45, 148-163, 1972. - Note on the Energy Budget in the PBL. - Layers with a Reduced Eddy Viscosity Caused by the Baroclinicity (with D. YORDANOV) - Beitr. Phys. Atm., 45, 267-275, 1972. - The Wind Profile Very Close to the Ground - Beitr. Phys. Atm., 46, 57-63, 1973. - Numerical Study on the Effects Controlling the Low-Level Jet - Beitr. Phys. Atm., 46, 137-154, 1973. - Chapter 4 The Parameterization of PBL - Effects with the Aid of the Resistance Law. - The Resistance Law for the Planetary Boundary Layer. - The Two Constants in the Resistance Law for a Neutral Barotropic Boundary Layer of the Atmosphere - Beitr. Phys. Atm., 43, 133-140, 1970. - Note on a Paper by F. Wippermann "The Two Constants in the Resistance Law for a Neutral Barotropic Boundary Layer of the Atmosphere" by R. J. TAYLOR - Beitr. Phys. Atm., 44, 69, 1971. - Reply by F. Wippermann. - Empirical Formulae for the Universal Functions Mm (μ) and N (μ) in the Resistance Law for a Barotropic and Diabatic Planetary Boundary Layer - Beitr. Phys. Atm., 45, 305-311, 1972. - The Parameterization of the Turbulent Fluxes of Momentum, Heat and Moisture at the Ground in a Baroclinic Planetary Boundary Layer (with D. YORDANOV) - Beitr. Phys. Atm., 45, 58-65, 1972. - Baroclinic Effects on the Resistance Law for the Planetary Boundary Layer of the Atmosphere - Beitr. Phys. Atm., 45, 244-259, 1972. - A Note on the Parameterization of the Large-Scale Wind stress at the Sea Surface - Beitr. Phys. Atm., 45, 260-266, 1972. - Problems which still have to be solved before the resistance laws can be applied. - Chapter 5 Non-Stationary and/or Horizontally Non-Homogeneous Boundary-Layers. - The Effects of Non-Stationarity on the Planetary Boundary-Layer (with D.ETLING and H.LEYKAUF) - Beitr. Phys. Atm. 46, 34-56, 1973. - Boundary-Layers with a Change in the Roughness - Length and/or in the Temperature: A Bibliographical Survey. - Chapter 6 The Dynamic Instability of the Atmospheric Boundary Layer. - The Orientation of Vortices Due to Instability of the Ekman Boundary-Layer - Beitr. Phys. Atm., 42, 225-244, 1969. - The Stability of an Ekman Boundary-Layer Flow as Influenced by the Thermal Stratification (in Germ.) by D.ETLING - Beitr. Phys. Atm., 44, 168-186, 1971. - Chapter 7 The Dispersion of Windborne Material in the Planetary Boundary-Layer. - A Perspective for a Routine Prediction of Concentration Patterns (with D. YORDANOV) - Atm. Environm., 6, 877-888, 1972. - Time-Dependent Concentrations of Dispersed Material Compared with those of the Corresponding Stationary Cases (in Germ.) - Meteor. Rdsch., 26, 11-18, 1973. - Meteorological Parameters Relevant in a Statistical Analysis of Air Quality Data. - List of Symbols. - Author Index.
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  • 21
    Monograph available for loan
    Monograph available for loan
    Washington
    Call number: AWI G3-99-0289
    Type of Medium: Monograph available for loan
    Pages: 20 S.
    Series Statement: Quaternary Research 3, 1973
    Language: English
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