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  • 1
    Monographie ausleihbar
    Monographie ausleihbar
    Hamburg : Selbstverlag
    Dazugehörige Bände
    Signatur: PIK N 456-98-0228/2
    In: Entwicklung von Klimamodellen ; Forschungsbericht 104 02 612
    Materialart: Monographie ausleihbar
    Seiten: 27 S.
    Serie: Entwicklung von Klimamodellen Forschungsbericht 104 02 612
    Standort: A 18 - Bitte bestellen
    Zweigbibliothek: PIK Bibliothek
    Standort Signatur Erwartet Verfügbarkeit
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  • 2
    Monographie ausleihbar
    Monographie ausleihbar
    Hamburg : Selbstverlag
    Dazugehörige Bände
    Signatur: PIK N 456-98-0228/1
    In: Entwicklung von Klimamodellen ; Forschungsbericht 104 02 612
    Materialart: Monographie ausleihbar
    Seiten: 27 S.
    Serie: Entwicklung von Klimamodellen Forschungsbericht 104 02 612
    Standort: A 18 - Bitte bestellen
    Zweigbibliothek: PIK Bibliothek
    Standort Signatur Erwartet Verfügbarkeit
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  • 3
    Signatur: SR 90.1039(12)
    In: Land Resources Management technical paper
    Materialart: Schriftenreihen ausleihbar
    Seiten: 10 S.
    ISBN: 0643029737
    Serie: Land Resources Management technical paper 12
    Sprache: Englisch
    Standort: Kompaktmagazin unten
    Zweigbibliothek: GFZ Bibliothek
    Standort Signatur Erwartet Verfügbarkeit
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  • 4
    Monographie ausleihbar
    Monographie ausleihbar
    Leningrad : Gidrometeoizdat
    Signatur: AWI G7-82-0934
    Materialart: Monographie ausleihbar
    Seiten: 191 S. : Abb. ; 23 cm
    Zweigbibliothek: AWI Bibliothek
    Standort Signatur Erwartet Verfügbarkeit
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  • 5
    Signatur: SR 90.0009(388)
    In: Memoir
    Materialart: Schriftenreihen ausleihbar
    Seiten: 48 S. + 3 pl.
    ISBN: 0660105985
    Serie: Memoir / Geological Survey of Canada 388
    Sprache: Englisch
    Standort: Kompaktmagazin unten
    Zweigbibliothek: GFZ Bibliothek
    Standort Signatur Erwartet Verfügbarkeit
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  • 6
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Dazugehörige Bände
    Signatur: ZSP-201-82/34
    In: CRREL Report, 82-34
    Beschreibung / Inhaltsverzeichnis: The ice discharge through an opening in an ice control structure was documented to be a function of the floe size, ice type, ice floe conditions and vessel direction. The model data for the average ice discharge per vessel transit scaled to prototype values compared favorably with data taken at the St. Marys River ice control structure (ICS). The model results of the force measurements were also consistent with data taken at the St. Marys ICS. The dynamic loading conditions were independent of vessel direction. The dynamic loading to the structure using 3 types of ice (plastic, natural and urea-doped) showed a considerable difference in their means and standard deviations. The urea-doped ice was evaluated for dynamic loading conditions, and reasonable peak values of 3 to 5 times the mean load at each measuring position were recorded, independent of vessel direction. It appears that synthetic random ice floes may be used in model studies where ice discharge through an opening in a structure needs to be documented. This study shows the synthetic random ice floe discharge to fall reasonably within the values obtained for natural ice discharge for both rafted and non-rafted ice fields above the ICS. However, the question of whether synthetic ice can be used for analyzing force distributions and dynamic force loading criteria cannot be fully answered at this time because the load distributions of the synthetic and natural floes appear to differ.
    Materialart: Schriftenreihen ausleihbar
    Seiten: 68 Seiten , Illustrationen
    Serie: CRREL Report 82-34
    Sprache: Englisch
    Anmerkung: CONTENTS Abstract Preface Introduction Scope of work Ice discharge from Lake Huron into St. Clair River Water velocity profiles at Port Huron Ice conditions Physical model Basis for selection Description Instrumentation Model ice control structure Open water calibration Open water tests Experimental procedures and techniques Ice cover calibration Ice control structure orientation Analysis of ice discharge due to ship transits Natural ice Synthetic ice Forces on the ice control structure Static measurements Dynamic force measurements Potential additional shear stresses Anticipated ice conditions with ICS Conclusions Literature cited Appendix A. Application of model results Appendix B. Suggested additional studies Appendix C. Derivation of ice discharge
    Standort: AWI Archiv
    Zweigbibliothek: AWI Bibliothek
    Standort Signatur Erwartet Verfügbarkeit
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  • 7
    Schriftenreihen ausleihbar
    Schriftenreihen ausleihbar
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Dazugehörige Bände
    Signatur: ZSP-201-82/9
    In: CRREL Report, 82-9
    Beschreibung / Inhaltsverzeichnis: This study deals with the distribution of forces along the converging boundaries of the Port Huron, Michigan, region where unconsolidated ice in Lake Huron is held against wind and water stresses. An experimental basin was built to induce uniform shear stress on the model ice cover by flowing water beneath the ice. The boundary segments, which held the ice cover in the region, were instrumented to measure force in the normal and tangential directions. The distribution of normal forces along the boundary was compared with as distribution derived by using a theoretical model. An ice control structure (ICS) was installed in the basin and experiments were conducted to measure the forces on the ICS and the ice release through the opening in the ICS during simulated ship passages. The experimental results are presented in a nondimensional form. In addition, the force per unit length on the ICS and the area of ice released through its opening were estimated for the expected wind conditions at the Port Huron site.
    Materialart: Schriftenreihen ausleihbar
    Seiten: v, 27 Seiten , Illustrationen
    Serie: CRREL Report 82-9
    Sprache: Englisch
    Anmerkung: CONTENTS Abstract Preface List of symbols Introduction Theoretical models Case 1 Case 2 Case 3 Experimental program Experimental facility Scaling factors Experimental results Analysis of wind data for lower Lake Huron Summary and conclusions Release of ice through the opening of an ICS Ice forces on the ice control structure Ice forces on ice control structure from a large unconsolidated ice cover Literature cited Appendix A. Equation for the stress resultants and velocities of the ice cover Appendix B. Monthly summary of wind data at Port Huron
    Standort: AWI Archiv
    Zweigbibliothek: AWI Bibliothek
    Standort Signatur Erwartet Verfügbarkeit
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  • 8
    Schlagwort(e): DDC 511/.3 ; LC QA9.6
    Seiten: Online-Ressource (vii, 342 pages)
    ISBN: 9780444864659
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 9
    Schlagwort(e): Conservation biology. ; Ecology . ; Biotic communities. ; Population biology. ; Animal migration. ; Conservation Biology. ; Theoretical and Statistical Ecology. ; Community and Population Ecology. ; Animal Migration.
    Beschreibung / Inhaltsverzeichnis: Chapter 1. The conservation issue -- Chapter 2. Development of hierarchical spatial models for assessing ungulate abundance and habitat relationships -- Chapter 3. Model-based assessment of ungulate-habitat relationships -- Chapter 4. Assessing threats to ungulates and management responses -- Chapter 5. Conservation of tropical forest ungulates: the way forward.
    Kurzfassung: Large ungulates in tropical forests are among the most threatened taxa of mammals. Excessive hunting, degradation of and encroachments on their natural habitats by humans have contributed to drastic reductions in wild ungulate populations in recent decades. As such, reliable assessments of ungulate-habitat relationships and the spatial dynamics of their populations are urgently needed to provide a scientific basis for conservation efforts. However, such rigorous assessments are methodologically complex and logistically difficult, and consequently many commonly used ungulate population survey methods do not address key problems. As a result of such deficiencies, key parameters related to population distribution, abundance, habitat ecology and management of tropical forest ungulates remain poorly understood. This book addresses this critical knowledge gap by examining how population abundance patterns in five threatened species of large ungulates vary across space in the tropical forests of the Nagarahole-Bandipur reserves in southwestern India. It also explains the development and application of an innovative methodology – spatially explicit line transect sampling – based on an advanced hierarchical modelling under the Bayesian inferential framework, which overcomes common methodological deficiencies in current ungulate surveys. The methods and results presented provide valuable reference material for researchers and professionals involved in studying and managing wild ungulate populations around the globe. .
    Materialart: Online-Ressource
    Seiten: XXVII, 195 p. 46 illus., 16 illus. in color. , online resource.
    Ausgabe: 1st ed. 2021.
    ISBN: 9789811569340
    DDC: 333.9516
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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  • 10
    Schlagwort(e): Nervous system Surgery. ; Radiology. ; Biophysics. ; Nervous system Radiography. ; Neurology . ; Neurosciences. ; Neurosurgery. ; Radiology. ; Biophysics. ; Neuroradiology. ; Neurology. ; Neuroscience.
    Beschreibung / Inhaltsverzeichnis: Foreword -- Preface -- Introduction -- 1. Physics and radiation dosage issues in neuroradiosurgical treatment of meningiomas -- 2. Imaging Approaches for radiosurgical treatment of Meningiomas -- 3. MEDICAL MANAGEMENT OF MENINGIOMAS -- 4. Systemic Treatments for Grade II and III Meningiomas (WHO) -- 5. Gamma Knife Radiosurgery for Posterior Cranial Fossa Meningioma -- 6. Stereotactic Radiosurgery for Cavernous Sinus Meningiomas -- 7. Hypofractionated radiosurgery for perioptic meningiomas: Current practice, principles and treatment quandary -- 8. Hypofractionation and normofractionation in Skull Base Meningiomas -- 9. Atypical and anaplastic meningiomas: is there a role for stereotactic radiosurgery? -- 10. CyberKnife Treatment of Atypical Meningiomas (GII) -- 11. SRS & Microsurgery: antagonistic or complementary in the treatment of meningiomas? -- 12. Combined microsurgical and radiosurgical treatment in intracranial meningiomas -- 13. SRS in Incidental Meningioma: Whether to Treat and When -- 14. Side-effects of SRS treatment of low-grade meningioma: types, frequency and management -- 15. Single- and Multiple-Session Radiosurgery for Spinal Meningioma: Radiosurgery for spinal meningioma -- 16. Guidelines and evidence-based recommendations for the radiosurgical treatment of CNS meningiomas.
    Kurzfassung: Meningiomas are the most frequently reported neuro-oncologic condition, accounting for 12% to 30% of all primary intracranial tumors. The first case of intracranial meningioma treated with stereotactic radiosurgery was reported by Backlund E-O in 1971. Since then, more than 200,000 meningiomas have been treated with stereotactic radiosurgery worldwide to date. The large number of patients treated using this method is due to the fact that meningiomas are frequently located in critical areas and microsurgery is often associated with severe and permanent neurological complications. This book discusses the advantages, risks and limits of stereotactic radiosurgery relating to all regions of interest for a neuroradiosurgical approach for the treatment of central nervous system meningiomas. Firstly, it presents an introduction focusing on the “state of the art”. It then discusses the physics, imaging, neurological and neuro-oncological issues in multidisciplinary management. Lastly, it features a summary of results, including the most recent published papers regarding all the locations involved in the stereotactic radiosurgery treatment as well as new approaches to meningiomas, with particular reference to the hypofrationated treatments. Intended for anyone involved in the neuroradiosurgical treatment of brain diseases, the book provides an up-to-date overview of the latest stereotactic radiosurgery treatment of central nervous system meningiomas.
    Materialart: Online-Ressource
    Seiten: X, 160 p. 30 illus., 25 illus. in color. , online resource.
    Ausgabe: 1st ed. 2021.
    ISBN: 9783030794194
    DDC: 617.48
    Sprache: Englisch
    Standort Signatur Erwartet Verfügbarkeit
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