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  • 2015-2019  (402)
  • 2000-2004  (163)
  • 1980-1984  (68)
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  • 1
    Monograph available for loan
    Monograph available for loan
    The last great ice sheets (1981)
    New York [u.a.] : Wiley
    Details Availability
    Call number: AWI G7-93-0181/1 ; AWI G7-93-0181/2
    Description / Table of Contents: Contents: Chapter 1 Late Weichselian lce Sheets in Eurasia and Greenland / Bjöm G. Andersen. - NORTHERN EUROPE. - Holland. - Germany. - Denmark. - Sweden. - Finland. - Poland. - Western USSR (including Baltic SSR). - Northwestern USSR. - Norway. - North Sea. - British Isles. - lceland. - SOUTHERN EUROPE. - BARENTS SEA AND ARCTIC ISLANDS. - ASIA. - GREENLAND. - REFERENCES CITED. - Chapter 2 Late Wisconsin Ice Sheets of North America / Paul A. Mayewski, George H. Denton, Terence J. Hughes. - INTRODUCTION. - LAURENTIDE ICE SHEET. - Eastern Sector. - Southern Sector. - Western Sector. - Northern Sector. - Northeastern Sector. - Interior Sector. - QUEEN ELIZABETH ISLANDS. - Late Wisconsin Maximum. - Late Wisconsin Recession. - CORDILLERAN ICE SHEET. - Late Wisconsin Maximum. - Late Wisconsin Recession. - NORTH AMERICAN ICE SHEETS: AN OVERVIEW . - Maximum and Minimum. - Reconstructions. - Fundamental Questions About Late Wisconsin Deglaciation. - Glaciological Speculations. - REFERENCES CITED. - APPENDIX. - Chapter 3 Late Wisconsin-Weichselian Mountain Glaciers and Small Ice Caps / John T. Hollin, David H. Schiling. - INTRODUCTION. - ALASKA. - WESTERN UNITED STATES. - MEXICO AND CENTRAL AMERICA. - SOUTH AMERICA. - Venezuela. - Colombia. - Ecuador. - Peru. - Bolivia. - Chile and Argentina to Lat 36°30'S. - Chile and Argentina South of Lat 36°30'S. - Islas Juan Fernandez. - Falkland Islands (Islas Malvinas). - Brazil. - Areas and Volumes. - NEWZEALAND. - AUSTRALIA, NEW GUINEA, AND SABAH. - The Australian Mainland. - Tasmania. - New Guinea and Sabah. - Conclusions. - AFRICA. - Northwest Africa and Atlantic Islands. - Mountains in Ethiopia. - Mountains Surrounding Lake Victoria. - South and West Africa. - SUBANTARCTIC ISLANDS. - CONCLUSIONS. - REFERENCES CITED. - Chapter 4 Numerical Reconstruction of Valley Glaciers and Small Ice Caps / David H. Schilling, John T. Hollin. - INTRODUCTION. - VALLEY GLACIERS AND PERFECT PLASTICITY. - The Iterative Scheme. - The Shape Factor. - Choice of the Yield Stress. - Choice of Step Length, [Delta x]. - The First Step and the Snout. - Steep and Mountainous Areas. - The VALLEY Program. - ICE CAPS, WITH SLIDING AND ABLATION. - Perfect Plasticity. - Law of Sliding and Iterative Scheme. - The ABLATE Program. - Various Models and the Flow Law. - An Application of the ABLATE Program. - Some Remaining Problems. - CONCLUSIONS. - REFERENCES CITED. - Chapter 5 Numerical Reconstruction of Paleo-Ice Sheets / Terence J. Hughes. - ICE-BED COUPLING AND SUBGLACIAL HYDROLOGY. - SUBGLACIAL HYDROLOGY AND EROSION-DEPOSITION PROCESSES. - TOPOGRAPHIC CRITERIA FOR RECONSTRUCTING FORMER ICE SHEETS. - Subglacial Landscapes. - Ice Domes. - Ice Saddles. - Melting Zone. - Equilibrium Zone. - Freezing Zone. - Ice Streams. - BASIC EQUATIONS FOR STEADY-STATE CREEP IN ICE SHEETS. - BASAL SHEAR STRESS AND TWO-DIMENSIONAL LAMINAR FLOW. - BASAL SHEAR STRESS AND BASAL SLIDING. - BASAL SHEAR STRESS AND CONSTRUCTING ICE-SHEET PROFILES. - BASAL SHEAR STRESS FOR FROZEN AND MELTED BEDS. - BASAL SHEAR STRESS FOR FREEZING AND MELTING BEDS. - BASAL SHEAR STRESS FOR ICE STREAMS AND ICE LOBES. - BASAL SHEAR STRESS FOR ICE DIVIDES. - EVALUATING TERMS IN THE FLOW AND SLIDING LAWS FOR GLACIAL ICE. - RADIAL FLOW AND SNOW ACCUMULATION FOR ICE DOMES. - LATERAL SHEAR AND DOWNDRAW FOR ICE STREAMS. - ISOSTATIC ADJUSTMENTS BENEATH ICE SHEETS. - SUMMARY. - REFERENCES CITED. - Chapter 6 The Last Great Ice Sheets: A Global View / Terence J. Hughes, George H. Denton, Björn G. Andersen, David H. Schilling, James L. Fastook, Craig S. Lingle. - AREAL EXTENT OF LATE WISCONSIN-WEICHSELIAN ICE SHEETS. - North America. - Greenland. - Eurasia. - Antarctica. - Minimum and Maximum. - Reconstructions of Late Wisconsin-Weichselian Ice Extent. - VERTICAL EXTENT OF LATE WISCONSIN-WEICHSELIAN ICE SHEETS. - The Critical Problem of Marine Ice Sheets. - Flowline Profiles for Variable Bed Topography. - Flowline Profiles for Variable Isostatic Compensation. - Flowline Profiles for Variable Basal Shear Stress. - Flowline Profiles for Present-day Ice Sheets. - Flowline Profiles for Late Wisconsin-Weichselian Ice Sheets. - Isostatic Conditions for Late Wisconsin-Weichselian Ice Sheets. - Basal Conditions for Late Wisconsin-Weichselian Ice Sheets. - Elevations and Volumes of Late Wisconsin-Weichselian Ice Sheets. - DISCUSSION. - REFERENCES CITED. - Chapter 7 History of the Marine Ice Sheet In West Antarctica During the Last Glaciation: A Working Hypothesis / Minze Stuiver, George H. Denton, Terence J. Hughes, James L. Fastook. - INTRODUCTION . - McMURDO SOUND AREA. - Ross Sea Drift: Description. - Ross Sea Drift: Interpretation. - Radiometric Dates and Ross Sea Drift. - Older Drift: Description and Interpretation. - Discussion. - TERRA NOVA BAY. - BEAUFORT AND FRANKLIN ISLANDS. - GLACIAL-MARINE SEDIMENTS IN THE ROSS SEA. - RECONSTRUCTION OF LATE WISCONSIN ANTARCTIC ICE SHEET. - Geologic Background. - Glaciological Background: Steady-State Model. - Conclusions. - DISINTEGRATION OF MARINE ICE SHEET IN WEST ANTARCTICA. - Disintegration Model. - Disintegration of Ice Shelves. - Late Wisconsin-Holocene Disintegration. - Disintegration during Super Interglacials. - SUMMARY. - REFERENCES CITED. - Chapter 8 The Arctic Ice Sheet: An Outrageous Hypothesis / George H. Denton, T erence J. Hughes. - ICE-SHELF ORIGIN OF NORTHERN HEMISPHERE ICE DOMES. - Growth Rates of Arctic Ice Domes. - Sites for lnitiating Arctic Ice Domes. - Thickening Rates of Arctic Sea Ice. - Sites for Grounding Arctic Sea Ice. - Forming Arctic Ice Shelves on Deep Oceans. - Assessing the lce-Shelf Hypothesis for Forming Marine Ice Domes. - LA TE WISCONSIN-WEICHSELIAN ARCTIC ICE SHEET. - Ice Domes. - Ice Streams. - Ice Shelves. - DISINTEGRATION OF LATE WISCONSIN-WEICHSELIAN ARCTIC ICE SHEET. - Initiation of Late Wisconsin-Weichselian Glacial Surges. - Maintenance of Late Wisconsin-Weichselian Glacial Surges. - Environmental Impact of Late Wisconsin-Weichselian Glacial Surges. - CONCLUSIONS. - REFERENCES CITED. - INDEX.
    Type of Medium: Monograph available for loan
    Pages: XVIII, 484 S. : Ill., Kt. ; 27 Kt.-Beil.
    ISBN: 0471060062
    Series Statement: A Wiley interscience publication
    Location: AWI Reading room
    Location: AWI Reading room
    Branch Library: AWI Library
    Branch Library: AWI Library
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  • 2
    Monograph available for loan
    Monograph available for loan
    Ross ice shelf (2000)
    Schweden
    Details Availability
    Call number: AWI G5-02-0107
    Type of Medium: Monograph available for loan
    Pages: S. 139-432
    Series Statement: Geografiska Annaler Series A: Physical Geography 82A, 2000
    Branch Library: AWI Library
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  • 3
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    An empirical model of electron and ion fluxes derived from observations at geosynchronous orbit (2015)
    Wiley
    Details
    Publication Date: 2015-03-22
    Description: Knowledge of the plasma fluxes at geosynchronous orbit is important to both scientific and operational investigations. We present a new empirical model of the ion flux and the electron flux at geosynchronous orbit (GEO) in the energy range ~1 eV to ~40 keV. The model is based on a total of 82 satellite-years of observations from the Magnetospheric Plasma Analyzer instruments on Los Alamos National Laboratory satellites at GEO. These data are assigned to a fixed grid of 24 local-times and 40 energies, at all possible values of Kp. Bi-linear interpolation is used between grid points to provide the ion flux and the electron flux values at any energy and local-time, and for given values of geomagnetic activity (proxied by the 3-hour Kp index), and also for given values of solar activity (proxied by the daily F10.7 index). Initial comparison of the electron flux from the model with data from a Compact Environmental Anomaly Sensor II (CEASE-II), also located at geosynchronous orbit, indicate a good match during both quiet and disturbed periods. The model is available for distribution as a FORTRAN code that can be modified to suit user-requirements.
    Print ISSN: 1539-4964
    Electronic ISSN: 1542-7390
    Topics: Geosciences , Physics
    Published by Wiley on behalf of American Geophysical Union (AGU).
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  • 4
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    Imaging the Global Distribution of Plasmaspheric Oxygen (2018)
    Wiley
    Details
    Publication Date: 2018-02-22
    Description: This paper investigates the potential for 83.4 nm imaging of the plasmaspheric dense oxygen torus, using simple models for core plasma density and composition to constrain a simulated image code. We derive the requirements for plasmaspheric O + imaging, and the expected performance of an imager based on a slightly modified version of the IMAGE EUV camera. We find that such an imager can achieve a sensitivity of 0.69(sRpixel) −1 , sufficient to capture the dense torus 83.4 nm signal with 25-min integration time. The background rejection ratios for this design are 1.5 × 10 −4 at 58.4 nm and 7.4 × 10 −8 for Lyman- α . We discuss the effects of ion temperature and motion, and O ++ glow. We compute simulated O + images of the formation and global distribution of the dense torus. We also examine the possibility of direct observation of oxygen outflow from the ionosphere.
    Print ISSN: 0148-0227
    Topics: Geosciences , Physics
    Published by Wiley on behalf of American Geophysical Union (AGU).
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  • 5
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    Imaging the Global Distribution of Plasmaspheric Oxygen (2018)
    American Geophysical Union
    Details
    Publication Date: 2018-03-26
    Description: This paper investigates the potential for 83.4 nm imaging of the plasmaspheric dense oxygen torus, using simple models for core plasma density and composition to constrain a simulated image code. We derive the requirements for plasmaspheric O + imaging, and the expected performance of an imager based on a slightly modified version of the IMAGE extreme ultraviolet camera. We find that such an imager can achieve a sensitivity of 0.69(s R pixel) −1 , sufficient to capture the dense torus 83.4 nm signal with 25 min integration time. The background rejection ratios for this design are 1.5 × 10 −4 at 58.4 nm and 7.4 × 10 −8 for Lyman-α. We discuss the effects of ion temperature and motion, and O ++ glow. We compute simulated O + images of the formation and global distribution of the dense torus. We also examine the possibility of direct observation of oxygen outflow from the ionosphere. ©2018. American Geophysical Union. All Rights Reserved.
    Print ISSN: 2169-9380
    Electronic ISSN: 2169-9402
    Topics: Geosciences , Physics
    Published by American Geophysical Union
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  • 6
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    An empirical model of electron and ion fluxes derived from observations at geosynchronous orbit (2015)
    American Geophysical Union
    Details
    Publication Date: 2015-04-01
    Print ISSN: 1542-7390
    Electronic ISSN: 1542-7390
    Topics: Geosciences , Physics
    Published by American Geophysical Union
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  • 7
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    Observed response of stratospheric and mesospheric composition to sudden stratospheric warmings (2019)
    Elsevier
    Details
    Publication Date: 2019-09-01
    Print ISSN: 1364-6826
    Electronic ISSN: 1879-1824
    Topics: Geosciences , Physics
    Published by Elsevier
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  • 8
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    The European experience of educational seismology (2015)
    Springer
    Details
    Publication Date: 2020-11-25
    Description: This chapter provides an overview of last two decades, European experiences in educational seismology and describes the different contexts in which they have been developed. The basic idea of these educational projects is that Seismology may represent an efficient communication vehicle for teaching a wide range of basic Earth sci-ence topics through laboratory practices and educational activities. Moreover it is also an effective tool to raise in the young citizens the awareness on the earthquake risk and possible mitigation actions. In this frame several seismic stations with different technologies were installed in schools across Europe. The scientific support of re-searchers and the need to establish strong links between teachers and researchers attribute to the school an active role in the knowledge process using the scientific laboratory practice by adopting the “learning by doing” modern approach of science communication (R. Schank and C. Cleary, 1995, Engines for Education, Ed. Routledge, 248 pp). Some educational activities correlated with seismological projects are presented, following different strategies depending on the country, but all aimed at building a new way to communicate science in the schools. The new vogue is the opening toward social networks and blogs. This generalizes the concept of an educational Geoscience website making it an e-platform for science communication and multimedia data sharing, where researchers, teachers, students and education op-erators can interact and constantly be kept informed of ongoing activities and relevant events. All of these 'seismology at school' initiatives rely on the concept of school networking and will merge in the European project NERA (Network of European Research Infrastructures for Earthquake Risk Assessment and Mitigation, http://www.nera-eu.org/) where a spe-cific workpackage is dedicated to networking school seismology programs.
    Description: Published
    Description: 145-170
    Description: 3T. Pericolosità sismica e contributo alla definizione del rischio
    Description: restricted
    Keywords: educational seismology ; educational projects ; learning by doing ; science communication ; school seismology ; 05. General::05.03. Educational, History of Science, Public Issues::05.03.99. General or miscellaneous
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: book chapter
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  • 9
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    Northern hemisphere stratospheric ozone depletion caused by solar proton events: the role of the polar vortex (2018)
    Wiley
    In:  EPIC3Geophysical Research Letters, Wiley, 45, pp. 2115-2124, ISSN: 0094-8276
    Details
    Publication Date: 2020-03-05
    Description: Ozonesonde data from four sites are analyzed in relation to 191 solar protons events (SPEs) from 1989-2016. Analysis shows ozone depletion (~10-35 km altitude) commencing following the SPEs. Seasonally-corrected ozone data demonstrate that depletions occur only in winter/early-spring above sites where the northern hemisphere polar vortex (PV) can be present. A rapid reduction in stratospheric ozone is observed with the maximum decrease occurring ~10-20 days after SPEs. Ozone levels remain depleted in excess of 30 days. No depletion is observed above sites completely outside the PV. No depletion is observed in relation to 191 random epochs at any site at any time of year. Results point to the role of indirect ozone destruction, most likely via the rapid descent of long-lived NOx species in the PV during the polar winter.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , isiRev
    Format: application/pdf
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  • 10
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    Radiocarbon and luminescence dating of overbank deposits in outwash sediments of the last glacial maximum in North Westland, New Zealand. (2003)
    In:  EPIC3New zealand journal of geology and geophysics, 46(1), pp. 95-106
    Details
    Publication Date: 2019-07-17
    Repository Name: EPIC Alfred Wegener Institut
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