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  • 1
    Monograph available for loan
    Monograph available for loan
    Novosibirsk : Izdatel'stvo "Nauka", Sibirskoe otdelenie
    Associated volumes
    Call number: ZSP-805-619
    In: Trudy Instituta Geologii i Geofiziki, Vypusk 619
    Description / Table of Contents: Translation of abstract: The collection is devoted to the stratigraphy and paleontology of the Paleozoic West Siberian Plate and its mountain frame. Refined stratigraphic schemes for Paleozoic deposits of the West Siberian Plate and Devonian deposits of the Rudny Altai are proposed, and the Devonian stratigraphic units of Salair, Altai and the Urals are compared. Considerable attention is paid to the systematic description of new species and larger taxa of foraminifera, polychaetes, algae, spores, their use for biostratigraphic division and correlation of Paleozoic deposits is considered, and the issue of the geographical type of fauna is addressed. The book is intended for geologists-stratigraphers, paleontologists, petroleum geologists, specialists in paleogeography and regional geology.
    Description / Table of Contents: Сборник посвящен стратиграфии и палеонтологии палеозоя Западно-Сибирской плиты и ее горного обрамления. Предлагаются уточненные схемы стратиграфии палеозойских отложений Западно-Сибирской плиты, девонских отложений Рудного Алтая, сопоставляются стратиграфические подразделения девона Салаира, Алтая и Уpaлa. Значительное внимание уделено систематическому описанию новых видов и более крупных таксонов фораминифер, полихет, водорослей, спор, рассматривается применение их для биостратиграфического расчленения и корреляции палеозойских отложений, затрагивается вопрос географического типа фауны. Книrа рассчитана на геологов-стратиграфов, палеонтологов, геологов-нефтяников, специалистов по палеогеографии и региоиальной гeoлoгии.
    Type of Medium: Monograph available for loan
    Pages: 228 Seiten , Illustrationen
    Series Statement: Trudy Instituta Geologii i Geofiziki Vypusk 619
    Language: Russian
    Note: Translation of Table of Contents Preface Paleozoic stratigraphy of the southeastern part of the West Siberian plate / V.N. Dubatolov, V.I. Krasnov, O.I. Bogush, V.M. Zadorozhny, S.A. Stepanov, L.S., Ratanov, V.I. Bijakov, N.P. Zapivalov, Z.Ya. Serdyuk, I.P. Mukhina Foraminifera and stratigraphy of the Lower Carboniferous of the West Siberian Plate / O.I. Bogush Findings of Middle Paleoeoic polychaetes in the southeastern part of the West Siberian Plate / R.M. Myannil, N.M. Zaslavskaya Algae of the Middle and Upper Devonian of Western Siberia and the Urals / B.I. Chuvashov, O.V. Yuferev, V.A. Luchinina About the boundary of the Lower and Middle Devonian. Ostracode associations / E.N. Polenova Distribution of foraminifera in typical Devonian sections of the Kuznetsk Basin margins / V.M. Zadorozhny Stratigraphy of Devonian deposits of the Rubtsovsky ore district (Rudny Altai) / V.M. Chekalin, V.A. Zheltonogova Comparison of Devonian deposits of Salair, Altai and the Urals based on materials from the study of crinoids / Yu.A. Dubatolova, E.V. Dubatolova, V.S. Militsina The first finds of spores in the Middle Devonian deposits of the Nazarovo depression of the Minusinsk trough / L.N. Peterson, A.P. Kosorukov On the age and geographical type of fauna from the Upper Paleozoic deposits of the Pavlodar Irtysh region / O.A. Betekhtina Application , СОДЕРЖАНИЕ Предисловие Стратиграфия палеозоя юго-восточной части Западно-Сибирской плиты / В.Н. Дубатолов, В.И. Краснов, О.И. Богуш, В.М. Задорожный, С.А. Степанов, Л.С, Ратанов, В.И. Биджаков, Н.П. Запивалов, З.Я. Сердюк, И.П. Мухина Фораминиферы и стратиграфия нижнего карбона Западно-Сибирской плиты / О.И. Богуш Находки среднепалеоэойских полихет в юго-восточной части Западно-Сибирской плиты / Р.М. Мянниль, Н.М. Заславская Водоросли среднего и верхнего девона Западной Сибири и Урала / Б.И. Чувашов, О.В. Юферев, В.А. Лучинина О границе нижнего и среднего девона. Остракодовые ассоциации / Е.Н. Поленова Распространение фораминифер в типовых разрезах девона окраин Кузнецкого бассейна / В.М. Задорожный Стратиграфия девонских отложений Рубцовского рудного района ( Рудный Алтай) / В.М. Чекалин, В.А. Желтоногова Сопоставление девонских отложений Салаира, Алтая и Урала по материалам изучения криноидей / Ю.А. Дубатолова, Е.В. Дубатолова, В.С. Милицина Первые находки спор в среднедевонских отложениях Назаровской впадины Минусинского прогиба / Л.Н. Петерсон, А.П. Косоруков О возрасте и географическом типе фауны из верхнепалеозойских отложений Павлодарского Прииртышья / О.А. Бетехтина Приложение , In kyrillischer Schrift
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  • 2
    Monograph available for loan
    Monograph available for loan
    Novosibirsk : Izdatel'stvo "Nauka", Sibirskoe otdelenie
    Associated volumes
    Call number: ZSP-805-636
    In: Trudy Instituta Geologii i Geofiziki, Vypusk 636
    Description / Table of Contents: Статьи сборника вносят определенный вклад в развитие системного подхода к познанию морфологических особенностей нашей планеты. Их авторы пришли к выводу, что в основу классификации рельефа должен быть положен балансовый принцип, поскольку перемешение минеральных масс как на поверхности Земли, так и в горизонтах лито- и астеносферы составляет сушность морфогенеза - ведушей фopмы движения материи, определяюшей динамическое состояние любой геоморфологической системы и позволяюшей прогнозировать ее устойчивость под влиянием различных антропогенных воздействий. Книга рассчитана на специалистов, работаюших в области геологии, геоморфологии и географии.
    Description / Table of Contents: Translation of the abstract: The articles in the collection make a certain contribution to the development of a systematic approach to understanding the morphological features of our planet. Their authors came to the conclusion that the classification of relief should be based on the balance principle, since the movement of mineral masses both on the surface of the Earth and in the horizons of the litho- and asthenosphere constitutes the dryness of morphogenesis - the leading form of movement of matter that determines the dynamic state of any geomorphological system and allowing one to predict its stability under the influence of various anthropogenic influences. The book is intended for specialists working in the field of geology, geomorphology and geography.
    Type of Medium: Monograph available for loan
    Pages: 148 Seiten , Illustrationen
    Series Statement: Trudy Instituta Geologii i Geofiziki 636
    Language: Russian
    Note: СОДЕРЖАНИЕ Предисnовие Новые пути в геоморфологии ее роль в развитии производительных сил Сибири / В. А. Николаев Рельеф и системный подход / О. В. Кашменская Новизна и перспективы системного подхода в геоморфологии (в связи с вопросами rеоморфолоrического картирования) / З. М. Хворостова Геоморфологическая формация и природно-территориалъный комплекс / Л. С. Миляева Корреляция вершинной и базисной поверхностей / Э. Л. Якименко, Н. С. Маковская, В. С. Порядин Особенности геолого-геоморфологическоrо изучения сейсмичности Алтае-Саянской горной области / Г. А. Чернов Рельеф и перспективы сельскохозяйственного использования земельных ресурсов Западно-Сибирской равнины / В. А. Николаев , Д. В. Пучкова , Translation of Table of Contents Preface New paths in geomorphology and its role in the development of the productive forces of Siberia / V. A. Nikolaev Relief and systematic approach / O. V. Kashmenskaya Novelty and prospects of a systematic approach in geomorphology (in connection with issues of geomorphological mapping) / Z. M. Khvorostova Geomorphological formation and natural-territorial complex / L. S. Milyaeva Correlation of vertex and base surfaces / E. L. Yakimenko, N. S. Makovskaya, V. S. Poryadin Features of geological and geomorphological study of seismicity in the Altai-Sayan mountain region / G. A. Chernov Relief and prospects for agricultural use of land resources of the West Siberian Plain / V. A. Nikolaev, D. V. Puchkova , In kyrillischer Schrift
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  • 3
    Call number: ZSP-SCAR-701
    Type of Medium: Series available for loan
    Language: English
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  • 4
    Call number: ZSP-201-94/12
    In: CRREL Report, 94-12
    Description / Table of Contents: Subsurface radar was used to profile ice and snow conditions on the Ross Ice Shelf at McMurdo Station, Antarctica, during mid-January 1993. Deconvolution and migration were often used to improve vertical resolution and spatial imaging. Profiles at a pulse center frequency of 400 MHz along the 3.2-km-long Pegasus ice runway show many low-density horizons above 9 m depth that are up to 30 m long. They are associated with air bubbles included during refreezing of meltwater and are interpreted as layers between a few and tens of centimeters thick. There is a strong reflecting horizon at about 9 m depth that is probably from brine intrusion as it is continuous with the intrusion into the snow to the east. Diffraction asymptotes give a dielectric constant near 3.2 for material above the brine level, a value that implies near-solid ice. Profiles at 100 MHz along the road between Pegasus runway and Williams Field in the accumulation zone show snow features such as layer deformation and intrusive brine layers that both abruptly and gradually change in depth. A single profile at a relic solid waste dump at Williams Field detected buried debris and ice within the upper 7 m. A survey of a suspected fuel spill shows some local disturbances near the center, but no excavation was done to verify the findings. Profiles traversing the sewage sumps at Williams Field outline the extent of the sewage deposition, and give depths to contaminated snow that closely agree with observation. Despite variability in dielectric properties, single-layer migration effectively improves the resolution of subsurface conditions. Recommendations are made for future surveys.
    Type of Medium: Series available for loan
    Pages: iv, 29 Seiten , Illustrationen
    Series Statement: CRREL Report 94-12
    Language: English
    Note: CONTENTS Preface Introduction Radar equipment General operation Antennas Waveforms and phase polarity Antenna directivity Field procedures and data processing Field procedures Data recording Data processing Site location Results Pegasus runway Access road from Williams Field to Pegasus runway Williams Field Summary and conclusions Literature cited Appendix A: Airborne profile of a portion of the access road Abstract
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  • 5
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-92/17
    In: CRREL Report, 92-17
    Description / Table of Contents: The CRREL Instrumented Vehicle (CIV), shear annulus, direct shear, andtriaxial compression devices were used to characterize the strength ofthawed and thawing soil. These strength values can be used in simpletraction models to predict the tractive performance of vehicles. Strength was evaluated in terms of the parameters c' and Φ' based on the Mohr-Coulomb failure criterion. It is proposed here that an instrumented vehicle is best suited for terrain characterization for mobility studies because the conditions created by a tire slipping on a soil surface are exactly duplicated. The c' and Φ' values from the shear annulus were found to overpredict traction because of the low normal stress applied by the annulus and the curved nature of the failure envelope. Of all the tests, the direct shear test yielded the highest Φ' value, most likely because the test was run at a slow deformation rate under drained conditions. The triaxial test results were the most similar to those from the vehicle. All test methods show Φ' increasingwith soil moisture up to the liquid limit of the soil and then decreasing. As measured with the vehicle, was also found to be strongly influenced by the thaw depth.
    Type of Medium: Series available for loan
    Pages: 17 Seiten , Illustrationen
    Series Statement: CRREL Report 92-17
    Language: English
    Note: CONTENTS Introduction Objective Background Strength measurement techniques Triaxial compression Direct shear Shear annulus device CRREL Instrumented Vehicle Discussion Comparison of methods Influence of soil conditions Traction prediction Conclusions References Abstract
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  • 6
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-93/9
    In: CRREL Report, 93-9
    Description / Table of Contents: Traction on winter surfaces was measured using three test vehicles, each designed to measure traction for a different purpose: vehicle mobility research (CRREL Instrumented Vehicle), commercial tire testing (Uniroyal- Goodrich traction tester), and airport runway safety (Saab friction tester). The traction measured with each method is comparable, but there are systematic differences due to the effects of the surface material and the test and analysis technique. This comparison serves as the fundamental basis for collaboration between the various traction testing communities and illustrates the need for well documented test procedures and data analysis as a standard for traction testing and evaluation.
    Type of Medium: Series available for loan
    Pages: iii, 21 Seiten , Illustrationen
    Series Statement: CRREL Report 93-9
    Language: English
    Note: CONTENTS Preface Introduction Traction test methods Saab friction tester Uniroyal-Goodrich traction tester CRREL Instrumented Vehicle Surfaces tested Reporting results and terminology Factors influencing traction Results Traction curves for each surface Traction coefficients Conclusion Literature cited Appendix A: Vehicle instrumentation and samples of graphic output Appendix B: Comparison of measured traction coefficients with published andpredicted values Abstract
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  • 7
    Call number: ZSP-201-93/11
    In: CRREL Report, 93-11
    Description / Table of Contents: A laboratory study of the behavior of snow under shock wave loading and unloading conditions was conducted using a 200-mm-diameter gas gun to generate loading waves in snow samples with initial densities of 100 to 520 kg m-3 at temperatures of -2 to -23 deg C. Stress levels were 2 to 40 MPa. The response of snow to shock wave loading was measured as a function of distance from the impact plane using embedded stress gauges. Large impedance differences between snow and the stress gauges produced complex stress histories. A finite element model, along with a simple analytical model of the experiment, was used to interpret the stress histories. Snow deformation was not affected by initial temperature, but was found to be rate dependent. The initial density of the snow determined its pressure-deformation path. The pressure needed to compact snow to a specific final density increases with decreasing initial density. The release moduli increased nonlinearly from 50 MPa at a snow pressure of about 15 MPa to 2700 MPa at a snow pressure of about 40 MPa.
    Type of Medium: Series available for loan
    Pages: iii, 150 Seiten , Illustrationen
    Series Statement: CRREL Report 93-11
    Language: English
    Note: CONTENTS Preface Introduction Experimental equipment and methods Gas gun Snow target assembly Data acquisition Experimental procedure Measured data Stress histories Snow characterization Data analysis Recommendations Experimental methods Experimental needs Summary Literature cited Appendix A : Stress-time data plots Appendix B: Tabulated stress-time data Abstract
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  • 8
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-93/3
    In: CRREL Report, 93-3
    Description / Table of Contents: Results are presented of a study to determine appropriate methods of flow modification for mitigating ice jam formation in navigable rivers. Based on a review of alternative methods for flow modification, it is concluded that for many rivers, especially large ones, the most appropriate method involves controlled ice-cover formation through the regulation of river flow. Flow discharge and stages would be regulated by controlling the flow releases from reservoirs and flow stages at river dams, such that optimal flow conditions prevail for rapid formation, and subsequent maintenance, of an accumulation ice cover over river reaches in which potentially large amounts of frazil ice may grow. Accumulation covers would be formed of frazil ice pans and floes and, if appropriate, broken ice conveyed from upstream. Existing dams, augmented where needed by navigable ice booms, could serve as retention structures for the development of accumulation covers. A preliminary indication of the feasibility of this method for controlling ice-cover formation on stage-regulated pools of the Ohio River is assessed through the use of a numerical model that simulates ice-cover formation from frazil ice. It is found that this approach holds promise for mitigating jam occurrence, although its implementation necessarily entails management of flow through major portions of the Ohio River. The results of the study are, to a limited extent, generalized to other rivers.
    Type of Medium: Series available for loan
    Pages: v, 58 Seiten , Illustrationen
    Series Statement: CRREL Report 93-3
    Language: English
    Note: CONTENTS Preface Nomenclature Introduction Background Scope of the study Control of river ice formation Control methods Controlled ice-cover formation for the upper Ohio River Numerical simulation of ice-cover formation Flow profile Water temperature variation Frazil ice growth Ice-cover progression Thermal growth of ice cover Numerical results Illustration of simulated ice-:over formation Ice-cover formation in the Hannibal and Montgomery pools Generalized results Conclusions and recommendations Literature cited Appendix A: Expression for coefficients Appendix B: Listing of computer program
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  • 9
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-94/5
    In: CRREL Report, 94-5
    Description / Table of Contents: A three-dimensional theory is derived to describe the temporal behavior of gravity currents of cohesionless granular media, in an attempt to model the motion of dense, flow-type snow avalanches, ice and rock slides. A mohr-Coulomb yield criterion is assumed to describe the constitutive behavior of the material, and the basal bed friction is described similarly by a Coulomb type of friction. A drag term is included in order to model the occurrence of flow regimes where boundary drag becomes non-negligible. Data from laboratory simulations are compared to a series of numerical studies based on the aforementioned theory. A nondimensional, depth and width averaged form of the theory is considered. A Lagrangian finite difference scheme is then applied to numerically model some limiting cases of the governing equations. Two different numerical models are developed, tested and compared to experimental values. The results indicate that the model can account for flow transitions by inclusion of the drag term when the initial inclination angle is large enough to affect boundary drag. Furthermore, the temporal and spatial evolution of the granulate and final runout position can be predicted to values well within the experimental error.
    Type of Medium: Series available for loan
    Pages: iv, 29 Seiten , Illustrationen
    Series Statement: CRREL Report 94-5
    Language: English
    Note: CONTENTS Preface Nomenclature Introduction Mathematical formulation Limiting cases of the governing equations Nondimensionalization scheme Numerical solutions and comparison to experiments Unconstrained Coulomb flow model with constant bed friction Unconstrained Coulomb flow with boundary drag term Conclusions and remarks Literature cited Abstract
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  • 10
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-91/15
    In: CRREL Report, 91-15
    Description / Table of Contents: An overview is presented of recent activities and results in the use of commercially available short-pulse UHF radar for surveying ice conditions on freshwater bodies. Improvements in radar systems have made it possible to increase ice thickness resolution by as much as one third relative to that in past attempts, and some new signal processing approaches shown here may offer an order of magnitude improvement. Results from airborne surveying are shown in which the varieties of ice character are reflected. Given the lack of ground coupling, one can rely upon a reasonably well-defined wavelet structure for enhanced signal processing and interpretation possibilities. An algorithm is presented that locates returns from interfaces in the presence of noise for a non-minimum delay wavelet. The method performs a simple inversion in the frequency domain, enhanced by a time dependent weight designed to recognize the shape of the wavelet amplitude and phase spectra. Thin ice layers are resolved down to a few centimeters and are distinguished from an ice free condition by means of a matched filter system designed to recognize the interference pattern from parallel interfaces close to one another. The effects and constraints imposed by water layers on wet ice are discussed, as are general attenuation, sloping bottom, and critical angle effects in deeper water. In closing, observations on the problems and prospects of this sort of surveying are offered.
    Type of Medium: Series available for loan
    Pages: v, 31 Seiten , Illustrationen
    Series Statement: CRREL Report 91-15
    Language: English
    Note: Contents Preface Nomenclature Introduction Field surveys Methods and paraphernalia Results Sloping bottom effects and critical angle phenomena Deconvolution and thin layers Well-separated echoes Thin ice layers Thin layers of water Observations Literature cited Abstract
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