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  • 1
    Series available for loan
    Series available for loan
    Hanover, New Hampshire : U.S. Army Material Command, Cold Regions Research & Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-145
    In: Research report / Cold Regions Research and Engineering Laboratory, CRREL, US Army Material Command, 145
    Description / Table of Contents: An analysis is made of the time required to build up an ice-age ice sheet and of the time required to destroy such an ice sheet. The calculations are based on the approximation that the theory of perfect plasticity is valid. It is concluded that the time required to eliminate it. If it is assumed that the accumulation rate of an ice-age ice sheet lies of a large ic sheet is of the order of 15.000 to 30.00 years. Ablation rates of 1 to 2 meters/year lead to shrinkage times of the order of 2000 to 4000 years, provided ablation occurs over an appreciable area of the ice sheet.
    Type of Medium: Series available for loan
    Pages: 16 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory, CRREL, US Army Material Command 145
    Language: English
    Note: Contents: Preface. - Summary. - Introduction. - Basis of theory. - Basic equations. - Ice sheets with only accumulation or ablation. - Growing ice sheets which contain only an accumulation zone. - Shrinking ice sheets which contain only an ablation zone. - Comments. - Ice sheet with both accumulation and ablation zones. - Growing ice sheets. - Shrinking ice sheets. - Conclusions. - References.
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  • 2
    Call number: ZSP-202-111,1
    In: Research report / Cold Regions Research and Engineering Laboratory, 111,1
    Description / Table of Contents: Summary: Optical scintillation, visual resolution, and wind and temperature profiles were measured over snow, ice and frozen ground. The data were analyzed to determine relationships between (1) scintillation and visual resolution and (2) scintillation and meteorological and surface conditions. The experimental results included (1) estimates of the limit of visual resolution, (2) telephotometer measurements of the apparent fluctuations in brightness (scintillation) of an artificial light source, and (3) measurements of wind direction and of the vertical distributions of wind speed and temperature. The optical path was 543 m long and 1.5 m above uniform horizontal surfaces. All scintillation and meteorological data are given in an appendix. The principal results of the analysis showed that for turbulent flow in stable stratification over snow (1) visual resolution deteriorated systematically as scintillation increased in intensity and (2) scintilliation intensity increased with increase in vertical temperature gradient. Scintilliation was at a minimum in the absence of thermal stratification and at a maximum (in very stable thermal stratification) during the sudden transition from laminar to turbulent flow. For a given temperature gradient, scintilliation increased with increase in wind speed. When wind and temperature gradients were combined in terms of the Richardson number and related to scintilliation, the data obtained over snow indicated a critical Richardson number of about 0.35. Scintilliation power spectra for eight periods revealed characteristics that could be related to visual resolution, the Richardson number and the mean wind speed component normal to the optical path. NOTE: This file is large. Allow your browser several minutes to download the file.
    Type of Medium: Series available for loan
    Pages: iii, 32, A17, B44 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory 111,1
    Language: English
    Note: CONTENTS Preface Page Summary Introduction The problem Previous work Plan of the investigation Conclusions Visual resolution and scintillation Visual resolution and wind, temperature, and surface conditions Visual resolution and height and length of optical path Results Measurements Analysis and discussion Visual resolution and scintillation relationships Scintillation and micrometeorological parameters Index of refraction fluctuations Scintillation and the temperature profile Scintillation and average wind speed Combined effects of wind speed and temperature gradient Scintillation and surface roughness Scintillation power spectra Scintillation and path length References Appendix A: Equipment and procedures Appendix B: Micrometeorological and scintillation data
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  • 3
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-119
    In: Research report / Cold Regions Research and Engineering Laboratory, 119
    Description / Table of Contents: Summary: An experimental investigation of stress-wave propagation in snow and ice is described. Seven types of Greenland snow were investigated to determine the extent to which the variation in dynamic response of the snow is a function of snow types, and were compared with results of similar Michigan snow experiments. A low-density explosive charge was detonated, sending a steep-fronted shock wave through a metal transfer plate and into the snow sample, compressing the snow and setting it in motion. Measurements were made on shock waves with amplitudes of less than 200 atm. Density and pressure behind the wave fronts were determined by simultaneous measurement of wave-propagation and particle velocity as limited by the fast elastic wave and the slow plastic wave of the two-front structure. Values calculated by the Rankine-Hugoniot jump conditions determined the points at which the material behaves plastically or hydrodynamically. The maximum stable pressure-volume states that snow can reach under shock loading are also shown. Sources of scatter in the results from variations in snow type and errors in data reduction and geometry changes are pointed out.
    Type of Medium: Series available for loan
    Pages: v, 25, A11 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory 119
    Language: English
    Note: CONTENTS Test area description Experimental techniques Explosive initiation system Grid lines on snow Grid lines on driving plates The streak camera Synchronization of camera and event Synchronization of flash bulb and event Timing-light generator High-speed framing camera
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  • 4
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-115
    In: Research report / Cold Regions Research and Engineering Laboratory, 115
    Description / Table of Contents: SUMMARY Between 1 July and 7 August 1960, the U.S. Army Snow Ice and Permafrost Research Establishment, Corps of Engineers, supported a £our-man glaciological expedition on the southern dome of the Greenland ice sheet. Measurements of snow temperature, density, ram hardness, and grain size were made at seven pit ~tudies along 191 mileS of over-snow traverse. In addition to the pit studies, 38 Rammsonde profiles were measured and 166 shallow pits were dug to measure temperature in the first meter of snow. The annual accumulation of snow was found to decrease westward, from 97 em water equivalent 50 miles from tP.e east coast, to 40 em 80 miles from the western margin. A possible precipitation shadow was encountered immediately west of the crest line of the ice sheet. The precipitation shadow and the decrease in accumulation westward indicate that the source area for the precipitation lies to the east of the southern dome, in the. Greenland Sea. Temperature profiles in the firn indicated that summer warming was still in progress. During August, melting at an elevation of 2000 m above se~ level was intense (OC in the top 75 em} •. According to the facies classification of glaciers (Benson, 1959, 1960}, most of the study area is in tfie percolation facies, with the possible exception of the westernmost· s.tation (mile l-138) which is at or near the saturation line. The daily heat exchange in the first meter of snow, near the time of maximum melt conditions, is between 20 and '35 cal/cinZ. This is approxi-mately 25o/o of the heat necessary to raise the temperature of a column of firn of unit cross Section and 1 m deep to the melting point. Effective values of thermal conductivity and diffusivity as determined from the temperature curves with no attempt made to isolate radiation and con-vection are, respectively, 4-6 x 10-3 cgs and 20-30 x 10-3 cgs. Radiation and convection in the first meter of firn cause "effective conductivity" values to be 4 to 7 times greater than the value k = 0. 0068pZ given by Abel's (1892), which is the conductivity at greater depths.
    Type of Medium: Series available for loan
    Pages: v, 22, A4, B1 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory 115
    Language: English
    Note: CONTENTS Preface Summary Introduction Method of investigation Location Pit studies Temperature Hardness Density Stratigraphic measurements Thermal studies Stratigraphic features Grain size Grain shape Crusts Discussion of results Temperature Altitude gradient Latitude gradient Depth-density relationship Depth-load relationship Densification Stratigraphic analysis Facies relationship Climatological aspects 1960 meteorological observations Temperature Wind Barometric pressure Radiation Cloudiness Visibility Thermal studies Summary and conclusions References Appendix A Appendix B
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  • 5
    Monograph available for loan
    Monograph available for loan
    London [u.a.] : Longmans
    Call number: AWI P7-17-90975
    Type of Medium: Monograph available for loan
    Pages: XVI, 328 S. , Ill., Kt., graph. Darst.
    Edition: 1st publ.
    Series Statement: Geographies for advanced study
    Language: English
    Note: Contents: Preface. - 1. Introduction. - 2. History of Arctic exploration. - 3. The meteorology and climate of the Arctic. - 4. Landforms of the Arctic. - 5. The Arctic Seas. - 6. Arctic flora and fauna. - 7. Native peoples. - 8. Transportation. - 9. Political geography of the Arctic. - 10. Regional description of the Canadian Arctic. - 11. Alaska. - 12. The Soviet Arctic. - 13. Svalbard. - 14. Greenland. - 15. The history of Antarctic exploration. - 16. The Antarctic continent. - 17. Meteorology and climate of the Antarctic. - 18. The Antarctic Seas. - 19. The sub-Antarctic islands. - Index.
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  • 6
    Monograph available for loan
    Monograph available for loan
    Leningrad : Izdatel'stvo Leningradskogo Universiteta
    Call number: AWI G1-19-92227
    Type of Medium: Monograph available for loan
    Pages: 445 Seiten , Illustrationen
    Series Statement: Zemnoj magnetizm / B.M. Janovskij 1
    Language: Russian
    Note: In kyrillischer Schrift
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  • 7
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-110
    In: Research report / Cold Regions Research and Engineering Laboratory, 110
    Description / Table of Contents: Summary: Nafe's (1957) presentation of reflection and transmission coefficients at a solid-solid interface was used to compute tables for the case of ice in contact with another solid at a plane interface. Energy ratios of all the combinations of reflected and refracted plane P and S waves were computed for 30 different cases of the second solid. A compressional velocity of 3.6 km/sec, a density of 0.9 g/cm^3, and a value of 1/3 for Poisson's ratio were assumed for the ice. For the other solid, the velocity ranged from 1.2 to 6.0 km/sec, the density from 1.5 to 3.0 g/cm^3, and Poisson's ratio from 0 to 1/3. The computations were carried out with an electronic computer, and the results are presented graphically.
    Type of Medium: Series available for loan
    Pages: iv, 17 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory 110
    Language: English
    Note: CONTENTS Preface Summary Introduction Definitions Computation Results
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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-202-112
    In: Research report / Cold Regions Research and Engineering Laboratory, 112
    Description / Table of Contents: Summary: The age hardening of artificially and naturally compacted snow has been investigated at the South Pole. Results show that the age-hardening process is greatly retarded at low temperatures. Artificially compacted samples of density 0.55 g/cm^3 attained a compressive strength of less than 3.0 kg/cm^2 after one year's aging at -49°C. Exposure to solar radiation accelerated the age hardening. Irradiated samples attained a strength of 6.0 kg/cm^2 after 100 hr, increasing to a virtual maximum of 8.0 kg/cm^2 at 600 hr. Compressive strengths increased witha decrease in snow-particle size and with an increasing angularity of the particles. Below 3 m the strength of naturally compacted snow was found to increase rapidly with an increase in density. Naturally compacted snow of density 0.55 g/cm^3 possessed considerably greater strength than any of the age-hardened samples of artificially compacted snow of the same density. Thin-section studies show that age hardening can be correlated with the formation and growth of intergranular bonds, and that bond growth falls off rapidly with decreasing temperature. In view of the low strength found in both naturally and artificially compacted snow at the South Pole, "cut-and-cover" undersnow camp construction may not prove practical at the South Pole.
    Type of Medium: Series available for loan
    Pages: v, 19, A6 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory 112
    Language: English
    Note: CONTENTS Preface Summary Introduction Previous work Experimental methods Experimental results Series A Series B Series C Series D Series E Discussion Conclusions References Appendix A
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  • 9
    Call number: AWI G3-24-95691
    Description / Table of Contents: В 1960 г. в Канаде состоялся Первый международный симпозиум по геологии Арктики, в котором привяли участие советские, канадские, американские, английские, датские и норвежские ученые. Итогом работ симпозиума явился настоящий сборник, в котором сведены новейшие материалы по геологии, океанологии, гляциологии и климатологии северных полярных областей земного шара. Эти работы дают отчетливое представление о геологическом строении огромных территорий Канады и Аляски, о рельефе и характере осадков два Северного Ледовитого океана, о ледовом режиме Арктики. Необходимо отметить, что до недавнего времени многие области зарубежной Арктики были белыми пятнами на геологических картах; первые сведения о них содержатся в статьях этого сборника. Новые материалы сборника дают ценнейшие сведения для сравнительных оценок геологических условий и обстановки оруденения северных областей советской и зарубежной Арктики.
    Description / Table of Contents: Translation of abstract: In 1960, the First International Symposium on Arctic Geology was held in Canada, in which Soviet, Canadian, American, English, Danish and Norwegian scientists took part. The result of the symposium was this collection, which brings together the latest materials on geology, oceanology, glaciology and climatology of the northern polar regions of the globe. These works give a clear idea of the geological structure of the vast territories of Canada and Alaska, the relief and nature of precipitation in the two Arctic Oceans, and the ice regime of the Arctic. It should be noted that before recently, many areas of the foreign Arctic were blank spots on geological maps; the first information about them is contained in the articles in this collection. New materials in the collection provide valuable information for comparative assessments of geological conditions and mineralization conditions in the northern regions of the Soviet and foreign Arctic.
    Type of Medium: Monograph available for loan
    Pages: 515 Seiten , Illustrationen
    Uniform Title: Geology of the Arctic proceedings of the first International Symposium on Arctic Geology
    Language: Russian
    Note: СОДЕРЖАНИЕ Предисловие Предисловие к английскому изданию Введение ШПИЦБЕРГЕН Схема структурной истории Шпицбергена / В. Б. Харланд ГРЕНЛАНДИЯ Обзор геологии северной и восточной Гренландии Докембрийские и нижнепалеозойские структурные элементы и осадконакопление в северной и восточной Гренландии / Л. Кох Каролиниды: орогенический пояс позднедокембрийского возраста в северо-восточной Гренландии / Дж. Халлер Нижний палеозой Гренландии / Дж. Коуи Значение каледонской орогении в Гренландии / Дж. Халлер Девонские отложения центральной части восточной Гренландии / Х. Бютлер Континентальные иаменноугольные и нижнепермские отложения центральной части восточной Гренландии / Х. Бютлер Пермь Гренландии / В. Майнц Триас восточной Гренландии / Р. Трюмпи Юрские отложения восточной Гренландии / Дж. Х. Калломон Меловые отложения восточной Гренландии / Д. Т. Донован Третичные отложения Гренландии / Э. Венк Стратиграфия позднего докембрия восточной Гренландии / Х. Р. Кац О хронологии докембрия западной Гренландии / А. Бертельсен КАНАДА Структурная истории Канадского арктического архипелага с докембрийского времени / Р. Topcтeйнccoн, Е. T. Тозер Общий обзор геологии докембрии арктической части Канады / Р. Г. Блакадар, Дж. А. Фрейзер Стратиграфия нижнего палеозоя Канадского арктического архипелага / Р. Торетейнссон Общий очерк стратиграфии мезозойских и третичных отложений Канадского арктического архипелага / Е. T. Тозер Соотношение дислокаций складчатого пояса островов Парри и корнуоллисских складчатых структур на востоке острова Батерст Канадского арктического архипелага / Э. Н. Мак-Нейр Геологическая интерпретация аэромагнитных профилей, проведенных через Канадский арктический архипелаг / А. Ф. Грегори, М. Е. Бауэр, Л. В. Морлей Тектоническое строение северной Канады / Л. Дж. Мартин Каледонские или акадийские граниты северной части территории Юкон / Х. Бадегард, Р. И. Фолинеби, Дж. Липсон Стратиграфия девона района среднего течения реки Макензи, Северо-Западные территории, Канада / Х. Г. Бacceт Стратиграфия девонских отложений района Нориан-Уэлс / Т. Cтopu АЛЯСКА Изучение тектоники Аляски / Г. Грик Корреляция палеозойских пород Аляски / Дж. Т. Дутромл Новые данные о распространении верхнетретичных континентальных отложений на Аляске и в северо-западной Канаде / В. С. Бениннгхоф, Г. В. Холмс, Д. М. Гопкинс АРКТИЧЕСКИЙ БАССЕЙН Истории геологических знаний о происхождении Арктинеского бассейна / А. Дж. Ирдли Срединно-океанический хребет и его продолжение через Арктический бассейн / Б. К. Хейзен, М. Юииг Продолжение горных цепей в Арктике в прошлом / Дж. T. Вилъсон Сейсмическое исследование дна Арктического океана / К. Ханкинс Гальки, поднятые при драгировании в центральной части Северного Ледовитого океана / В. Шварцахер, К. Ханкинс Батиметрия моря Бофорта / А. Дж. Kapcoла, Р. Л. Фишер, К. Дж. Шипек, Г. Шамвей Предварительные результаты исследований арктической дрейфующей станции Чарли / В. Дж. Кроми Геофизические исследования на дрейфующей станции МГГ Браво, Т-3, 1958-1959 гr. / Д. Плоуфф, Г. В. Келлер, Ф. Ц, Фришкнехт, Р. Р. Уол Морские геологические наблюдения в Баренцовом море / Х. Игнатиус Морская геология и батиметрия шельфа Чукотского моря в районе Оготорук-Крик, северо-западная Аляска / Д. В. Схолл, К. Л. Сайнсбери Геоморфология Арктического бассейна / Р. Дитц, Дж. Шамвей Предметный указатель Указатель географических названий , Translation of Content Preface Preface to the English edition Introduction SPITSBERGEN Scheme of the structural history of Spitsbergen / W. B. Harland GREENLAND Review of the geology of northern and eastern Greenland Precambrian and Lower Paleozoic structural elements and sedimentation in northern and eastern Greenland / L. Koch Carolinids: Late Precambrian orogenic belt in northeastern Greenland / J. Haller Lower Paleozoic of Greenland / J. Cowie The significance of the Caledonian orogeny in Greenland / J. Haller Devonian deposits of the central part of eastern Greenland / H. Bütler Continental Carboniferous and Lower Permian deposits of the central part of eastern Greenland / H. Bütler Perm Greenland / V. Mainz Triassic of eastern Greenland / R. Trumpy Jurassic deposits of eastern Greenland / J. H. Callomon Cretaceous deposits of eastern Greenland / D. T. Donovan Tertiary deposits of Greenland / E. Wenk Late Precambrian stratigraphy of eastern Greenland / H. R. Katz On the chronology of the Precambrian of western Greenland / A. Bertelsen CANADA Structural history of the Canadian Arctic archipelago since Precambrian time / R. Topsteinson, E. T. Tozer General overview of the Precambrian geology of the Canadian Arctic / R. G. Blakadar, J. A. Fraser Stratigraphy of the Lower Paleozoic of the Canadian Arctic Archipelago / R. Thoreteinsson General outline of the stratigraphy of Mesozoic and Tertiary deposits of the Canadian Arctic Archipelago / E. T. Tozer The relationship between the dislocations of the Parry Islands fold belt and the Cornwallis fold structures in the east of Bathurst Island in the Canadian Arctic Archipelago / E. N. McNair Geological interpretation of aeromagnetic profiles drawn through the Canadian Arctic Archipelago / A. F. Gregory, M. E. Bauer, L. V. Morley Tectonic structure of northern Canada / L. J. Martin Caledonian or Acadian granites of the northern Yukon Territory / H. Badegard, R. I. Folineby, J. Lipson Devonian stratigraphy of the middle Mackenzie River region, Northwest Territories, Canada / H. G. Basset Stratigraphy of Devonian deposits of the Norian-Wells region / T. Stopu ALASKA Study of Alaska tectonics / G. Grik Correlation of Paleozoic Rocks of Alaska / J. T. Dutroml New data on the distribution of Upper Tertiary continental sediments in Alaska and northwestern Canada / V. S. Beninghof, G. W. Holmes, D. M. Hopkins ARCTIC POOL Stories of geological knowledge about the origin of the Arctic Basin / A. J. Eardley Mid-ocean ridge and its continuation through the Arctic basin / B. K. Hazen, M. Huig The continuation of mountain ranges in the Arctic in the past / J. T. Wilson Seismic exploration of the Arctic ocean floor / K. Hankins Pebbles raised during dredging in the central part of the Arctic Ocean / V. Schwarzacher, K. Hankins Bathymetry of the Beaufort Sea / A. J. Kapcola, R. L. Fisher, K. J. Shipek, G. Shumway Preliminary results of studies of the Arctic drifting station Charlie / W. J. Cromie Geophysical research at the drifting station MGG Bravo, T-3, 1958-1959. / D. Plouffe, G. W. Keller, F. Z, Frischknecht, R. R. Wahl Marine geological observations in the Barents Sea / H. Ignatius Marine geology and bathymetry of the Chukchi Sea shelf in the Ogotoruk Creek area, northwestern Alaska / D. W. Scholl, K. L. Sainsbury Geomorphology of the Arctic Basin / R. Dietz, J. Shumway Subject index Index of geographical names , In kyrillischer Schrift
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  • 10
    Call number: ZSP-553-164,5
    In: Meddelelser om Grønland
    Type of Medium: Monograph available for loan
    Pages: 66 S., 7 Taf. : Ill., graph. Darst., Kt.
    Series Statement: Meddelelser om Grønland 164,5
    Language: English
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  • 11
    Monograph available for loan
    Monograph available for loan
    København : Reitzel
    Associated volumes
    Call number: ZSP-553-159,11
    In: Meddelelser om Grønland
    Type of Medium: Monograph available for loan
    Pages: 74 S., XXI Taf. : zahlr. Ill.
    Series Statement: Meddelelser om Grønland 159,11
    Language: English
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  • 12
    Call number: ZSP-553-159,10
    In: Meddelelser om Grønland
    Type of Medium: Monograph available for loan
    Pages: 45 S. : Ill., Kt.
    Series Statement: Meddelelser om Grønland 159,10
    Language: English
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  • 13
    Call number: ZSP-553-164,6 ; AWI P8-88-0281
    In: Meddelelser om Grønland
    Type of Medium: Monograph available for loan
    Pages: 105 S., 4 Taf. : Ill., Kt.
    Series Statement: Meddelelser om Grønland 164,6
    Language: English
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  • 14
    Monograph available for loan
    Monograph available for loan
    Warszawa : Wydawnictwa Geologiczne
    Associated volumes
    Call number: AWI P9-89-0516
    In: Studia geologica polonica
    Type of Medium: Monograph available for loan
    Pages: 220 S. : Ill., graph. Darst., Kt.
    Series Statement: Studia geologica polonica 11
    Language: English
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  • 15
    Monograph available for loan
    Monograph available for loan
    Jerusalem : Israel Program for Scientific Translations
    Call number: AWI A7-98-0092 ; PIK N 456-99-0205 ; MOP 35101
    Type of Medium: Monograph available for loan
    Pages: 200 S. : graph. Darst.
    Series Statement: IPST 1031
    Uniform Title: Fizika pogranichonogo sloya atmosfery 〈engl.〉
    Language: English
    Note: Contents: Preface. - Introduction. - I. THE EQUATIONS OF HYDROTHERMODYNAMICS OF THE BOUNDARY LAYERS; ANALYSIS OF THESE EQUATIONS. - § 1. Derivation of the Equations for the Averaged Quantities. - § 2. The Relation Between Fluctuations of the Meteorological Elements and the Averaged Characteristics. Currents of Various Substances Due to Turbulence. - § 3. Some Problems of Turbulence Dynamics. The Reynolds Number. The Richardson Number § 4. Classification of Motions. Estimation of the Thickness of the Planetary Boundary Layer. The Surface Sublayer. - II. THE BOUNDARY LAYER OF THE ATMOSPHERE IN STATIONARY CONDITIONS. - § 1. Some Information on the Distribution of the Meteorological Elements in the Boundary Layer. - § 2. External Factors Determining the Structure of the Boundary Layer of the Atmosphere. - § 3. A Boundary Layer Model with Height-Independent Turbulence Coefficient (One-Parameter Model). - § 4. The Structure of the Surface Sublayer. - § 5. Calculation of the Basic Characteristics of the Surface Sublayer. - § 6. Two-Parameter Model of the Boundary Layer of the Atmosphere. - § 7. Some Information on the Processes at the Active Surface and in the Upper Layers of the Ground Influencing the Boundary Layer. - III. DAILY VARIATION OF THE METEOROLOGICAL ELEMENTS. - § 1. The Simplest Model for the Daily Temperature Variation. Features of the Daily Temperature Variation Over Water. - § 2. Daily Temperature Variations for Turbulent Mixing Intensity Growing with Height. - § 3. An Account of the Time Variations of the Eddy Exchange in the Theory of the Daily Temperature Variations. - § 4. The Influence of the Radiative Heat Influx on the Daily Temperature Variation. - § 5. Nocturnal Lowering of the Temperature. Forecasting of Radiation Frosts. - § 6. Daily Humidity Variations. Radiation Fogs. - § 7. Daily Variations of Wind Velocity. - IV. VARIATIONS OF METEOROLOGICAL FIELDS DUE TO THE INHOMOGENEITY OF THE ACTIVE SURFACE. - § 1. Qualitative Analysis of the Transformation Process. - § 2. Variations of the Temperature and Humidity Fields Over an Inhomogeneous Underlying Surface. - § 3. Formation of Advection Fogs. - § 4. Variations of the Micrometeorological Regime in Irrigation, Irrigation Standards for Various Meteorological Conditions. - § 5. Influence of Small Reservoirs on the Structure of the Lower Layers of the Atmosphere. - § 6. Nonstationary Processes Over An Inhomogeneous Underlying Surface. - § 7. Local Winds. - V. PHENOMENA AND PROCESSES OF A SPECIAL NATURE RELATED TO THE METEOROLOGICAL REGIME OF THE BOUNDARY LAYER. - §1. Wind Drift of Ice Floes. - § 2. Applications of the Laws of the Boundary Layer of the Atmosphere to Problems of Construction and Power Engineering. - § 3. Freezing of the Upper Layer of the Ground. - § 4. Pollution of the Lower Layers of the Atmosphere by Smoke From Factory Chimneys. - § 5. Some Features of the Electrostatic Field in the Surface Layer of the Atmosphere. , Transl. from Russian
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  • 16
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    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
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    Call number: ZSP-202-103
    In: Research report / Cold Regions Research and Engineering Laboratory, 103
    Description / Table of Contents: Summary: The effect of air flow on the thermal conductivity of snow was investigated. Steady-state temperature measurements were made along the edge and axis of a cylindrical bed of snow to determine the effective axial thermal conductivity of snow. Unconsolidated snow samples were used, with densities ranging from 0.376 to 0.472 g/cm^3 and corresponding snow particle sizes of 0.065 to 0.219 cm nominal diameter; the mass flow rates employed ranged from approximately 10-40 x 10^-4g/cm^2 sec. Snow density and sample size apparently have opposite effects on the effective thermal conductivity because of the flow of fluid in snow. The test apparatus is described in detail and is illustrated. The results of the experiments are tabulated, and a least square equation is given which represents the results well.
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    Pages: iv, 14, A2 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory 103
    Language: English
    Note: CONTENTS Preface Summary Introduction Theory Apparatus and experimental procedure Results and discussion References Appendix A: Sample calculations of a and ke
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  • 17
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    Call number: ZSP-202-105
    In: Research report / Cold Regions Research and Engineering Laboratory, 105
    Description / Table of Contents: Summary: A principle of particle segregation by freezing is presented. It is demonstrated experimentally by using a transparent freezing cabinet in which a sample of distilled water freezes from the bottom upward. In this way the freezing front line travels vertically and the particles are carried against gravity. By using the same material with different shapes (glass beads and broken quartz or glass) it is demonstrated that an important factor in particle migration is the shape of the particle or its contact area with the interface. By testing other materials with different shapes and sizes, it is demonstrated that another important factor is particle size and rate of freezing. Fine particles migrate under a wide range of rates of freezing; coarser ones migrate at lower and more limited ranges of rates of freezing. It is suggested that, for determining frost behavior of soils in permafrost regions, freezing from the bottom upward is a more reliable test than freezing from the top down. Freezing from the bottom more closely approximates freezing of the active layer above permafrost; also, friction with the cylinder testing wall is eliminated. The implication of this principle in engineering and studies of soil genesis in cold regions is emphasized.
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    Pages: iv, 8 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory 105
    Language: English
    Note: CONTENTS Preface Summary Introduction Experimental procedure Experimental results Conclusions and recommendations References
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  • 18
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    Call number: ZSP-202-107
    In: Research report / Cold Regions Research and Engineering Laboratory, 107
    Description / Table of Contents: Summary: The formation of lake ice was studied during the winter of 1956-57 at Post Pond, Lyme, N. H. Tabular, columnar, granular, and crenulate textures of 36 blocks of ice observed are discussed in terms of relative growth velocity and shown in a classification chart. Ice structures are characterized by Forel striations, Tyndall figures, bubbles and strain shadows. Average crystal areas increased with ice thickness, the rate of increase being greater toward lake center, and ceased to enlarge when in a continuous bubble layer. The lake-ice sheet grew both from top and bottom, .downward growth resulting from crystals in a favorable vertical orientation of a-axes and upward growth coming about by water flowing on the original upper ice surface and freezing. Exception to this type of growth was found in the lake area which froze first, where individual crystal areas were larger at the surface and there was no upper surface ice accretion. Fabric diagrams of ice outside the anomolous area show a change of optic axis orientation from a high percentage of c-axes vertical near the surface to a high percentage horizontal at the bottom.
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    Pages: iv, 22, A2, B1 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory 107
    Language: English
    Note: CONTENTS Preface Summary Description of the lake Cli rna te of the lake Methods of study Ice textures Crystal size Ice structures Crystal fabric studies Growth of an ice sheet References Appendix A: Weather data Appendix B: Sample data
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  • 19
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    Call number: ZSP-202-117
    In: Research report / Cold Regions Research and Engineering Laboratory, 117
    Description / Table of Contents: Summary: An experiment was designed to investigate operator-variance in the determination of the plastic limit of cohesive soils, independent of sample preparation and hydration time. A standard sample was prepared by dry-mixing commercial clay, "Grundite", with a pure silt. After the sample was hydrated for 3 weeks, five random samples were taken and five replicates performed on each sample. Analysis of variance (AOV) shows that there is no reason to doubt that the sample is homogeneous at the 0.05 level of significance. Random samples were then distributed to five zones of operators, where a zone is defined as a group of operators with similar backgrounds and engineering interests. Two operators from each group performed five replicates. The AOV model used in the analysis is mixed with the upper level fixed and the two lower levels random. The estimated "within" and "between" operator variances are 0. 45 and 4. 18 respectively. The estimated "between zones" contribution to the total sum of squares is negative. No correlation was found between an operator's internal variance and his deviation from the grand mean. On the basis of this experiment, no reason-exists to doubt that an "untrained" operator can obtain results comparable to those of professional operators. The major factor contributing to the total sample variance is the inconsistency between the individual operators who, although able to duplicate their own determinations, do not call the same end point. To minimize between operator variance, a readily prepared standard sample is suggested with which any operator can calibrate his plastic limit determinations against the expected national average.
    Type of Medium: Series available for loan
    Pages: iv, 8 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory 117
    Language: English
    Note: CONTENTS Preface Summary ­Introduction Sample preparation Sample homogeneity Distribution of samples Analysis Conclusions and suggested standardization References
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  • 20
    Call number: AWI G3-24-95571-2
    In: Tektonika Sibiri, Tom 2
    Type of Medium: Monograph available for loan
    Pages: 385 Seiten , Illustrationen , 1 Kartenbeilage, 1 Errata
    Series Statement: Tektonika Sibiri / Akademija Nauk SSSR, Sibirskoe Otdelenie, Naučnyj Sovet po Tektonike Sibiri i Dalʹnego Vostoka Tom 2
    Language: Russian
    Note: Kartenbeilage unter dem Titel: Tektoničeskaja Karta : Central'nogo sektora Sovetskoj Arktiki 〈1: 5 000 000〉 , CONTENTS Foreward Tectonics of Siberian Platform and Its Borderland Bounding Structures of Siberian Platform / Yu. A. Kosygin, I. V. Luchitski History of Development of Structure of North-Western Part of Siberian Platform / Ya. I. Polkin Tectonic Structure of Western Part of Siberian Platform / N. V. Drenov To the Problem of Structure of Pre-Yenisei Marginal Part of Siberian Platform / A. S. Kirillov History of Tectonic Development of South-Western Part of Siberian Platform and Rybinsk Depression / M. A. Zharkov On Peculiarities of Tectonics of Rydinsk Depression / A. I. Anatoljeva Some Relations of Siberian Platform with Its Borderlands / D. I. Musatov Tectonics of Yenisei Ridge / G. I. Kirichenko Structural-Facial Zones of Riphean and Lower Cambrian of Yenisey Ridge and North-Western Part of Eastern Sayan / M. A. Semikhatov On Tectonics of Southern Part of Yenisei Ridge / Yu. Parfenov Tectonics of Bakhta and Ucham River Basin / N. S. Malich On Mechanism of Horst-Formation in Tungussk Syneclise / L. M. PIotnikov On Forms of Structural Connections of Siberian Platform and West-Siberian Plate / K. V. Bogolepov Structure of Basement of Eastern Margin of West-Siberian Plate in Connection with Its General Tectonic Zoning / V. N. SoboIevskaya Structure of Folded Basement of Minusa Intermontane Downwarp and South-Eastern Part of West-Siberian Plate by Geophysical Data / V. S. Surkov Some New Information on Structures of Cretaceous the Eastern Margin of West-Siberian Plate / Yu. F. Pogonya-Stefanovich Tectonics of Sayano-Altai Folded Region Main Principles of Tectonic Classification of Depressions and Downwarps of Orogenic Stage of Development of Eastern Part of Sayano-Altai Region / B. N. Krasilnikov, G. M. Volontey Some Peculiarities of Deep Fractures on the Example of Folded Regions on the South of Krasnoyarsk Territory / D. I. Musatov Principal Features of Tectonics and History of Geologic Development of Eastern Sayan / A. L. Dodin On Tectonic Zonation of Eastern Sayan / V. B. Lyatski Main Features of Tectonics of Eastern Part of Eastern Sayan / O. P. AIexeyeva, V. D. Titov Some Problems of Tectonics of North-Western Part of Eastern Sayan / K. V. Radugin Tectonics of Proterozoic Era of East-Sayan (Derbinsk) Anticlinorium / A. A. SaveIyev Tectonics of Pre-Cambrian Blocks of Eastern Sayan and Khamar-Daban and Their Absolute Age / V. Ya. Khiltova, L. P . Nikitina, I. P. Buzikov, N. A. Avdontsev Main Features of Tectonics of Near-Sayan Structural-Facial Zone / P. I. Shames Problems of Tectonic Development of South-Western Part of Eastern Sayan and Adjacent Regions of Minusa Depressions / E. A. Shneider, B. P. Zubkus Tectonics of Minusa Depressions and of Their Basement / A. A. Mossakovski Some Features of Structure and Development of Western Sayan / L. P. Zonenshain On «Butt-End» (T-form) Conjugation of Structures of Western Sayan, Western Tuva and Mountain Altai / A. M. Borovikov Some Features of Tectonic Development of Territory of Tuva during Late Cambrian and Lower Paleozoic / G. A. Kudryavtsev Main Types of Development of Large Structures of Tuva Intermontane Downwarp / G. M. Volontey Tectonics of Central Sector of Soviet Arctic Tectonic Map of the North of Siberia at the Scale of 1:2 500 000 / I. P. Atlasov The Map of Neotectonics of the North of Siberia at the Scale of 1:2 500 000 / M. T. Kiryushina Tectono-Magmatic Stages of Development of Taimyr-Severnaya Zemlya Folded Region and Connection of Commercial Minerals with them / V. A. Vakar, B. Kh. Egiazarov Pre-Cambrian Basement of Taimyr and Its Deformation during Formation of Folded Region / Yu. E. Pogrebitski Tectonics and Metallogeny On Principles of Tectonic Zoning on the Example of Southern Regions of Krasnoyarsk Territory (in Connection with Problems of Metallogeny) / V. V. Bogatski On Structural-Metallogenic Zoning of Eastern Siberia and the North-East of USSR / S. V. Levchenko Tectonic Control of Trappean Ore-Bearing Intrusions of North-Western Part of Siberian Platform / A. M. ViIenski, G. I. Kavardin Tectonics of Igarka-Norilsk Region and Ore-Controling Structures / G. D. MasIov Laws Governing Localization of Ore Deposits in Norilsk-Igarka Region / V. N. Egorov Internal Structure of Early Caledonian Downwarp of Northern Part of West Sayan and Peculiarities of Its Magmatism / Sh. D. Kurtseraite Index of Regional Tectonic Nomendature Summary , СОДЕРЖАНИЕ Предисловие Тектоника Сибирской платформы и структуры ее обрамления Структуры ограничения Сибирской платформы / Ю. А. Косыгин, И. В. Лучицкий История развития структуры северо-западной: части Сибирской платформы / Я. И. Полькин Тектоническое строение западной части Сибирской платформы / Н. В. Дренов К вопросу о структуре приенисейской окраины Сибирской платформы / А. С. Кириллов История тектонического развития юго-западной части Сибирской платформы и Рыбинской впадины / М. А. Жарков Об особенностях тектоники Рыбинской впадины / А. И. Анатольева Некоторые вопросы соотношения Сибирской платформы с ее обрамлением / Д. И. Мусатов Тектоника Енисейского кряжа / Г. И. Кириченко Структурно-фациальные зоны рифея и нижнего кембрия Енисейского кряжа и северо -западной части Восточного Саяна / М А. Семихатов О тектонике южной части Енисейского кряжа / Ю. И. Парфенов Тектоника бассейна рек Бахты и Учами / Н. С. Малич О механизме горстообразования в Тунгусской синеклизе / Л. М. Плотников О формах структурной связи Сибирской платформы и Западно-Сибирской плиты / К. В. Боголепов Строение фундамента восточной окраины Западно-Сибирской плиты в связи с ее общим тектоническим районированием / В. Н. Соболевская Строение складчатого фундамента Минусинского межгорного прогиба и юго-восточной части Западно-Сибирской плиты по геофизическим данным / В. С. Сурков Некоторые новые данные по структурам мела на восточной окраине Западно-Сибирской плиты / Ю. Ф. Погоня-Стефанович Тектоника Саяио-Алтайской складчатой области Основные принципы тектонической классификации впадин и прогибов орогенного этапа развития восточной части Саяно-Алтайской области / В. Н. Красильников, Г. М . Волонтэй Некоторые особенности глубинных разломов на примере складчатых областей юга Красноярского края / Д. И. Мусатов Основные черты тектоники и истории геологического развития Восточного Саяна / А. Л. Додин К тектоническому районированию Восточного Саяна / В. Б. Ляцкий Основные черты тектоники восточной части Восточного Саяна / О. П. Алексеева, Д. В. Титов Некоторые вопросы тектоники северо-западной части Восточного Саяна / R. В. Радугин Тектоника протерозоя Восточно-Саянского (Дербинского) антиклинория / А. А. Савельев Тектоника докембрийских глыб Восточного Саяна и Хамар-Дабана и их абсолютный возраст / В. Я. Хильтова, Л. П. Никитина, И. П. Бузиков, Н. А. Авдонцев Основные черты тектоники Присаянской структурно-фациальной зоны / И. П. Шамес Вопросы тектонического развития юго-западной части Восточного Саяна и прилегающих районов Минусинских впадин / Е. А. Шнейдер, Б. П. 3убкус Тектоника Минусинских впадин и их фундамента / А. А. Моссаковский Некоторые черты структуры развития Западного Саяна / Л. П. Зоненшайн О торцовом сопряжении структур Западного Саяна, Западной Тувы и Горного Алтая / А. М. Боровиков Некоторые черты тектонического развития территории Тувы в позднем докембрии и нижнем палеозое / Г. А. Кудрявцев Основные типы развития крупных структур Тувинского межгорного прогиба / Г. М. Волонтэй Тектоника центрального сектора Советской Арктики Тектоническая карта севера Сибири масштаба 1:2 500 000 / И. П. Атласов Карта новейшей тектоники севера Сибири масштаба 1:2 500 000 / М. Т. Кирюшина Тектоно-магматические этапы развития Таймыро-Североземельской складчатой области и связь с ними полезных ископаемых / В. А. Вакар, Б. Х. Егиазаров Докембрийский фундамент Таймыра и его деформации в период образования снладчатой области / Ю. Е. Погребицкий Тектоника н металлоrения О принципах тектонического районирования на примере южных районов Красноярского края (в связи с проблемами металлогении) / В. В. Богацкий О структурно-металлогеническом районировании Восточной Сибири и Северо-Востока СССР / С. В. Левченко Тектонический контроль трапповых рудоносных интрузий северо-западной части Сибирской платформы / А. М. Виленский, Г. И. Кавардин Тектоника Игарско-Норильского района и рудоконтролирующие структуры / Г. Д. Маслов Закономерности размещения рудных месторождений в Норильско-Игарском районе / В. Н. Егоров Внутренняя структура раннекаледонского прогиба северной части Западного Саяна и особенности его магматизма / Ш. Д. Курцерайте Указатель региональных тектонических терминов Краткое содержание сборника Резюме , In kyrillischer Schrift , In russischer Sprache mit englischer Zusammenfassung
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  • 21
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    Call number: ZSP-202-118
    In: Research report / Cold Regions Research and Engineering Laboratory, 118
    Description / Table of Contents: Summary: The observation that newly frozen ice sheets, resulting from pools of -water freezing over,- support more than would be predicted by ordinary theory is assessed. A solution is presented for a circular plate on an elastic, sealed foundation. Graphical results are shown for supports at the circumference of the plate. Graphs to obtain moments in a circular plate on an elastic bearing surface, using a sealed or unsealed foundation, are compiled for fixed and simple supports. In reality the foundation may not be completely sealed, calling for discretion in selecting the actual moment. The ability of the refrozen ice sheet to support the extra load is explained by the fact that the water has been sealed between the surface and main sheet of ice and the volume occupied by the water cannot change.
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    Pages: iii, 14 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory 118
    Language: English
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  • 22
    Call number: M 93.0087/2 ; AWI G2-96-0027
    In: The sea ; 2, Vol. 2
    Type of Medium: Monograph available for loan
    Pages: xv, 554 S. , Ill., graph. Darst.
    Language: English
    Note: CONTENTS: THE COMPOSITION OF SEA-WATER. - SECTION I. CHEMISTRY. - 1. THE OCEANS AS A CHEMICAL SYSTEM / BY E. D. GOLDBERG. - 1. The composition of sea-water. - 2. Reactivities of the elements. - 3. Chemical reaction in the oceans and the compositions of the end-products. - 4. Space and time distributions of the elements. - 2. THE INFLUENCE OF ORGANISMS ON THE COMPOSITION OF SEAWATER / BY A. C. REDFIELD, B. H. KETCHUM AND F. A. RICHARDS. - 1. Introduction. - 2. The biochemical cycle. - 3. The biochemical circulation. - 3. ARTIFICIAL RADIOACTIVITY IN THE SEA / BY Y. MIYAKE. - 1. Artificial radioactivity in oceanic waters. - 2. Enrichment of radioactive substances in marine products. - 3. Artificial radioactivity as a tracer of water movements in the ocean. - 4. Disposal of radioactive waste in the ocean. - 4. RADIOISOTOPES AND LARGE-SCALE OCEANIC MIXING / W. BROECKER. - 1. Introduction. - 2. Useful isotopes. - 3. Steady-state distribution of 14C. - 4. Ocean-atmosphere CO2 exchange rates. - 5. Oceanic mixing models. - 6. Industrial CO2 effect. - 7. 226Ra distribution. - 8. 90Sr distribution. - 9. Non-steady-state conditions. - 10. Conclusion. - 5. CHEMICAL INSTRUMENTATION / BY D. E. CARRITT. - 1. Introduction. - 2. Chlorinity, salinity, density and related properties. - 3. Water tagging and tracer techniques. - 4. Measurement of dissolved gases. - 6. WATER SAMPLING AND THERMOMETERS / BY H. F. P. HERDMAN. - 1. Sampling. - 2. Thermometry. - SECTION II. FERTILITY OF THE OCEANS. - 7. PRODUCTIVITY, DEFINITION AND MEASUREMENT / BY E. STEEMANN NIELSEN. - 1. Introduction. - 2. Definitions. - 3. Methods for measuring primary production. - 4. The relation between the rate of gross production and net production below a surface unit. - 5. Transparency of the water versus organic production. - 6. The significance of single individual measurements of primary production. - 7. The influence of weather conditions. - 8. ORGANIC REGULATION OF PHYTOPLANKTON FERTILITY / BY L. PROVASOLI. - 1. Introduction. - 2. Data from chemical analysis. - 3. Organic products of algae and bacteria. - 4. Nutritional requirements of marine algae. - 5. Crustacea and organic solutes. - 6. Data from biological analysis of sea-water. - 7. Prospects. - 8. Addendum. - 9. BIOASSAY OF TRACE SUBSTANCES / BY W. L. BELSER. - 1. Introduction. - 2. Vitamins. - 3. Amino acids. - 4. Purines and pyrimidines. - 5. Perspectives. - COMPARATIVE AND DESCRIPTIVE OCEANOGRAPHY. - SECTION III. CURRENTS. - 10. EQUATORIAL CURRENT SYSTEMS / BY J. A. KNAUSS. - 1. Methods of study of ocean currents. - 2. Gross circulation pattern. - 3. A two-layer ocean - the thermocline. - 4. Zonal fiow-geostrophic currents. - 5. Meridional flow-upwelling. - 6. Conclusions and speculations. - 11. EASTERN BOUNDARY CURRENTS / BY W. S. WOOSTER AND J. L. REID, JR. - 1. Introduction. - 2. Common features of eastern boundary currents. - 3. Coastal upwelling. -4. Poleward eastern boundary currents. - 5. Biological implications. - 12. THE SOUTHERN OCEAN / BY G. E. R. DEACON. - 1. Topography. - 2. Oceanographic data. - 3. Wind zones. - 4. The water-masses. - 5. Climatology and zoogeography. - 6. Nutrient salts. - 7. Future needs. - 13. DEEP-CURRENT MEASUREMENTS USING NEUTRALLY BUOYANT FLOATS / BY G. H. VOLKMANN. - 1. Introduction. - 2. The pinger. - 3. Measurements. - 14. DROGUES AND NEUTRAL-BUOYANT FLOATS / BY J. A. KNAUSS. - 15. ESTUARIES / BY W. M. CAMERON AND D. W. PRITCHARD. - 1. Definition of estuaries. - 2. General considerations. - 3. Estuarine circulation patterns. - 4. Some variations on the estuarine sequence. - 5. Flushing in estuaries. - 6. Dynamics of estuaries. - 7. Kinematic description of the distribution of properties in an estuary. - 16. APPLICATIONS OF THE GYROPENDULUM / BY W. S. VON ARX. - 1. Introduction. - 2. The gyropendulum. - 3. The problem of time variations. - SECTION IV. BIOLOGICAL OCEANOGRAPHY. - 17. GEOGRAPHIC VARIATIONS IN.PRODUCTIVITY / BY J. H. RYTHER. - 1. Introduction. - 2. Incident radiation. - 3. Transparency. - 4. Nutrients. - 5. Latitudinal variations in the stability of surface water. - 6. Productivity of the major oceanic regions. - 7. Hydrodynamic features which influence productivity. - 8. Plankton production in coastal and inshore waters. - 9. Production of benthic plant communities. - 18. BIOLOGICAL SPECIES, WATER-MASSES AND CRRRENTS / BY M. W. JOHNSON AND E. BRINTON. - 1. Introduction. - 2. Water-masses and biological species. - 3. Water currents and biological species. - 19. COMMUNITIES OF ORGANISMS / BY E. W. FAGER. - 1. Introduction. - 2. Definition of community. - 3. Identification of communities. - 4. Community structure. - 5. Community function. - 6. Community theory. - 20. THEORY OF FOOD-CHAIN RELATIONS IN THE OCEAN / BY G. A. RILEY. - 1. Introduction. - 2. Mathematical models of plankton populations. - 3. Complex versus simple models. - 4. Prognosis for mathematical models. - 5. Higher elements of the food chain. - 21. FISHERY DYNAMICS - THEIR ANALYSIS AND INTERPRETATION / BY M. B. SCHAEFER AND R. J. H. BEVERTON. - 1. Introduction. - 2. The Beverton-Holt approach. - 3. The Schaefer approach. - 4. Concluding remarks. - SECTION V. OCEANOGRAPHICAL MISCELLANEA. - 22. SEASONAL CHANGES IN SEA-LEVEL / BY JUNE G. PATTULLO. - 1. Introduction. - 2. The observed seasonal variations. - 3. Factors influencing variations in sea-level. - 4. Summary. - 5. Conclusions. - 23. BATHYSCAPHS AND OTHER DEEP SUBMERSIBLES FOR OCEANOGRAPHIC RESEARCH / BY R. S. DIETZ. - 1. Introduction. - 2. Diving chambers. - 3. Bathyscaphs. - 4. Diving saucer. - 5. Buoyant-hulled deep ships or bathynauts. - 6. Deep-research vessel (D.R.V.). - 7. Remote underwater manipulator (RUM). - 8. Concluding remarks. - 24. DEEP-SEA ANCHORING AND MOORING / BY JOHN D. ISAACS. - 1. Introduction. - 2. Historical background. - 3. Problems of taut-mooring. - 4. Remarks on components of moorings. - 5. Mooring cables. - 6. The anchors. - 7. Fittings. - 8. Performance. - AUTHOR INDEX. - SUBJECT INDEX.
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  • 23
    Monograph available for loan
    Monograph available for loan
    Associated volumes
    Call number: G 5517 2.Ex. ; AWI G2-96-0028
    In: The sea ; 3, Vol. 3
    Type of Medium: Monograph available for loan
    Pages: XVI, 963 S. : Ill., graph. Darst., Kt.
    Edition: 1. publ.
    Language: English
    Note: CONTENTS: SECTION I. GEOPHYSICAL EXPLORATION. - 1. ELEMENTARY THEORY OF SEISMIC REFRACTION AND REFLECTION MEASUREMENTS / BY J. I. EWING. - 1. Introduction. - 2. Reflected waves. - 3. Refracted waves. - 4. Computation of layer velocities and thicknesses. - 5. Shear waves and complex refracted waves. - 6. Some complications and deviations from simple theory. - 2. REFRACTION AND REFLECTION TECHNIQUES AND PROCEDURE / BY G.G. SHOR, JR. - 1. Introduction. - 2. Shooting techniques. - 3. Receiving techniques. - 4. Plan of operations. - 5. Miscellaneous variations. - 6. Reflection methods. - 3. SINGLE-SHIP SEISMIC REFRACTION SHOOTING / BY M. N. HILL. - 1. Introduction. - 2 . Instrumentation. - 3. Operation. - 4 . CONTINUOUS REFLECTION PROFILING / BY J. B. HERSEY. - 1. Introduction. - 2. Design. - 3. Operations at sea. - 4. Results. - 5. Interpretations. - 6. Geophysical measurements. - 7. Concluding remarks. - 5. THE UNCONSOLIDATED SEDIMENTS / BY J. I. EWING AND J. E. NAFE. - 1. Introduction. - 2. Evidence for gradients and low-velocity sediments. - 3. Variable angle reflections. - 4. Normal-incidence reflections. - 5. Summary. - 6. THE CRUSTAL ROCKS / BY R. W. RAITT. - 1. Introduction. - 2. Layer 2. - 3. Layer 3. - 4. Average oceanic crust. - 7. THE MANTLE ROCKS / BY J. I. EWING. - 1. Introduction. - 2. Compressional-wave measurements. - 3. Shear-wave measurements. - 4. Summary. - 8. EXPLORATION OF SUB-OCEANIC STRUCTURE BY THE USE OF SEISMIC SURFACE WAVES / BY J. OLIVER AND J. DORMAN. - 1. Introduction. - 2. The general nature of seismic surface waves. - 3. Evidence from mantle surface waves. - 4. Evidence from crustal surface waves. - 5. Evidence from short-period surface waves. - 9. GRAVITY AT SEA / BY J. LAMAR WORZEL AND J. C. HARRISON. - 1. Introduction. - 2. Methods and theory. - 3. Gravity observations and geological interpretations. - 10. THE MAGNETIC FIELD OVER THE OCEANS / BY E. C. BULLARD AND R. G. MASON. - 1. Historical. - 2. Measurement of the magnetic field at sea. - 3. General features of the field. - 4. Reduction of magnetic observations. - 5. The magnetic properties of submarine rocks. - 6. The magnetic surveys of the north-east Pacific. - 7. The continental shelves. - 8. Seamounts and mid-ocean ridges. - 9. The deep trenches. - 11 . THE FLOW OF HEAT THROUGH THE FLOOR OF THE OCEAN / BY E. C. BULLARD. - 1. Method. - 2. The temperature probe. - 3. The thermal properties of sediments. - 4. The results of heat-flow measurements. - 5. Future work. - SECTION II . TOPOGRAPHY AND STRUCTURE. - 12. TOPOGRAPHY OF THE DEEP-SEA FLOOR / BY BRUCE C. HEEZEN AND H. W. MENARD. - 1 . Introduction. - 2 . Outline of submarine topography. - 3. Summary of submarine topographic forms. - 13. CONTINENTAL SHELF AND SLOPE (CONTINENTAL MARGIN) / BY A. GUILCHER. - 1. Definitions. - 2. Topography of the continental shelf. - 3. Topography of the continental slope. - 4. Structure and origins of the continental margins. - 5. Conclusion. - 14. ABYSSAL PLAINS / BY BRUCE C. HEEZEN AND A. S. LAUGHTON. - 1. Introduction. - 2. Regional description. - 3. Trench abyssal plains. - 4. Archipelagic plains. - 5. Abyssal gaps, interplain channels, mid-ocean canyons and deep-sea channels. - 6. Sediments on the abyssal plains. - 7. Geophysical characteristics. - 8. Theories of the origin of the abyssal plains. - 15. OCEANIC ISLANDS, SEAMOUNTS, GUYOTS AND ATOLLS / BY H. W. MENARD AND H. S. LADD. - 1. Introduction. - 2. Oceanic islands. - 3. Seamounts. - 4. Guyots. - 5. Atolls. - 6. Submerged atolls. - 7. Oceanic volcanoes in geological time. - 8. Importance of islands and seamounts. - 16. THE MID-OCEANIC RIDGE / BY BRUCE C. HEEZEN AND MAURICE EWING. - 1. Introduction. - 2. North Atlantic. - 3. South Atlantic. - 4. Indian Ocean. - 5. Indian and South Pacific Oceans. - 6. Iceland and the Norwegian Sea. - 7. Arctic Basin. - 8. Crustal structure. - 9. Origin. - 17. TRENCHES / BY R. L. FISHER AND H. H. HESS. - 1. Previous work. - 2. Topography of trenches. - 3. Structure of trenches. - 18. MICROTOPOGRAPHY / BY A. S. LAUGHTON. - 1. Introduction. - 2. Classification of microtopographic features. - 19. UNDERWATER PHOTOGRAPHY / BY H. E. EDGERTON. - 1. Introduction. - 2. Camera details. - 3. Cables and winches for cameras. - 20. SUBMARINE CANYONS / BY F. P. SHEPARD. - 1. Introduction. - 2. Classification of submarine valleys. - 3. Canyon descriptions. - 4. East coast U.S. (New England type) canyons. - 5. Trough-shaped valleys. - 6. Delta foreset-slope gullies. - 7. Shallow straight-walled valleys of submarine escarpments. - 8. Origin of submarine canyons. - 9. Subaerial erosion. - 10. Pleistocene canyon cutting by turbidity currents. - SECTION III. SEDIMENTATION. - 21. BEACH AND NEARSHORE PROCESSES. - PART I. MECHANICS OF MARINE SEDIMENTATION / BY R. A. BAGNOLD. - 1. Definition, origin and relevant physical properties. - 2. Transport during fall through the sea. - 3. Transport of sediment over the sea bed. - 4. Transport rate and fluid "power". - 5. Auto-suspension of sediment: turbidity currents , etc. - 6. Wave drift. - 7. Threshold of bed disturbance by fluid action. - PART II. LITTORAL PROCESSES / BY D. L. INMAN AND R. A. BAGNOLD. - 8. Introduction. - 9. Littoral profile: two-dimensional case. - 10. Migration of sand grains by wave action. - 11. Littoral processes: three-dimensional case. - 12. Discussion. - 22. SHALLOW-WATER CARBONATE SEDIMENTS / BY R. N. GINSBURG, R. MICHAEL LLOYD, K. W. STOCKMAN AND J. S. MCCALLUM. - 1. Introduction. - 2. Types of skeletal particles. - 3. Skeletal particles in sediments. - 4. Distribution of skeletal particles. - 5. Discussion of the distribution of skeletal particles. - 6. Non-skeletal particles. - 7. Distribution of non-skeletal particles. - 23. BASIN SEDIMENTATION AND DIAGENESIS / BY I. R. KAPLAN AND S. C. RITTENBERG. - 1. Introduction. - 2. Physical aspects of sedimentation. - 3. Diagenesis in sediments. - 4. Isotopic studies related to biological processes in sediments. - 5. Special problems. - 24. ESTUARIES, DELTAS, SHELF, SLOPE / BY A. GUILCHER. - 1. Estuaries, tidal marshes and flats, and deltas. - 2. Continental shelf. - 3. Continental slope. - 25. PELAGIC SEDIMENTS / BY G. ARRHENIUS. - 1. Concept of pelagic sedimentation. - 2. Composition. - 3. Productivity control of pelagic sedimentation. - 4. Physical stratification. - 5. Topographic and tectonic control of sedimentation. - 26. CLAY-MINERAL DISTRIBUTIONS IN THE PACIFIC OCEAN / BY J. J. GRIFFIN AND E. D. GOLDBERG. - 1. Introduction. - 2. The clay minerals. - 3. Surface distribution of clay minerals. - 4. Vertical distribution. - 5. Summary. - 27. TURBIDITY CURRENTS / BY BRUCE C. HEEZEN. - 1. Early views. - 2. Full-scale experiment. - 3. Alternative explanations. - 4. Physiographic evidence. - 5. Sediments. - 6. Requirements of turbidity currents. - 7. Tectonic significance of turbidity currents. - 8. Biological significance of turbidity currents. - 9. Other processes of deep-sea erosion and transportation. - 10. Conclusion. - 28. ORGANIC TRANSPORTATION OF MARINE SEDIMENTS / BY K. O. EMERY. - 1. Introduction. - 2. Kelp. - 3. Driftwood . - 4. Sea mammals. - 5. Fishes. - 6. Birds. - 7. Invertebrates. - 8. Comparison with inorganic transporting agents. - 9. Criteria for recognition of rafting agent. - 29. PHYSICAL PROPERTIES OF MARINE SEDIMENTS / BY J. E. NAFE AND C. L. DRAKE. - 1. Introduction. - 2. Relationships among observables. - 3. Methods of measurement. - 4. Summary of results. - 5. Conclusions. - 30. AGE DETERMINATION IN SEDIMENTS BY NATURAL RADIOACTIVITY / BY F. F. KOCZY. - 1. Introduction. - 2. Theoretical considerations. - 3. Geochemical considerations. - 4. Practical methods of age determination. - 5. Rate of sedimentation. - 31. CROSS-CORRELATION OF DEEP-SEA SEDIMENT CORES AND DETERMINATION OF RELATIVE RATES OF SEDIMENTATION BY MICRO-PALEONTOLOGICAL TECHNIQUES / BY D. B. ERICSON. - 1. Introduction. - 2. Methods of correlation. - 3. Time-equivalence of the faunal zones. - 4. Some example
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  • 24
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    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-99
    In: Research report / Cold Regions Research and Engineering Laboratory, 99
    Description / Table of Contents: Summary: A study of how age hardening affects the various mechanical properties of processed snow was made. A description of how the age hardening process is affected by the variables of density, temperature, grain size, and shape is given. An empirical equation relating creep rate to stress, age, and density was obtained. The study also shows that the various mechanical properties are related to age by an exponential function.
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    Pages: iv, 12 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory 99
    Language: English
    Note: CONTENTS Preface Summary Introduction Experimental facilities Experimental in-place measurements Density and homogeneity of processed snow Ram hardness Temperature measurements Mechanical properties Unconfined compressive strength Stress-strain relationships in unconfined compress ion Creep in unconfined compression Tensile strength Discussion of results References
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  • 25
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    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-100
    In: Research report / Cold Regions Research and Engineering Laboratory, 100
    Description / Table of Contents: From the Summary: During the summer of 1960, observations were made of ground fog on the Greenland Ice Cap and of sea fog in the Thule area in northwestern Greenland. A microscope-stage-fog impactor was designed, and its collection efficiency determined both empirically and by computation from the theoretical work of Langmuir and Blodgett (1946). The empirical efficiency was found to be considerably greater than the theoretical efficiency.
    Type of Medium: Series available for loan
    Pages: iv, 13 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory 100
    Language: English
    Note: CONTENTS Preface Summary Introduction Method Design and operation of the impactor Collection efficiency Computation from theoretical values of Langmuir and Blodgett Empirical values Observations and results Fog on the ice cap Sea fog near Thule Discussion Conclusions References
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  • 26
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    Wilmette, Ill. : Snow Ice and Permafrost Research Establishment, Corps of Engineers, U.S. Army
    Associated volumes
    Call number: ZSP-202-70
    In: Research report / Cold Regions Research and Engineering Laboratory, 70
    Type of Medium: Series available for loan
    Pages: 93 Seiten , Karten
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory 70
    Language: English
    Note: CONTENTS: Preface. - Summary. - Chapter I. Introduction. - Operations and logistics. - Chapter II. Methods of investigation. - Region of investigation. - Pit studies. - Elevation measurements. - Chapter Ill. Stratigraphy and accumulation. - Introduction. - Diagenesis without melt. - Diagenesis with melt. - Diagenetic facies defined on glaciers. - Grain size. - Description of three stratigraphic features. - Principles of stratigraphic interpretation. - Selection of a reference datum in the annual stratigraphic sequence. - Stratigraphic correlation. - Distribution of annual accumulation. - Independent checks on the stratigraphic interpretations. - Chapter IV. Temperature distribution. - Seasonal temperature variation on the snow surface. - Seasonal temperature variation below the snow surface. - Distribution of mean annual temperature on the ice sheet. - Chapter V. Diagenetic facies- a classification of glaciers. - Temperature. - Hardness. - Density. - Glacier facies - a classification of glaciers. - Chapter VI. Densification of snow and firn. - Load-volume relationship. - Depth-density relationship. - Chapter VII. Climatological implications. - Introduction. - Katabatic winds and accumulation. - Annual heat exchange. - The balance of the Greenland Ice Sheet. - References. - Appendix A: Stratigraphy, meteorology and glaciology. - Appendix B: Mean annual temperature. - Appendix C: The data sheets.
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  • 27
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    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-94
    In: Research report / Cold Regions Research and Engineering Laboratory, 94
    Description / Table of Contents: Summary: A new mechanism is described which explains the formation of moraines in the ablation areas of cold ice caps. The mechanism involves the freezing of water onto the bottom surface of an ice cap. This water comes from regions of the bottom surface where the combination of the geothermal heat and the heat produced by sliding of ice over the bed is sufficient to melt ice. A number of criticisms are made of the shear hypothesis, which has been advanced to explain moraines occurring on Baffin Island and near Thule, Greenland. It is concluded that this older hypothesis may be inadequate to account for these moraines. Although in theory the mechanism proposed here undoubtedly would lead to the formation of moraines, the existing field data are insufficient to prove conclusively that actual moraines have originated in this way.
    Type of Medium: Series available for loan
    Pages: iv, 12 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory 94
    Language: English
    Note: CONTENTS Preface Summary Introduction Comments on the shear hypothesis Appearance of the debris layers The possibility of cold ice scraping up debris The shear across a debris layer The geometry of the debris layers Freezing model Theory Discussion Conclusion References
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  • 28
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    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-90
    In: Research report / Cold Regions Research and Engineering Laboratory, 90
    Description / Table of Contents: Summary: A new method is presented for extracting more meaningful information from snow profile data which will simplify the study of the permeability of snow. Earlier analyses normally employed statistical methods to determine property variations with depth, with the line of mean values established by the method of least squares. The mean curves derived in this manner may not represent properly the true nature of the snow pack, or aid in understanding the dynamic processes which are in action. The new graphical methods described distinguish the separate effects of densification and thermal metamorphism on permeability, permitting future advances in the analysis. Profile data obtained in 1954 and 1960 are reanalyzed using the new techniques. For a natural polar pack under conditions when no melting occurs and the accumulation is assumed continuous, the following conclusions may be made: permeability for a given density of snow increases with depth and time except possibly near the surface or at depths below 30 m; the rate of permeability change with depth for given densities decreases in a calculable way relative to the density; and, mean permeability changes with depth in a complex manner.
    Type of Medium: Series available for loan
    Pages: iv, 14, A3, B2, C2 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory 90
    Language: English
    Note: CONTENTS Preface Summary Introduction Standard methods of data presentation- A class interval method of data presentation Interpretation of the numerical data Interpretation of thin sections Conclusions References Appendix A Appendix B Appendix C
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  • 29
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    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-95
    In: Research report / Cold Regions Research and Engineering Laboratory, 95
    Description / Table of Contents: Summary: An investigation was conducted at Camp Century, Greenland, to study the feasibility of using air wells to cool undersnow structures in the arctic during the summer months. From results obtained during the summers of 1959,and 1960 and late November, 1960, it was found that the air well is a practical and effective means of providing a -20°C air supply at volumetric flow rates of 1200 to 1700 ft^3/min. The extent and rate of warming of the snow beneath the trench floor by heat exchange between the air and the snow foundation was found to depend upon trench air temperature, fan capacity, fan arrangement, and casing length. For example, in a well cased to a depth of 17. 5 ft and equipped with a 5 hp fan drawing in air at a rate of 1700 ft^3/min, the maximum warming was found to be 12.5°C during a 42-day period. Snow temperature differences of about 7°C were found between similar trenches with and without a fan installation. The minimum permissible distance between two adjacent fans to eliminate, overlap in warming up the snow foundation is approximately 80 ft.
    Type of Medium: Series available for loan
    Pages: iv, 17 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory 95
    Language: English
    Note: CONTENTS Preface Summary Theoretical background Test method and equipment Test operations Effectiveness of the air well Estimation of fan capacity Natural cooling in winter Change of trench foundation temperature Trench wall warm-up Conclusions and recommendations
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  • 30
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    Novosibirsk : Izdatel'stvo Sibirskogo otdelenija AN SSSR
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    Call number: AWI G3-24-95571-1
    In: Tektonika Sibiri, Tom 1
    Type of Medium: Monograph available for loan
    Pages: 396 Seiten , Illustrationen , 1 Kartenbeilage
    Series Statement: Tektonika Sibiri / Akademija Nauk SSSR, Sibirskoe Otdelenie, Naučnyj Sovet po Tektonike Sibiri i Dalʹnego Vostoka Tom 1
    Language: Russian
    Note: CONTENTS Preface General Problems On the Basis Systems and Types of Tectonic Structures of Meso-Cenozoic Continent of Asia / Yu. A. Kosygin, I. V. Lutchitski Scheme of Classification and General Regularities of Distribution of Mesozoic and Cenozoic Tectonic Depressions of Platforms and Folded Zones of Northern and Eastern Asia / A. S. Khomentovski West Siberia and Kazakhstan Tectonics of Eastern Versant of the Urals Within the Area of Mesozoic and Paleogene Deposits / N. I. ArkhangeI'ski New Geophysical Data on Tectonics of Middle Ob' Area / N. I. PavIenkova Mesozoic Structures of the Region of Southern Paleozoic Boundaries of West Siberian Lowland / A. L. Matveyevskaya The Kazakhstan Depressions / E. D. ShIygin Materials on Morphology and History of Development of Recent Structures of Eastern Kazakhstan and Some Theoretic Problems / F. S. Moiseyenko Recent Tectonics of Western Parf of Altai-Sayan Region / F. S. Moiseyenko Some Problems of Tectonic Structure of Eelee Depression / A. B. Lee To the Problem of Structure of Mesozoic Structural Stage of Tuva / G. M. VoIontei On Relation of Mesozoic and Paleozoic Structures of Northern Part of Minusa. Intermontane Downwarp and Adjacent Part of West Siberian Plate / A. G. Kats, B. N. Krasil'nikov Tectonics of South-Western Part of West Siberian Lowland According to Geophysical Data / V. S. Surkov To the Problem of Tectonic Structure of the Region of Conjugation of West Siberian Plate and Siberian Platform / K. V. BogoIepov, A. P. Shevtsov New Data on the North-Western Hypogene Extension of Yenisei Mountain Ridge Under Mesozoic Cover of West Siberian Plate / I. M. Tabatski, A. Ya. Chupakhin The Arctic region The Tectonic Map of Meso-Cenozoic Downwarps of Norther Part of Siberian Platform of Scale 1:250 000 and the Method of Its Construction / I. P. AtIasov Main Features of Recent Tectonics and of Development of Endogenous Relief of Polar Part of Mesozoic Downwarp of Middle Siberia / S. A. StreIkov Eastern Siberia and Transbaikalian Region Basis Features of Tectonics of Mesozoic and Cenozofc Deposits of Yakutia / K B. Mokshantsev, V. V. YeIovskikh Tectonic Structure and Principal Stages of Formation of Verkhoyansk Downwarp / A. V. Leiptsig, V. V. Panov Tectonics of Western Part of Vilui Depression / G. S. Fradkin Recent Tectonics of Vilui Depression and its Relation to Ancient Structures / V. V. ZabaIuyev Tectonics of South Yakutian Downwarp / V. V. Mokrinski To the Problem of History of Formation of Meso-Cenozoic Depressions of Aldan Shield / A. G. Kats On Meso-Cenozoic Structure of Near-Baikal Region / N. A. FIorensov Geologic Structure of Meso-Cenozoic Depressions of Central Part of Vitim High Plateau / P. V. Osokin, V. V. BaIkhanov On Cenozoic History of Some Parts of Vitim High Plateau and Ikat Mountain Rarige (Upper Course of Vitim River) / A. N. BuIgatov To the Problem of Meso-Cenozoic Structures of Buryatia / Ts. O. Ochirov On Tectonics of Buryat ASSR Area / G. A. Kibanov Geologic-Tectonic Outline of Central Transbaikalian Region / V. V. Starchenko Formations and Tectonics of Mesozoic Downwarps of Mongolo-Okhotsk Belt / M. S. Nagibina The Far East Basis Problems of Tectonics of Central Part of the Far East (South of Khabarovsk Territory and Amur Region) / L. I. Krasny Tectonics of Meso-Cenozoic Superposed Downwarp of Djugdjur Foothills / V. M. MoraIev Meso-Cenozoic Depressions of Southern Part of the Far East / Yu. B. Ustinovski Some Specific Features of Tectonics of Tertiary Sedimentary Beds of Southern Part of Sikhote-Alin' / Yu. Ya. Gromov China Geologic Structure of Mesozoic Depressions of China / M. I. Varentsov, Van Tszin-bo, G. E. Ryabukhin, A. I. Levchenko Appendix: To the Problem of Existeme of the «Kellog-Teul'ches arch» / Yu. F. Pogonya-Stefanovich On the Article of Yu. F. Pogonya-Stefanovich / K. V. BogoIepov Resolution of the Scientific Council on Tectonics of Siberia and the Far East Programm of Investigation of Mesozoic and Cenozoic Depressions of Siberia and the Far East Index of Local Tectonic Nomenclature , СОДЕРЖАНИЕ Предисловие Общие вопросы Об основных системах и типах тектонических структур мезозойско-кайнозойского континента Азии / Ю. А. Косыгин, И. В. Лучицкий Схема классификации и общие закономерности размещения тектонических мезозойских и кайнозойских впадин платформ и складчатых зон Северной и Восточной Азии / А. С. Хоментовский Западная Сибирь и Казахстан Тектоника восточного склона Урала в пределах распространения мезозойских и палеогеновых отложений / Н. И. Архангельский Новые геофизические данные о тектонике среднего Приобья / Н. И. Павленкова Мезокайнозойские структуры области южного палеозойского обрамления Западно-Сибирской низменности / А. Л. Матвеевская Впадины Казахстана / Е. Д. Шлыгин Материалы по морфологии и истории развития новейших структур Восточного Казахстана и некоторые вопросы теории / Ф. С. Моисеенко Новейшая тектоника западной части Алтае-Саянской области / Ф. С. Моисеенко Некоторые вопросы тектонического строения илийской впадины / А. Б. Ли К вопросу о строении мезозойского структурного яруса Тувы / Г. М. Волонтэй О соотношении мезозойских и палеозойских структур в северной части Минусинского межгорного прогиба и прилежащей части Западно-Сибирской плиты / Я. Г. Кац, Б. Н. Красильников Тектоника юго-восточной части Западно-Сибирской низменности по геофизическим данным / В. С. Сурков К вопросу о тектоническом строении области сопряжения Западно-Сибирской плиты и Сибирской платформы / К. В. Боголепов, А. П. Шевцов Новые данные о северо-западном глубинном продолжении Енисейского кряжа под мезозойским чехлом Западно-Сибирской плиты / И. М. Табацкий, А. Я. Чупахин Арктика Тектоническая карта мезокайнозойских прогибов севера Сибирской платформы в масштабе 1:2 500 000 и метод ее составления / И. П. Атласов Главнейшие черты новейшей тектоники и развития эндогенного рельефа заполярной части мезозойских прогибов средней Сибири / С. А. Стрелков Восточная Сибирь и Забайкалье Основные черты тектоники мезозойских и кайнозойских отложений Якутии / К. Б. Мокшанцев, В. В. Еловских Тектоническое строение и основные этапы формирования Приверхоянского прогиба / А. В. Лейпциг, В. В. Панов Тектоника западной части Вилюйской впадины / Г. С. Фрадкин Новейшая тектоника Вилюйской синеклизы и связь ее с древними структурами / В. В. Забалуев Тектоника Южно-Якутского краевого прогиба / В. В. Мокринский К вопросу об истории формирования мезокайнозойских впадин Алданского щита / А. Г. Кац О мезозойско-кайнозойской структуре Прибайкалья / Н. А. Флоренсов Геологическое строение мезокайнозойских впадин центральной части Витимского плоскогорья / П. В. Осокин, В. В. Балханов О кайнозойской истории Витимского плоскогорья и Икатского хребта (бассейн верховья р. Витим) / А. Н. Булгатов К вопросу о мезокайнозойских структурах Бурятии / Ц. О. Очиров К тектонике территории БАССР / Г. А. Кибанов Геолого-тектонический очерк Центрального Забайкалья / В. В. Старченко Формации и тектоника мезозойских прогибов Монголо-Охотского пояса / М. С. Нагибина Дальний Восток Основные вопросы тектоники центральной части Дальнего Востока (юг Хабаровского края и Амурская область) / Л. И. Красный Тектоника Предджугджурского мезокайнозойского наложенного прогиба / В. М. Моралев Мезозойско-кайнозойские впадины южной части Дальнего Востока / Ю. Б. Устиновский Некоторые особенности тектоники третичных осадочных толщ южной части Сихотэ-Адиня / Ю. Я. Громов Китай О геологическом строении мезокайнозойских впадин Китая / М. И. Варенцов, Ван Цзин-бо, Г. Е. Рябухин, А. И. Левченко Приложение К вопросу о существовании «Келлоr-Теульчесского вала» / Ю Ф. Погоня-Стефанович О заметке Ю. Ф. Погони-Стефановича / К. В. Боголепов Решение научного совета по тектонике Сибири и Дальнего Востока Программа исследования мезозойских и кайнозойских впадин Сибири и Дальнего Востока Указатель региональных тектонических терминов , In kyrillischer Schrift
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  • 31
    Series available for loan
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    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-108
    In: Research report / Cold Regions Research and Engineering Laboratory, 108
    Description / Table of Contents: Summary: The theory of snow densification is further developed on the basis of an exponential relation between viscosity and density. A linear relation between load-stress and strain rate is not valid for high stresses, and is replaced by a hyperbolic sine function. An empirical function is given for the temperature cycle correction. Two equations are derived for calculating depth-density curves with computers, and a simplified one for use with desk calculators. Instructions are given for determination of function parameters from field data. Four depth-density curves for Greenland and Antarctic locations are computed and graphed to show that the theory is useful.
    Type of Medium: Series available for loan
    Pages: iv, 18, A3, B5 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory 108
    Language: English
    Note: CONTENTS Preface Summary Introduction Notation Stress analysis Analysis of densification process Non-Newtonian densification Equation for hyperbolic sine densification law Determination of parameters Discussion Glaciological engineering aspects References Appendix A: Example of calculation Appendix B: Snow density profiles
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  • 32
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    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-85,2
    In: Research report / Cold Regions Research and Engineering Laboratory, 85,2
    In: The frost behavior of soils : laboratory and field data for a new concept, Part II
    Description / Table of Contents: Laboratory experiments were performed with a specil closed-system side-freezing cabinet in which completely saturated soil samples were subjected to alternate freeze-thaw cycles without surcharge. A vertical or nearly vertical freezethaw plane was obtained in the side-freezing cabinet. The soil used was a straight graded noncohesive material with 14 finer than the No. 200 0.074 mm mesh sieve. According to frost criterion based only on gradation, the soil would be classified as a never frost-heaving moraine soil or non-frost-susceptible. All experiments were run for 20 and 22 cycles. Freezing rates used were as follows 30.0 mmhr 33.0 mmhr and 4 .0 mmhr. The initial dry density was approximately constant for each test at 1.8 gcm3 or 112.4 lbft3, and complete saturation was maintained in the tests.
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    Series Statement: Research report / Cold Regions Research and Engineering Laboratory 85,2
    Language: English
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  • 33
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    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-88
    In: Research report / Cold Regions Research and Engineering Laboratory, 88
    Description / Table of Contents: Summary: Four ground patterns were investigated by means of trenches cut in the outwash near Thule, Greenland: circular and linear depressions in unsorted material, polygonal troughs in unsorted material, sorted circles, and irregular mounds and depressions of low relief formed in unsorted finer grained material. Correlation is made between surface pattern, grain size and structure of the active layer, and type and distribution of ground ice for the patterns investigated. Classification of the active layer as disturbed, slightly disturbed, and undisturbed is based on the condition of primary depositional bedding and the presence or absence of vertical sorting. Other features of the active layer, depending upon its type, are an accumulation of fines at the bottom of the active layer and on top of stones, and a siliceous calcareous evaporite on the under surface and clean washed coarser particles beneath the larger stones. Fabric analysis of four kinds of ground ice is presented: ice wedge, relict ice, ice mass, and ice lens, as well as analysis of the contact of ice wedges with relict and mass ice. Practical applications, based on the conclusions, are given for the selection of foundation sites and the location of non-frost-susceptible building materials. NOTE: This is a very large file. Please give your browser several minutes to download the file.
    Type of Medium: Series available for loan
    Pages: viii, 79 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory 88
    Language: English
    Note: CONTENTS Preface Summary Introduction Glossary Part 1 : Surface pattern, structure of the active layer, and type and distribution of ground ice in the permafrost Pattern type 1: Circular and linear depressions in unsorted outwash Circular depressions, area 1 Structure of the active layer Ground ice and its relation to surface morphology Linear depressions, area 5 Structure of the active layer Ground ice and its relation to surface morphology Pattern t ype 2 and 3: Polygonal troughs in unsorted outwash and sorted circles or centers of fines Area 3 Structure of the active layer Ground ice and its relation to surface morphology Area 4 Structure of the active layer Ground ice and its relat ion to surface morphology Pattern type 4: Mounds and depressions of low relief in unsorted outwash Area 4a Structure of the active layer Ground ice and its relatiop. to surface morphology Part 2: Ground ice studies Area 1 Lens ice History Appearance of the ice Fabric analysis Wedge ice History Appearance of the ice Fabric analysis Relict ice History Appearance of the ice Fabric analysis Contact between ice wedge and relict ice Ice sockets Area 5 Wedge ice Fabric analysis Relict ice Fabric analysis Area 3 Ice mass History Appearance of the ice Fabric analysis Ice wedge Fabric analysis Contact between ice mass and wedge Appearance of the ice Fabric analysis Summary and conclusions Pattern type 1: Linear and circular depressions in. unsorted outwash Pattern type 2: Polygonal troughs formed in unsorted outwash Pattern type 3: Sorted circles or centers of fines Pattern type 4: Mounds and depressions of low relief in fine-grained unsorted outwash Engineering applications References Appendix A: Associated studies Appendix B : Recommendations for further field and laboratory work Appendix C: Recommendations for field and laboratory techniques
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  • 34
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    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-101
    In: Research report / Cold Regions Research and Engineering Laboratory, 101
    Description / Table of Contents: Partial Summary: This paper is a pilot study of interrelations between structural features readily observed in horizontal thin sections of sea ice under low magnification. The core studied was 31.4 cm in length and was collected from Elson Lagoon at Point Barrow, Alaska on 26 October 1960.
    Type of Medium: Series available for loan
    Pages: iv, 11 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory 101
    Language: English
    Note: CONTENTS Preface Summary Introduction Petrographic characteristics Intercrystalline features Intracrystalline features References
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  • 35
    Call number: ZSP-553-170,2
    In: Meddelelser om Grønland
    Type of Medium: Monograph available for loan
    Pages: 249 S. : Ill., Kt.
    Series Statement: Meddelelser om Grønland 170,2
    Language: English
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  • 36
    Monograph available for loan
    Monograph available for loan
    Associated volumes
    Call number: M 93.0087/1 ; AWI G2-96-0026 ; MOP 34194
    In: The sea ; 1, Vol. 1
    Type of Medium: Monograph available for loan
    Pages: xv, 864 S. , Ill., graph. Darst., Kt.
    Edition: 1. publ.
    Language: English
    Note: CONTENTS: PHYSICAL OCEANOGRAPHY. - SECTION I. FUNDAMENTALS. - 1. PHYSICAL PROPERTIES OF SEA-WATER / BY N. P. FOFONOFF. - 1. The equilibrium thermodynamic state. - 2. Equation of state for sea-water. - 3. Entropy. - 4. Chemical potential difference. - 5. The non-equilibrium state. - 6. Other physical properties of sea-water. - 2. THE EQUATIONS OF MOTION OF SEA-WATER / BY CARL ECKART. - 1. Introduction. - 2. Thermodynamics. - 3. Hydrodynamics. - 4. The irreversible processes. - 5. Transformation of the equation. - 6. The zeroth approximation. - 7. The first approximation. - 8. Definitions related to convective motion. - 9. The field equations. - SECTION II. INTERCHANGE OF PROPERTIES BETWEEN SEA AND AIR. - 3. SMALL-SCALE INTERACTIONS / BY E. L. DEACON AND E. K. WEBB. - 1. General considerations of transfer. - 2. Momentum transfer and the wind-profile. - 3. Drag coefficients of the sea surface. - 4. Transfer of heat and water vapour. - 4. LARGE-SCALE INTERACTIONS / BY JOANNE S. MALKUS. - 1. Introduction. - 2. How the whole system works. - 3. Determination of air-sea fluxes. - 4. Climatology of energy exchange and the global heat and water budgets. - 5. Heat and water exchange and its role in tropical circulations. - 6. Large-scale momentum relations. - 7. Exchange mechanisms and fluctuations. - 8. Exchange fluctuations in mid-latitudes and long-period interaction anomalies. - 9. Concluding remarks. - 5. INSOLUBLES / BY R. W. REX AND E. D. GOLDBERG. - 1. Meteorology of transport. - 2. Eolian materials in marine sediments. - 6. SOLUBLES / BY A. H. WOODCOCK. - 7. GASES / BY R. REVELLE AND H. E. SUESS. - 1. Introduction. - 2. Oxygen and nitrogen. - 3. Rare gases. - 4. Carbon dioxide. - SECTION III. DYNAMICS OF OCEAN CURRENTS / BY N. P. FOFONOFF. - 1. Conservation equations for momentum and mass. - 2. Separation into steady and time-dependent motion. - 3. Magnitude of forces. - 4. Steady-state circulation. - 5. Steady inertial circulation. - 6. Convective circulation. - 7. Time-dependent motion. - SECTION IV. TRANSMISSION OF ENERGY WITHIN THE SEA. - 8. LIGHT / BY J. E. TYLER AND R. W. PREISENDORFER. - 1. Physical constructs. - 2. Instrumentation for the measurement of the underwater light field and the determination of the optical properties of the sea. - 3. Radiance distribution. - 4. Attenuation coefficient. - 5. Volume scattering functions and total scattering coefficient. - 6. Irradiance. - 7. Diffuse attenuation function and reflectance function. - 8. Scalar irradiance (spherical irradiance). - 9. Absorption coefficient. - 10. Path function. - 11. Data. - 12. Applications. - 13. List of symbols. - 9. UNDERWATER VISIBILITY / BY S. Q. DUNTLEY. - 1. Image transmission. - 2. Inherent contrast. - 3. Sighting range. - 10. LIGHT AND ANIMAL LIFE / BY G. L. CLARKE AND E. J. DENTON. - 11. OTHER ELECTROMAGNETIC RADIATION / BY L. N. LIEBERMANN. - 1. Introduction. - 2. Electromagnetic properties of sea-water. - 3. Propagation through sea-water. - 4. The effect of the sea-surface on electromagnetic propagation. - 5. Natural electromagnetic radiation or "noise" in the sea. - 12. SOUND IN THE SEA / BY P. VIGOUREUX and J. B. HERSEY. - 1. The nature of sound. - 2. Propagation of sound in water. - 3. Noise. - 4. Instruments and applications of sound to oceanography. - 13. SOUND SCATTERING BY MARINE ORGANISMS / BY J. B. HERSEY AND R. H. BACKUS. - 1. Introduction. - 2. Occurrence and description of scattering layers. - 3. Identification of sound scatterers. - 4. Sound-scattering theory. - 5. Sound-scattering observations. - 6. What is "the deep scattering layer"?. - 7. Ideas and miscellaneous observations. - 14. SOUND PRODUCTION BY MARINE ANIMALS / BY W. E. SCHEVILL, R. H. BACKUS, AND J. B. HERSEY. - 1. Introduction. - 2. History. - 3. Instrumentation. - 4. Identification of source. - 5. Purposeful and adventitious sounds. - 6. Sound-producing mechanisms. - 7. Spectra of sounds. - 8. Functions of sound. - 9. Hearing as related to sound production. - 10. Eliciting and suppressing marine animal sounds. - 11. Exploitation of marine animal sounds by the oceanographer. - SECTION V. WAVES. - 15. ANALYSIS AND STATISTICS / BY D. E. CARTWRIGHT. - 1. Introduction. - 2. Fundamental equations of wave motion. - 3. Statistical formulation. - 4. Properties of a wave system in terms of its directional energy spectrum. - 5. Estimating the directional energy spectrum. - 6. Waves recorded by a single detector. - 7. Spectral measurement. - 8. Second-order approximations to energy spectra. - 16. LONG-TERM VARIATIONS IN SEA-LEVEL / BY J. R. ROSSITER. - 1. Introduction. - 2. The determination of mean sea-level. - 3. Causes of variations in sea-level. - 4. The analysis of observations. - 5. Some geophysical implications of long-term variations in sea-level. - 6. Conclusion. - 17. SURGES / BY P. GROEN AND G. W. GROVES. - 1. Introduction. - 2. Description. - 3. Dynamics and forecasting. - 18. LONG OCEAN WAVES / BY W. H. MUNK. - 1. Introduction. - 2. The instruments. - 3. The spectrum. - 4. Surf beat. - 5. Shelf waves. - 6. Tsunamis. - 19. WIND WAVES / BY N. F. BARBER AND M. J. TUCKER. - 1. Kinematics of waves. - 2. The description of a complicated wave pattern: the wave spectrum. - 3. Theories of wave generation by wind. - 4. Wave prediction. - 5. Waves from distant storms. - 6. Waves approaching the shore. - 7. The surf zone. - 8. Ships and waves. - 9. Methods of observation and analysis-methods taking no account of direction of travel. - 10. Methods of observation and analysis - the directional power spectrum. - 20. MICROSEISMS / BY J. DARBYSHIRE. - 1. Relation between sea waves and microseisms. - 2. The nature of microseisms. - 3. Refraction of microseisms. - 4. Storm tracking and estimation of the direction of approach of microseisms. - 5. Estimation of direction from the nature of microseisms. - 6. Instruments. - 7. Other work. - 21. RIPPLES / BY C. S. COX. - 1. Spectrum and mean square slope. - 2. Effect of slicks. - 3. Shape of a rippled water surface. - 4. Growth of ripples. - 22. INTERNAL WAVES : Part I / BY E. C. LAFOND. - 1. Introduction. - 2. Measurements. - 3. Observed relations. - 22. INTERNAL WAVES : Part II / BY C. S. COX. - 4. Differential equations. - 5. Spectrum. - 6. Internal waves and turbulence. - 23. TIDES / BY W. HANSEN. - 1. Introduction. - 2. The hydrodynamic equations and their application to tidal problems. - 3. Tidal observation. - 4. Tidal charts. - 5. Classical theory. - 6. Numerical methods for ascef!.aining the tides and tidal currents. Boundary-value problems. - 7. The application of difference methods to initial-boundary problems. - 8. Numerical solutions of initial-boundary-value problems of tides in one and two dimensions. - 9. Internal tides. - SECTION VI. TURBULENCE / BY K. F. BOWDEN. - 1. General properties of turbulence. - 2. Turbulence in the sea. - 3. Turbulent fluctuations and turbulent transports. - 4. Vertical turbulence. - 5. Horizontal turbulence. - SECTION VII. THE PHYSICS OF SEA-ICE / BY E. R. POUNDER. - 1. Introduction. - 2. Mechanical properties. - 3. Thermal properties. - 4. Electrical properties. - 5. Growth and disintegration of an ice cover. - 6. Theory of sea-ice structure and properties. - AUTHOR INDEX. - SUBJECT INDEX.
    Location: Upper compact magazine
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  • 37
    Monograph available for loan
    Monograph available for loan
    København : Reitzel
    Associated volumes
    Call number: ZSP-553-171,1
    In: Meddelelser om Grønland
    Type of Medium: Monograph available for loan
    Pages: 77 S. : Ill., graph. Darst., Kt.
    Series Statement: Meddelelser om Grønland 171,1
    Language: English
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  • 38
    Call number: ZSP-553-159,9
    In: Meddelelser om Grønland
    Type of Medium: Monograph available for loan
    Pages: 40 S., II Taf. : Ill., Kt.
    Series Statement: Meddelelser om Grønland 159,9
    Language: English
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  • 39
    Call number: ZSP-553-163,6
    In: Meddelelser om Grønland
    Type of Medium: Monograph available for loan
    Pages: 64 S., V Taf. : Ill.
    Series Statement: Meddelelser om Grønland 163,6
    Language: English
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  • 40
    Call number: ZSP-553-170,1
    In: Meddelelser om Grønland
    Type of Medium: Monograph available for loan
    Pages: 40 S. : Ill., Kt.
    Series Statement: Meddelelser om Grønland 170,1
    Language: English
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  • 41
    Monograph available for loan
    Monograph available for loan
    Tashkent : Izdat. Akad. Nauk Uzbekskoj SSR
    Call number: AWI G7-94-0007b ; AWI G7-94-0007a
    Type of Medium: Monograph available for loan
    Pages: In 2 Bdn. ; 23 cm
    Series Statement: Mezhdunarodnyj Geofizicheskij God 1957-1958 Internationales Geophysikalisches Jahr 1957-1958
    Language: Russian
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  • 42
    Monograph available for loan
    Monograph available for loan
    Moskva : Izdat. Akad. Nauk SSSR
    Call number: AWI P6-93-0355
    Type of Medium: Monograph available for loan
    Pages: 147 S. , Ill., graph. Darst., Kt.
    Language: Russian
    Note: Contents: From the editor. - The fifth Antarctic Expedition (1959-1961). - Organization and tasks of the expedition. - Routes of expedition ships. - The Ob. - The Kooperatsia. - The Pravda Coast. - Unloading the ships. - Operations of expedition parties. - Aerometeorological observations. - Field temporary stations. - Glaciological researches. - Researches on the geomagnetism, aeronomy and on seismology. - Sea and coastal ice observations. - Biological and medical work. - Operations of the aviation group. - Connection with Antarctic expeditions of other countries. - Tractor-sledge traverses of inland areas of Eastern Antarctica. - Mirny - Komsomolskaya - Mirny. - Mirny - 67°44' S, 93°46' E - 71°59' S, 87°00' E - Komsomolskaya - Vostok. - Operation of the inland Antarctic stations. - Vostok. - Komsomolskaya. - The Queen Maud Land. - The Ob at the Lazarev Glacier. - Field scientific work. - Geological and geographical researches. - Glaciological researches. - Lazarev station. - Brief summary of results of researches conducted by the fifth Antarctic Expedition. - The sixth Soviet Antarctic Expedition. - Organization and tasks of the expedition. - Route of the expedition ship. - Novolazarevskaya station. - International cooperation in the study of Antarctica. - Antarctic treaty. - Fourth Meeting of SCAR. - Abstract. - References. - Appendixes. - 1. Main data of the Soviet Antarctic stations. - 2. Calendar of the expedition ships operations. - 3. Personnel of the Soviet Antarctic Expeditions of 1955-1962. - 4. Period of operations of the Soviet Antarctic Expeditions of 1955-1961. - 5. List of members of the fifth and the sixth Antarctic expeditions. - 6. Decree of the Presidium of the Supreme Soviet of the USSR on Decoration of the most distinguished Antarctic Explorers. - 7. Text of the Antarctic treaty. , In kyrill. Schr. , Mit engl. Zsfassung
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  • 43
    Call number: AWI E2-13-0068-4
    In: Materialy nabljudenij naučno-issledovatel'skich drejfujuščich stancij "Severnyj Poljus-6", "Severnyj Poljus-7" 1957/58 goda, Tom 4
    Type of Medium: Monograph available for loan
    Pages: 607 Seiten
    Series Statement: Materialy nabljudenij naučno-issledovatel'skich drejfujuščich stancij "Severnyj Poljus-6", "Severnyj Poljus-7" 1957/58 goda 4
    Language: Russian
    Note: СОДЕРЖАНИЕ = Soderžanie = Contents: Предисловие = Predislovie = Foreword. - Геофизина = Geofizika = Geophysics. - Ионосферные наблюдения = Ionosfernye nabljudenija = Ionospheric observations. - Таблица. Ионосферные данные = Tablica. Ionosfernye dannye = Table. Ionospheric data. - Магнитные наблюдения = Magnitnye nabljudenija = Magnetic observations. - Таблица 1. Ежечасные значения магнитных элементов D, Н, Z = Tablica 1. Ežečasnye značenija magnitnych ėlementov D, H, Z = Table 1. Hourly values of the magnetic elements D, H, Z. - Таблица 2. Ежечасные значения амплитуд горизонтальной составляющей rγH = Tablica 2. Ežečasnye značenija amplitud gorizontal'noj sostavljajuščej rγH = Table 2. Hourly values of amplitudes of the horizontal component rγH. - Таблица 3. Наблюденные значения магнитных элементов D, Н, Z = Tablica 3. Nabljudennye značenija magnitnych ėlementov D, H, Z = Table 3. Observed values of the magnetic elements D, H, Z. , In kyrillischer Schrift
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  • 44
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    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-79
    In: Research report / Cold Regions Research and Engineering Laboratory, 79
    Description / Table of Contents: Summary: The theory of a plate on an elastic foundation will closely predict the radial cracks observed in loading tests on floating ice sheets. However, the plate theory does not predict accurately the circumferential crack which forms ultimately with increased loading. The wedge theory is developed in an attempt to better predict the location and magnitude of the stresses causing the circumferential crack. The results obtained can be applied to help predict the ultimate bearing capacity of an ice sheet, provided the modulus of elasticity and flexural strength of the ice are known.
    Type of Medium: Series available for loan
    Pages: Getrennte Zählung , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory 79
    Language: English
    Note: CONTENTS Preface Summary Introduction Solution Applications Conclusions References Appendix A Computer program Graphs of nev functions, derivatives, and integrals Tables of nev functions, derivatives, and integrals
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  • 45
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    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-78
    In: Research report / Cold Regions Research and Engineering Laboratory, 78
    Description / Table of Contents: Summary: This climatological study makes use of the temperature, wind, and precipitation records from 12 stations on the Greenland Ice Sheet. Many of these stations were not in operation for concurrent periods and records for a year or more were available from only a few of them. The mean, mean maximum, mean minimum, absolute maximum, and absolute minimum temperatures were computed from the records. The highest absolute maximum temperature reported was 44°F at Mint Julep in southwestern Greenland. The lowest absolute minimum was -94°F at Northice in northern Greenland. This study shows that the prevailing wind usually was from the direction of the high central area of the ice sheet. Stations on the west slope had prevailing winds with an easterly component whereas stations on the east slope had prevailing winds with a westerly component. The wind speed varied from 0 to approximately 60 kt, but was predominantly in the 0 to 20 kt range. At some of the stations on the ice sheet, precipitation was measured in precipitation gages, at others it was measured as surface accumulation. At many locations the annual accumulation was determined from stratigraphic studies of the snow profile. The number of days on which snow occurred, expressed as percent of total days of observation, was used as an index to the amount of snowfall. The mean annual accumulation shows precipitation to be heavier on the west slope of the ice sheet than in other areas. The precipitation records at Northice indicate that the annual precipitation in that part of northern Greenland may be very light. The means for the various climatological parameters covered in this study are presented in tables and on a climatological map which presents a cartographic picture of the overall climatology of the Greenland Ice Sheet.
    Type of Medium: Series available for loan
    Pages: iv, 13, A5, B4 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory 78
    Language: English
    Note: CONTENTS Preface Summary Introduction Air temperature Wind direction and speed Precipitation and accumulation Climatological map for the Greenland Ice Sheet Appendix A: Temperature data Appendix B: Precipitation data
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  • 46
    Call number: ZSP-202-74
    In: Research report / Cold Regions Research and Engineering Laboratory, 74
    Description / Table of Contents: Summary: The heat exchange of a snow cover was studied with respect to the effects of heat transfer processes on metamorphic action within the snow cover and the prediction of heat fluxes and the resulting changes in snow cover characteristics from standard meteorological information. Data collected at the USA SIPRE Keweenaw Field Station, Houghton, Michigan, were used to determine heat transfer by thermal radiation, convection, and conduction. The percent of daily incident solar radiation at the outer limits of the earth's atmosphere which reaches the snow surface ranged from 94 with clear skies to less than 20 with an overcast less than 1000 ft high and precipitation. Average diurnal patterns of total solar radiation may be estimated for various cloudiness. Total solar radiation with overcast clouds less than 5000 ft high averaged about 70% of the clear-sky radiation. Atmospheric radiation related to temperatures during clear nights gave a curve paralleling the black body radiation curve, although about 7 ly/hr lower in absolute values. Atmospheric radiation during clear skies was about 9 ly/hr less than that with low overcast conditions with no snow falling. In the presence of falling snow, total hemispherical radiation was about 5 ly/hr greater than with no snow falling but with' similar low overcast cloudiness. With low overcast cloudiness, the net long-wave exchange averaged about -17 ly/day in January and -8 ly/day in February. With clear skies the net long-wave exchange averaged about -128 ly/day in January and -120 ly/day in February. The net radiation exchange with clear skies during midday remained slightly negative in January and became increasingly positive through February. The highest positive values of net radiation occurred during the day with low overcast or broken cloudiness and precipitation. The largest net radiational loss of 9 ly/hr occurred at night with clear skies and nearly calm winds. The average magnitude of surface temperature inversions over snow was related to observations of cloudiness and wind speeds for both day and night. With winds of 12 knots or greater, the temperature difference in the first 10m was usually near adiabatic even with clear skies at night. During the day inversions seldom exceeded 1-2°C, and a slight lapse commonly occurred during low overcast conditions and moderate winds. The Liljequist method for computing turbulent heat transfer and conductive heat transfer in snow was used. Average air temperature is shown to exert a pronounced effect upon snow heat conduction, cold content and temperature profile. Average temperature differences through the snow, responsible for metamorphic action leading to the formation of depth hoar, can be estimated by a knowledge of the previous 20-hr average temperature. Snow hardness distributions, indicators of supporting capacity of snow, can be estimated graphically from snow density and depth observations.
    Type of Medium: Series available for loan
    Pages: v, 73 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory 74
    Language: English
    Note: CONTENTS Preface Summary Part 1. Data analysis Introduction Estimating snow temperature distributions from meteorological information Radiative heat transfer Short-wave radiation Long-wave radiation Net radiation exchange Convective heat transfer Liljequist method Monin-Obukhov method Conductive heat transfer Heat transfer in soil Heat transfer in snow Direct relationships Measurement of snow properties Cold content of snow Vertical temperature gradient in snow and its effects Snow hardness Summary of the analysis Thermal radiative heat transfer Convective heat transfer Heat transfer processes in soil and snow Part II. Tabulated data for Keweenaw Field Station Description of data Location and periods of measurement Instrumentation Data processing Explanation of tables Thermal radiation data, Keweenaw Field Station References
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  • 47
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    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-80
    In: Research report / Cold Regions Research and Engineering Laboratory, 80
    Description / Table of Contents: From the Introduction: During the last few years, there has been an increased interest in developing a rational explanation for the rather considerable variation in such bulk properties of sea ice as its strength, density, thermal conductivity, latent heat of melting, and coefficient of thermal expansion. Of these properties, sea-ice strength has received by far the most attention for practical reasons.
    Type of Medium: Series available for loan
    Pages: iv, 30, A6, B10, C2, D5 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory 80
    Language: English
    Note: CONTENTS Preface Summary Introduction Experimentation Method of growing salt ice Strength test procedures Bulk properties of salt ice Phase relations Density and air content Strength results Strength of fresh-water ice Strength of NaCl ice as a function of brine volume Strength of NaCl· 2H2O ice as a function of the relative volume of solid salt Effect of thermal history on salt-ice strength Phase hysteresis Geometric hysteresis Effect of short-term cooling on the strength of fresh-water and NaCl·2H2O ice Effect of the volume of inclosed air on the strength of salt ice Conclusions NaCl ice Sea ice References Appendix A: Volume of brine and NaCl· 2H2O in NaCl ice as a function of salinity and temperature Appendix B: Ring test results Normal test sequences Appendix C: Ring test results Hysteresis test sequences Appendix .b: Ring test results Thermal history test sequences
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  • 48
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    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-202-85,1
    In: Research report / Cold Regions Research and Engineering Laboratory, 85,1
    In: The frost behavior of soils : laboratory and field data for a new concept, Part I
    Description / Table of Contents: Partial summary: Laboratory experiments have been performed with special cabinets in which soil samples, under complete saturation and without surcharges, were subjected to alternate freezing and thawing cycles. Tests included series with both freezing and thawing from the top and with freezing from the bottom and thawing from the top. The soil materials used were well-graded, sandy gravels, the finest one with 14% finer than no. 200 mesh (0. 074 mm).
    Type of Medium: Series available for loan
    Pages: iv, 22 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory 85,1
    Language: English
    Note: CONTENTS Preface Summary Introduction to the problem Laboratory data Preliminary experiments Vertical sorting and volume changes produced by cyclic freeze -thaw Volume increase by sorting in straight graded samples without freezing and thawing Field data Vertical sorting of the active layer Correlation between laboratory and field data Conclusion and recommendations References
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  • 49
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    Call number: ZSP-202-84
    In: Research report / Cold Regions Research and Engineering Laboratory, 84
    Description / Table of Contents: Summary: The law of sliding of ice over bedrock is generalized to include the effect of the presence of a longitudinal stress. The sliding velocity thus depends on both the shear stress acting at the bottom of an ice mass and the longitudinal stress. With this generalized law, it is still possible to make a one-dimensional analysis of the problem of calculating the profile of an ice cap or glacier, such as was carried out by Nye, and yet introduce the effect of large longitudinal stresses. As a result a profile can be calculated with two equations. One equation is applicable to the central region of an ice cap and the other equation (which was found by Nye) is valid elsewhere. By an appropriate joining of the profiles derived from these two equations, the complete profile of an ice cap can be obtained. From two sample calculations it is shown that, for a large ice cap, Nye's theory is valid practically everywhere, and there is no real need to bring in the modification. For a small ice cap, the modification to the profile is valid over an appreciable fraction of the total width of the ice cap. A very simple extension of the analysis of the ice cap profile allows for the effect of isostatic sinking of the bedrock surface under a large ice cap. (An initially flat bedrock surface was assumed. The analysis can be extended easily to allow for an arbitrarily shaped initial bedrock surface.)
    Type of Medium: Series available for loan
    Pages: iv, 12 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory 84
    Language: English
    Note: CONTENTS Preface Summary Introduction Theory Effective sliding velocity Estimate of stresses Surface profilecalculations Effect of the weight of ice on the bedrock base Sample calculations References
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  • 50
    Call number: AWI E2-13-0068-2
    In: Materialy nabljudenij naučno-issledovatel'skich drejfujuščich stancij "Severnyj Poljus-6", "Severnyj Poljus-7" 1957/58 goda, Tom 2
    Type of Medium: Monograph available for loan
    Pages: 653 Seiten
    Series Statement: Materialy nabljudenij naučno-issledovatel'skich drejfujuščich stancij "Severnyj Poljus-6", "Severnyj Poljus-7" 1957/58 goda 2
    Language: Russian
    Note: СОДЕРЖАНИЕ = Soderžanie = Contents: Предисловие = Predislovie = Foreword. - Метеорология = Meteorologija = Meteorology. - Метеорологические наблюдения = Meteorologičeskie nabljudenija = Meteorological observations. - Таблицы = Tablicy = Tables. - Актинометрия = Aktinometrija = Actinometry. - Актинометрические наблюдения = Aktinometričeskie nabljudenija = Actinometric observations. - Некоторые результаты наблюдений = Nekotorye rezul'taty nabljudenij = Some results of observations. - Таблицы = Tablicy = Tables. - , In kyrillischer Schrift
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  • 51
    Call number: AWI E2-13-0068-3
    In: Materialy nabljudenij naučno-issledovatel'skich drejfujuščich stancij "Severnyj Poljus-6", "Severnyj Poljus-7" 1957/58 goda, Tom 3
    Type of Medium: Monograph available for loan
    Pages: 670 Seiten
    Series Statement: Materialy nabljudenij naučno-issledovatel'skich drejfujuščich stancij "Severnyj Poljus-6", "Severnyj Poljus-7" 1957/58 goda 3
    Language: Russian
    Note: СОДЕРЖАНИЕ = Soderžanie = Table of Contents. - Предисловие = Predislovie = Foreword. - Аэрология = Aėrologija = Aerology. - Методика и результаты аэрологических наблюдений = Metodika i rezul'taty aėrologičeskich nabljudenij = Method and results of upper-air observations. - Таблица 1. Географические координаты станций = Tablica 1. Geografičeskie koordinaty stancij = Table 1. Geographical coordinates of stations. - Таблица 2. Среднее месячное давление = Tablica 2. Srednee Mesjačnoe davlenie = Table 2. Average monthly pressure. - Таблица 3. Средняя месячная высота и температура изобарических поверхностей = Tablica 3. Srednjaja mesjačnaja vysota i temperatura izobaričeskich poverchnostej = Table 3. Average monthly height and temperature of isobaric surfaces. - Таблица 4. Средняя месячная плотность воздуха = Tablica 4. Srednjaja mesjačnaja plotnost' vozducha = Table 4. Average monthly air density. - Таблица 5. Средняя месячная температура = Tablica 5. Srednjaja mesjačnaja temperatura = Table 5. Average monthly temperature. - Таблица 6. Максимальная температура = Tablica 6. Maksimal'naja temperatura = Table 6. Maximum temperature. - Таблица 7. Минимальная температура = Tablica 7. Minimal'naja temperatura = Table 7. The minimum temperature. - Таблица 8. Средняя высота изотермических поверхностей = Tablica 8. Srednjaja vysota izotermičeskich poverchnostej = Table 8. The average height of isothermal surfaces. - Таблица 9. Повторяемость высоты нижней границы инверсий и изотермий и числа дней с инверсиями и изотермиями = Tablica 9. Povtorjaemost' vysoty nižnej granicy inversij i izotermij i čisla s inversijami i izotermijami = Table 9. Repeatability of the height of the lower boundary of inversions and isotherms and the number of days with inversions and isotherms Таблица 10. Средняя мощность инверсий и изотермий = Tablica 10. Srednjaja moščnost' inversij i izotermij = Table 10. The average power of inversions and isotherms. - Таблица 11. Средняя интенсивность инверсий и изотермий = Tablica 11. Srednaja intensivnost' inversij i izotermij = Table 11. The average intensity of inversions and isotherms. - Таблица 12. Средняя высота и температура нижней границы тропопаузы = Tablica 12. Srednjaja vysota i temperatura nižnej granicy tropopauzy = Table 12. The average height and temperature of the lower border of the tropopause. - Таблица 13. Повторяемость высоты нижней границы тропопаузы = Tablica 13. Povtorjaemost' vysoty nižnej granicy tropopauzy = Table 13. Repeatability of the height of the lower tropopause border. - Таблица 14. Повторяемость температуры нижней границы тропопаузы = Tablica 14. Povtorjaemost' temperatury nižnej granicy tropopauzy =Table 14. Repeatability of temperature of the lower tropopause border. - Таблица 15. Средняя месячнан относительная влажность = Tablica 15. Srednjaja mesjačnan otnositel'naja vlažnost' = Table 15. Average monthly relative humidity. - Таблица 16. Средняя месячная удельная влажность = Tablica 16. Srednjaja mesjačnaja udel'naja vlažnost' = Table 16. Average monthly specific humidity. - Таблица 17. Средняя высота нижней границы облаков = Tablica 17. Srednaja vysota nižnej granicy oblakov = Table 17. The average height of the lower boundary of the clouds. - Таблица 18. Средняя месячная скорость ветра = Tablica 18. Srednjaja mesjačnaja skorost' vetra = Table 18. Average monthly wind speed. - Таблица 19. Максимальная скорость ветра = Tablica 19. Maksimal'naja skorost' vetra = Table 19. Maximum wind speed. - Таблица 20. Повторяемость направления ветра = Tablica 20. Povtorjaemost' napravlenija vetra = Table 20. Wind direction repeatability. - Таблица 21. Результаты температурно-ветрового зондирования атмосферы = Tablica 21. Rezul'taty temperaturno-vetrovogo zondirovanija atmosfery = Table 21. Results of temperature-wind sounding of the atmosphere. - , In kyrillischer Schrift
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  • 52
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    Wilmette, Ill. : Snow Ice and Permafrost Research Establishment, Corps of Engineers, U.S. Army
    Associated volumes
    Call number: ZSP-202-71
    In: Research report / Cold Regions Research and Engineering Laboratory, 71
    Description / Table of Contents: Summary: The depth-density relationship of the surface snow to 30-ft depth at three locations on the Greenland Ice Cap east of Thule is presented. Rates of accumulation and densification deduced from the pit studies are used in elementary mathematical expressions developed in this report. These expressions describe a densification process applicable to continuously accumulating polar snow, between the depths of 10 and 40 ft. Loads, densities, and rates of densification are presented in relation to depth and time and applied to problems of undersnow military construction.
    Type of Medium: Series available for loan
    Pages: iv, 10 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory 71
    Language: English
    Note: CONTENTS Preface Summary Introduction Field investigations Application of profile data Densification theory Engineering applications References
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  • 53
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    Wilmette, Ill. : Snow Ice and Permafrost Research Establishment, Corps of Engineers, U.S. Army
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    Call number: ZSP-202-53
    In: Research report / Cold Regions Research and Engineering Laboratory, 53
    Description / Table of Contents: Summary: The results of investigations on the structural changes of Greenland snow during age-hardening in the first 49 hr after ejection by a Peter snow miller from a trench 4.7 ft deep are reported, and the method of study is described. The samples of snow were taken at various distances from the trench 1, 3, 14, 25, and 49 hr after deposition, and their changes were studied as a function of time and distance from the trench. The porosity remained constant at an average of 50 ± 3%. The number of grains/cm^2 decreased with time and increased with distance from the trench because of the different speeds of sedimentation and wind sifting. The mean grain cross-section showed a similar dependence. The relative length of grain boundaries increased with time and slightly with distance from the trench, while the mean length of new grain-to-grain boundaries increased with age and decreased with distance from the trench. The mean number of adjacent grains per grain vs. relative length of grain boundaries showed a linear relation. A slight increase of new boundaries with increasing number of neighbors was also observed. Suggestions for a precise study of the age-hardening process of snow are made.
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    Pages: v, 15, A5 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory 53
    Language: English
    Note: CONTENTS Preface Summary Methods of testing Sampling Preparation of samples Preparation of structure pictures Results Influence of time and place Porosity Number of grains/cm2 Mean grain cross section Relative length of grain boundaries (KM ratio) Mean number of adjacent grains per grain Number of new boundaries/cm 2 Mean length of new grain-to-grain boundaries Some interrelations of the structure data Structure of a 1-yr old Peter snow Suggestions for an exact study of the age-hardening process of snow References Appendix: Structure pictures
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  • 54
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    Wilmette, Ill. : Snow Ice and Permafrost Research Establishment, Corps of Engineers, U.S. Army
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    Call number: ZSP-202-64
    In: Research report / Cold Regions Research and Engineering Laboratory, 64
    Description / Table of Contents: Summary: The distribution of temperature throughout an idealized ice cap is studied. The idealized ice cap is considered as one with a constant growth rate, without internal movement, subject to a linear climatic change and to a constant geothermal influx. The problem is treated as a Stefan-type problem and the solution is obtained by the principle of superposition. The results indicate that the temperature at the base of the ice cap rises with time and eventually would reach the melting point of the ice. Under such conditions, it is concluded that the ice cap is not resting on a permafrost base as suggested by previous investigation.
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    Pages: iv, 8 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory 64
    Language: English
    Note: CONTENTS Preface Summary Introduction Mathematical development Method of solution Discussion of results Base temperature Minimum temperature Effect of rate of growth Effect of geothermal influx Comparison with observed results References
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  • 55
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    Wilmette, Ill. : Snow Ice and Permafrost Research Establishment, Corps of Engineers, U.S. Army
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    Call number: ZSP-202-67
    In: Research report / Cold Regions Research and Engineering Laboratory, 67
    Description / Table of Contents: Summary: The temperature distribution in snow subjected to gamma radiation from an operating nuclear reactor is analyzed mathematically, assuming that the effect of radiation is equivalent to a continuous heat source, the intensity of which is a function of the radial distance from the reactor. Steady-state solutions are derived for two cases: when the radial distance is 13 ft and when it is 19.1 ft. The results indicate that the temperature of the snow in certain regions in the several feet immediately below the foundation will exceed the design limit of 20°F. Increasing the shielding of the reactor will reduce the intensity of the radiation and snow temperature. Other possible ways to reduce the snow temperature include the use of refrigeration coils and the forcing of the atmospheric air through the snow.
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    Pages: iii, 4 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory 67
    Language: English
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  • 56
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    Wilmette, Ill. : Snow Ice and Permafrost Research Establishment, Corps of Engineers, U.S. Army
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    Call number: ZSP-202-60
    In: Research report / Cold Regions Research and Engineering Laboratory, 60
    Description / Table of Contents: Summary: This report presents numerical results on the feasibility study of the use of in-ice cooling for a power plant. As a result of this type of arrangement, a water pond under ice is formed. The pond size as a function of time for various operating conditions has been computed. The associated problems such as water temperature, power consumption, etc., are also studied.
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    Pages: iv, 17, A6 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory 60
    Language: English
    Note: CONTENTS Preface Summary Introduction Open-loop system Method of analysis Time dependence of pond size Temperature of water in the pond Effect of inlet water temperature Effect of convection duct Power consumption for circulation of cooling water Condlusions Closed-loop system Method of analysis Time dependence of pond size Flow conditions of glycol solutions inside coil Discussion and conclusions References Appendix: Examples of calculations
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  • 57
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    Wilmette, Ill. : Snow Ice and Permafrost Research Establishment, Corps of Engineers, U.S. Army
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    Call number: ZSP-202-61
    In: Research report / Cold Regions Research and Engineering Laboratory, 61
    Description / Table of Contents: Summary: The results of experiments on the bonding of polished and microtomed surfaces of bubble-free ice samples at -5°C with various loads are reported. Only a small part of the available surface area appeared to be bonded, this area increasing with the bonding load. Surfaces apposed immediately after preparation showed an appreciably higher force of separation than those joined after a time interval. The force of separation for surfaces placed together at 0% relative humidity was higher than that at 100% relative humidity. A simplified theory of bonding of irregular ice surfaces is formulated in the appendix. The calculations are based on the assumption of a distribution of small ice cylinders of equal cross sections but different heights located on a non-deformable plate. The cylinders are deformed by a constant force which is applied by another completely non-deformable flat plate. The deformation as a function of force and time and the force of separation as a function of load are derived, assuming that the distribution of heights is given by a box distribution (i.e., frequency of heights is constant).
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    Pages: iv, 6, A4 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory 61
    Language: English
    Note: CONTENTS Preface Summary Introduction Materials Apparatus and procedure Results Discussion References Appendix: Compression of an assembly of cylinders
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  • 58
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    Wilmette, Ill. : Snow Ice and Permafrost Research Establishment, Corps of Engineers, U.S. Army
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    Call number: ZSP-202-62
    In: Research report / Cold Regions Research and Engineering Laboratory, 62
    Description / Table of Contents: Summary: Adhesive strength of ice for the systems ice/stainless steel and ice/optically flat fused quartz has been investigated as a function of surface roughness of steel surfaces and rates of shear for steel and quartz. The adhesive strength decreases with decreasing roughness of steel surfaces and the force vs time curves for smooth steel plates resemble those of two solids sliding over each other with a liquid layer sandwiched between them. This is particularly so in the case of quartz. The adhesive strength as a function of rate of shear is linear both for ice/stainless steel and ice/quartz; however, there are indications of yield values. The experimental results are in agreement with the assumption of a liquidlike layer on ice. Ratios of viscosity coefficient to the thickness of the layer have been evaluated for both systems and viscosity coefficients are estimated. The importance of interfacial free energy considerations is pointed out.
    Type of Medium: Series available for loan
    Pages: iii, 10 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory 62
    Language: English
    Note: CONTENTS Preface Summary Introduction Experimental Materials Apparatus Experimental results Ice/metal interface Ice/quartz interface Discussion References
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  • 59
    Series available for loan
    Series available for loan
    Wilmette, Ill. : Snow Ice and Permafrost Research Establishment, Corps of Engineers, U.S. Army
    Associated volumes
    Call number: ZSP-202-63
    In: Research report / Cold Regions Research and Engineering Laboratory, 63
    Description / Table of Contents: Summary: Experiments have been carried out on the plastic deformation of thick-walled snow-ice cylinders under hydrostatic pressure as a function of pressure and temperature. At constant circumferential stress and temperature the natural strain rate of closure is a constant. This constant varies with the circumferential stress according to a sine function and is exponentially dependent on temperature with an energy of activation of 14.1 kcal/mole at an average circumferential stress of 3.1 kg/cm^2. The mechanism of the plastic flow is in agreement with a mechanism proposed previously, that is, flow between grain boundaries takes place.
    Type of Medium: Series available for loan
    Pages: iv, 7 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory 63
    Language: English
    Note: CONTENTS Preface Summary Experimental Materials Apparatus Experimental results Deformation under constant hydrostatic pressure Deformation as a function of hydrostatic pressure Deformation as a function of temperature at constant pressure Discussion References
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  • 60
    Series available for loan
    Series available for loan
    Wilmette, Ill. : Snow Ice and Permafrost Research Establishment, Corps of Engineers, U.S. Army
    Associated volumes
    Call number: ZSP-202-69
    In: Research report / Cold Regions Research and Engineering Laboratory, 69
    Description / Table of Contents: Summary: The relations between rate of snow accumulation, snow density, snow age, and depth below the surface are formulated in terms of a compactive viscosity factor, which is assumed to be a function of only density and temperature, with parameters which will vary with the snow-type sequences of different climatic areas of high polar glaciers. The theory could be useful in an analysis of the data obtained from the large number of snow pits in Greenland, Ellesmere Island,and Antarctica.
    Type of Medium: Series available for loan
    Pages: iv, 8 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory 69
    Language: English
    Note: CONTENTS Preface Summary Introduction The Sorge depth-density curve Generalization for time-variable rate of accumulation Path of a particle on the surface y=B(h,t) Effect of temperature Computational procedure Densification under high loads References
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  • 61
    Series available for loan
    Series available for loan
    Wilmette, Ill. : Snow Ice and Permafrost Research Establishment, Corps of Engineers, U.S. Army
    Associated volumes
    Call number: ZSP-202-66
    In: Research report / Cold Regions Research and Engineering Laboratory, 66
    Description / Table of Contents: Summary: A simple theory is proposed for crack formation and development by soil desiccation on the basis of laboratory experiments utilizing soil samples (Bloomington till) with max particle size of 1 mm diam. held in flat wooden containers. The crack pattern is more dependent on the thickness of the soil sample than on temperature or humidity. Some effect is caused also by differences in the bottom material of the containers. The area of cells made by crack patterns has a log normal size distribution. Total length of cracks decreases with increase in sample thickness. The number of sides of cells also depends on the thickness. Cracking was found to begin from the center of the soil layer and to propagate to the surface or bottom with non-uniform speed.
    Type of Medium: Series available for loan
    Pages: vi, 48, A4 Seiten , Illustrationen
    Series Statement: Research report / Cold Regions Research and Engineering Laboratory 66
    Language: English
    Note: CONTENTS Preface Summary Introduction Soil material Soil Preparation of the soil material Containers Temperature and humidity of the air Moisture content and dry density of the soil Experimental procedures and results General procedures Definition of the characteristics of cracking of soil Cracking moisture content Size of cells made by cracking of the soil Length of cracks Number of sides of cells Development of cracks Additional experiments Interfacial fracture markings Method of auxilliary tests on physical properties of the soil Elastic constants of the soil Shrinkage of soil due to desiccation Tests of the adhesion between the soil and the bottom material Results of auxiliary tests Elastic constants of the soil Free shrinkage process of the soil due to desiccation Adhesion between the soil and glass or wood Mechanism of crack formation due to the desiccation of soil Geometric interpretation Mechanical interpretation Conclusions References Appendix: Table of experiments
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  • 62
    Monograph available for loan
    Monograph available for loan
    Tachkent : Izdatel'stvo akademii nauk usbekskoj SSR
    Call number: AWI G7-92-0554
    Type of Medium: Monograph available for loan
    Pages: 178 S. : graph. Darst., Kt.
    Language: Russian
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  • 63
    Call number: MOP 30728 ; AWI S5-19-76653
    Type of Medium: Monograph available for loan
    Pages: 236 Seiten
    Language: Russian , German
    Note: Teilweise in kyrillischer Schrift
    Location: MOP - must be ordered
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    Branch Library: GFZ Library
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  • 64
    Call number: AWI P6-93-0354
    Type of Medium: Monograph available for loan
    Pages: 105 S. , Ill., graph. Darst., Kt. , 1 Faltkt.
    Language: Russian
    Note: Contents: From the editor. - Organization of the Fourth Antarctic Expedition and its tasks. - Routes of expedition ships. - d/s Ob. - m/s Mikhail Kalinin. - Observatory Mirny. - Unloading the ships. - Operation of expedition parties. - Connections with Antarctic Expeditions of other countries. - Antarctic inland tractor-sledge traverses. - South Pole traverse. - Geophyiscal traverse along the Mirny-Komsomolskaya route. - Work of the Antarctic stations. - Vostok. - Komsomolskaya. - Lazarev. - Brief summary of results of scientific researches conducted by the Soviet Antarctic Expeditions (1955-1960). - The Fifth Antarctic Expedition. - International cooperation in the study of Antarctica. - Abstract. - References. - Appendixes. - 1. Main data of the Soviet Antarctic stations. - 2. Calendar of the expedition ships operations. - 3. Personnel of the Soviet Antarctic Expeditions of 1955-1960. - 4. Period of work of Antarctic Expeditions in 1955-1960. - 5. List of members of the Fourth Antarctic Expedition. - 6. List of clothing for the members of Antarctic Expeditions. - 7. Food supply of the Antarctic Expeditions. , In kyrill. Schr. , Mit engl. Zsfassung
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