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  • English  (1,534)
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  • 1985-1989  (721)
  • 1980-1984  (827)
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  • 1984  (423)
  • 1980  (408)
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  • 1
    Call number: M 96.0537/1 ; 15/13860/1
    In: Proceedings
    Type of Medium: Monograph available for loan
    Pages: xxi, 868 S.
    ISBN: 0132463644
    Classification:
    B.5.
    Language: English
    Location: Upper compact magazine
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  • 2
    Monograph available for loan
    Monograph available for loan
    Milton : Publ. Fund, Palm and Cycad Soc. of Australia
    Call number: PIK N 630-15-89514
    Type of Medium: Monograph available for loan
    Pages: VII, 198 S. , zahlr. Ill., graph. Darst., Kt , 26 cm
    ISBN: 0958793131
    Language: English
    Branch Library: PIK Library
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  • 3
    Monograph available for loan
    Monograph available for loan
    New York, N.Y. [u.a.] : Springer
    Call number: M 15.89123
    Description / Table of Contents: In the first edition of this book I tried to survey in brief compass the main ideas, methods, and discoveries of rational thermodynamics as it then stood, only five years after Messrs. COLEMAN & NOLL, while in Baltimore, had written the fundamental memoir that provided for the new science the one root theretofore wanting. A survey in the same style today would require an almost wholly new book, three or four times as long. As it was in 1968, again in 1983 a consecutive treatise restricted to the foundations would be premature, for at this moment they are under earnest discussion, probing analysis, and powerful attack by several students and from several directions. Because, although in the first edition I expressed some opinions I no longer hold and made some statements I should now recast or even re­ tract, it seems even yet to offer a simple introduction to some aspects of the field that remain current, I have chosen to reprint it unaltered except for emendation of slips and bettering of the English here and there.
    Type of Medium: Monograph available for loan
    Pages: XVI, 578 S , graph. Darst
    Edition: 2., ed. corr. and enl.
    ISBN: 0387908749 , 3540908749
    Language: English
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  • 4
    Monograph available for loan
    Monograph available for loan
    [Edgecumbe, N.Z.] : A. Muller
    Call number: M 15.89146
    Description / Table of Contents: An account of the results of the 2 March 1987 earthquake in the eastern Bay of Plenty and the aftermath's effects on the people and places on the Rangitaiki Plains
    Type of Medium: Monograph available for loan
    Pages: 223 S., , Ill.
    Language: English
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  • 5
    Monograph available for loan
    Monograph available for loan
    Rockville, MD : U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, Environmental Data and Information Service,
    Call number: PIK N 454-17-90910
    Type of Medium: Monograph available for loan
    Pages: x, 290 Seiten , Diagramme, Karten , 28 cm
    Language: English
    Location: A 18 - must be ordered
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  • 6
    Monograph available for loan
    Monograph available for loan
    New York : Vintage Books
    Call number: IASS 16.90435
    Type of Medium: Monograph available for loan
    Pages: XII, 270 S.
    ISBN: 0394513576 , 039473954x (pbk.) , 9780394739540 (pbk.)
    Language: English
    Branch Library: RIFS Library
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  • 7
    Call number: ZSP-708-5
    In: SCAR report, No. 5
    Type of Medium: Series available for loan
    Pages: 46 S.
    Series Statement: SCAR report 5
    Language: English
    Note: Enth. auch: SCAR Group of Specialists on Southern Ocean Ecology : meeting at Hobart, Tasmania, 3-5 September 1988. - SCAR Working Group on Geology : meetings at Hobart, Tasmania, 5 and 9 September 1988. - SCAR Working Group on Solid Earth Geophysics : meetings at Hobart, Tasmania, 5 and 9 September 1988. - SCAR Working Groups on Geology and Solid Earth Geophysics : joint meeting at Hobart, Tasmania, 5-8 September 1988. - SCAR Working Group on Logistics and Managers of National Antarctic Programmes : meeting at Hobart, Tasmania 5-9 September 1988.
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  • 8
    Call number: AWI P8-93-0045
    Type of Medium: Monograph available for loan
    Pages: 22 Seiten , graphische Darstellungen, Karten
    Language: English
    Note: Contents: Foreword. - Organisation of the expedition. - Project personnel. - Implementation of the expedition. - 1. Administrative prerequisites. - 2. Operational plans. - 2.1 Access to study area and routes. - 2.2 Logistics and equipment. - Purpose of the expedition. - Study area. - Short outline of the surveys. - 1. Recording of the abiotic conditions. - 2. The cartography of vegetation. - 3. The population surveys. - Preliminary results. - Short outline of the results of the lemming winter nest surveys. - Miscellanea. - Discussion. - Conclusion. - Acknowledgements.
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  • 9
    Call number: AWI G2-18-91721
    Type of Medium: Monograph available for loan
    Pages: 111 S. : , graph. Darst., Kt.
    Language: German , English
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  • 10
    Monograph available for loan
    Monograph available for loan
    München : Institut für Allgemeine und Angewandte Geologie, Ludwig-Maximilians-Universität
    Call number: AWI G6-18-91729
    Type of Medium: Monograph available for loan
    Pages: 45 Seiten , Illustrationen, Karten , 30 cm
    Language: English
    Note: Contents: Age and correlation of metamorphic basement in Edward VII Peninsula Marie Byrd Land and Southern New Zealand / C. J. Adams & S. D. Weaver. - Granite Harbour intrusives from North Victoria Land between David and Aviator Glaciers: new geochronological and isotope data / P. Armienti, C. Ghezzo, F. Innocenti, P. Manetti, S. Rocchi & S. Tonarini. - Granulites in the Kottas Mountains, Antarctica: geology, geochronology and geochemistry / N. T. Arndt, C. Chauvel, W. Todt, M. Tapfer & K. Weber. - Utility of 87Sr/86Sr ratios of biogenic carbonate to estimate ages of sedimentary and climatic events in Antarctica / E. Barrera & P. N. Webb. - Cooling patterns in Western Dronning Maud Land, Antarctica, and Southwestern Africa and their implications to Gondwana / J. M. Barton & A. B. Moyes. - U-Pb isotopic systematics of zircons from polymetamorphic rocks of Eastern Enderby Land / B. V. Belyatsky, L. K. Levsky & E. N. Kamenev. - Geochronology and climastratigraphy of tertiary glacial and interglacial successions on King George Island, South Shetland Islands / K. Birkenmajer. - Reliability of potassium-argon dating of cretaceous-tertiary island-arc volcanic suite of King George Island, South Shetland Islands / K. Birkenmajer, E. Soliani, Jr. & K. Kawashita. - Sequence stratigraphy for cenozoic glacial rocks of the Antarctic Continental margin - a lesson from Prydz Bay Drilling / A. K. Cooper. - Jurassic accretion of a high buoyancy guyot in Southern-most South America: the Diego Ramirez Islands / J. Davidson, E. Godoy, F. Herve, C. Mpodozis & N. Munoz. - Age and petrogenesis of the granitic basement rocks, Brown Hills, Transantarctic Mountains / R. P. Felder & G. Faure. - Age of the Chlamys-Bearing Conglomerate (paleogene) from King George Island in the light of micropaleontological data / A. Gazdzicki. - Tectonic implications of 40Ar/39Ar ages from the Elephant Island Group, Antarctica / A. M. Grunow, I. W. D. Dalziel, T. M. Harrison & M. T. Heizler. - New Rb-Sr age data on the Scotia metamorphic complex at Clarence Island / F. Herve, H. Miller, W. Loske, A. Milne & R. Pankhurst. - Sedimentary structures in rift basins on the conjugate margins of Antarctica/Ross Sea and Australia/Western Tasmania, South Tasman Rise / K. Hinz, M. Hemmerich, U. Salge & O. Eiken. - Was there a significant glacial episode on the Antarctic Peninsula during the middle Holocene? / Chr. Hjort & O. Ingolfsson. - Rb-Sr and K-Ar dating of granite harbour intrusives and rhyolites from North North Victoria Land, Antarctica / H. Kreuzer, C. Carl, A. Höhndorf, P. Müller, N. W. Roland & F. Tessensohn. - Radiometric dating of Jurassic supergroup Tholeiites: a review / P. R. Kyle. - Cretaceous-tertiary history of the Kergulen Plateau revealed from the Marion Dufrese Piston Core and dredging crusies / L. Leclaire, F. Fröhlich & Y. Bassias. - Geologic events of the last 100 million years revealed by K-Ar dating of volcanic rocks in Marie Byrd Land / W. E. LeMasurier & D. C. Rex. - Radiolarian biochronology from the subantarctic Atlantic Ocean / H. Y. Ling. - U-Pb Zircon ages of xenoliths at Cape Dubouzet, Northern Antarctic Peninsula / W. Loske, H. Miller, A. Milne & F. Herve. - Th-230 and Be-10 chronology of sediments from the Weddell Sea / A. Mangini, P. Walter & A. Eisenhuber. - Tephrostratigraphical investigations on marine and limnic ash-layers from Bransfield Strait Region, Antarctica / D. Matthies, R. Mäusbacher & D. Storzer. - Significance of detrital zircons from the Trinity Peninsula Group sediments for the reconstruction of Gondwana / H. Miller & W. Loske. - Geochronology of the basement to Graham Land, Antarctic Peninsula / A. J. Milne & I. L. Millar. - Implications of Sm-Nd garnet ages for the stratigraphy of Northern Graham Land, Antarctic Peninsula / A. J. Milne, I. L. Millar & A. G. Whitham. - A review of isotopic data from Western Dronning Maud Land, Antarctica / A. B. Moyes & J. M. Barton Jr. - Metamorphic rocks and charnokite in Gjelsvikfiella and Western Muhlig-Hofmannfjella, and their Rb/Sr ages / Y. Otha & B. Torudbakken. - The geochronology of the Jones Mountains and Thurston Island, Central West Antarctica / R. J. Pankhurst, I. L. Millar, A. M. Grunow & B. C. Storey. - Sr isotopes in volcanic rocks from Deception Island, and their genetic significance / C. A. Parica & H. A. Ostera. - Paleomagnetic stratigraphy of drill-cores from McMurdo Sound and Taylor Valley, Antarctica / H. J. Rieck. - Variability of scavenging in the Southern Ocean. Implications for stratigraphy based on radioisotope- and manganese accumulation / M. M. Rutgers van der Loeff & G. W. Berger. - Dating of the cenozoic magmatic province at the Ross Sea Coast of Northern Victorica Land, Antarctica / M. Schmidt-Thome, H. Kreuzer, H. Lenz, P. Müller, F. Tessensohn & U. Vetter. - Reconnaissance fission track dating within West Antarcticca / B. C. Storey, R. J. Pankhurst, I. B. Evans & A. Carter. - New radiometric age data from Elephant Island, South Shetland Islands / R. A. J. Trouw, R. J. Pankhurst & K. Kawashita. - Antarctic cenozoic geochronology / P. N. Webb. - Radiometric age determinations of late cenozoic alkalli McMurdo Volcanic Group Rocks. Discovery volcanic subprovince, Ross Sea, Antarctica / A. C Wright-Grassham, P. R. Kyle, K. Foland, F. Mcdowell & D. Lux.
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  • 11
    Call number: AWI G2-18-91717
    Type of Medium: Monograph available for loan
    Pages: 60 Seiten , Illustrationen, graphische Darstellungen
    Language: German , English
    Note: POSTER: ODP Leg 122 - Palynostratigraphie und Korrelation von Site 759 und Site 760 / W. Brenner. - Stoffbestand, Genese und Entwicklung gabbroider Gesteine der ozeanischen Unterkruste / R. Emmermann & A. Hoffmann. - Massenspektrometrische Bor-Isotopenbestimmung in Ozeanbodenbasalten und -sedimenten / J. Erzinger & E. Zuleger. - Fazies und Paläozeanographie glazial/interglazialer Sedimente des Europäischen Nordmeers / R. Henrich. - Geochemische Untersuchungen an Aschenlagen der Südatlantik-Legs 113 und 114 / H.-W. Hubberten, W. Morche, F. Westall & D. K, Fütterer. - Heat flow and fluid flow in deep-sea sediments and ocean crust / J. Mienert & R. P. von Herzen. - ODP Leg 114: Bolboforma (Algae, Chrysophyta) im subantarktischen Paläogen / D. Spiegler. - Magnetostratigraphie tertiärer Sedimentfolgen vom Maud Rise, Weddell See - Ergebnisse von ODP Leg 113 / V. Spiess & N. Nowaczyk. - Sedimentologische Untersuchungen an quartären und tertiären Sedimenten von ODP Site 647, Labrador See / R. Stax & R. Stein. - Corg-Gehalt und Sedimentationsrate - ein 'Paleoenvironment-Indikator' in marinen Sedimenten / R. Stein. - Calcareous nannofossils from DSDP Hole 530A: their biostratigraphy and correlation with paleomagnetic reversals / J. C. Steinmetz & H. Stradner. - Eine Methode zur genetischen Unterscheidung der magnetischen Mineralfraktion in Tiefseesedimenten / T. von Dobeneck. - VORTRÄGE : Zur Stabilität der Magnetosomen: typische Magnetofossilien im limnischen und marinen Bereich / G. Amarantidis, H. Vali, G. Morteani, J. Müller, N. Petersen & L. Bachmann. - Austauschprozesse des organischen Materials zwischen Porenwasser und Sediment - Leg 112, Peru Margin / Arbeitsgruppe E. T. Degens. - Planung von Bohrungen in sediment-bedeckten Krustenakkretionszonen / H. Bäcker. - Chemische Stoffbilanzen zwischen Meerwasser, ozeanischer und ophiolithischer (Troodos) Kruste / U. Bednarz & H.-U. Schmincke. - Mikrogefüge, Deformationsmechanismen und Fluids im Barbados-Akkretionskeil / J. H. Behrmann & D. J. Prior. - Organische Geochemie der Sites 767 und 768, ODP Leg 124, Celebes und Sulu See / U. Berner. - Die sedimentären Abfolgen der Celebes und Sulu See (Leg 124) / Ch. Betzler & Leg 124 Shipboard Scientific Party. - Zusammensetzung und Herkunft von Aschenlagen und die Frage magmatischer Episodizität im Nordatlantik / P. R. Bitschene & H.-U. Schmincke. - Die vulkano-tektonische und magmatische Entwicklung des Kerguelen Plateaus (KP, südlicher Indischer Ozean) / P. R. Bitschene, K. Mehl, H.-U. Schmincke & Leg 120 Shipboard Party. - The Toba Ash, older tephra layers and basement rocks of the eastern Indian Ocean - ODP Leg 121 / J. Dehn, H.-U. Schmincke & Leg 121 Shipboard Party. - Schwellen-Becken-Sedimentation im Jura: Vergleich Alpen Atlantik / O. Ebli. - Glaziale Entwicklung der Prydz Bay, Ostantarktis (ODP Leg 119) / W. U. Ehrmann. - Palynologische Untersuchungen in miozänen Sedimenten des Nordatlantiks - erste Ergebnisse von Site 408/Leg 49; Site 554/ Leg 81 und Site 400/ Leg 48 / E. Engel & H. Zankl. - Känozoische Biochronologie und Paläozeanographie der Norwegischen See: Synthese ODP Leg 104 / R. Goll, S. Locker, O. Spiegler, U. Beil, R. Henrich & J. Thiede. - Magnetostratigraphie der Sedimente von Leg 120 / F. Heider, H. Inokuchi & ODP Leg 120 Shipboard Scientific Party. - Flüssigkeitseinschlüsse als Indikator für hochtemperierte Alteration im Sheeted Dike Komplex der ozeanischen Kruste (Bohrung 504B, Leg 111) / P. M. Herzig, D. Schöps & G. Friedrich. - Zum geologischen Aufbau des argentinischen Kontinentalrandes: Ergebnisse einer seismischen Übersichtsmessung der BGR / K. Hinz & H. Meyer. - Zur Ablagerungsgeschichte des Kerguelen Plateaus, südlicher Indischer Ozean (ODP Leg 120) / A. Mackensen & Leg 120 Scientific Party. - Entstehung des Kerguelen - Plateaus: erste Ergebnisse der Legs 119 und 120 / K. Mehl, P. R. Bitschene, H.-U. Schmincke & Leg 119 Shipboard Party. - Ein Modell für globale Plattenbewegungen im Mesozoikum und Känozoikum / R. D. Müller. - Biostratigraphisch-paläontologische Ergebnisse von ODP Leg 123 / J. Mutterlose. - Zyklische Sedimentation in der Mittelkreide von Umbrien / S. Noe. - Compositional variation and internal structure of igneous oceanic crust exposed in the Galapagos Microplate / T. H. Puchel & N. Blum. - Pauschale und molekulare organisch-geochemische Signale in den Sedimenten der Auftriebszone vor Peru (ODP Leg 112) / J. Rullkötter, H. L. Ten Haven, R. Stein, R. Littke & D. H. Welte. - Leg 123 - Multivariate Statistik zur Sedimentologie / M. Schott. - Wird es arktische Tiefseebohrungen geben? / J. Thiede. - Die Geburt des Indischen Ozeans (erste Ergebnisse von ODP-Leg 123/ Argo Abyssal Plain off NW Australia) / J. Thurow & Shipboard Scientific Party ODP-Leg 123. - Die Klimaentwicklung der Sahara und der Sahelzone während der letzten 8 Mill. Jahre (Ergebnisse von ODP-Sites 657-661) / R. Tiedemann, M. Sarnthein, B. Stabell & R. Stein. - HRTEM characterization of single-domain magnetic particles from a deepsea sediment / H. Vali, J. L. Kirschvink, G. Morteani, L. Bachmann & N. Petersen. - Paläoenvironment der Riftphase und des Rift-Drift-Übergang am Exmouth Plateau (NW Australien): Kurzbericht über ODP-Leg 122 und ein BGR-Forschungsprojekt / U. von Rad, W. Brenner & G. Wirsing. - Fluktuationen und Biostratigraphie benthischer Foraminiferen an Site 658 und 659, Leg 108 (Pleistozän, Pliozän) / P. Weinholz & G. F. Lutze.
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  • 12
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-84/32
    In: CRREL Report, 84-32
    Description / Table of Contents: Orwell Lake, in west-central Minnesota, is a flood-control, water-management reservoir first impounded in 1953. Subsequent erosion of the shoreline and a lack of knowledge of slope erosion processes in this region prompted this study to identify and quantify the processes there. The processes were measured at selected sites between June 1980 and June 1983. Erosion of the banks is primarily caused by three processes: rain, frost thaw, and waves. The first two processes tend to move sediment to the base of the steep slopes, forming 4 relatively gentle surface of accumulation. Wave action then tends to move this sediment into the lake. Analysis of the data collected over three years has confirmed that wave action is the dominant erosion process, providing almost 77% of the erosion during the 1981-82 study year. During the 1981 high pool level, 2,089 Mg of sediment, mostly colluvium, was removed from the lower slopes by wave action striking the 1.62 km of eroding shoreline. More than 4,300 Mg was eroded by waves accompanying the higher pool levels of 1982., During years in which the pool level does not exceed 325.5 m in elevation, the colluvium slope builds up at the expense of the steeper slope. But during successive years with higher pool levels, the resulting thin colluvium is quickly eroded. Erosion of the primary sediment, a compact till, then occurs, forming the S typical nearly vertical banks. In winter the upland surface adjacent to the lake freezes to a depth of between 1 and 2 m, depending on the surface temperature, the mow cover, and the distance from exposed banks. In late winter soil aggregates, released by the sublimation of interstitial ice within the banks, begin to accumulate at the base of the slopes, often veneering snowbanks there. Once thaw begins, slab failure of bank sediment is followed by mudflows and earthflows. Thaw failure at Orwell Lake in the winter of 1981-82 accounted for over 20% of the erosion; in the spring of 1982, 824 Mg was eroded by this process and 746 Mg the following spring. Such slope failure is most intense along north-facing banks and considerably less intense on south-facing banks, where more effective desiccation and sublimation reduce the soil moisture content. Summer rainfall is responsible for the remaining 3% of the total erosion, amounting to 102 Mg in 1981 and 208 Mg in 1982. Because the banks are steep and relatively short, rainwash is infrequent; rainsplash is the most consistent process during the summer, but the infrequent storms during which rainwash occurscause greater total erosion. Erosion by rain has increased in each of the past three summers, largely because of increased precipitation. Infrequent massive slope failures (slumps) have occurred at the east end of the lake where a buried clay rich unit is stratigraphically and topographically positioned to favor such failures. Drought years followed by heavy spring rains probably will result in additional slope failures of this type at the east end. Unless changes are made, the banks at Orwell Lake will continue to recede. Restriction of the pool level to less than 325.5-m elevation is the least expensive solution to the problem.
    Type of Medium: Series available for loan
    Pages: ix, 110 Seiten , Illustrationen
    Series Statement: CRREL Report 84-32
    Language: English
    Note: CONTENTS Abstract Preface Summary Chapter 1. Introduction Location Purpose of study Previous work Chapter 2. Methodology Geology Overland erosion Wave erosion Frost penetration and heave Thaw failure Bank recession Ground water Soil moisture Chapter 3. Results Geology Geotechnical properties Overland erosion Wave erosion Freeze-thaw phenomena Ground water fluctuations Other slope failures Chapter 4. Discussion Overland erosion Wave erosion Thaw failure Universal soil loss equation Chapter 5. Summary and conclusions Techniques Erosion processes at Orwell lake Bank recession Literature cited Appendix A1: Average cumulative change of surface at erosion stations #2-12, 1980-81 Appendix A2: Cumulative net changes at overland erosion stations #1-12, 1980-81 Appendix A3: Cumulative net changes at overland erosion stations #1 -12, 198 1-82 Appendix A4: Cumulative average erosion at overland erosion stations #1-12, 1980-81 Appendix AS: Cumulative average erosion at overland erosion stations #1-12, 1981-82 Appendix A6: Cumulative average erosion at overland erosion stations #1 -1 2A, 1982 Appendix B: Dimensions of erosion sections, Orwell Lake, Minnesota Appendix C: Piezometer installation data, Orwell Lake, Minneso
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  • 13
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-84/26
    In: CRREL Report, 84-26
    Description / Table of Contents: Observations of shore ice pile-up and ride-up along the Alaska Beaufort Sea coast in 1983 and 1984 are presented. New information on historical accounts of onshore ice movement, uncovered since publication of Part I in this series, is reported. An account is given of ice overtopping a concrete caisson exploration island in the Canadian Beaufort Sea.
    Type of Medium: Series available for loan
    Pages: iii, 33 Seiten , Illustrationen
    Series Statement: CRREL Report 84-26
    Language: English
    Note: CONTENTS Abstract Preface Introduction Observations Discussion Literature cited Appendix A: Site location maps
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  • 14
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-84/2
    In: CRREL Report, 84-2
    Description / Table of Contents: Investigations of the in situ complex dielectric constant of sea ice were made using time-domain spectroscopy. It was found that (1) for sea ice with a preferred horizontal crystal c-axis alignment, the anisotropy of polarizing properties of the ice increased with depth, (2) brine inclusion conductivity increased with decreasing temperature down to about -8 C, at which point the conductivity decreased with decreasing temperature, (3) the DC conductivity of sea ice increased with increasing brine volume, (4) the real part of the complex dielectric constant is strongly dependent upon brine volume but less dependent upon the brine inclusion orientation, (5) the imaginary part of the complex dielectric constant was strongly dependent upon brine inclusion orientation but much less dependent upon brine volume. Because the electromagnetic (EM) properties of sea ice are dependent upon the physical state of the ice, which is continually changing, it appears that only trends in the relationships between the EM properties of natural sea ice and its brine volume and brine inclusion microstructure can be established.
    Type of Medium: Series available for loan
    Pages: vi, 38 Seiten , Illustrationen , 1 Beilage
    Series Statement: CRREL Report 84-2
    Language: English
    Note: CONTENTS Abstract Preface Nomenclature Introduction Dielectric properties of sea ice Time-domain spectroscopy measurement Laboratory measurements Field measurements Analysis of ladder data Conductivity of brine and sea ice Complex dielectric constant of brine and sea ice Discussion and conclusions Literature cited
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  • 15
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-84/3
    In: CRREL Report, 84-3
    Description / Table of Contents: The results of resistance tests in level ice and broken ice channels are presented for two models of the WTGB 140-fticebreaker at scales of 1:10 and 1:24, respectively. No scale effect on the resistance in level ice could be detected between the two models. From the test results an empirical predictor equation for the full scale ice resistance is derived. Predicted resistance is compared against, and found to be 25 to 40% larger than, available full-scale values estimated from thrust measurements during full-scale trials of the Great Lakes icebreaker Katmai Bay.
    Type of Medium: Series available for loan
    Pages: v, 25 Seiten , Illustrationen
    Series Statement: CRREL Report 84-3
    Language: English
    Note: COTENTS Abstract Preface Nomenclature Introduction Model characteristics and test conditions Ice-hull coefficient of friction Measurements of ice properties Experimental procedures Data acquisition system Test program and procedures for 1:10 model Test program and procedures for 1:24 model Analysis of test results Comparison of test results between 1:10 and 1:24 models Analysis of tests in broken or brash-filled ice channels Analysis of tests in level ice Full-scale prediction of level ice resistance Conclusions Literature cited
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  • 16
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-84/12
    In: CRREL Report, 84-12
    Description / Table of Contents: Icing on stationary structures such as oil rigs is becoming an increasingly serious problem as offshore drilling operations in the subpolar regions become more common. Little information exists on this subject. Extensive observations have been made of icing on the upper structures of moving ships, but the complexity of this problem makes analysis of the results very difficult. Even the generation of water drops in this case involves many factors, such as windspeed, wave direction relative to the bearing of the ship, and size and free-board of the ship. On stationary structures, however, the problem is much simpler, since the major factor in drop generation is whitecaps produced by wind, and no motion of the structure is involved. In the present study, a theoretical calculation was made by combining the data available on the generation of drops by wind with data on the proportion of ice frozen from the collected water. The rate of ice accumulation on stationary structures was calculated using published data. The results were compared with icing measured on board ships. Although the general trend of this calculation indicated parallelism with the onboard measurements, the measured ice accumulation rate on ships needed a 5 to 8 m/s higher windspeed to correspond with the calculated rate for stationary structures.
    Type of Medium: Series available for loan
    Pages: ii, 13 Seiten , Illustrationen
    Series Statement: CRREL Report 84-12
    Language: English
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  • 17
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-84/11
    In: CRREL Report, 84-11
    Description / Table of Contents: Data obtained from two sets of data buoys either air-dropped or deployed by ship onto the Weddell Sea pack ice during the period from Dec 1978 to Nov 1980 are presented. The buoy data include position, pressure and temperature information and to date represent the most complete combined weather and pack ice drift records for the ice-covered Southern Ocean regions. The buoys tended to drift north initially and then to turn east generally between latitudes 62°S and 64°S. Buoy 1433 turned east farther south at approximately 67°S but at about the same time as buoy 0527, implying that the westerly wind belt was farther south than usual in 1979. The range of air pressures-from about 950 mb to about 1020 mb is typical of the circumpolar low pressure trough in the Southern Hemisphere. All buoys were equipped with an internal or compartment temperature sensor. The 1980 buoys also contained an external air temperature sensor in a ventilated, shielded can at 1-m height. Although differences of 10°C or more between recorded air and compartment temperatures are common, the correlation between the two measured temperatures is generally very good. The compartment temperatures are higher probably because the buoy is radiationally heated. We found that subtracting 3°C from the average daily compartment temperature yielded a good estimate of the average air temperature for any given day. This technique can be used to construct average daily air temperature records for the 1979 buoys which only contained the internal or compartment temperature sensor.
    Type of Medium: Series available for loan
    Pages: v, 21 Seiten , Illustrationen
    Series Statement: CRREL Report 84-11
    Language: English
    Note: CONTENTS Abstract Preface Introduction Methods and instrumentation Results Drift tracks Pressure data Temperature data Discussion Conclusions Literature cited
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  • 18
    Call number: ZSP-201-84/9
    In: CRREL Report, 84-9
    Description / Table of Contents: This report presents the results of the first phase of a test program designed to obtain a comprehensive understanding of the mechanical properties of multi-year sea ice from the Alaskan Beaufort Sea. In Phase I, 222 constant-strain-rate uni-axial compression tests were performed on ice samples from ten multi-year pressure ridges to examine the magnitude and variation of ice strength within and between pressure ridges. A limited number of constant-strain-rate compression and tension tests, constant-load compression tests, and conventional triaxial tests were also performed on ice samples from a multi-year floe to provide preliminary data for developing ice yield criteria and constitutive laws for multi-year sea ice. Data are presented on the strength, failure strain, and modulus of multi-year sea ice under different loading conditions. The statistical variation of ice strength within and between pressure ridges is examined, as well as the effects of ice temperature, porosity, structure, strain rate and confining pressure on the mechanical properties of multi-year sea ice.
    Type of Medium: Series available for loan
    Pages: v, 107 Seiten , Illustrationen
    Series Statement: CRREL Report 84-9
    Language: English
    Note: CONTENTS Abstract Preface Introduction Field Sampling Site selection and description Ice sampling procedures Shipping and storage of ice samples Testing Techniques Multi-year Pressure Ridge Tests Ice description Sampling scheme and test variables Uniaxial compressive strength Residual compressive strength Failure strains Initial tangent modulus Statistical Variations in Ice Strength Differences in strength above and below level ice Sources of the variation in strength Shape of the strength histograms Multi-year Floe Ice Tests Ice description Uniaxial compressive strength Constant-load compression tests Constant-strain-rate tension tests Triaxial tests Conclusions Literature Cited Appendix A: Structural profile of a multi-year pressure ridge core Appendix B: Ridge uniaxial compression test data Appendix C: Structural profile of the continuous multi-year floe core Appendix D: Multi-year floe test data
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  • 19
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-89/19
    In: CRREL Report, 89-19
    Description / Table of Contents: Recent efforts to improve airborne electromagnetic induction- measurement technology and to downsize the related helicopter-towed antenna assembly from about 7.5 m long to about 3.5 m long for use in airborne measurement of sea ice thickness are discussed, as are the results from arctic field testing. Also outlined are the system noise and drift problems encountered during arctic field evaluation, problems that adversely affected the quality of the sounding data. The sea ice sounding results indicate that it should be possible to determine thickness to within 5% for ice floes with moderate relief but that, because of sounding footprint size and current model algorithm constraints, steepsided pressure ridge keels cannot be well defined. The findings also indicate that routine sea ice thickness profiling from an airborne platform is close at hand with further system improvement, as is the apparent capability to determine the conductivity of the sea ice, from which an assessment of sea ice strength can be made.
    Type of Medium: Series available for loan
    Pages: iii, 54 Seiten , Illustrationen
    Series Statement: CRREL Report 89-19
    Language: English
    Note: CONTENTS Abstract Preface Introduction Pre-field-deployment activities Software development System optimization Improvements of the calibration procedure Real-time processing Small bird design and implementation Other improvements Field activities Snow, ice and seawater data AEM surveys Calibration AEM data processing Post-survey results Processing problem Ground truth data Floe freeboard vs thickness analysis AEM sounding results Concluding remarks Literature cited Appendix A: Blowup of Figure 28
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  • 20
    Call number: MOP 47453/3 / Mitte
    In: Veröffentlichungen des Zentralinstituts für Physik der Erde, 102
    Type of Medium: Monograph available for loan
    Pages: III, 333 Seiten , Illustrationen
    Series Statement: Veröffentlichungen des Zentralinstituts für Physik der Erde Nr. 102
    Language: English
    Location: MOP - must be ordered
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  • 21
    Call number: MOP 45321 / Mitte
    In: Antarctic research activities of the German Democratic Republic
    Type of Medium: Monograph available for loan
    Series Statement: Antarctic research activities of the German Democratic Republic : report to SCAR No 5
    Language: English
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  • 22
    Call number: MOP 46084 / Mitte
    Description / Table of Contents: This document is a report of research, design, environmental, coordination, and public involvement activities of the Water and Power Resources Service SCPP (Sierra Cooperative Pilot Project). The SCPP ia an investigation of the technical feasibility and social acceptability of winter cloud seeding in the Sierra Nevada to supplement the region's future water supply. This report explains the results of the 1979-80 winter field season and reviews research undertaken by the SCPP in previous seasons.
    Type of Medium: Monograph available for loan
    Pages: vi, 72 Seiten , Illustrationen, Karten
    Language: English
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  • 23
    Monograph available for loan
    Monograph available for loan
    Helsinki : Valtion Painatuskeskus
    Call number: MOP 47551/2 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 520 Seiten
    Series Statement: Suomen Akatemian Julkaisuja / The Publications of the Academy of Finland 9/89
    Language: English
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  • 24
    Monograph available for loan
    Monograph available for loan
    Boston, Mass. : American Meteorological Society
    Call number: MOP 45485 / Mitte
    Type of Medium: Monograph available for loan
    Pages: iv, 322 Seiten , Illustrationen, Diagramme
    ISBN: 0933876513
    Language: English
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  • 25
    Series available for loan
    Series available for loan
    Moscow : Academy of Sciences of the USSR, Soviet Committee on Antarctic Research
    Associated volumes
    Call number: MOP 46294/B / Mitte
    In: USSR national report to SCAR, No. 26
    Type of Medium: Series available for loan
    Series Statement: USSR national report to SCAR 26
    Language: English
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  • 26
    Monograph available for loan
    Monograph available for loan
    Hong Kong : Royal Observatory
    Call number: MOP 47253(1988) / Mitte
    Type of Medium: Monograph available for loan
    Pages: 89, [2] Seiten , Illustrationen
    Language: English
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  • 27
    Call number: ZSP-201-80/20
    In: CRREL Report, 80-20
    Description / Table of Contents: Results of impulse radar studies of sea ice give support to the concept of a sea ice model in which the ice bottom is composed of an array of lossy parallel plate waveguides. The fundametal relation between the average bulk brine volume of sea ice and its electrical and strength properties is discussed as is the remote detection of under-ice current alignment. It was found that 1) the average effective bulk dielectric constant is dependent upon the average bulk brine volume of the sea ice; 2) sea ice anisotropy, arising from a bottom structure of crystal platelets with a preferred c-axis horizontal alignment, can be detected by radio echo sounding measurements made not only on the ice surface but also from an airborne platform; 3) the effective coefficient of reflection from the seaiIce bottom decreases with increasing average effective bulk dielectric constant of the ice, decreases with increasing bulk brine volume, and is typically one to two orders of magnitude lower dhan the coefficient of reflection from the ice surface; and 4) the losses In sea ice increase with increasing average bulk brine volume.
    Type of Medium: Series available for loan
    Pages: v, 18 Seiten , Illustrationen
    Series Statement: CRREL Report 80-24
    Language: English
    Note: CONTENTS Abstract Preface Introduction Field program Results and discussion Conclusions Literature cited Appendix: Data analysis procedures
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  • 28
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-80/16
    In: CRREL Report, 80-16
    Description / Table of Contents: Eight species of loricate choanoflagellates (Acanthoccidae), Acanthoecopsis spiculifera, Bicosta spinifera, Bicosta antennigera, Callicantha simplex, Calliacantha multispina aff., Crinolina aperta, Diaphanoeca multionnulata, and Parvicorbicula socialis, were observed in samples obtained from the Weddell Sea during the austral summer, 1977. D. multiannulata was described for the first time from these samples; the other organisms have either been described previously or are being described at this time. The distribution of most species within the Weddell Sea was widespread. The distributional, environmental, and morphological range of A. spiculifera, B. spinifera, C. aperta, and P. socialis was expanded. Habitats in which choanoflagellates were found included the water column, the edges of ice floes, ponds on ice floes, and the interiors of ice floes. The presence of choanoflagellates within the ice indicates that there may be a closely coupled trophic relationship with the other two biological components of the ice community, the ice algae and the bacteria. The presence in the ice of seven species with both a caudal appendage and anterior projections suggests a positive relationship between this lorica configuration and the ice habitat. Mechanisms of variance of transverse costal diameters between genera may be useful to the taxonomy and phylogeny of this family.
    Type of Medium: Series available for loan
    Pages: vi, 26 Seiten , Illustrationen
    Series Statement: CRREL Report 80-16
    Language: English
    Note: CONTENTS Introduction Literature review Objectives Materials and methods Results Observations Distribution and environmental tolerances Discussion Morphology Distribution Habitat Summary Conclusions Recommendations for future work Literature cited Appendix A Type descriptions of Acanthoecidae collected from the Weddell Sea
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  • 29
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-80/17
    In: CRREL Report, 80-17
    Description / Table of Contents: Construction pads made of snow were used to build two sections of the Trans Alaska Pipeline and a small gas pipeline during the winter of 1975-76. Construction during the winter has become increasingly common in the Arctic. Surface travel and the use of heavy construction equipment on the unprotected tundra have been severely restricted, even during the winter, so the use of temporary winter roads and construction pads built of snow and ice has been advocated and is being adopted. The three snow construction pads mentioned above were the first snow roads and construction pads used on a large scale in Alaska. Snow roads and construction pads have two objectives: to protect the underlying vegetation and upper layers of the ground, and to provide a hard, smooth surface for travel and the operation of equipment. Several types have been built, and a brief discussion is given of their history and classification systems. The three snow construction pads used in construction of the Trans-Alaska Pipeline and the small gas pipeline in 1975-76 were visited and observed while in use. The Globe Creek snow pad, about 50 miles north of Fairbanks, was built primarily of manufactured snow hauled to the site and watered. With very high densities this pad withstood heavy traffic and use by heavy construction equipment except on one steep slope. There, the use of tracked vehicles and vehicles without front wheel drive disaggregated the snow on and near the surface so that vehicles without front wheel drive were unable to climb the hill. The Toolik snow pad, just north of the Brooks Range, was built of compacted snow and proved capable of supporting the heaviest traffic and construction equipment. The fuel gasline snow pad ran from the northern Brooks Range to the Arctic Coast and also proved capable of supporting the necessary traffic. Both the Toolik snow pad and the fuel gasline snow pad failed in very early May because of unseasonably warm and clear weather before the associated construction projects were completed. However, the three snow pads must be considered successful. Common problems were the lack of snow, slopes, unseasonably warm spring weather, and inexperience on the part of contractors and construction personnel.
    Type of Medium: Series available for loan
    Pages: v, 28 Seiten , Illustrationen
    Series Statement: CRREL Report 80-17
    Language: English
    Note: CONTENTS Abstract Preface Introduction History of snow and ice roads Classification of snow and ice roads Snow pads used by Alyeska during the winter of 1975-1976 The Globe Creek snow pad The Toolik snow pad The gasline snow pad Summary and conclusions Literature cited
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  • 30
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-80/13
    In: CRREL Report, 80-13
    Description / Table of Contents: Specimens prepared from various types of ice without introducing excessive defects were tested at temperatures ranging from -2° to -190°C. These tests indicated slightly higher Charpy values at lower temperatures and in more highly dispersed material concentrations. Three modes of fracture occurred during testing. Depending on the temperature and the material composition, either of the first two modes, normal fracture or multiple fracture, will appear and will show a normal frequency distribution of Charpy values in each type of ice. The third mode, fracture from both ends,which frequently occurred in the NH4F doped ice, gave Charpy values two to five times higher than the mean value for normal fracture. It can, therefore, be concluded that certain types of doping can alter the mode of fracture, through which drastic modifications of impact resistance my be possible.
    Type of Medium: Series available for loan
    Pages: iii, 13 Seiten , Illustrationen
    Series Statement: CRREL Report 80-13
    Language: English
    Note: Contents Abstract Preface lntroduction Experimental Sample preparation Testing procedure Results General features Commercial Ice Notched commercial ice Sanded commercial ice Pure ice Single crystal ice Snow-ice Colloidal alumina-dispersed ice Colloidal silica.dispersed ice NH4F doped ice HF doped ice Discussion Literature cited
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  • 31
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-80/31
    In: CRREL Report, 80-31
    Description / Table of Contents: Ice accretion on structures built on the earth’s surface is discussed. Sources of water are the atmosphere or water bodies near or surrounding the structure. Ice types include frost, rime, glaze, and spray; properties and conditions governing their formation are presented. Methods of estimating accretion rates and total accretion on structures are given, and extracts from U.S. and Canadian codes for ice and wind loads on structures are included. Techniques for preventing or removing ice accretion are presented.
    Type of Medium: Series available for loan
    Pages: iv, 18 Seiten , Illustrationen
    Series Statement: CRREL Report 80-31
    Language: English
    Note: CONTENTS Abstract Preface 1. Types of ice accretion a. Frost b. Rime c. Glaze d. Spray ice 2. Conditions governing type of accreted ice a. Meteorological b. Structural 3. Accretion rates a. Fundamentals b. Effect of height c. Geographical distribution 4. Spray icing 5. Structural design factors a. Dead loads b. Wind field in the boundary layer c. Windloads 6. Techniques for minimizing structural icing 7. Data collection needs 8. Literature cited
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  • 32
    Call number: M 96.0537/5 ; 15/13860/5
    In: Proceedings
    Type of Medium: Monograph available for loan
    Pages: xiii, 1247 S.
    ISBN: 0132464063
    Classification:
    B.5.
    Language: English
    Location: Upper compact magazine
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  • 33
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    Monograph available for loan
    Englewood Cliffs, N.J. : Prentice-Hall
    Associated volumes
    Call number: M 96.0537/2 ; 15/13860/2
    In: Proceedings
    Type of Medium: Monograph available for loan
    Pages: xii, 906 S.
    ISBN: 0132463725
    Classification:
    B.5.
    Language: English
    Location: Upper compact magazine
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  • 34
    Monograph available for loan
    Monograph available for loan
    New York [u.a.] : Wiley
    Call number: M 96.0352
    Type of Medium: Monograph available for loan
    Pages: xix, 754 S.
    Edition: 2nd ed.
    ISBN: 0471815047
    Classification:
    C.3.3.
    Language: English
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  • 35
    Unknown
    Bellingham, Wash. : SPIE Optical Engineering Pr.
    Associated volumes
    Call number: 96.0578
    In: SPIE milestone series
    Pages: xiv, 641 S.
    ISBN: 0819402400
    Series Statement: SPIE milestone series v. MS 7
    Classification:
    C.3.5.
    Language: English
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  • 36
    Monograph available for loan
    Monograph available for loan
    Boston : Beacon Press
    Call number: IASS 16.90473
    Type of Medium: Monograph available for loan
    Pages: XLII, 465 S. , graph. Darst.
    ISBN: 0807015067 (hbk) , 0807015075 (pbk) , 9780807015070 (pbk)
    Series Statement: The theory of communicative action Vol. 1
    Uniform Title: Handlungsrationalität und gesellschaftliche Rationalisierung 〈engl.〉
    Language: English
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  • 37
    Call number: PIK N 453-26-90149
    Description / Table of Contents: Ohne Kurzreferat
    Type of Medium: Monograph available for loan
    Pages: XVIII, 253 Seiten , graph. Darst., Kt , 1 eingeheftete Beil., 19 Tafeln im Schuber
    Edition: 1st ed
    ISBN: 0080209254 (hbk) , 008020919X (pbk)
    Series Statement: Pergamon marine series 3
    Language: English
    Location: A 18 - must be ordered
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  • 38
    Call number: ZSP-708-4
    In: SCAR report, No. 4
    Type of Medium: Series available for loan
    Pages: 15 S.
    Series Statement: SCAR report 4
    Language: English
    Note: Enth. auch: SCAR Working Group on Geology : meeting at Cambridge, UK, 30 August 1987. - SCAR Working Groups on Geology and Solid Earth Geophysics : joint meeting at Cambridge, UK, 31 August 1987. - SCAR Working Group on Solid Earth Geophysics : meeting at Cambridge, UK, 30 August 1987
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  • 39
    Monograph available for loan
    Monograph available for loan
    [London] : Natural Environment Research Council
    Call number: AWI P6-19-92115
    Type of Medium: Monograph available for loan
    Pages: 27 Seiten , Illustrationen
    ISBN: 0-85665-1354 , 0-85665-135-4
    Language: English
    Note: Contents: PART 1: INTRODUCTION AND BACKGROUND. - ANTARCTICA - THE REGION AND ITS GLOBAL IMPORTANCE. - ANTARCTICA - THE SCIENTIFIC OPPORTUNITY AND CHALLENGE. - ANTARCTICA - THE INTERNATIONAL CONTEXT. - ANTARCTICA - ITS SCIENCE AS A NATIONAL RESOURCE. - ANTARCTICA - SOME IMPORTANT BENEFITS FROM RESEARCH. - PART 2: STRATEGY FOR BAS SCIENCE. - INTRODUCTION. - SCIENCE THEMES. - Pattern and Change in the Physical Environment of Antarctica. - Atmospheric Dynamics in the Antarctic. - Ice and Atmosphere Chemistry. - Dynamics of the West Antarctic Ice Sheet. - Evolution of Late Mesozoic and Cenozoic Palaeoenvironments. - Southern Ocean Palaeo-Oceanography and Palaeoclimate. - Geological Evolution of West Antarctica. - West Antarctic Crustal Development and Plate Tectonic Evolution. - Subduction-related Processes. - Dynamics of Antarctic Terrestrial and Freshwater Ecosystems. - Survival Strategies. - Ecosystems and Conservation. - Structure and Dynamics of the Southern Ocean Ecosystem. - Pelagic Ecosystem Studies. - Higher Predators. - Ecological and Physiological Adaptations. - Physics of Solar Terrestrial Phenomena from Antarctica. - Radio Wave Generation and Propagation. - Energy Flow and Dissipation within Geospace. - Humans In Isolated Polar Communities. - Antarctic Geographic Information and Mapping. - LOGISTICS REQUIREMENTS. - TIMEFRAME OF ACTIVITIES. - PART 3: STRATEGY FOR NERC SCIENCE PROGRAMMES OTHER THAN BAS. - INTRODUCTION. - NERC STRATEGY FOR THE ENVIRONMENTAL SCIENCES. - Earth Sciences. - Marine Sciences. - Terrestrial and Freshwater Sciences. - Atmospheric Sciences. - THE ROLE OF THE UNIVERSITIES AND POLYTECHNICS AND THE ANTARCTIC SPECIAL TOPIC. - LOGISTICS. - PRIVATE SECTOR/INDUSTRIAL COLLABORATION. - PART 4: CONCLUSION.
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  • 40
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    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-80/25
    In: CRREL Report, 80-25
    Description / Table of Contents: Two new types of load cells for attachment to bridge piers and direct measurement of ice forces were developed and tested with one type being installed on a pier of the Yukon River Bridge northwest of Fairbanks, Alaska. Both types of load cells used beams supported by base plates and carried nose plates that were loaded by the ice. The loads were imposed at the beams at locations differing from the support reactions so that the loads developed moments in the beams. By instrumenting them with strain gauges, the loads could be measured. Details of the design of the load cells, the means of calculating the loads and experience obtained with load cells are discussed.
    Type of Medium: Series available for loan
    Pages: iii, 17 Seiten , Illustrationen
    Series Statement: CRREL Report 80-25
    Language: English
    Note: CONTENTS Preface Conversion factors Introduction Estimates and field measurements of ice forces on structures General Indirect estimates Direct measurements Small-scale and laboratory studies Instrumentation plan for measuring ice loads on the Yukon River Bridge Load cell development The single reaction beam system Performance of a single reaction beam load cell The double reation beam load cell Reaction beam design Stress in the beam Deflection Axial tensile stress in the reaction beam Measurement techniques Conclusions Literature cited Appendix A. Finding load magnitude and location with a single reaction beam device Appendix B. Finding load magnitude and location on a double reaction beam device
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  • 41
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-80/24
    In: CRREL Report, 80-24
    Description / Table of Contents: The fluid shear stress applied to the underside of a simulated floating ice cover was measured in a laboratory flume. The measured values were compared with values of the shear stress computed from the von Karman-Prandtl velocity distribution fitted to the velocity profiles measured beneath the cover. For the lower velocity runs (approx 0.079 m/s) the measured and computed values of the shear stress were in close agreement. At the high velocity flows (approx 0.137 m/s) the measured values were roughly one-half those calculated from the velocity distribution. As the underside of the cover became increasingly rougher, the position of maximum velocity moved closer to the bottom of the channel. It was shown that the Darcy friction coefficient is exponentially related to a normalized ice cover thickness, which suggests that it is measure of the roughness of a fragmented ice cover.
    Type of Medium: Series available for loan
    Pages: iv, 11 Seiten , Illustrationen
    Series Statement: CRREL Report 80-24
    Language: English
    Note: CONTENTS Abstract Preface List of symbols Introduction Experimental apparatus Experimental procedures Analysis of forces Experimental results Analysis of data Conclusions Literature cited
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  • 42
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-80/23
    In: CRREL Report, 80-23
    Description / Table of Contents: The contribution of brine layers to observed reflective anisotropy of sea ice at 100 MHz is quantitatively assessed. The sea ice is considered to be a stratified, inhomogeneous, anisotropic dielectric consisting of pure ice containing ordered arrays of conducting inclusions (brine layers). Below the transition zone, the ice is assumed to have constant azimuthal c-axis orientation within the horizontal plane, so that the orientation of brine layers is uniform. The brine layers are also assumed to become increasingly well-defined with depth, since adjacent brine inclusions tend to fuse together with increasing temperature. A theoretical explanation for observed reflective anisotropy is proposed in terms of an isotropic electric flux penetration into the brine layers. Penetration anisotropy and brine layer geometry are linked to anisotropy in the complex dielectric constant of sea ice. In order to illustrate the above effects we present a numerical method of approximating the reflected power of a plane wave pulse incident on a slab of sea ice. Mixture dielectric constants are calculated for two polarizations of the incident wave: 1) the electric field parallel to the c-axis direction, and 2) the electric field perpendicular to the c-axis direction. These dielectric constants are then used to calculate power reflection coefficients for the two polarizations. Significant bottom reflection (R ~ 0.08) occurs when the polariza-tion is parallel to the c-axis. However, when the polarization is perpendicular to the c-axis, the return may be almost completely extinguished (R 〈 0.001). This extinction is due primarily to absorptive loss associated with the conduct-ing inclusions and secondarily to an impedance match at the ice/water interface that results in transmission of the wave to the water without reflection.
    Type of Medium: Series available for loan
    Pages: vi, 15 Seiten , Illustrationen
    Series Statement: CRREL Report 80-23
    Language: English
    Note: CONTENTS Abstract Preface List of symbols Introduction Anisotropy and sea ice macrostructure Anisotropy and sea ice microstructure A theory of anisotropic radar return from sea ice Anisotropic electric flux penetration into brine layers Implications of normal exclusion, tangential penetration, and brine layer geometry for dielectric behavior of sea ice Modeling of electromagnetic reflection from a stratified, anisotropic, inhomogeneous lossy medium Calculation of mixture complex dielectric constants Calculation of interfacial power reflection coefficients Calculation of bulk power reflection coefficients Calculation of attenuated power reflection coefficients Beam spread Results Anisotropic bottom reflections Anisotropic complex dielectric constants Sensitivity of parameters Internal reflection: the bumps Discussion Conclusions Literature cited
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  • 43
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-80/18
    In: CRREL Report, 80-18
    Description / Table of Contents: The use of ice as a structural material is common practice for certain applications in cold regions. Techniques such as surface flooding or water spraying are used to accelerate ice growth rates, thereby lengthening the winter construction season. This report examines the heat and mass transfer rates from freely falling water drops in cold air. Design equations which predict the amount of supercooling of the drops as a function of outdoor ambient temperature, drop size and distance of fall are given
    Type of Medium: Series available for loan
    Pages: v, 14 Seiten , Illustrationen
    Series Statement: CRREL Report 80-18
    Language: English
    Note: CONTENTS Abstract Preface Nomenclature Introduction Velocity problem Heat and mass transfer problem - A single drop Heat and mass transfer - A system of drops Literature cited Appendix A: FORTRAN IV program to calculate final drop temperature, air temperatureand humidity
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  • 44
    Call number: ZSP-201-80/19
    In: CRREL Report, 80-19
    Description / Table of Contents: During the period 1975-1978 the Federal Highway Administration sponsored a series of environmental engineering in­vestigations along the Yukon River to Prudhoe Bay Haul Road. In 1976 the Department of Energy joined these in­vestigations with a series of ecological projects which continue to the present. Both agencies research efforts were con­ducted on a cooperative basis with CRREL’s in-house research program. The objectives of the research focused on 1) an evaluation of the performance of the road, 2) an assessment of changes in the environment associated with the road, 3) documentation of flora and vegetation along the 577-km-long transect, 4) methodologies for revegetation and restoration, and 5) an assessment of biological parameters as indicators of environmental integrity. In support of these objectives, specific studies were undertaken that investigated the climate along the road, thaw and subsidence beneath and adjacent to the road, drainage and side slope performance, distribution and properties of road dust, vegetation distribution, vegetation disturbance and recovery, occurrence of weeds and weedy species, erosion and its control, revegetation and restoration, and construction of the fuel gas line. This report presents background, information on the region, detailed results of the road thaw subsidence and dust investigations, and summaries of revegetation, fuel gas line, vegetation distribution, soil, and weed studies.
    Type of Medium: Series available for loan
    Pages: xv, 187 Seiten , Illustrationen
    Series Statement: CRREL Report 80-19
    Language: English
    Note: CONTENTS Abstract Preface Summary Introduction Chapter 1. The road and its environment Introduction General physiography Regional climate Surficial and bedrock geology Permafrost and ground ice General biota Vegetation Floristic survey Vegetation mapping Soils and mapping Chapter 2. Roadbed performance and associated investigations Roadbed investigations Roadbed performance Performance of drainage features Performance of sideslopes Conclusions from road, drainage and sideslope performance studies Fuel gas line construction Chapter 3. Distribution and properties of road dust along the northern portion of the Haul Road Introduction Methods Results of wind direction and velocity measurements Dust load and distribution Particle size analyses of dust Chemical composition properties of dust and related samples Soil cation composition Dust impacts on vegetation Discussion and conclusions Chapter 4. Revegetation and restoration investigations Introduction Revegetation approaches Alyeska erosion control and revegetation program Weeds and weedy plants Performance of revegetation Alyeska willow cutting program CRREL restoration experiments Conclusions Revegetation recommendations General report recommendations Literature cited Appendix A: General environmental guidelines applicable to subarctic and arctic road construction Appendix B: University-based studies along the Yukon River-Prudhoe Bay Haul Road Appendix C: CRREL maps of Haul Road showing locations of all study Sites Appendix D: Additional Haul Road cross-sectional profiles Appendix E: Clay mineralogy of road-related materials Appendix F: List of reports in the Joint State/Federal Fish and Wildlife Ad­visory Team series
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  • 45
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-80/15
    In: CRREL Report, 80-15
    Description / Table of Contents: This report discusses the time constraints on measuring the thermal resistance (R-value) of building components. Temperature changes on either side of a building component perturb measurement accuracy. Long measurement times and measurement times corresponding to a consistent diurnal cycle can be satisfactory; however, individual temperature changes cause significant error for shorter measurement periods. This report shows how to scale the thermal properties of individual constituent materials in a building element to determine its characteristic thermal time constant. The report then demonstrates the size of measurement error resulting from a variety of changes in temperature with representative walls of different time constants.
    Type of Medium: Series available for loan
    Pages: iii, 30 Seiten , Illustrationen
    Series Statement: CRREL Report 80-15
    Language: English
    Note: CONTENTS Abstract Preface Conversion factors Introduction Field measurement and analysis of transient heat flow A closer look at handling the constraints Random change Step change Ramp change Application of theory Literature cited Appendix A. Percentage error from a step input Appendix B. Time constraints of sample walls Appendix C. Percentage error from a ramp input Appendix D. Percentage error from a sinusoidal input Appendix E. Percentage error programs for a Hewlett-Packard HP-25 calculator Appendix F. Experimental determination of time constants Appendix G. Derivation of time constant formula for multiple layers
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  • 46
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-80/11
    In: CRREL Report, 80-11
    Description / Table of Contents: Four types of roof leaks occurred at a new school building in Chevak, Alaska: 1) blowing snow entered the roof through eave vents and then melted, 2) slush and ice in roof valleys caused meltwater to overflow the valley flash­ing and run into the building, 3) water entered at a roof/wall intersection and 4) in many areas water entered through gaps in the sloping plywood deck. Sealing the eave vents made it impossible for blowing snow to enter the roof at the eaves. Electric heat tapes eliminated the valley icing problem. Missing flashing was responsible for the roof/wall intersection leaks. The absence of a vapor barrier in the roof was the cause of many leaks. We recom­mended that the roof be repaired from the exterior by removing component elements down to the plywood deck,installing an adhered continuous vapor barrier and reassembling the roof. An alternative roof cladding of compos­ition shingles was discussed as was conversion to a “cold roof.” The roof was repaired and modified following our recommendations, and problems appear to have been solved.
    Type of Medium: Series available for loan
    Pages: iv, 12 Seiten , Illustrationen
    Series Statement: CRREL Report 80-11
    Language: English
    Note: CONTENTS Abstract Preface Conversion factors Introduction Description of school Roof problems Snow infiltration leaks Valley leaks Intersection leaks Condensation leaks Tests to verify the cause of condensation leaks Eliminating the condensation leaks Recommendations for eliminating condensation leaks Repairing existing roof An alternative roof cladding The "cold roof" alternative Repairs and modifications Summary and conclusions
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  • 47
    Call number: MOP 47509 / Mitte
    Type of Medium: Monograph available for loan
    Pages: X, 171 Seiten , Illustrationen
    Language: English
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  • 48
    Call number: MOP 46293/A / Mitte
    In: United States Antarctic Research Report to SCAR, No. 26
    Type of Medium: Series available for loan
    Series Statement: United States Antarctic Research Report to SCAR 26
    Language: English
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  • 49
    Call number: MOP 46292/B / Mitte
    In: United Kingdom Antarctic research report, 1984
    Type of Medium: Series available for loan
    Series Statement: United Kingdom Antarctic research report 1984
    Language: English
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  • 50
    Monograph available for loan
    Monograph available for loan
    Englewood Cliffs, N.J. : Prentice-Hall
    Associated volumes
    Call number: M 96.0537/3 ; 15/13860/3
    In: Proceedings
    Type of Medium: Monograph available for loan
    Pages: xii, 1101 S.
    ISBN: 0132463806
    Classification:
    B.5.
    Language: English
    Location: Upper compact magazine
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  • 51
    Call number: M 96.0537/7 ; 15/13860/7
    In: Proceedings
    Type of Medium: Monograph available for loan
    Pages: xii, 956 S.
    ISBN: 0132464225
    Classification:
    B.5.
    Language: English
    Location: Upper compact magazine
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  • 52
    Monograph available for loan
    Monograph available for loan
    Englewood Cliffs, N.J. : Prentice-Hall
    Associated volumes
    Call number: M 96.0538 ; 15/13860
    In: Proceedings
    Type of Medium: Monograph available for loan
    Pages: x, 216 S.
    ISBN: 0137229011
    Classification:
    B.5.
    Language: English
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  • 53
    Monograph available for loan
    Monograph available for loan
    New York : Dover
    Call number: M 15.89101
    Type of Medium: Monograph available for loan
    Pages: XVIII, 381 S
    Edition: Repr
    ISBN: 0486661326
    Language: English
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  • 54
    Monograph available for loan
    Monograph available for loan
    Cambridge : Cambridge University Press
    Call number: M 15.89100
    Description / Table of Contents: This 1980 monograph develops from first principles the description of finite deformations of solids under stress and the forces acting, and also the expression of internal forces in terms of stress tensors. The important feature of the book is that elastic properties are discussed and developed consistently from classical thermodynamics. In other books, this point of view is acknowledged only by assuming the existence of an elastic energy function, thus restricting their range mainly to the problem of the spatial distribution of stresses and strains. Topics discussed as applications of the theory include thermal expansion, specific heats, stiffness and complicances, the effects of symmetry on thermodynamic properties, diffusion in a stressed solid, equilibrium in contact with a solution of the solid, phase stability, solid state phase transitions and twinning.
    Type of Medium: Monograph available for loan
    Pages: xvii, 338 S. , graph. Darst.
    ISBN: 0-521-21237-5
    Series Statement: Cambridge monographs on physics
    Language: English
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  • 55
    Monograph available for loan
    Monograph available for loan
    Garmisch-Partenkirchen : Institut für atmosphärische Umweltforschung der Fraunhofer- Gesellschaft
    Call number: MOP 44829 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 25 S. , graph. Darst.
    Language: English
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  • 56
    Call number: ILP/M 06.0331
    In: Publication of the International Lithosphere Programme
    Type of Medium: Monograph available for loan
    Pages: 534 S. : graph. Darst. + 1 Kt.
    Series Statement: [Publication of the International Lithosphere Programme] 80
    Language: English
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  • 57
    Monograph available for loan
    Monograph available for loan
    Englewood Cliffs, N.J. : Prentice-Hall
    Associated volumes
    Call number: M 96.0537/4 ; 15/13860/4
    In: Proceedings
    Type of Medium: Monograph available for loan
    Pages: xi, 914 S.
    ISBN: 0132463989
    Classification:
    B.5.
    Language: English
    Location: Upper compact magazine
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  • 58
    Monograph available for loan
    Monograph available for loan
    Englewood Cliffs, N.J. : Prentice-Hall
    Associated volumes
    Call number: M 96.0537/6 ; 15/13860/6
    In: Proceedings
    Type of Medium: Monograph available for loan
    Pages: xii, 1002 S.
    ISBN: 0132464144
    Classification:
    B.5.
    Language: English
    Location: Upper compact magazine
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  • 59
    Monograph available for loan
    Monograph available for loan
    Minneapolis : University of Minnesota Press
    Call number: PIK N 630-15-89173
    Description / Table of Contents: A field guide to the wild flowers of western Canada and the adjoining Great Plains states of the United States, including illustrations of nearly 400 species.
    Type of Medium: Monograph available for loan
    Pages: 336 S. , zahlr. Ill.
    Edition: 2nd, rev. ed., 2. print.
    ISBN: 0816613508 : , 0816613516 (pbk.) :
    Language: English
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  • 60
    Call number: MOP 46265 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 55 S.
    Language: English
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  • 61
    Monograph available for loan
    Monograph available for loan
    Stuttgart : Schweizerbart Science Publishers ; Volume 1, number 1 (1978)-
    Call number: M 18.91571
    Type of Medium: Monograph available for loan
    Pages: 134 Seiten
    ISSN: 2363-7196
    Series Statement: Global tectonics and metallogeny : special issue Vol. 10/2-4
    Classification:
    Tectonics
    Parallel Title: Erscheint auch als Global tectonics and metallogeny
    Language: English
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  • 62
    Monograph available for loan
    Monograph available for loan
    Amsterdam [u.a.] : Elsevier Scientific Publ.
    Associated volumes
    Call number: AWI Bio-99-0079-2
    In: The Northwest European Pollen Flora, II
    Type of Medium: Monograph available for loan
    Pages: V, 265 S. , zahlr. Ill.
    ISBN: 0444418806
    Language: English
    Note: CONTENTS: Preface / G. C. S. Clarke and W. Punt. - 8. Solanaceae / W. Punt and M. Monna-Brands. - 9. Saxifragaceae / A. A. M. L. Verbeek-Reuvers. - 10. Boraginaceae / G. C. S. Clarke. - 11. Escalloniaceae / A. A. M. L. Verbeek-Reuvers. - 12. Grossulariaceae / A.A.M.L. Verbeek-Reuvers. - 13. Hydrangeaceae / A. A. M. L. Verbeek-Reuvers. - 14. Parnassiaceae / A. A. M. L. Verbeek-Reuvers. - 15. Plantaginaceae / G. C. S. Clarke and M. R.Jones. - 16. Valerianaceae / G. C. S. Clarke and M. R. Jones. - 17. Aceraceae / G. C. S. Clarke and M. R. Jones. - 18. Hippuridaceae / M. S. Engel. - 19. Haloragaceae / M. S. Engel. - 20. Papaveraceae / A. J. Kalis. - Index. - Errata.
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  • 63
    Call number: ZSP-SCAR-570-11
    In: National Antarctic Research Report to SCAR, No. 11
    Type of Medium: Series available for loan
    Pages: 55 Seiten , Illustrationen
    ISSN: 0179-0072
    Series Statement: National Antarctic Research Report to SCAR 11
    Language: English
    Note: CONTENTS: I. National Committee for Antarctic Research, and National Operating Organization/Agency. - II. Map of Stations. - Ill. Permanent Observatories, Regular Observations and Long-term Monitoring. - IV. Report on Highlights of Science Activities from Previous Reporting Period (1 Oct. 88 - 31 March 89). - A. Biology. - B. Geodesy & Geographic Information. - C. Geology. - D. Solid Earth Geophysics. - E. Glaciology. - F. Human Biology & Medicine. - G Atmospheric Sciences. - H. Logistics. - I. Ocean Physical Sciences. - V. List of Permits and Rationale for Entry into SPAs and SSSIs. - VI. Prospectus of Planned Activities for Coming Reporting Period (1 April 89 - 31 March 90). - A. Biology. - B. Geodesy & Geographic Information. - C. Geology. - D. Solid Earth Geophysics. - E. Glaciology. - F. Human Biology & Medicine. - G. Atmospheric Sciences. - H. Logistics. - I. Ocean Physical Sciences. - VII. Future Activities Planned & Funded (beyond 31 March 90). - VIII. Bibliography. - IX. List of Principal Investigators and Responsible Authorities. - X. Summary Listing of Projects.
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  • 64
    Call number: ZSP-SCAR-570-6
    In: Antarctic Research Report to SCAR, No. 6
    Type of Medium: Series available for loan
    Pages: 38 Seiten
    ISSN: 0179-0072
    Series Statement: National Antarctic Research Report to SCAR 6
    Language: English
    Note: Contents: Membership of the National Committee on Antarctic Research in the Federal Republic of Germany. - Introduction. - Stations. - I. Record of Activities (past and ongoing), April 83-October 84. - II. Planned Activities, October 84-October 85. - References.
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  • 65
    Call number: ZSP-SCAR-570-2
    In: Report to SCAR on Antarctic research activities of Germany (FRG), 2
    Type of Medium: Series available for loan
    Pages: 16 Seiten
    ISSN: 0179-0072
    Series Statement: Report to SCAR on Antarctic research activities of Germany (FRG) 2
    Language: English
    Note: Contents: Membership of the National Committee on Antarctic Research of the Federal Republic of Germany. - Introduction. - Station. - Antarctic Research Activities 1979-1980. - Planned Research Activities 1980-1981. - References.
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  • 66
    Call number: AWI P2-90-0247
    Type of Medium: Monograph available for loan
    Pages: ca. 200 ungezählte Seiten , Illustrationen
    Language: English
    Note: TABLE OF CONTENTS. PART ONE: HISTORY AND DEVELOPMENTS OF ANTARCTIC COMMUNICATIONS. - CONSIDERATION OF TELECOMMUNICATIONS BY SCAR AND ANTARCTIC TREATY CONSULTATIVE PARTIES. - ANTARCTIC TREATY RESOLUTIONS ON ANTARCTIC COMMUNICATIONS. - WMO RESOLUTIONS AND PRINCIPLES ON ANTARCTIC COMMUNICATIONS. - 1. Introduction. - 2. Engineering principles of the GTS. - 3. Functions and responsibilities of Meteorological Telecommunications Centres. - 4. Characteristics of the networks of the GTS. - 5. Operational principles of the GTS. - 6. The transmission of meteorological data on the GTS. - 7. Collection and transmission of meteorological data. - 8. Data processing. - 9. Telecommunications system. - 10. Weather reporting by traverse parties. - 11. Automatic weather stations in the Antarctic. - 12. AIREP reports. - 13. Mobile ship stations. - OTHER RELEVANT RECOMMENDATIONS AND RESOLUTIONS. - APPENDICES. - APPENDIX I. - Manual on the Global Data Processing System. - Vol. II - regional aspects, the Antarctic. - Data-processing and meteorological service activities in the Antarctic. - APPENDIX II. - Stations and observational programs comprising the Basic Synoptic Network in the Antarctic. - APPENDIX III. - Network of CLIMA T and CLIMAT TEMP reporting stations in the Antarctic. - APPENDIX IV. - Summary information of the collection of meteorological observational data by individual centres. - APPENDIX V. - Manual on the Global Telecommunications System. - Vol. II - regional aspects, the Antarctic. - Antarctic data telecommunications arrangements. - , TABLE OF CONTENTS. PART TWO: INTRODUCTION TO PART TWO. - RADIO PROCEDURES IN ANTARCTICA. - Introduction. - Distress and emergency procedures. - Control of circuits. - Traffic procedures. - USES OF CODES AND ABBREVIATIONS. - General. - Radio telegraphy. - Radio telephony. - Signal reporting codes. - Unofficial codes. - RADIO TELEPHONE OPERATIONS. - RADIO TELEPRINTER (RTTY) PROCEDURE. - General. - Preparation of teleprinter tapes. - General message format. - METEOROLOGICAL MESSAGES. - Introduction. - Format of meteorological messages. - Addressed messages. - Additional procedures. - Types of meteorological data messages. - List of stations carrying out meteorological observations. - Radio facsimile broadcasts of meteorological analyses charts. - Radio Teletype broadcasts of coded meteorological data. - ANTARCTIC STATIONS FITTED WITH INMARSAT FACILITIES. - EXCHANGE INFORMATION ON ANTARCTIC TELECOMMUNICATIONS. - EQUIPMENT AND SCHEDULES.
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  • 67
    Call number: MOP Per 601(8)
    In: Tegniese verhandeling / Republiek van Suid-Afrika, Weerburo, Department van Vervoer
    Type of Medium: Series available for loan
    Pages: 31 Seiten
    Series Statement: Technical Paper 8
    Language: English
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  • 68
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-84/4
    In: CRREL Report, 84-4
    Description / Table of Contents: Ice problems developed in the Sault Ste. Marie, Michigan, portion of the St. Marys River because of winter navigation. Passing ships and natural influences moved ice from Soo Harbor into Little Rapids Cut in sufficient quantities to jam, cause high water in the harbor, and prevent further ship passage. After physical model and engineering studies, two ice booms with a total span of 1375 ft (419 m) with a 250-ft (76-m) navigation opening between were installed at the head of Little Rapids Cut in 1975. A modest field study program on the booms was conducted for the ensuring four winters to determine ice and boom interaction and the effects of ship passages on the system. Forces on some anchors were recorded and supplemental data were taken by local personnel. Several reports have been written about the booms' early operations. This paper presents four-year summary of the main effects of the booms on ice and ship interaction and vice versa. Throughout the four winter seasons, the small quantities of ice lost over and between the booms were manageable. Ships usually passed through the boom without influencing the boom force levels, but at time they brought about large changes. One boom needed strengthening, and artificial islands were added for upstream ice stability. Coast Guard icebreakers were also a necessary part of winter navigation in this area.
    Type of Medium: Series available for loan
    Pages: iv, 18 Seiten , Illustrationen
    Series Statement: CRREL Report 84-4
    Language: English
    Note: CONTENTS Abstract Preface Introduction St. Marys River Ice problems Remedial measures Field studies Highlights, trends, and major findings Modifications to boom Maximum forces Ship traffic Characteristics Effect of boom forces Effect on ice Conclusion Literature cited Appendix A: Ice boom forces
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  • 69
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-84/5
    In: CRREL Report, 84-5
    Description / Table of Contents: Diatom species composition and relative abundances were determined for ice cores obtained from Weddell Sea pack ice during the October-November 1981 Weddell Polynya Expedition (WEPOLEX). Ice thickness and salinity indicate that the ice was less than one year old. The predominant ice type (70%) was frazil, which has the capacity to mechanically incorporate biological material through nucleation and scavenging. Diatoms were found throughout the length of the cores. Species showed down-core fluctuations in abundance that appeared to be correlated with changes in ice type. Pennate forms were more abundant than centrics, the average ratio being 16:1. Diatom frustules with intact organic material were more abundant (5 billion cells/liter). Differences in species abundances are attributed initially to incorporation of algal cells from a temporally changing water column and subsequently to diatom reproduction within the ice. Scanning electron micrographs illustrating the morphologic characteristics of the predominant species are included.
    Type of Medium: Series available for loan
    Pages: iv, 46 Seiten , Illustrationen
    Series Statement: CRREL Report 84-5
    Language: English
    Note: Contents Abstract Preface Introduction Materials and methods Results Discussion Conclusions Literature cited Appendix A: Taxonomic terms Appendix B: Differences in species composition and abundance in duplicate samples examined under optical and inverted light microscopes Appendix C: Morphologic descriptions and SEM micrographs
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  • 70
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-84/19
    In: CRREL Report, 84-19
    Description / Table of Contents: In this study a method for making long-range forecasts of freeze-up dates in rivers is developed. The method requires the initial water temperature at an upstream station, the long-range air temperature forecast, the predicted mean flow velocity in the river reach, and water temperature response parameters. The water temperature response parameters can be either estimated from the surface heat exchange coefficient and the average flow depth or determined empirically from recorded air and water temperature data. The method is applied to the St. Lawrence River between Kingston, Ontario, and Massena, New York, and is shown to be capable of accurately forecasting freeze-up. Originator-supplied keywords include: Ice formation, and River ice.
    Type of Medium: Series available for loan
    Pages: iii, 22 Seiten , Illustrationen
    Series Statement: CRREL Report 84-19
    Language: English
    Note: CONTENTS Abstract Preface Introduction Problem formulation Analytical treatment Application to the upper St. Lawrence River Summary Literature cited Appendix A: Basic program for St. Lawrence River freeze-up forecast
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  • 71
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-84/8
    In: CRREL Report, 84-8
    Description / Table of Contents: This report describes the equipment and procedures that were used for acquiring, preparing and testing samples of multi-year sea ice. Techniques and procedures are discussed for testing ice samples in compression and tension at constant strain rates and constant loads, as well as in a conventional triaxial cell. A detailed account is given of the application and measurement of forces and dispiacements on the ice test specimens under these different loading conditions.
    Type of Medium: Series available for loan
    Pages: iv, 43 Seiten , Illustrationen
    Series Statement: CRREL Report 84-8
    Language: English
    Note: CONTENTS Abstract Preface Introduction Test material and test specimens Test material Required dimensions for test specimens Acquisition and preparation of specimens Field core sampling Specimen preparation in the laboratory Application of forces and displacements to uniaxial specimens Compression Tension Squareness imperfections Loading devices Universal testing machine Gas actuator for constant load Weight-and-pulley system for constant tension Equipment for triaxial tests Measurement of force and displacement Force Displacement Readouts and recorders Literature cited Appendix A: Phenolic-resin end caps Appendix B: Compliant platens Appendix C: Theoretical factor for converting overall strain to gauge-length strain indumbbell specimens Appci dix D: Items developed but not used in Phase I Appendix E: Use of the Brazil test
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  • 72
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-84/7
    In: CRREL Report, 84-7
    Description / Table of Contents: Experiments were conducted in CRREL's refrigerated flume facility to examine the two-dimensional force distribution of a floating, fragmented ice cover restrained by a boom in a simulated river channel. To determine the force distribution, a vertically walled channel, instrumented for measuring normal and tangential forces, and an instrumented restraining boom were installed in a 40.0- by 1.3-m flume. Two sizes of polyethylene blocks and two similar sizes of fresh-water ice blocks were tested using water velocities ranging from 10 to 30 cm/s. The forces measured at the instrumented boom leveled off with increasing cover length. The contribution of the increasing shear forces developed along theshorelines to this leveling off in the data was clearly evident. The shear coefficients of the polyethylene blocks averaged 0.43, and the freshwater ice averaged 0.044. The normal force measured along the instrumented shoreline could not be related simply by a K coefficient to the longitudinal force; another expression was required, with a term being a function of the cover thickness and independent of the undercover shear stress or cover length. By adding this term, good agreement was then found between the measured and predicted values of the boom forces and the shoreline normal and shear forces
    Type of Medium: Series available for loan
    Pages: iv, 22 Seiten , Illustrationen
    Series Statement: CRREL Report 84-7
    Language: English
    Note: CONTENTS Abstract Preface Introduction Experiments Test flume facility Experimental apparatus Experimental procedure Results Plastic versus freshwater ice Shoreline forces Boom forces Average shear stress under ice cover Internal forces Discussion Data scatter Summary and conclusions Literature cited Appendix A: Experimental results
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  • 73
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-89/14
    In: CRREL Report, 89-14
    Description / Table of Contents: The effects of runner material and surface conditions on the friction between runners and ice were studied. A model sled was pushed over a 6-m-long ice sheet and the reduction of speed of the sliding sled was measured. The friction calculated by the reduction of speed between two gates indicated that smooth runners showed lower friction at around -1°C than at around -10°C, as expected, but the friction of rough runners showed little temperature dependence. The lower thermally conductive runners showed lower friction than higher thermally conductive smooth runners as the theory predicted, but such effects were obscured on rougher runners.
    Type of Medium: Series available for loan
    Pages: iii, 23 Seiten , Illustrationen
    Series Statement: CRREL Report 89-14
    Language: English
    Note: CONTENTS Preface Introduction Apparatus and procedures General approach Sled design Sled propulsion Ice sheet preparation Experimental procedure Results General remarks Effect of runner temperature Effect of runner surface Effect of ice surface conditions Effect of velocity Effect of runner materials Observations of replicate surfaces Statistical analysis Discussion Molecular interactions Mechanical deformations Thermal energy dissipation Hydrodynamidc processes Comparison of energy loss mechanisms Summary and conclusions Literature cited
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  • 74
    Call number: ZSP-201-89/10
    In: CRREL Report, 89-10
    Description / Table of Contents: In early fall 1984, a questionnaire was sent to over 325 general aviation airports in cold regions. The results from over 200 responses were compiled and evaluated and over 20 airport managers were contacted for additional details. Site visits were made to 36 airports to obtain additional information. The most common pavement problems identified in the study were associated with non-traffic-related phenomena and include 1) pre-existing cracks reflecting through asphalt concrete overlays (in two years less), 2) thermal cracking, and 3) longitudinal cracking (at a construction joint). Most of the airports experienced 1) water pumping up through cracks and joints in the pavements during spring thaw, or 2) additional roughness due to differential frost heave in the winter, or both problems. Many airport managers reported that debris was generated at cracks during the winter and spring. Many pavement problems can be traced to the evolutionary history of general aviation airports and the lack of consideration for site drainage. Based on the recognition of these problems, several future research programs are identified.
    Type of Medium: Series available for loan
    Pages: v, 147 Seiten , Illustrationen
    Series Statement: CRREL Report 89-10
    Language: English
    Note: CONTENTS Abstract Preface Introduction Statement of the problem Purpose and scope Background - the physical environment and airport pavements Physical environment of study area Comparison of highway and general aviation airport pavements Types of pavements and surface treatments Pavement distress and condition rating Surveys of airport pavement distress Airport pavement performance problems in cold regions Cracking Distortion and pavement faulting Disintegration Inadequate skid resistance Improper maintenance Stripping Statement of research needs Basis for statement of research needs Performance of overlays Recycling/reconstructing airport pavements Drainage of airport pavement structures Eliminating/accommodating differential frost heave Evaluation of adequacy of design procedures Maintenance products and performance Control of transverse cracking Additives for asphalt concrete Performance documentation Wildlife conservation vs aircraft safety Literature cited Appendix A: Questionnaire and listing of airports contacted Appendix B: Summary listing of questionnaire responses Appendix C: Narrative summary of site visits
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  • 75
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-89/25
    In: CRREL Report, 89-25
    Description / Table of Contents: This study provides a detailed chemical and structural profile of first-year and multiyear Arctic sea ice. Ice cores were collected during April- May 1986 and 1987 near Prudhoe Bay, Alaska. Concentrations of Cl, Br, SO4, Na, Ca, K, Mg, PO4, SiO4, NO3, NO2 and NH4 were determined for samples chosen on the basis of structural ice type. Chemical and statistical analyses indicate that finer-grained structures incorporate more impurities and that major ion chemistry is controlled almost entirely by salinity. Mg is enriched in the ice indicating precipitation is occurring at temperatures higher than previously reported. K is depleted in the ice suggesting preferrential drainage. Ratios of the major ions are the same for first-year and multiyear ice and are similar to that of seawater indicating that as the ice ages no significant changes occur in ice chemistry. Nutrient concentrations in the ice are enriched with respect to the underlying water, indicating that biological activity occurs in the ice and processes other than the overall salinity effect and brine drainage are affecting nutrient concentrations within the ice.
    Type of Medium: Series available for loan
    Pages: vi, 144 Seiten , Illustrationen
    Series Statement: CRREL Report 89-25
    Language: English
    Note: CONTENTS Abstract Preface Introduction Background Formation, growth, and structure of sea ice Oceanic frazil production Multiyear ice Equilibrium growth Summer ice decay Annual layering Salinity distribution in sea ice Chemistry of sea ice Study area description Objectives Methodology Sample collection Blanks Chemical analyses Thin sections Data reduction Results and discussion First-year ice Multiyear ice Comparison of first-year and multiyear ice Summary Conclusions Future work References Appendix A: Concentration of chemical species in sea ice as reported in the literature Appendix B: Ice and water data Appendix C: Linear regression data
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  • 76
    Call number: MOP 47453/1 / Mitte
    In: Veröffentlichungen des Zentralinstituts für Physik der Erde, 102
    Type of Medium: Monograph available for loan
    Pages: III, 396 Seiten , Illustrationen
    Series Statement: Veröffentlichungen des Zentralinstituts für Physik der Erde Nr. 102
    Language: English
    Location: MOP - must be ordered
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  • 77
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-89/21
    In: CRREL Report, 89-21
    Description / Table of Contents: The physical characteristics of blue ice ablation areas in Antarctica are described and some representative ablation rates are given. The possibilities for using blue-ice areas as airfields are outlined and exploratory surveys are mentioned. Site details are given for icefields at Mount Howe, Mill Glacier, Patriot Hills, Rosser Ridge, Mount Lechner, S1 near Casey station, and on the Ross Ice Shelf near McMurdo station. The surface roughness of blue ice is discussed, microrelief surveys are presented for Mount Howe and Patriot Hills, and spectral analyses are used to develop relations between bump height and wavelength. U.S. military specifications for the roughness limits of various types of runways are summarized and graphical comparisons are made with the roughness analyses for Mount Howe and Patriot Hills. Special machines for smoothing ice runways are discussed and design specifications are developed. Some notes on ground facilities and ground transport are included. Appendices give discussions of weather patterns in the Transantarctic Mountains and methodology for making spectral analyses of surface roughness. It is concluded that glacier-ice airfields for conventional transport aircraft can be developed at low cost in Antarctica. Recommendations for further work are offered.
    Type of Medium: Series available for loan
    Pages: v, 105 Seiten , Illustrationen
    Series Statement: CRREL Report 89-21
    Language: English
    Note: CONTENTS Abstract Preface Introduction Blue-ice areas Blue-ice areas as airfield sites The formation of blue-ice areas Ablation rates at blue-ice areas Exploratory surveys at blue-ice areas Mount Howe Mill Glacier / Plunket Point Patriot Hills Rosser Ridge Mount Lechner The S-1 site near Casey station The McMurdo "Pegasus Site" Surface roughness of blue ice Analysis and characterization of surface roughness Surface preparation to reduce ice roughness Ground facilities Ground transport Conclusions and recommendations Literature cited and selected references Appendix A: Survey data for Patriot Hills, Mount Howe and Mill Glacier Appendix B: Analysis of surface roughness at blue-ice sites Appendix C: Meteorological conditions to be expected in summer in the Trans-antarctic Mountains
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  • 78
    Monograph available for loan
    Monograph available for loan
    Washington, D.C. : American Geophysical Union
    Associated volumes
    Call number: 5/M 19.93185
    In: Geophysical monograph
    Type of Medium: Monograph available for loan
    Pages: vi, 154 Seiten , graphische Darstellungen
    Edition: Online edition Online-Ausg. [S.l.] : HathiTrust Digital Library
    ISBN: 0-87590-022-4
    Series Statement: Geophysical monograph 22
    Classification:
    Geomagnetism, Geoelectromagnetism
    Language: English
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  • 79
    Call number: MOP 45138 / Mitte
    Description / Table of Contents: Highest concentrations at ground level are often produced from surface sources with stable atmospheric conditions and near calm winds. This report describes a weighted data methodology developed to predict surface concentrations from stationary wind-tunnel measurements and actual meteorological wind fields. Field measurements made downwind of the Rancho Seco Nuclear Power Station in 1975 have been compared against a set of wind-tunnel measurements around a 1:500 scale model of the same facilities. The weighted data algorithm was realistic in both predicting centerline concentration values as well as the horizontal spread of the plume.
    Type of Medium: Monograph available for loan
    Pages: IX, 85 Seiten
    Series Statement: NUREG/CR 1474
    Language: English
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  • 80
    Monograph available for loan
    Monograph available for loan
    Boston, Massachusetts : American Meteorological Society
    Call number: MOP 46673 / Mitte
    Type of Medium: Monograph available for loan
    Pages: XIV, 276 Seiten
    Language: English
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  • 81
    Monograph available for loan
    Monograph available for loan
    Helsinki : Valtion Painatuskeskus
    Call number: MOP 47551/1 / Mitte
    Type of Medium: Monograph available for loan
    Pages: 520 Seiten
    Series Statement: Suomen Akatemian Julkaisuja / The Publications of the Academy of Finland 9/89
    Language: English
    Location: MOP - must be ordered
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  • 82
    Call number: MOP 47453/2 / Mitte
    In: Veröffentlichungen des Zentralinstituts für Physik der Erde, 102
    Type of Medium: Monograph available for loan
    Pages: 325 Seiten , Illustrationen
    Series Statement: Veröffentlichungen des Zentralinstituts für Physik der Erde Nr. 102
    Language: English
    Location: MOP - must be ordered
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  • 83
    Call number: MOP 46175 / Mitte
    Type of Medium: Monograph available for loan
    Language: English
    Location: MOP - must be ordered
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  • 84
  • 85
    Call number: MOP 45169 / Mitte
    Type of Medium: Monograph available for loan
    Language: English
    Location: MOP - must be ordered
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  • 86
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-80/8
    In: CRREL Report, 80-8
    Description / Table of Contents: This report presents the results of the tests on the new U.S. Coast Guard 140-ft icebreaker Katmai Bay (WTGB-101) in the level plate ice and brash ice in Whitefish Bay and the St. Marys River. The results indicate that the vessel can penetrate 22 in. of level freshwater ice with 2-3 in. of snow cover. It can also penetrate up to 48 in. of brash ice in a continuous mode and at least 30 in. of plate ice by backing and ramming. The installed bubbler system decreased the required power of the vessel from 10 to 30% in brash ice and 25 to 35% in level ice. The low friction coating appears to be effective in decreasing the friction factor when it remains intact; when it peels off it appears to make conditions worse than plain paint. An average dynamic friction factor of 0.15 could be used over the entire hull for these tests.
    Type of Medium: Series available for loan
    Pages: iv, 28 Seiten , Illustrationen
    Series Statement: CRREL Report 80-8
    Language: English
    Note: CONTENTS Abstract Preface Metric conversion table Introduction Roughness and friction measurements Level plate ice performance Brash ice performance Ramming icebreaking performance Analysis of the data Propulsion efficiency in ice Regression analysis Conclusions and recommendations Literature cited
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  • 87
    Call number: MOP 45384/5 / Mitte
    In: WMO TD / World Meteorological Organization, No. 1
    Type of Medium: Series available for loan
    Pages: ii, 52 Seiten , 29 cm
    Series Statement: WMO TD / World Meteorological Organization 1
    Language: English
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  • 88
    Call number: ZSP-201-80/10
    In: CRREL Report, 80-10
    Description / Table of Contents: A mathematical model of coupled heat and moisture flow in soils has been developed. The model includes algorithms for phase change of soil moisture and frost heave and permits several types of boundary and initial conditions. The finite element method of weighted residual (Galerkin procedure) was chosen to simulate the spatial regime and the Crank-Nicholson method was used for the time domain portion of the model. To facilitate evaluation of the model, the heat and moisture fluxes were essentially decoupled; moisture flux was then simulated accurately, as were heat flux and frost heave in a laboratory test. Comparison of the simulated and experimental data illustrates the importance of unsaturated hydraulic conductivity. It is one parameter which is difficult to measure and for which only a few laboratory test results are available. Therefore, unsaturated hydraulic conductivities calculated in the computer model may be a significant source of error in calculations of frost heave. The algorithm incorporating effects of surcharge and overburden was inconclusively evaluated. Time-dependent frost penetration and frost heave in laboratory specimens were closely simulated with the model. After 10 days of simulation, the computed frost heave was about 2.3 cm vs 2.0 cm and 2.8 cm in two tests. Frost penetration was computed as 15 cm and was measured at 12.0 cm and 12.2 cm in the two laboratory samples after 10 days.
    Type of Medium: Series available for loan
    Pages: v, 49 Seiten , Illustrationen
    Series Statement: CRREL Report 80-10
    Language: English
    Note: CONTENTS Abstract Preface Introduction One-dimensional equations of simultaneous heat and moisture flux Moisture transport Heat transport Phase change Coupling effects Frost heave algorithm Development of computer model Finite difference vs finite element method Finite element formulation Time domain solution Evaluation of the mathematical model Heat flux Moisture flux Numerical dispersion Frost heave of homogeneous laboratory samples Conclusions Recommended studies to refine the model Literature cited Appendix A. Work plan, staffing and instrumentation requirements for correlating results oflaboratory frost susceptibility tests with field performance Appendix B. Proposed investigation of thaw weakening of subgrade soil and granular unboundbase course Appendix C. Derivation of finite element system matrices
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  • 89
    Call number: ZSP-201-80/5
    In: CRREL Report, 80-5
    Description / Table of Contents: This research comprised laboratory testing to determine the properties of asphalt-aggregate mixtures containing three grades of asphalt cements, and analyses to project the performance of pavements containing each of the asphalts, in resisting thermally induced distress and traffic-associated distress. From the results it is concluded that only the softest asphalt cement tested (AC 2.5) would perform satisfactorily in a cold climatic zone. The moderately soft (AC 5) and moderately hard (AC 20) asphalt cements showed little susceptibility to thermal cracking in a moderate and a warm climatic zone, respectively. The AC 2.5 and AC 5 asphalts are not recommended for use in warm climates, however, owing to increased susceptibility to rutting under traffic.
    Type of Medium: Series available for loan
    Pages: vi, 55 Seiten , Illustrationen
    Series Statement: CRREL Report 80-5
    Language: English
    Note: CONTENTS Abstract Preface Introduction Research setting Objectives Materials, mixture designs, and tests Materials Mixture design tests Brazil test Resilient modulus test Data analysis Marshall tests Asphalt grade Compactive effort Aggregate type Data analysis Brazil tests Indirect tensile strength Tensile strain Vertical deformation Summary of Brazil test results Data analysis-resilIient modulus. Comparison of mixture susceptibility to temperature cracking General asphalt concrete stiffness Thermal cracking. Influence of asphalt cement properties Summary Comparison of mixture susceptibility to traftic-load-associated distress Stress/strain analysis Fatigue damage analysis Rutting analysis Strength correlations Marshall stability and indirect tensile strength Indirect tensile strength and resilient modulus Summary Summary and conclusions Recapitulation of investigations Summary of results Conclusions Literature cited Appendix A: Asphalt adggregate mixture properties by Marshall method Appendix B: Equations for calculating specimen properties from Brazil tests Appendix C: Calculated displacements, strains and stresses
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  • 90
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-80/6
    In: CRREL Report, 80-6
    Description / Table of Contents: Weekly measurements of the thickness of lake, river and fast sea ice made over a period of 10 to 15 years at 66 locations in Canada and Alaska are analyzed, and the portion of the data relating to maximum ice thickness and decay (i.e. the decrease in ice thickness) is examined. Ice thickness curves revealed individual patterns of ice decay, and comparisons between locations disclosed major contrasts in the amount of ice accretion and the times of maximum ice and ice clearance. Although many factors affect the ice decay process, this study investigates in detail the effect of thawing temperatures. Concurrent measurements of the air temperature at each location made it possible to analyze the relationship between accumulated thawing degree-days (ATDD) and ice cover decay. Other factors affecting ice ablation and breakup, such as snow-ice formation, snow cover depth, solar radiation and wind are also discussed.
    Type of Medium: Series available for loan
    Pages: v, 160 Seiten , Illustrationen
    Series Statement: CRREL Report 80-6
    Language: English
    Note: CONTENTS Abstract Preface Introduction Data sources and literature review Canada Alaska Data tabulation Station selection Description of tabulated data Station location and ice measurement site descriptions Review of previous studies on maximum ice in North America Maximum ice thickness maps Date of maximum ice Plotting of the ice decay curves General procedures Categories of water bodies Ice decay at sea ice locations Envelope curves Average curves Snow-ice formation Ice decay at lake ice locations Average curves Regional variations and similarities Ice decay at river ice locations Variations in ice thickness Rapid ice clearance Comparison between Alaskan and Canadian river ice decay curves Incremental extraction of ice decay data for analysis purposes Selection of ice decay intervals Preliminary evaluation of the methodology Further considerations of the methodology Relationships between ice decay and thawing air temperatures Average daily vs maximum daily air temperature 10-day increments vs accumulated values Total years vs year-to-year analysis Evaluation of use of 0°C as a base Final format of the relationship between ice decay and ATDD Evaluation of the final form Possible causes for variations in slope values Decreasing sea ice thickness and thawing air temperatures Factors affecting sea ice decay Relationship between ATDD and sea ice decay Influence of solar radiation and wind on sea ice decay Literature cited Selected bibliography Appendix A. Ice thickness measurements and other related (or associated) observations for stations in Canada and Alaska Appendix B. Maps of least and greatest ice thickness observed at the time of maximum growth, and average date of occurrence Appendix C. Annual ice decay curves for stations in Canada and Alaska
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  • 91
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-80/3
    In: (DE-B103)105551, CRREL Report
    Description / Table of Contents: Revegetation techniques were investigated for gravel soils in cold regions. Two gravel soil test sites were established in Hanover, New Hampshire, and Fairbanks, Alaska. During three growing seasons, we studied the applicability and cost effectiveness of various nutrient sources and mulch materials. The nutrient sources included sewage sludge (at 40, 60 and 80 tons/acre) and commercial fertilizer (at 200, 400 and 600 lb/acre). The mulching materials were wood fiber mulch with various types of tackifiers, peat moss, and sewage sludge. The effects of refertilization during the second growing season were also studied. At both sites the use of sewage sludge produced superior results in many respects to the use of fertilizer at the application rates studied. Grasses receiving sludge showed better establishment rates and greater plant cover and growth, and were able to withstand the hot drying conditions encountered during the summer months. Slightly quicker grass establishment was noted at the higher rates of application of each nutrient source in Fairbanks, while grass establishment at all sludge rates was good in Hanover. All fertilizer treatments performed poorly in Hanover. No evidence of winter injury to the grasses was noted in any of the treatments. Supplemental applications of nitrogen fertilizer in Hanover during spring of the second growing season proved highly beneficial. The fertilizer helped maintain grass growth even during dry summer conditions. The mulches were applied at the rate of 2,000 lb/acre. They were found to be important in providing a more nearly optimum environment for seedling establishment. Wood fiber mulch and the commercial Wood Fiber Mulch 2000, generally, were the best performers.
    Type of Medium: Series available for loan
    Pages: vi, 21 Seiten , Illustrationen
    Series Statement: CRREL Report 80-3
    Language: English
    Note: CONTENTS Abstract Preface Introduction Literature review Experimental design Climate Results and discussion Nutrient sources Mulches Soil fertility Cost analysis Summary and conclusions Literature cited
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  • 92
    Call number: ZSP-201-80/4
    In: CRREL Report, 80-4
    Description / Table of Contents: The primary objectives of this study were to 1) prepare a map from Landsat imagery of the Upper Susitna River Basin drainage network, lakes, glaciers and snowfields, 2) identify possible faults and lineaments within the upper basin and within a 100-km radius of the proposed Devil Canyon and Watana dam sites as observed on Landsat imagery, and 3) prepare a Landsat-derived map showing the distribution of surficial geologic materials and poorly drained areas. The EROS Digital Image Enhancement System (EDIES) provided computer- enhanced images of Landsat-1 scene 5470-19560. The EDIES false color composite of this scene was used as the base for mapping drainage network, lakes, glaciers and snowfields, six surficial geologic materials units and poorly drained areas. We used some single-band and other color composites of Landsat images during interpretation. All the above maps were prepared by photointerpretation of Landsat images without using computer analysis, aerial photographs, field data, or published reports. These other data sources were used only after the mapping was completed to compare and verify the information interpreted and delineations mapped from the Landsat images. Four Landsat-1 MSS band 7 winter scenes were used in the photomosaic prepared for the lineament mapping. We mapped only those lineaments related to reported regional tectonics, although there were many more lineaments evident on the Landsat photomosaic.
    Type of Medium: Series available for loan
    Pages: iii, 41 Seiten , Illustrationen
    Series Statement: CRREL Report 80-4
    Language: English
    Note: CONTENTS Abstract Preface Summary Objectives Conclusions Introduction Background Previous cooperative investigations Project rationale and coordination Approach Landsat imagery Interpretation techniques Part I. Use of Landsat imagery in mapping the drainage network, lakes, glaciers and snowfields (Lawrence W. Gatto) Objective Methods Results Conclusions Part II. Use of Landsat imagery in mapping and evaluating geologiclineaments and possible faults (Carolyn J. Merry) Objective Geologic structure Methods Results Conclusions Part Ill. Use of Landsat imagery in mapping surficial materials Section A. Landsat mapping (Harlan L. McKim) Objective Methods Results Section B. Field evaluation (Daniel E. Lawson) Objectives Methods Results Discussion Section C. Conclusions (Daniel E. Lawson and Harlan L. McKim) Literature cited Glossary
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  • 93
    Journal available for loan
    Journal available for loan
    Associated volumes
    In: Economic Geology
    Type of Medium: Journal available for loan
    Pages: S. 997-2345
    Language: English
    Location: Lower compact magazine
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  • 94
    Monograph available for loan
    Monograph available for loan
    Oxford : Oxford Univ. Press
    Associated volumes
    Call number: 17/M 17.90969/1
    Type of Medium: Monograph available for loan
    Pages: XI, 622 Seiten
    Edition: First edition published in 1984, reprinted 2011
    ISBN: 0198556020
    Series Statement: International series of monographs on chemistry 9
    Language: English
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  • 95
    Monograph available for loan
    Monograph available for loan
    Boston : Beacon Press
    Call number: IASS 16.90474
    Type of Medium: Monograph available for loan
    Pages: 457 S , graph. Darst.
    ISBN: 0807014001 (hbk) , 080701401X (pbk) , 9780807014011 (pbk)
    Series Statement: The theory of communicative action Vol. 2
    Uniform Title: Zur Kritik der funktionalistischen Vernunft 〈engl.〉
    Language: English
    Branch Library: RIFS Library
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  • 96
    Call number: ZSP-980-89 ; ZSP-980-89(2. Ex.)
    In: ZfI-Mitteilungen ; 89, Nr. 89
    Type of Medium: Series available for loan
    Pages: 132 S. , Ill., graph. Darst., Kt.
    ISSN: 0323-8776
    Series Statement: ZfI-Mitteilungen 89
    Language: English
    Note: Contents: Preface. - Tritium in Antarctic precipitation - information on global distribution / D. Hebert. - On the physical geography of the Schirmacher Oasis (East Antarctica, Dronning Maud Land) / W. Richter. - Investigation of Deuterium concentration relations between atmospheric water vapour and precipitations in the Schirmacher Oasis, East Antarctica / P. Kowski. - Isotope-hydrological and hydrochemical characterization of lakes in the Schirmacher Oasis (East Antarctica) / W. Richter, U. Wand, G. Strauch, P. Kowski, W. Kurze. - Isotope-hydrological and hydrochemical studies of the interior Antarctic lake "Untersee" in the Wohlthat Massif, Dronning Maud Land, East Antarctica / W.-D. Hermichen, M. Crelle, P. Kowski, W. Kurze, U. Wand. - The isotope-glaciological situation in the surroundings of the Schirmacher Oasis/Dronning Maud Land - a first overview / W.-D. Hermichen, P. Kowski, G. Strauch. - Radiocarbon dating of breeding places of petrels in the Antarctic / A. Hiller, U. Wand. - K - Ar dating of basalt dykes in the Schirmacher Oasis, Dronning Maud Land, East Antarctica / G. Kaiser, U. Wand.
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  • 97
    Call number: AWI P6-19-92192
    Type of Medium: Monograph available for loan
    Pages: 266 Seiten , Illustrationen
    Language: Bulgarian , English
    Note: CONTENTS: The Antarctic - Present and future / V. Zahariev. - The ice cover and the atmospheric CO2 / K. S. Losev. - 30 Years Research Activities of the German Democratic Republic in the Antarctic / D. Fritzsche. - The bulgarian antarctic society "Antarctica" - aims, activity and prospects in the future / S. Popov. - Features of the Antarctic climate / V. Zahariev, E. Koleva, R. Stoynova. - Features of the atmosphere circulation over the Antarctic continent / V. Zahariev, L. Kristev. - Ice covering of the Antarctuc continent / V. Zahariev, L. Kristev. - Temperature conditions in the Antarctic continent / V. Zahariev, L. Kristev . - Modeling the thermali convection of the Antarctic continent / S. Stoyanov, V. Zahariev. - Gamma locator for investigation of local sources of space photons with ultra high energies / I. Kirov, J. Stamenov, S. Ushev, V. Ianminchev. - Measurements of aerosols in the coastal sone of the Antarctic continent / N. Mihnevsky, K. Velchev. - Defining antropogenic in the show sample collected from the Antarctic continent / L. Adjarova, A. Antonov, N. Mihnevsky. - Ozone holes in the Antarctic / C. Gogosheva. - Measurements of the entire ozone content during the 17th Antarctic trip of the soviet research ship "Michail Somov" / N. Nihnevsky, P. Videnov. - Problems on the polar atmospere and magnetosphere / M. Gogoshev. - On some geomagnetic phenomena / P. Ivanova. - Spectroscopic measurements of small gas quantities in the atmosphere / S. Bogdanov, P. Videnov. - An investigation of electrical properties of the water-ice phase transition for purposes of remote sensing in Antarctic / St. Kolev. - Influence of the thermodinamic interaction in the atmosphere on the ice conditions of the world ocean surface / G. Korchev, A. Korcheva. - Participation of the Bulgarian group in the 33th soviet Antarctic expedition in season 1987/1988 / Z. Vergilov, S. Kaloyanov, N. Mihnevsky, A. Chakirov. - Reconnaissance investigation of the north part of Alexander I island / N. Mihnevsky, Z. Vergilov, S. Kaloyanov, A. Chakirov. - Finding a suitable place for the experimental buildings and mounting them on Livingston island / A. Chakirov, Z. Vergilov, S. Kaloyanov, N. Mihnevsky. - Energetic requirements, energy sources, water supply, transport machinery and building works for the Antarctic scientific stations / A. Chakirov. - Ice conditions and possibilities for navigation in the areas of the islands Alexander I and Livingston / S. Kaloyanov, Z. Vergilov, N. Mihnevsky, A. Chakirov. - Portable automatic meteorological station based on a aerological sonde / H. Brinsov. - Automatic data asquisition system with battery supply for operation in heavy weather conditions / S. Kaloyanov. - Automatic observations on the propagation of the short weves / S. Kaloyanov. - The possibility for utilizing of thermal pumps in polar conditions / S. Todorov, V. Stoyanov, G. Dineva, K. Grancharov. - Working fluids in the hidraulic systems operating in polar conditions / S. Todorov, K. Grancharov, G. Dineva. - Investigation of the operation processes of diesel engines operating electric generators in polar condition / V. H. Janakiev, I. E. Ivanov, E. A. Iliev. - Some problems of human adaptation to the cold in Subantarctic / A. Ketkin. - The first geological research activities of Bulgaria in Antarctic - some new data and preliminary conclusions Alexander Island, West Antarctica / B. Kamenov, B. H. Pimpirev. - A satellite ozonometric apparatus for atmospheric ozone monitoring above the Antarctic / J. St. Jekov, K. D. Valtchev, D. Chr. Ivanova. - Measuring the total ozone content above the Antarctic with the aid of artificial earth satellite / D. Hr. Ivanova, J. St. Jekov. , In kyrillischer Schrift , Beiträge teilweise in englischer, teilweise in bulgarischer Sprache , Mit englischem Inhaltsverzeichnis
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  • 98
    Monograph available for loan
    Monograph available for loan
    [Potsdam] : Academy of Sciences of the German Democratic Republic, Central Institute for Physics of the Earth, National Committee on Antarctic Research of the G.D.R.
    Call number: AWI P6-19-92271
    Type of Medium: Monograph available for loan
    Pages: 60 Seiten , 2 Beilagen
    Language: English
    Note: Beilage unter dem Titel: Symposium on Antarctic Research : Potsdam, G.D.R. September 11-14, 1989 ; Second Circular , Beilage unter dem Titel: Morphometrical and ecological differences between South Polar and Brown Skuas of Fildes Peninsula, King George Island, South Shetland Islands / H.-U. Peter, M. Kaiser, A. Gebauer (Abstract)
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  • 99
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-84/6
    In: CRREL Report, 84-6
    Description / Table of Contents: An expression relating aerosol growth to cold environmental conditions was developed. This was accomplished by solving the diffusion equation with the method of Laplace transformation. The series solution was expressed in terms of the dimensionless parameters K (ratio of vapor density over droplet surface to droplet density), ω (ratio of environmental vapor density at time zero to vapor density over droplet surface), and dimensionless time τ (ratio of product of diffusion coefficient D and time t to square of initial radius of condensation nucleus). To take into account the variation of the vapor density over the surface of an acidic condensation nucleus due to the continuous dilution of the droplet, the solution was obtained by assuming various levels of constant vapor concentration. The final expression [R/R sub o - 1 = 2.4917 x 10 to the minus 18th power) exp(0.0737 θ) (P sub RHS/25) x (100-P sub RHS) τ to the 0.9890 powder] can be used to compute the value of R once the values of initial radius R sub o, relative humidity P sub RH, percent of relative humidity at the droplet surface P sub RHS, and environmental temperature θ are given.
    Type of Medium: Series available for loan
    Pages: vi, 28 Seiten , Illustrationen
    Series Statement: CRREL Report 84-6
    Language: English
    Note: CONTENTS Abstract Preface Nomenclature General background The problem Method of solution Results and discussion Conclusions Literature cited Appendix: Evaluation of rn's in equation 25
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  • 100
    Series available for loan
    Series available for loan
    Hanover, NH : U.S. Army Cold Regions Research and Engineering Laboratory
    Associated volumes
    Call number: ZSP-201-84/24
    In: CRREL Report, 84-24
    Description / Table of Contents: This report describes the growth characteristics and crystalline textures of urea ice sheets which are now used extensively in the Cold Regions Research and Engineering Lab. (CRREL) test basin for modeling sea ice. The aims of the report are to describe the different kinds of crystalline texture encountered in urea ice sheets and to show that even small variations in texture can drastically influence the mechanical behavior of urea ice sheets. Standard petrographic techniques for studying microstructure in thin sections were used on 24 urea ice sheets. These investigations entailed observations of the crystalline texture of the ice (including details of the subgrain structure), grain size measurements, and studies of the nature and extent of urea entrapment and drainage patterns in the ice. Increased knowledge of the factors controlling the crystalline characteristics of urea ice sheets has progressed to the point where test basin researchers at CRREL are now able to fabricate ice sheets with prescribed structures leading to predictable mechanical properties. Originators supplied keywords include: Sea ice, and Mechanical properties.
    Type of Medium: Series available for loan
    Pages: iv, 55 Seiten , Illustrationen
    Series Statement: CRREL Report 84-24
    Language: English
    Note: Contents: Abstract Preface Introduction Objectives Analytical techniques Procedures for growing urea ice sheets Analysis of the crystalline structure of urea ice Characteristics of urea ice Results and discussion Ice sheet no. 1 Ice sheet no. 2 Ice sheet no. 3 Ice sheet no. 4 Ice sheet no. 5 Ice sheet no. 6 Ice sheet no. 7 Ice sheet no. 8 Ice sheet no. 9 Ice sheet no. 10 Ice sheet no. 11 Ice sheet no. 12 Ice sheet no. 13 Ice sheet no. 14 Ice sheet no. 15 Ice sheet no. 16 Ice sheet no. 17 Ice sheet no. 18 Ice sheet no. 19 Ice sheet no. 20 Ice sheet no. 21 Ice sheet no. 22 Ice sheet no. 23 Ice sheet no. 24 Urea concentrations in test tank solution and ice Discussion and conclusions E/σf ratio Thickness of incubation layer Crystal properties Literature cited Appendix A: Thin sections of urea ice sheets
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