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  • 1
    Series available for loan
    Series available for loan
    Warszawa : Inst.Geofizyki Polskiej Akad. Nauk
    Associated volumes
    Call number: S 91.0236(C-84) / Regal 35
    In: Publications of the Institute of Geophysics, Polish Academy of Sciences
    Type of Medium: Series available for loan
    Pages: 109 S.
    ISBN: 8388765175
    Series Statement: Publications of the Institute of Geophysics, Polish Academy of Sciences : C, Geomagnetism 84 = 345
    Classification:
    Geophysics
    Language: English
    Location: Magazine - must be ordered
    Branch Library: GFZ Library
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  • 2
    ISSN: 1420-9136
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Geophysical journal international 104 (1991), S. 0 
    ISSN: 1365-246X
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geosciences
    Notes: This paper gives a new method for automatic calculation of K-indices by computer. the general philosophy of the method is the simulation of the hand-scaling procedure. the simple theory, based on the least-squares method with additional limitation of the second derivatives, is outlined. the method has two steps; in the second step the weighting factors are introduced to avoid errors connected with large variations. We call this method the Adaptive Smoothing (AS). the method was applied to data from three observatories, Belsk, Nurmijarvi and Sodankyla, for the period 1985 January 1 to 1986 February 28. the agreement with results from the hand-scaled method was 75–84 per cent. the percentage of the differences larger than one unit was less than 0.3 per cent.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1574-6941
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: Abstract Shallow (5–13 m) and deep (35–65 m) groundwaters were evaluated for their ability to generate conditioning films which affect bacterial adhesion to natural (sandstone, shale, andesite) and man-made substrata (polypropylene, stainless steel). Water contact angles indicated that all water samples produced conditioning films. Most films modified retention of the nonmotile Gram-negative bacterium SW8, but attachment of the organism did not correlate with water contact angles. Each borewater produced conditioning films with a characteristic attachment profile of SW8. Films adsorbed from standing borewaters often retained SW8 in different numbers than coatings derived from pumped bores. Groundwater chemistry was very heterogeneous and microbiological data indicated the presence of a diverse aerobic and anaerobic microbial community. These results indicate that conditioning films derived from dissolved compounds may play a significant role in controlling the interaction of bacteria with substrata in the subsurface.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1435-0157
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences
    Description / Table of Contents: Résumé: La salinité des régions sèches apparaît dans certains secteurs de plaines de Liverpool, dans le nord des Nouvelles Galles du Sud (Australie). Les sols de ces plaines sont formés de terres noires épaisses, constituant un paillage naturel, et sont parmi les terres agricoles les plus productives du pays. Un levé de terrain de la conductivitéélectrique globale, au moyen d'un EM-31, a été entrepris sur certaines parties des plaines, dans le but d'identifier les zones présentant un risque de salinisation par remontée d'eau souterraine salée. De larges variations de la conductivitéélectrique globale ont été mises en évidence au moyen du EM-31, mais l'interprétation de ces données est difficile. Un site expérimental a été défini pour une étude de détail et un programme de géophysique de surface complémentaire, avec des diagraphies de forages, du carottage, des mesures de laboratoire des propriétés chimiques et physiques des carottes et des analyses chimiques a été entrepris. Les résultats indiquent que le sol associé aux fortes valeurs de conductivitéélectrique est dominé par des smectites contenant des teneurs élevées en sels eintraînés. Le sol associéà des valeurs basses de la conductivitéélectrique contient un sable fin à moyen, mélangéà des smectites. L'ensemble des données montre que la teneur en argile et les sels entrînés dans l'argile est le facteur essentiel déterminant la conductivitéélectrique dans ce secteur.
    Abstract: Resumen: La salinización de tierras de secano tiene lugar en algunas zonas de las Llanuras de Liverpool en la parte norte de Nueva Gales del Sur, Australia. Los suelos de las Llanuras comprenden tierras negras de gran profundidad y forman algunas de las tierras de mayor productividad agrícola del país. Se realizó una campaña de conductividad eléctrica utilizando un EM-31 en algunas áreas de la Llanura, con la intención de identificar áreas de riesgo potencial de desarrollo de salinidad por el aumento de los niveles de agua subterránea salina. Se identificaron grandes variaciones de conductividad eléctrica, pero la interpretación de los datos estaba ligada a una gran incertidumbre. Se seleccionó una zona experimental para hacer estudios más de detalle, en la que adicionalmente se llevaron a cabo campañas geofísicas de superficie y en profundidad, testificación, medidas en laboratorio de las propiedades físico-químicas de los testigos y análisis constituidos por esmectita, con altos contenidos en sales de formación. En cambio, los suelos con valores bajos de conductividad eléctrica contienen arenas entre finas y medias, mezclada con esmectita. Se ha comprobado que el contenido de arcilla y de sales de formación es el factor determinante en los valores de conductividad eléctrica que se observan en este área. En consecuencia, este área posiblemente no presente riesgo de salinización.
    Notes: Abstract: Dryland salinity occurs in some areas of the Liverpool Plains in northern New South Wales, Australia. Soils on the Plains comprise deep self-mulching Black Earths and form some of the country's most productive agricultural land. A survey of bulk electrical conductivity using an EM-31 was carried out over parts of the Plains with the intention of identifying areas at risk of developing salinity due to rising saline groundwater. Large variations in bulk electrical conductivity were identified by the EM-31 work, but interpretation of the data was uncertain. A trial site was selected for detailed study and a programme of additional surface geophysics, borehole geophysics, coring, laboratory measurements of chemical and physical properties of the cores, and chemical analysis was carried out. The results indicate that the ground associated with high values of bulk electrical conductivity is dominated by smectite clay containing high levels of entrained salts. Ground associated with low bulk electrical conductivity contains a fine-to-medium sand mixed with smectite clay. The data set demonstrates that clay content, and the salt entrained in the clay, is the dominant factor determining the bulk electrical conductivity in this area. The area may not, therefore, be a risk of developing dryland salinity.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 1573-1626
    Source: Springer Online Journal Archives 1860-2000
    Topics: Architecture, Civil Engineering, Surveying , Geosciences , Physics
    Notes: Резюме Оnuсывaеmся эксnерuменm о¶rt;новременных зanuсей еомa нumных вaрuaцuŭ нa nрофuле No V ГСЗ (Кaрnamы). Нaблю¶rt;енuя былu осущесmвлены в nерuо¶rt; с 31. 8. ¶rt;о 24. 9. 1973 нa 10 nолевых сmaнцuях. По ¶rt;aнным nре¶rt;вaрumелъно оnре¶rt;елены векmоры Вuзе, рaссмamрывaеmся uх nове¶rt;енuе в¶rt;олъ nрофuля u оnре¶rt;еляеmся зонa aномaлъноŭ элекmрuческоŭ nрово¶rt;uмосmu в Кaрnamaх.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Studia geophysica et geodaetica 23 (1979), S. 89-93 
    ISSN: 1573-1626
    Source: Springer Online Journal Archives 1860-2000
    Topics: Architecture, Civil Engineering, Surveying , Geosciences , Physics
    Notes: Резюме Прuво¶rt;umс я сво¶rt;нaя maб лuцa векmоров uн¶rt;укцuu nолученных в резульmamе обрaбоmкu nо левых мa нumо вaрuaцuонных ¶rt;aнных нa nо льско-чехословaцко м учaсmке Кaрnam.
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 1573-1626
    Source: Springer Online Journal Archives 1860-2000
    Topics: Architecture, Civil Engineering, Surveying , Geosciences , Physics
    Notes: Резюме Оnuсывaюmся резульmamы uзученuя вaрuaчuŭ еомa нumно о nоля зaре uсmрuровaнных о¶rt;новременно нa 9 nолевых сmaнцuях в¶rt;оль nрофuля ГСЗ No V, nересекaюще о Кaрnamы. Деmaльно uзучaеmся зонa aномaльноŭ uн¶rt;укцuu нa рaнuце меж¶rt;у внещнuмu u ценmрaльнымu Кaрnamaмu. Посmроены векmоры uн¶rt;укцuu u aнaлuзuровaнa чaсmоmнaя хaрaкmерuсmuкa aномaльно о эффекma. По ¶rt;aнным нa оm¶rt;ельных сmaнцuях о¶rt;новременно зaре uсmрuровaнных возмущенuŭ осущесmвляеmся рaз¶rt;еленuе nоля нa внуmреннюю u внешнюю сосmaвляющuе. Оценuвaеmся лубuнa зaле aнuя сосре¶rt;оmоченно о лuнеŭно о элекmрuческо о mокa, коmорыŭ являеmся о¶rt;нuм uз возможных uсmочнuков внуmренне о nоля. Элекmромa нumные хaрaкmерuсmuкu nоля соnосmaвлены с mеореmuческuмu aномaлuямu рaсчumaннымu ¶rt;ля некоmорых ¶rt;ву-мерно нео¶rt;норо¶rt;ных еоэлекmрuческuх сmрукmур в¶rt;оль nрофuля чuсленным меmо¶rt;ом конечных рaзносmеŭ.
    Type of Medium: Electronic Resource
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  • 9
    Publication Date: 1997-03-01
    Print ISSN: 1431-2174
    Electronic ISSN: 1435-0157
    Topics: Geosciences
    Published by Springer
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  • 10
    Publication Date: 2004-03-05
    Print ISSN: 0943-0105
    Electronic ISSN: 1432-0495
    Topics: Geosciences
    Published by Springer
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