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51.
David Gubbins Peter Molnar J. G. Olliver Petr Vanīček Kenji Satake Allan M. Rubin Waclaw M. Zuberek Janusz Niewiadomski Leszek Czechowski David J. Steveson Jacek Leliwa-Kopystyński Yu. N. Korenkov Fred Lipschultz Marek Jerczyński Krzysztof E. Haman Jerzy Radziwill Maciej Sadowski Maciej Sadowski 《Pure and Applied Geophysics》1990,132(3):599-637
52.
David Gubbins Emile A. Okal Roberto Scarpa R. E. Anderson Leszek Czechowski Rodney W. Page Bernhard Spörli Magdalena Kądziałko-Hofmokl J. A. Majorowicz Gregory Houseman Donald L. Turcotte David F. McTigue Teng-fong Wong David Lockner David V. Wiltschko David M. Fountain G. P. Glasby R. J. Angel S. J. Gibowicz Jonathan Franzen Kacper R. Rybicki Brian Farrell Anil Suri Zbigniew W. Kundzewicz Witold G. Strupczewski 《Pure and Applied Geophysics》1988,127(4):695-752
53.
Leszek A. Kosiński 《Geoforum》1976,7(4):313-325
Urban growth and urbanization can be defined, measured and studied in a variety of ways but there is little doubt that the demographic dimension is of paramount importance for both the general public and interested scholars. It seem appropriate that this aspect should be given a particular attention during the symposium organized during the International Geographical Congress as well as a special publication resulting therefrom. The present assay attempts to discuss the demographic issues at a very high level of generalization. The basic data used were derived from the latest UN estimates. 相似文献
54.
55.
Victor C. Li John Pott Kerry Kelts Claudio Chiaruttini Leszek Czechowski 《Pure and Applied Geophysics》1986,124(6):1107-1115
56.
Spatial data were used to develop complex characteristics of a high-mountain karst. The numeric elaboration was conducted
using the analytical capabilities of GIS software. Analysis was based on spatial data gained by elaborating aerial photography.
The results were presented in map sets, as well as Geographic Information System format. The set of matched numerical methods
used and the proposed algorithm for data analysis may be applied at other karst sites. 相似文献
57.
58.
Arkadiusz Derkowski Jan
rodo Magdalena Goryl Leszek Marynowski Marek Szczerba Stanisaw Mazur 《Basin Research》2021,33(1):570-593
The diagenetic history of the Ediacaran sedimentary rocks in the East European Craton (EEC) over the area extending from Arkhangelsk (Russia) in the north to Podolia (Ukraine) in the south was revealed by means of the XRD characterization and K–Ar dating of clay fractions, mudstone porosity measurements and organic geochemistry investigations. Mudstone porosity measurements produced direct evidence of shallow maximum burial of the Ediacaran sediments on the craton (Russia, Lithuania, Belarus, Volyn), not exceeding 1.5 km, and much deeper burial at the cratonic margin, in Podolia and Poland. In general, illitization of smectite and biomarker indices indicates more advanced diagenesis at the cratonic margin. K–Ar dating of authigenic illite–smectite and aluminoceladonite revealed the Palaeozoic age of mineral diagenesis (ca. 450–300 Ma) both on the craton and its margin, with older ages generally observed in the north. When the maximum palaeotemperatures were evaluated from illite–smectite and biomarkers, based on the calibrations from the conventional burial diagenetic sections, a major mismatch was detected for the cratonic area: 100°C–130°C from illite––smectite and tens of oC lower from the lipid biomarkers. This diagenetic pattern was interpreted as the result of short‐lasting (in ky scale) pulses of potassium‐bearing hot fluids migrating from the Caledonian and Variscan orogens deep in the craton interior, effectively promoting illitization in porous rocks without altering the organic matter. Analogous short pulses of fluids were responsible for numerous diagenetic phenomena, including Mississippi Valley‐Type ore deposits, in the American Midwest, in front of the Appalachians. K–Ar dating indicates that the entire Proterozoic sedimentary cover of the Great Unconformity on the EEC remained untouched by measureable post‐sedimentary changes until the early Palaeozoic, thus for over 1000 My, which is an unprecedented finding. 相似文献
59.
60.
Journal of Geographical Sciences - Numerous topography, land-cover, land-use, and soil-type parameterization methods are required to simulate the hydrologic cycle. In this paper, using the... 相似文献