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  • 1
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    Vorbericht über die Untersuchungen an der Faustkeilstation Şehremuz in der südöstlichen Türkei (1984)
    Geozon Science Media
    Details
    Publication Date: 2022-08-05
    Description: Nach Vorarbeiten 1977 und 1979 wurden im Bereich der paläolithischen Fundstelle Şehremuz im Jahre 1982 zwei Grabungskampagnen von je zwei Monaten durchgeführt. Es konnten zwei archäologische Komplexe in unterschiedlicher geologischer Lagerung festgestellt werden: a) Silexabschläge und Faustkeile im obersten aufgeschlossenen Schotter des Keluşk-Baches, eines Euphratzuflusses. Dieser Seitentalschotter ist korrelierbar mit einem etwa 60 m über der heutigen Talaue liegenden Euphratschotter. b) „Mittelpaläolithische" Inventare in einem über den Keluşk-Schottern liegenen Glacis, weitgehend nur aus Oberflächenfunden bekannt. Sie sind aufgrund ihrer Einlagerung jünger als der "Faustkeilkomplex". Die Inventare mit Faustkeilen sind einem entwickelten faustkeilführenden Paläolithikum zuzurechnen. Auf sie ist die vorliegende Untersuchung konzentriert. Die durch die Silexartefakte belegten zahlreichen Begehungen des alten Keluşk-Bettes durch den paläolithischen Menschen haben ihre Ursache u.a. in einem hohen natürlichen Anteil von Silex im Schotter. Neben vollständigen Knollen liegt zahlreicher Naturbruch vor, der gegen die Stücke mit anthropogenen Bearbeitungsspuren abgegrenzt werden muß. Dabei kommt der Konfiguration der Einzelmerkmale — Dimensionen; Abbaufläche und Schlagmerkmale — die größte Bedeutung zu. Die Bearbeitung der Steinartefakte unter funktionalen Gesichtspunkten ist ein wichtiger Teil der Untersuchungen: Die Methoden werden beschrieben. Form und Zurichtung der Faustkeile lassen makroskopisch mögliche Funktionsflächen zum tiefen Einschneiden etwa in Fleisch und mögliche Funktionskanten zum Ritzen oder flach Einschneiden erkennen. Im mikroskopischen Bereich werden an Artefakten punktuell Gebrauchsspuren faßbar, die z.B. die Benutzung eines Faustkeils sowohl zum Einschneiden in Fleisch wie auch zum Zertrümmern von Knochen belegen.
    Description: research
    Keywords: ddc:551.7
    Language: German
    Type: doc-type:article , publishedVersion
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    CITATION GEO-LEO
  • 2
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    The rupture process of the great Colombia earthquake: Evidence for the asperity model (1984)
    In:  J. Geophys. Res., Luxembourg, Conseil de l'Europe, vol. 89, no. 2, pp. 9281-9291, pp. 1892
    Details
    Publication Date: 1984
    Keywords: Earthquake asperities ; SModelling ; Source ; JGR
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    BIBLIOGRAPHY SEISMOLOGY
  • 3
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    Navstar/Global Positioning System single point positioning at Sheltech Canada - preliminary results (1981)
    In:  paper presented at the European Geophysical Society meeting, Uppsala, August 25-28, 1981, 28 pp, Hanscom Air Force Base, Phillips Laboratory, Air Force Systems Command, vol. C 560, 183 pp., no. PL-TR-91-2142, pp. 52-63, (ISBN 3-933346-037)
    Details
    Publication Date: 1981
    Keywords: Crustal deformation (cf. Earthquake precursor: deformation or strain) ; Geodesy ; Instruments ; Proceedings of a conference
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    BIBLIOGRAPHY SEISMOLOGY
  • 4
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    Large space antenna communications systems: Integrated Langley Research Center/Jet Propulsion Laboratory development activities. 2: Langley Research Center activities (1983)
    In:  CASI
    Details
    Publication Date: 2006-02-14
    Description: The electromagnetic analysis activities at the Langley Research Center are resulting in efficient and accurate analytical methods for predicting both far- and near-field radiation characteristics of large offset multiple-beam multiple-aperture mesh reflector antennas. The utilization of aperture integration augmented with Geometrical Theory of Diffraction in analyzing the large reflector antenna system is emphasized.
    Keywords: LAUNCH VEHICLES AND SPACE VEHICLES
    Type: Large Space Antenna Systems Technol., Pt. 2; p 815-832
    Format: text
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    NASA TECHNICAL REPORTS
  • 5
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    Measurements of free tropospheric ozone - An aircraft survey from 44 degrees north to 46 south latitude (1984)
    In:  Other Sources
    Details
    Publication Date: 2011-08-19
    Description: Ozone data were obtained in the free troposphere at altitudes of 5 to 7.5 km and at latitudes from 44 degrees N to 46 degrees S during a 3-week period from October 19 to November 4, 1982. Flight trajectories included the continental U.S., Central America, and the western coast of South America. Maximum observed ozone was 110 ppb at about 41 degrees S latitude and at an altitude of 7.3 km (msl). Analysis of the data as a function of latitude showed a region of elevated ozone in the southern latitudes extending from about 2 degrees to 30 degrees in which latitudinal ozone averages (2 degree bands) peaked at about 80 ppb. Ozone concentrations, measured at northern latitudes, were lower, averaging about 35 ppb. A discussion of the data, including comparison with other ozone data sets, is presented.
    Keywords: GEOPHYSICS
    Type: Journal of Geophysical Research (ISSN 0148-0227); 89; 9642-964
    Format: text
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    NASA TECHNICAL REPORTS
  • 6
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    Observations of atmospheric ozone - 38 to 76 deg north latitude at altitudes from 8 km to the surface (1984)
    In:  Other Sources
    Details
    Publication Date: 2011-08-19
    Description: Ozone data were obtained from 8 km to the surface and at latitudes from 38 to 76 deg N during January and February 1983. Flight lines covered northeastern U.S., Canada, and Greenland. The results of the latitudinal survey at 5- to 8-km altitude showed O3 mixing ratios to be about 40 ppbv with little variation in latitude. One region of elevated O3 was observed and extended from 54 N to 57 deg N latitude. Ozone reached 150 ppbv at 6.4-km altitude. This sampling was stratospheric air as the tropopause height was 5.6-km altitude. Profiles at 76, 67, and 53 deg N showed O3 to be be well mixed from about 5 km to the surface. In some cases, profiles identified a layer of 1 km to 100 m vertical dimension at the surface, in which O3 destruction had occurred.
    Keywords: GEOPHYSICS
    Type: Geophysical Research Letters (ISSN 0094-8276); 11; 1129-113
    Format: text
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    NASA TECHNICAL REPORTS
  • 7
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    Infrared emission line studies of the structure and excitation of H II regions (1982)
    In:  Other Sources
    Details
    Publication Date: 2011-08-18
    Description: Maps of five H II regions in one or more of the infrared fine-structure lines of Ne II (12.8 microns), Ar III (9.0 microns), and S IV (10.5 microns) have been obtained with angular resolutions ranging from 4 to 7 arcsec. The observations are used to discuss the morphology and excitation of these nebulae. Considerable diversity is found in the structures of the nebulae, probably resulting from differences in their ages and the circumstances of their formation. In all cases, more ionizing luminosity than would be provided by a single dominant ionizing star appears to be required, although uncertainties in the model nebulae make this conclusion uncertain.
    Keywords: ASTROPHYSICS
    Type: Astrophysical Journal; vol. 255
    Format: text
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    NASA TECHNICAL REPORTS
  • 8
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    Seasat-A satellite scatterometer instrument evaluation (1980)
    In:  Other Sources
    Details
    Publication Date: 2011-08-17
    Description: The Seasat-A satellite scatterometer (SASS) was designed to measure ocean surface wind speed and direction in twenty-four independent cells over a 1000-km swath. It operated in the interrupted CW mode at a frequency of 14.6 GHz with four fan beam antennas and used Doppler filtering in the receiver for resolving the cells on the surface. The instrument began operating in space on July 6, 1978, and gathered normalized radar cross section data for approximately 2290 h. The purpose of this paper is to describe the in-orbit evaluation of the SASS hardware and its compatibility with the spacecraft. It has been determined that the scatterometer operated flawlessly throughout the mission, met all design requirements, and established a good data base for geophysical processing.
    Keywords: SPACECRAFT INSTRUMENTATION
    Type: IEEE Journal of Oceanic Engineering; OE-5; Apr. 198
    Format: text
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    NASA TECHNICAL REPORTS
  • 9
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    Atmospheric transport of pollutants from North America to the North Atlantic Ocean (1984)
    In:  Other Sources
    Details
    Publication Date: 2011-08-18
    Description: Ground-based measurements strongly support the hypothesis that pollutant materials of anthropogenic origin are being transported over long distances in the midtroposphere and are a significant source of acid rain, acid snow, trace metal deposition, ozone and visibility-reducing aerosols in remote oceanic and polar regions of the Norhern Hemisphere. Atmospheric sulphur budget calculations and studies of acid rain on Bermuda indicate that a large fraction of pollutant materials emitted into the atmosphere in eastern North America are advected eastwards over the North Atlantic Ocean. The first direct airborne measurements of the vertical distribution of tropospheric aerosols over the western North Atlantic is reported here. A newly developed airborne differential adsorption lidar system was used to obtain continuous, remotely sensed aerosol distributions along its flight path. The data document two episodes of long-distance transport of pollutant materials from North America over the North Atlantic Ocean.
    Keywords: ENVIRONMENT POLLUTION
    Type: Nature (ISSN 0028-0836); 308; 722-724
    Format: text
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    NASA TECHNICAL REPORTS
  • 10
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    Survey of portions of the chromium-cobalt-nickel-molybdenum quaternary system at 1200 degrees C (1952)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Type: NACA-TN-2683
    Format: application/pdf
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    NASA TECHNICAL REPORTS
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