The transition from small simple craters to large complex or modified craters is characterized by eleven changes in the shape of fresh lunar craters which occur within a diameter range of 10 to 30 km. In the present paper, seven ratio-level variations - those of rim-crest diameter with depth, rim height, flank width, rimwall slope, floor diameter, circularity, and rim-crest evenness - are defined for fresh-appearing craters from the new Apollo data and are expressed mathematically where practicable. These relations constitute a shape model for interpreting fresh craters on the moon. The size dependent changes reflect the occurrence of central peaks, rimwall terraces, and a flat floor within craters measuring 10 to 20 km in diameter.


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    Titel :

    Size-dependence in the shape of fresh impact craters on the moon


    Beteiligte:
    Pike, R. J. (Autor:in)

    Kongress:

    Symposium on Planetary Cratering Mechanics ; 1976 ; Flagstaff, AZ


    Erscheinungsdatum :

    01.01.1977


    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch




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