Adaptability of an airborne laser scanner to determine a snow depth distribution on a mountain area

DOI 10 Citations

Bibliographic Information

Other Title
  • 山地の積雪深分布計測における航空レーザスキャナの適用性に関する検討

Abstract

Snow depth distribution on a mountain slope (total area of 0.3km2) was determined using an airborne laser scanner in Higashi-Kubiki hill of Nigata prefecture. We measured elevations of both the snow and ground surface at the same area, then calculated snow depth distribution by the difference between the two. A comparison with a ground truth of GPS and ultrasonic snow depth gauge showed the error range by airborne laser scanner to be from +26.5cm to -13.6cm, with an average of +1.8cm. This result indicates that there was sufficient accuracy for evaluating snow depth distribution.<br>Snow distribution has the following characteristics. 1) Snow on the slopes facing north and northeast is deeper than that on the slopes facing south. 2) Snow is deeper on the ridge than in the valley. There are deeper snow zones along the contour line where the slope gradient changes from steep to gentle. A likely explanation for this is that snow is piled by creep, glide, and snowslide, and drifted to such places.

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Details 詳細情報について

  • CRID
    1390001204440547712
  • NII Article ID
    130004445916
  • DOI
    10.3178/jjshwr.17.529
  • ISSN
    13492853
    09151389
  • Text Lang
    ja
  • Data Source
    • JaLC
    • Crossref
    • CiNii Articles
  • Abstract License Flag
    Disallowed

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