Snow area detection by using AVHRR/NOAA

So Kazama, Masaki Sawamoto, Hiroshi Kawamura

Research output: Chapter in Book/Report/Conference proceedingConference contribution


Comparing the AVHRR/NOAA data with snow information on the ground, a scheme for the detection of snow covered area is discussed. The studied area is the Tohoku district, northern Japan, where 169 GTD points are located. Firstly, an image on 15 February, 1989, is analyzed in detail. A scheme of snow area detection was obtained. It is also confirmed that some mismatch points of this scheme can be explained by a certain reasoning. Secondly, change of the parameters in this schemes is studied from January to April, 1989. It is confirmed that a set of threshold parameters varies under the influence of the sun elevation.

Original languageEnglish
Title of host publicationBetter Understanding of Earth Environment
EditorsSadao Fujimura
PublisherPubl by IEEE
Number of pages3
ISBN (Print)0780312406
Publication statusPublished - 1993 Dec 1
EventProceedings of the 13th Annual International Geoscience and Remote Sensing Symposium - Tokyo, Jpn
Duration: 1993 Aug 181993 Aug 21

Publication series

NameInternational Geoscience and Remote Sensing Symposium (IGARSS)


OtherProceedings of the 13th Annual International Geoscience and Remote Sensing Symposium
CityTokyo, Jpn

ASJC Scopus subject areas

  • Computer Science Applications
  • Earth and Planetary Sciences(all)


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