Résultats de la recherche | Land Portal

Résultats de la recherche

Showing items 1 through 9 of 6.
  1. Library Resource
    Articles et Livres
    mars, 2017
    Japon

    This study aims to understand the effective management of abandoned properties such as forest, farmlands, houses in depopulated areas in Japan. Specifically, this study focuses on 'absentee landlords' who own their property away from their current residence. Descriptive analyses of the Internet survey on absentee landlords who own properties in depopulated areas in Japan shows that the absentee landlords who cannot manage their forests properly also cannot manage paddy fields and houses properly.

  2. Library Resource
    Articles et Livres
    juillet, 2017
    Japon

    In this study, we compared pixel-based image analysis and object-based image analysis (OBIA) as methods of land cover classification of urban areas, using high resolution digital aerial photography. The study area was Setagaya Ward, Tokyo, Japan, and we carried out supervised classification using aerial photographs with 25-cm spatial resolution, and with both visible bands and a near infrared band. The overall accuracy of the object-based classification was approximately 6 to 20 percentage points higher than that of the pixel-based classification.

  3. Library Resource
    Articles et Livres
    mars, 2017
    Japon

    To understand the rainfall-runoff process and sediment delivery process in headwater catchment, hydrological observation and the monitoring of suspended sediment concentrations (SSC) was conducted at a forested headwater catchment in Japanese Alps region. The study site is Nodagasawa watershed (37 ha) within Terasawayama Station, Research Forest of Shinshu University, Japan. At this catchment, notably quick rainfall-runoff response was observed as with the runoff characteristics reported in other catchment underlain by granite.

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