都市化に伴う農耕地土壌賦存の変容過程 : 1970年後半から80年代埼玉県南東部における農耕地土壌賦存特性に与えた都市化の影響

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The processes of the soil resources-decreasing with the advance of urbanization and the monitoring method of the soil resources-changing in urban fringes are studied. The south_east part of Saitama Prefecture; Misato City, Koshigaya City, Yoshikawa Town and Matsufuse Town, is selected as the model area and analyzed by means of GIS method. The GIS methods consist of three operation units; the land use map making from satellite data by maximum likelihood method, the soil map digitizing by GIS, and overlying the land use map and the soil map and calculation of area. In this area the paddy field is distributed on Peat soils, Gray lowland soils and Gley soils and the upland field on Brown lowland soils before the urbanization. The method is suitable for the investigation of the soil resources-changing in the lowland soils area, however is unsuitable in the upland area. On lowland area, in the lately 1970s and early 1980s the Peat soils and Gley soils decreased mainly. In the lately 1980s use of Gray lowland soils tend to increase. The processes of the soil resources-decreasing with the advance of urbanization are estimated to progress as follows ; in lowland farming field Brown lowland soils distributed on natural levee decrease mainly at first stage, area occupied by Peat soil and Gley soils divert from farming to housing and commercial and industrial land use at second stage, decrease in farming field covered with Gray lowland soils tend to increase at last stage.
日本ペドロジー学会の論文
2001-06-30

都市化に伴う農耕地土壌賦存の変容過程 : 1970年後半から80年代埼玉県南東部における農耕地土壌賦存特性に与えた都市化の影響

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