soil map

Japanese: soil map(英語表記)soilmap
soil map

...That is, brown forest soil that mainly occurs under deciduous broadleaf forests, alluvial soil with immature soil formation, black soil with a large amount of humus accumulated on the surface of volcanic ash as parent material, red-yellow soil distributed in the warm temperate to subtropical regions with severe weathering and base leaching, podzol where iron and aluminum in the topsoil have leached to the lower layer due to acidic humus accumulated under coniferous forests in the alpine regions north of the Chubu region and in northern Hokkaido in the cold and humid climate. [Takai Yasuo]
[Soil map]
A soil map is a reduced representation of the soil composition on the earth's surface according to a set of conventions (diagrams) so that the types of soil covering the earth's surface and their distribution, such as their relative positions and width, can be understood at a glance. Soil maps vary in scale and units of illustration depending on the purpose of use and the precision of the soil survey, and therefore the amount and quality of information obtained also differs.

*Some of the terminology that mentions "soil map" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…すなわち主として落葉広葉樹林下に生成する褐色森林土,土壌生成が未熟な沖積土壌,火山灰を母材として表層に腐植が多量に集積して暗褐色ないし黒色を呈する黒ボク土,暖帯から亜熱帯に分布して風化が進み塩基の溶脱がはげしい赤黄色土,中部地方以北の高山地帯および北海道北部の低温多湿の針葉樹林下に集積した酸性腐植によって表土中の鉄,アルミニウムが下層に溶脱したポドゾルが分布している。【高井 康雄】
【土壌図soil map】
 土壌図とは,地表をおおっている土壌の種類およびその位置関係や広狭など分布状況が一目瞭然(りようぜん)に理解できるように,一定の約束(図式)にしたがって地表における土壌の構成状態を地図上に縮小表現したものである。土壌図は利用目的や土壌調査の精粗によって縮尺や図示単位が異なり,したがって得られる情報の量や質も異なっている。…

※「soil map」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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