A STUDY ON APPLICATION OF GIS FOR MAPPING “YATO” UNIT

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  • GISを活用した谷戸の基礎的単位の抽出手法に関する研究
  • GISを活用した谷戸の基礎的単位の抽出手法に関する研究 : 横浜市を事例に
  • GIS オ カツヨウ シタ タニド ノ キソテキ タンイ ノ チュウシュツ シュホウ ニ カンスル ケンキュウ : ヨコハマシ オ ジレイ ニ
  • A STUDY ON APPLICATION OF GIS FOR MAPPING ^|^ldquo;YATO^|^rdquo; UNIT
  • A study on application of GIS for mapping “YATO” unit: In case of Yokohama
  • In case of Yokohama
  • －横浜市を事例に－

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Abstract

“Yato” is a landscape unit that is horseshoe-shaped flatland surrounded by the hill in three directions. In the hilly cities, such as Yokohama, many Yatos can be seen. Some previous researches mention about the importance of Yato from the perspective of ecological, hydrological, thermal environmental and social aspects. This study aims to developing the method for making Yato map by using GIS and DEM, and also classifying all Yatos based on the land use in Yokohama. By comparing previous researches, it becomes clear that this method is suite for making Yato map. Actually, Yato map is made in Yokohama and 4657 Yatos are extracted. It was also found that about 50% of all Yatos are already developed as low-rise residential areas, and about 30% are still undeveloped, by overlaying Yato map and land use map. Evaluating each Yatos from the perspective of natural and social environments will be needed as a future work.

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