The relation between openness/compactness and scale of green coverage of non-built-up area and the characteristic feature of their distribution on Nagoya blocks

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  • 名古屋市における街区ごとに見る非建蔽地の開放性・単純性と緑被規模の関係と分布の特徴
  • ナゴヤシ ニ オケル ガイク ゴト ニ ミル ヒケンヘイチ ノ カイホウセイ ・ タンジュンセイ ト リョク ヒキボ ノ カンケイ ト ブンプ ノ トクチョウ

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Abstract

Two new indices are introduced which express the property of the shape of non-built-up area in a city block – openness index for blocks where trees are available (the block non-built-up area openness index), and block compact ratio. By using those new indices the contribution of scale and shape of non-built-up area to amount of green is analyzed for many land uses. The result shows that blocks with land uses positive to greening have open/compact shape, which contributes to the large green coverage. On the other hand, for blocks with land uses including many buildings, various block shapes exist. The analysis there shows that the openness/compactness of block shape does not directly contribute to the scale of green coverage.

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