Eight Rivers,Five Canals,Moat and Walls,Six Ridges: Three-dimensional Sponge System for Ancient Xi'an City
Su Yi
Bai Yun
Wang Sisi
Chen Danliang
Liu Pengfei
Abstract：This article firstly introduces four main sponge elements of ancient Xi'an city: 8 rivers( 8 main rivers around urban area), 5 canals (5 important canals dug in Tang dynasty),moat (city moat and wall or palace river and square wall), 6 Yao(6 high earth slopes).Then combined with archaeological and textual records , this paper explains how these sponge elements work in groundwater supplying ,rainwater storing and regulating ,rain and flood cleaning , waterlogging eliminating under the special geographical conditions of ancient Xi'an city. At last the paper concludes the three-dimensional character of these sponge elements, presents their reference for today's sponge city construction, proposes protection as well as utilization for sponge methods heritage of Xi'an city.
Keywords：ancient Xi'an cityeight riversfive canalsmoat and walssix ridgesthree-dimensional
Publication Date：2017-01-01
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：6( 26-31 )