|Table of Contents|

Study on the Survival Environment of Roof Greening Plants in Chengdu(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2014年14期
Page:
73-78
Research Field:
Publishing date:

Info

Title:
Study on the Survival Environment of Roof Greening Plants in Chengdu
Author(s):
HUANG RuiDONG Liang
School of Architecture,Southwest Jiaotong University,Chengdu,Sichuan 610031
Keywords:
roof greeningclimate factorsoil factorquantitative analysisChengdu
PACS:
TU 985
DOI:
-
Abstract:
The environmental factors including the climate and soil have a great influence on the existence of plants and thus become the key point to the roof greening.Based on the annual meteorological data of ground and upper air during 1981~2010 in Chengdu area,this paper applied the literature analysis and quantitative calculation to quantitatively study the abiotic environment of roof greening including the sun light,wind speed,rainfall,temperature and soil in Chengdu.The results showed that in the altitude between the ground and 400 m high,the wind was often at the speed of 0.9~3.1 m/s,belonging to the breeze;as the phenomena of urban heat island and temperature inversion co-exist,the vertical variations of the temperature were complicated,with the monthly average extreme temperature of the altitude of 470 m changing in the range of -4.4~37.2℃ while that of the ground changing little;the yearly average accumulated sunshine duration was 1 003 h and the monthly average percentage of sunshine for years in succession was 21.9%,so the sunshine duration was short and the percentage of sunshine low;the yearly average total precipitation was 850.9 mm,so the precipitation was abundant;the green medium was often the natural garden soil or improved soil and the soil thickness was lower than the recommended in the design,but the plants appear to grow well.So the environment conditions of roof suitable for planting in Chengdu.

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Last Update: 2014-08-07