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Research on Effect of Reducing Temperature and Increasing Humidity of 15 Greenery Trees in Kunming City(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2015年13
Page:
76-80
Research Field:
Publishing date:

Info

Title:
Research on Effect of Reducing Temperature and Increasing Humidity of 15 Greenery Trees in Kunming City
Author(s):
FENG Chengcheng1; JIANG Yonglei1; TANG Tan1; LI Taibing2; HUANG Xiaoxia1
1.Institute of Landscape Architecture，Southwest Forestry University，Kunming,Yunnan 650224；2.Sichuan Institute of Forestry，Chengdu，Sichuan 610081
Keywords:
Kunming city; road green space; greening tree species; reducing temperature and increasing air humidity
PACS:
S 684
DOI:
10.11937/bfyy.201513023
Abstract:
Taking 15 common greenery trees in four main roads of Kunming city as the experiment materials，through the field investigation and measurement，their effect of reducing temperature and increasing humidity were analyzed and compared.The results showed that the reducing temperature and increasing humidity capacities were very difference in different tree species，and the Cinnamomum glanduliferum was reached the best effect among the 15 tree species.Its amount of release water was reached by 1 195.56 g/m2 per day，and the reducing temperature degree was 0.22℃ per day；The Hedera nepalensis’reducing temperature effect reached the lowest degree，which was only 0.09℃ per day；And the amount of release water of Magnolia grandiflora only reached 505.44 g/m2 per day；the reducing temperature and increasing humidity capacity was varied significantly for different species in the same road，also for the same species in different roads.The order of the reducing temperature effect of these 15 species were as follows：Cinnamomum glanduliferum (0.22℃)>Cinnamomum camphora (0.21℃)>Cinnamomum pedunculatum (0.157℃)>Ligustrum quihoui (0.15℃)> Prunus cerasifera (0.14℃)> Photinia serrulata (0.13℃)> Celtis kunmingensis (0.12℃)> Ginkgo biloba (0.118℃)>Fatsia japonica (0.11℃)>Ficus concinna(0.10℃)> Hedera nepalensis (0.09℃).However，the reducing temperature effect reached about 0.09℃ among the Rhododendron simsii，Magnolia grandiflora, Camellia sasanqua and Camellia japonica，which had little difference.The order of the increasing humidity effects of these 15 species were as follows：Cinnamomum glanduliferum(1 195.56 g/m2)>Cinnamomum camphora(1 086.39 g/m2)>Prunus cerasifera(749.16 g/m2)> Ligustrum quihoui (743.31 g/m2)>Cinnamomum japonicum (726.66 g/m2)>Photinia serrulata (698.94 g/m2)> Celtis kunmingensis (664.56 g/m2)> Fatsia japonica (623.52 g/m2)>Ginkgo biloba(617.58 g/m2)>Rhododendron simsii(586.98 g/m2)>Ficus concinna (580.02 g/m2)>Camellia sasanqua (539.46 g/m2)>Camellia japonica（524.70 g/m2)>Hedera nepalensis(506.52 g/m2)> Magnolia grandiflora (505.44 g/m2).On the whole，the reducing temperature and increasing humidity capacity of these species were as follows：Evergreen trees>Deciduous trees>shrubs.In conclusion，the species with higher reducing temperature and increasing humidity capacity，such as evergreen trees，were maily supposed to choose，in order to beautify the environment and increase the reducing temperature and increasing humidity effect significantly.

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Last Update: 2015-08-21