|Table of Contents|

The Foliar Dust Size Characteristics of Greening Trees in Aksu，Northwest China(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2016年10
Page:
63-69
Research Field:
Publishing date:

Info

Title:
The Foliar Dust Size Characteristics of Greening Trees in Aksu，Northwest China
Author(s):
ALIYA?Baidourela1; UMUT?Halik2; DILINUER1
(1.College of Forestry and Horticulture，Xinjiang Agricultural University,Urumqi,Xinjiang 830021；2.College of Resources and Environmental Science，Xinjiang University/Key Laboratory of Oasis Ecology,Urumqi,Xinjiang 830046)
Keywords:
greening trees; dust retained on leaves; natural landing dust; size distribution
PACS:
-
DOI:
10.11937/bfyy.201610017
Abstract:
Urban greening trees could capture the particle matters near to the ground，and these particle matters (dusts in arid area) hard to re-raised，thereby reducing the harm effect to human beings.Therefore,the dust capturing abilities differed between tree species，cause of trees physical characteristics，meteorological effect and human disturbing，etc.11 common trees species in Aksu，Northwest China，were selected to determine their foliar dust and natural landing dist also collected to observe by Microtrac size analyzer.Their particle size distribution were analyzed，PM2.5 and PM10 were selected.Foliar dust and natural landing dust were studied contractively and found out the difference.The results showed that Platanus acerifolia, Populus alba var.pyramidalis，Ulmus densa foliar dust particulates density were high，and had stable dust retaining ability.While，Elaeagnus angustifolia, Pyrus sinkiangensis，Sophora japonica foliar dust particulates density were low.The two high content of PM2.5，PM10 were Elaeagnus angustifolia and Vitis vinefera，containing 0.62%，3.59% of foliar dust specifically.Fine dust particles of natural landing dust had smaller share of the volume fraction，while the fine dust particles of foliage dust had larger share of volume fraction.The middle value of foliar dust particle size followed the descending order，industrial area>transportation hub area>residential area>clear area；the middle value of natural landing dust particle size followed the descending order，clear area>transportation hub area>industrial area>residential area，and there was a visible difference between them.

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Last Update: 2016-07-11