Negative air ions have the effects of clean air and healthcare when reaching a certain concentration.The abundance of negative air ions in tropical forest has become an important tourism resource.The research on the characteristics of Negative Air Ion Concentration(NAIC) and their relation with meteorological elements in tropical rainforest can provide a scientific basis for its development and exploitation.NAIC and meteorological elements(rainfall,wind velocity,air temperature,relative humidity)are determined in the Diaoluoshan Tropical Rainforest.NAIC diurnal variations in different seasons,NAIC seasonal variations,and their relation with meteorological elements are analyzed.Also,the NAIC healthcare functions of Diaoluoshan rainforest are evaluated.The results show that(1)NAIC is the highest in summer,followed by spring and autumn,and the lowest in winter.(2)Diurnal variation curves of spring,summer and autumn are similar to ‘M’,the two peaks appear at about 900-1000 and 1500-1600,respectively,the trough appear at about 1200.Diurnal variation curve of winter is similar to single peak wave,the peak appear at around 1500,the trough 1200-1300.(3)In summer,NAIC and wind velocity are negatively related,NAIC and relative humidity are positively related;in autumn,there is a positive relationship between NAIC and air temperature,relative humidity;no siginficant relationship is found between NAIC and the determined meteorological elements.
SI Tingting
,
LUO Yanju
,
BI Hua
,
ZHAO Zhizhong
,
HUANG Yu
,
ZHANG Zhenlei
. Diurnal and Seasonal Variation Characteristics of NAIC and Their Relation with Meteorological Elements in Diaoluoshan Tropical Rainforest[J]. Forest and Grassland Resources Research, 2015
, 0(4)
: 139
-144
.
DOI: 10.13466/j.cnki.lyzygl.2015.04.024
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