城市森林空气负氧离子浓度变化规律研究
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摘要
为探索城市森林环境空气负氧离子水平,2016年9月至2017年8月,采用便携式负离子监测仪对湖南省森林植物园不同林分森林环境空气负氧离子浓度进行了观测,根据获取的资料分析了湖南省森林植物园空气负氧离子的季、月和日变化特征,以及空气负氧离子与气象因子的相关关系。结果表明:湖南省森林植物园负氧离子浓度年平均值为845个·cm~(-3);季变化中,其最大值出现在夏季,平均949个·cm~(-3),最小值出现在冬季,平均440个·cm~(-3);月变化中,其最大值出现在8月,平均1 071个·cm~(-3),最小值出现在1月,平均310个·cm~(-3);在日变化中,上午06:00—07:00空气负氧离子浓度最高,平均1 600个·cm~(-3),中午12:00—13:00最低,平均620个·cm~(-3)。温度与负氧离子浓度表现出正相关,而湿度与负氧离子浓度表现出负相关。针叶林的空气负氧离子浓度要高于阔叶林。
To explore the negative oxygen ion level of urban forest air,the concentration of air negative oxygen ions in different forest types of Hunan Forest Botanical Garden was observed by means of manual observation from June 2016 to May 2017, characteristics of air negative oxygen ions of seasonal, monthly and daily variation in Hunan Forest Botanical Garden were analyzed based on the obtained data. The results showed that the annual average concentration of negative oxygen ions per cm~3 in Hunan Forest Botanical Garden was 845, the maximum concentration of negative oxygen ions was 949 in summer, the minimum concentration of negative oxygen ions was 440 appeared in winter. In monthly variation the maximum concentration of negative oxygen ions per cm~3 was 1 071 appeared in July, the minimum concentration of negative oxygen ions was 310 appeared in January. The concentration of negative oxygen ions per cm~3 was highest in the morning 6:00—7:00 was 1 600, the concentration of negative oxygen ions per cm~3 was lowest at noon 12:00—13:00 was 620.Concentration of negative oxygen ion is positively correlated with temperature while is negatively correlated with humidity,The air negative oxygen ion concentration in coniferous forest was higher than that in broadleaf forest.
To explore the negative oxygen ion level of urban forest air,the concentration of air negative oxygen ions in different forest types of Hunan Forest Botanical Garden was observed by means of manual observation from June 2016 to May 2017, characteristics of air negative oxygen ions of seasonal, monthly and daily variation in Hunan Forest Botanical Garden were analyzed based on the obtained data. The results showed that the annual average concentration of negative oxygen ions per cm~3 in Hunan Forest Botanical Garden was 845, the maximum concentration of negative oxygen ions was 949 in summer, the minimum concentration of negative oxygen ions was 440 appeared in winter. In monthly variation the maximum concentration of negative oxygen ions per cm~3 was 1 071 appeared in July, the minimum concentration of negative oxygen ions was 310 appeared in January. The concentration of negative oxygen ions per cm~3 was highest in the morning 6:00—7:00 was 1 600, the concentration of negative oxygen ions per cm~3 was lowest at noon 12:00—13:00 was 620.Concentration of negative oxygen ion is positively correlated with temperature while is negatively correlated with humidity,The air negative oxygen ion concentration in coniferous forest was higher than that in broadleaf forest.
引文
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[2] 黄桂林,廖成章,马尚宇.全国空气负(氧)离子监测进展[J].森林与人类,2015(9) :212-213.
[3] 桂翰林,任桂林,张秀红.大气负氧离子及其在不同环境中的变化规律[J].黑龙江气象,2018,35(1):18-19.
[4] 王向华,高建云.空气负离子中的物理机制[J].现代物理知识,2007(4) :18-20.
[5] 陈兵红,应俊辉,靳全锋.丽水市空气负氧离子分布特征及影响因素[J].浙江农业科学,2018(8):1444-1448.
[6] 丰一鸣.城市生态系统不同生境空气负氧离子浓度时空特征[D] .呼和浩特:内蒙古农业大学,2017.
[7] 何张齐,刘其闯,林玲春,等.城区空气负氧离子日变化及其与环境、气象因子的相关性研究[J] .安徽农业科学,2015(28) :260-262.
[8] 谢江,张勇波,陈国云,等.橡胶林与其他环境类型间负氧离子水平的比较研究[J] .西北林学院学报,2018,35(4):78-82.
[9] 赵宝鑫,荣海.香溪洞公园主要林分生长季负氧离子及PM2.5浓度日变化特征研究[J].陕西林业科技,2017,44(12):7-10.
[10] 王玉龙.太宽河自然保护区森林负氧离子浓度日变化规律研究[J] .山西林业科技,2017,36(4) :11-14
[11] 周德平,佟维华,温日红,等.闾山国家级森林公园负氧离子观测及其空气质量分析[J] .干旱区资源与环境,2015(3) :181-187.
[12] 吕国红,贾庆宇,王笑影,等.芦苇湿地大气负氧离子变化特征及影响分析[J].环境科学与技术,2018(S1):78-82.
[13] 霍妍,孙会敏.大黑山水土保持生态修复区典型植被空气负氧离子监测与评价[J].西部资源,2012(6) :86-88.
[14] 王恩瑞,郭琴,张志勇,等.兰州市南北两山人工林对空气负氧离子浓度的影响研究[J].甘肃林业科技,2015(4):34-40.
[15] 金琪,严婧,杨志彪,等.湖北春季大气负氧离子浓度分布特征及与环境因子的关系[J] .气象科技,2015,37(4) :728-733.
[16 ] 何宁,林明丽,赵红云,等.湘潭负氧离子浓度变化与气象要素的相关分析[J] .贵州气象,2016(2) :65-69.
[17] 丁丽华,顾振海,吴丹.开化县负氧离子浓度预测模型的建立[J] .浙江农业科学,2017(11) :1957-1960.
[18] 赵蕾,吴坤悌,陈明.海南省主要景区负氧离子浓度分布及预报方程研究[J].安徽农业科学,2016,44(29):189-191.
[19] 王宝,解福燕,张自祥,等.玉溪空气负氧离子预测模型的建立[J] .高原气象,2015(1):251-257.
[20] 顾小丽,钱燕珍,鲍岳建,等.宁波市负氧离子浓度分布与预测模型及其在旅游气象中的应用[J] .气象与环境学报,2013,40(6) :128-133.
[21] 丛菁,孙立娟.大连市负氧离子浓度分布及预测模型的建立[J] .气象与环境学报,2010,37(4) :44-47.
[22] 严婧,金琪.湖北空气负氧离子浓度等级划分及适应性研究 [J] .环境科学与技术,2017(5) :194-199.
[23] Shalnov GA.Air ionization and its effects on the immune system of man [J].Biol Radioecal,1994,34:391-397.
[24] Ryushi T,Kita I,Sauria T.The effect of exposure to negative air ions on the recovery of physiological response after moderate enhance exercise [J].Int J Biometeorology,1998,41(3):132-136.
[25] B.R.Jovani and S.B.Jovani.The effect of high concentration of negative ions in the air on the chlorophyll content in plant leaves [J].Water,Ai,& Soil Pollution,2001,129:259-265.
[26] 胡译文,杨军.城市森林保健功能研究进展[J].中国城市林业,2012,10(5):18-20.
[27] 肖红燕,谭益民,汤炎.湖南省森林植物园空气负离子浓度变化[J].中南林业科技大学学报,2014,35(5):91-95.
[28] 杨云芸,李跃清,周慧,等.长沙市API指数时空变化特征及气象条件影响[J] .气象与环境科学,2017,40(1):108-113
[29] 吴楚材,黄绳纪.桃源洞国家森林公园的空气负离子含量及评价[J] .中南林学院学报,1995,15(1):9-12.
[30] 李高阳,毛彦哲,赵辉,等.4种林分类型空气负离子浓度日变化规律[J].山西农业科学,2012,40(6):661- 663.
[31] 张水生.5 种阔叶树种群落空气负离子特征研究[J] .西南林业大学学报,2014,34(4):82-85.
[32] 陈佳赢.城市森林小气候效应的研究—以上海市浦东外环林带为例[D].上海:华东师范大学,2006:74-75.