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当前位置: 首页 > 文章 > 丽水市空气负离子浓度分布的时空特征及其影响因素 园林 2020 (6) 76-81
Position: Home > Articles > Spatial-Temporal Characteristics and Influencing Factors of Air Negative Ion Concentration Distribution in Lishui City Garden 2020 (6) 76-81

丽水市空气负离子浓度分布的时空特征及其影响因素

作  者：
许鸣;张建国;葛扬
单  位：
关键词：
空气负离子浓度;时空分布特征;影响因素;发展建议;丽水市
摘  要：
空气负离子浓度分析与评价结果可以为生态养生旅游开发提供科学依据。选取丽水市的9个县市区13个旅游景点的3年空气负离子监测数据,来分析和评价丽水市的空气负离子浓度分布特征及其影响因素。结果表明,(1)全市大气负离子浓度年平均值2 550.4个/cm~3,高于空气清新度指数等级1级水平,处于极好水平,极有利于人体健康。(2)从空间分布来看,整体上呈现出由中心城区向远郊逐步提高,西高东低、北高南低的趋势。最高值在庆元县巾子峰国家森林公园(3 677.2个/cm~3);最低值在白云山国家森林公园(1 161.4个/cm~3);最低的4个测点均位于中心城区。(3)各月的空气负离子浓度的平均值均超过空气清新度指标的1级水平,对健康极为有利。总体上来看,上半年高于下半年,最高值为6月(2 720.6个/cm~3),最低值为11月(2 430.6个/cm~3)。(4)空气负离子浓度值与温度呈负相关,与适度、日照时数呈正相关。在此基础上,提出了切实保护好森林植被和水体资源,逐步提升建成区生态环境质量和科学利用空气负离子资源发展养生旅游等发展建议。
译  名：
Spatial-Temporal Characteristics and Influencing Factors of Air Negative Ion Concentration Distribution in Lishui City
作  者：
XU Ming;ZHANG Jianguo;GE Yang;
关键词：
air anion concentration;;spatial-temporal distribution characteristics;;influencing factors;;development suggestions;;Lishui
摘  要：
Air anion concentration analysis and evaluation results can provide a scientific basis for the development of ecological health tourism.The 3-year monitoring data of air negative ions in 13 tourist attractions in 9 counties and districts of Lishui City were selected to analyze and evaluate the distribution characteristics and influencing factors of air anion in Lishui City.The results show that (1) The annual average value of air anion concentration in the city is 2 550.4/cm~3,which is higher than the level of the air freshness index and is at an excellent standard,which is very beneficial to human health.(2) From the perspective of spatial distribution,the overall trend is to gradually increase from the central urban area to the outer suburbs,and the west is high,and the east is low,and the north is high,and the south is flat.The highest value is in Jinzifeng National Forest Park in Qingyuan County (3 677.2/cm~3);the lowest cost is in Baiyun Mountain National Forest Park (1 161.4/cm~3);the lowest four measurement points located in the central city.(3) The average value of the air anion concentration in each month exceeds the level of the air freshness index,which is hugely beneficial to health.In general,the first half of the year was higher than the second half,with the highest value in June (2 720.6 pieces/cm~3) and the lowest value in November (2 430.6 pieces/cm~3).(4) The air anion concentration value negatively correlated with temperature and positively correlated with moderate and sunshine hours.On this basis,some suggestions put forward to protect forest vegetation effectively and water resources,gradually improve the eco-environmental quality of the built-up area,and scientifically use air anion resources to develop health tourism.

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