南京浦口区大气负离子的时空特征及其与气象条件的关系

doi:10.11870/cjlyzyyhj201705007

Abstract

Abstract: Spatiotemporal characteristics of negative air ions concentrations and their relationships with meteorological factors in Pukou (Laoshan Forest, Nongzhaung, Pearl Spring, Shiqiaowancheng) were analyzed between Oct 2014 and Oct 2015. The results showed that:(1) The daily average concentration of negative air ions were 688/cm³ in Pukou (Nanjing), the maximum value of 986/cm³ appeared around 21:00; the minimum value of 610 appeared around 12:00; (2) The annual average concentration of negative air ions were 675/cm³ in Pukou (Nanjing), and the largest average concentration was 728/cm³ in summer, while the lowest was 728/cm³ in winter; (3) The negative air ions concentration was the largest in Nongzhuang, while the lowest in Shiqiaowancheng; (4) In different weather conditions, the relationships between negative air ions concentration and meteorological factors were different. In rainy, negative air ions were significantly correlated with precipitation, temperature and relative humidity (P < 0.01). In non-rainy days, negative air ions were significantly correlated with sunshine (P < 0.05).

Key words: negative air ion, concentration variation, spatial distribution, meteorological factors

CLC Number:

LIU Yan, WANG Ye-cheng, WANG Rang-hui, LIU Yuan, YUAN Qi-fei, LI Cheng. SPATIOTEMPORAL CHARACTERISTICS OF NEGATIVE AIR IONS AND ITS RELATIONSHIP WITH METEOROLOGICAL CONDITIONS IN PUKOU, NANJING[J].RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN, 2017, 26(05): 706-712.

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SPATIOTEMPORAL CHARACTERISTICS OF NEGATIVE AIR IONS AND ITS RELATIONSHIP WITH METEOROLOGICAL CONDITIONS IN PUKOU, NANJING

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