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应用生态学报 ›› 2019, Vol. 30 ›› Issue (10): 3563-3571.doi: 10.13287/j.1001-9332.201910.014

• 研究论文 • 上一篇    下一篇

2012—2016年海淀区气传花粉物候特征及其与气象要素的关系

刘宜纲1,2, 吕世华1,3*, 刘建忠2, 刘文军2, 黄开龙1, 张嘉仪1, 欧阳昱辉4, 李瑛4   

  1. 1成都信息工程大学大气科学学院高原大气与环境四川省重点实验室, 成都 610225;
    2北京市海淀区气象局, 北京 100088;
    3南京信息工程大学气象灾害预报预警与评估协同创新中心, 南京 210044;
    4首都医科大学附属北京同仁医院, 北京 100730
  • 收稿日期:2019-01-23 出版日期:2019-10-20 发布日期:2019-10-20
  • 通讯作者: *E-mail: slu@cuit.edu.cn
  • 作者简介:刘宜纲, 男, 1994年生, 硕士研究生. 主要从事花粉监测及陆面模式模拟研究. E-mail: liuyg123@163.com
  • 基金资助:
    国家自然科学基金项目(81371104)和北京市卫生系统高层次卫生技术人才培养计划项目(2014-3-017)资助

Phenological characteristics of airborne pollen and its relationship with meteorological factors in Haidian District, Beijing, China during the period of 2012-2016

LIU Yi-gang1,2, LYU Shi-hua1,3*, LIU Jian-zhong2, LIU Wen-jun2, HUANG Kai-long1, ZHANG Jia-yi1, OUYANG Yu-hui4, LI Ying4   

  1. 1 Plateau Atmosphere and Environment Key Laboratory of Sichuan Province, College of Atmosphere Sciences, Chengdu University of Information Technology, Chengdu 610225, China;
    2Haidian District Meteorological Bureau, Beijing 100088, China;
    3Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters (CIC-FEMD), Nanjing University of Information Science & Technology, Nanjing 210044, China;
    4Beijing Tongren Hospital, Beijing 100730, China
  • Received:2019-01-23 Online:2019-10-20 Published:2019-10-20
  • Contact: *E-mail: slu@cuit.edu.cn
  • Supported by:
    This work was supported by the National Natural Science Foundation of China (81371104) and the Beijing Heath Bureau Program for High Level Talents (2014-3-017)

摘要: 利用重力沉淀法对2012—2016年海淀区气传花粉种类及含量进行监测,分析海淀区的花粉种类、峰值分布特征和含量变化、以及花粉浓度的不连续变化特征,在此基础上采用集合经验模态分解法对花粉浓度进行多时间尺度分析,并分析了花粉浓度与气象要素之间的关系.结果表明: 研究期间,海淀区的主要气传花粉种类已经发生改变,柏科、杨柳科等木本植物代替草本植物成为含量最多的气传花粉类别;花粉浓度的年内峰值分布并无明显改变;近5年花粉浓度整体呈下降趋势,但橘科等草本植物花粉浓度呈上升趋势;统计时段内,花粉浓度在4月上旬、5月下旬及8月上旬共发生3次不连续变化;花粉浓度存在准2 d、准51 d、准128 d的变化周期;温度对于花粉浓度的影响在各气象要素中占有主导地位,16~18 ℃范围内花粉浓度明显升高;气温的变化对逐日花粉浓度的影响具有一定的滞后性和持续性,通常与滞后2~7 d的花粉浓度相关性较高,日照时数和风速对当天的花粉浓度影响最显著.

Abstract: We monitored the type and content of airborne pollen in Haidian District, Beijing City from 2012 to 2016 by the gravity precipitation method, and analyzed the variety of pollen, peak distribution features and changes of its content, and discontinuous variation of concentration. Multiple time scale analysis was carried out for pollen concentration by the ensemble empirical mode decomposition method (EEMD). The relationship between pollen concentration and meteorological factors was analyzed. The results indicated that during the research period, the main types of airborne pollen changed. Woody plants such as Cupressaceae and Salicaceae instead of herbaceous plants contributed the most content of pollen. There was no significant change of the yearly peak distribution of pollen concentration. The concentration in recent five years reduced, while the concentration of herbaceous plants (such as Scolopacjdae) increased. During the statistics period, pollen concentration showed discontinuous changes in early April, late May and early August. Pollen concentration had the change cycle of quasi 2 d, quasi 51 d and quasi 128 d. Among all meteorological factors, temperature played a dominant role in driving the concentration, which may significantly rise during 16 to 18 ℃. The impact of temperature changes on the daily concentration may be delayed and continuous; it is often highly related to the concentration 2-7 d later. Sunshine duration and wind speed had the most significant impact on daily pollen concentration.