工业园区大气污染过程与气象风场响应关系研究

doi:10.3969/j.issn.1673-503X.2022.01.004

Abstract

Abstract:

In this study, a grid monitoring system of air pollutants was built in the Tianjin airport industrial zone.Based on the control variable method and Moran's I study, a method system for establishing the relationship between the air pollution process and meteorological wind field response was formed.The results show that the major pollutants in the industrial park are PM_2.5, NO₂, PM₁₀, and O₃.SSW wind, ENE wind, and SE wind have a great influence on the transport of high concentration PM_2.5, NO₂, O₃, and PM₁₀, respectively.In addition to the local emissions, the south-southwest emissions of the airport outside the district have a greater impact on PM_2.5.Road moving sources such as Jinhan highway and Toray Lake road in the east-northeast direction of the outside of the industrial park have a great influence on NO₂.O₃ and PM₁₀ are greatly influenced by the moving sources in the Jinbin highway, Ningjing highway, and Jinbei highway in the southeast direction of the outside of the industrial park and the southeast section of the airport.In terms of the convergence zone of airflow of the inside of the industrial park on September 23, the 1# should reinforce the coordinated controlling of PM_2.5, NO₂, and PM₁₀ and the 2# should focus on the controlling of NO₂ at 09:00 on September 23, 2019.Furthermore, the northwest extension zone of the 3# and the north extension zone of the 5# should pay attention to the controlling of O₃.The central, west, east, and southeast sections of the industrial park should enhance the synergetic controlling of PM_2.5, O₃, and NO₂ at 15:00 on September 23, 2019.14# should enhance the coordinated controlling of PM_2.5 and O₃, while 17# and 18# should focus on controlling PM₁₀ at 21:00 on September 23, 2019.

Key words: Grid monitoring, Industrial park, Meteorological wind field, Response relationship, Coordinated control

CLC Number:

An-ke GUO,Xiao-ge YIN,Zhi-min WANG,Zhi-qiang LI,Zhe LI,Ji ZHANG,Lu CHEN,Hao-yun HUANG. A study on the response relationship between air pollution process and meteorological wind field in an industrial park[J]. Journal of Meteorology and Environment, 2022, 38(1): 23-32.

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References 26

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集成传感器类型	监测指标	测量范围	分辨率
PM_2.5/PM₁₀传感器(RK-AQM-PM_2.5)	PM_2.5/PM₁₀/(μg·m^-3)	0—1000	0.1
SO₂传感器(RK-AQM-SO₂)	SO₂/(μg·m^-3)	0—2860	2.86
O₃传感器(RK-AQM-O₃)	O₃/(μg·m^-3)	0—1071	2.143
NO₂传感器(RK-AQM-NO₂)	NO₂/(μg·m^-3)	0—513	2.054
CO传感器(RK-AQM-CO)	CO/(mg·m^-3)	0—12.5	0.0125
风向传感器(RK-AQM-A-S23)	风向/°	0—359	1
风速传感器(RK-AQM-A-S23)	风速/(m·s^-1)	0—40	0.1
温度传感器(RK-AQM-A-S24)	温度/℃	-40~80	0.1
相对湿度传感器(RK-AQM-A-S24)	相对湿度/(%)	0—99	0.1

Moran′s I取值	含义
(0, 1]	所有地区的属性值在空间上有正相关性
0	地区随机分布，无空间相关性
[-1, 0)	所有地区的属性值在空间上有负相关性

09时	气流辐合区	Moran′s I值
I(PM_2.5)	1#	0.834
	2#	0.314
	3#	0.332
I(NO₂)	1#	0.823
	2#	0.833
	4#东南延长带	0.510
I(O₃)	3#西北延长带	0.987
	4#与6#西北延长带交汇处	0.456
	5#北向延长带	0.882
I(PM₁₀)	1#	0.834
	2#	0.196
	3#	0.148

15时	气流辐合区	Moran′s I值
I(PM_2.5)	7#	0.942
	8#	0.691
	9#东北延长带	0.168
	10#北向延长带	0.765
	11#南向延长带	0.579
I(NO₂)	7#南向延长带	0.942
I(O₃)	8#西北向延长带	0.562
	9#西向延长带	0.730
	11#西南延长带	0.967
	10#	0.117
I(PM₁₀)	10#北向延长带	0.104

21时	气流辐合区	Moran′s I值
I(PM_2.5)	14#南向延长带	0.952
I(PM_2.5)	19#	0.873
I(NO₂)	14#南向延长带	0.347
	15#东南延长带	0.297
	16#北向延长带	0.417
	18#南向延长带	0.066
I(O₃)	14#东南延长带与18#交汇处	0.905
I(O₃)	16#南向延长带与17#及18#交汇处	0.595
I(PM₁₀)	14#南向延长带	0.334
	17#	0.817
	18#	0.767
	19#	0.594

A study on the response relationship between air pollution process and meteorological wind field in an industrial park

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