Spatial Distribution of Biogenic Volatile Organic Compounds Emission Rate in Hohhot Region during Summer

doi:10.16258/j.cnki.1674-5906.2024.12.008

Ecology and Environment ›› 2024, Vol. 33 ›› Issue (12): 1902-1913.DOI: 10.16258/j.cnki.1674-5906.2024.12.008

• Research Article [Environmental Science] • Previous Articles Next Articles

Spatial Distribution of Biogenic Volatile Organic Compounds Emission Rate in Hohhot Region during Summer

GAO Xingxing¹(), BAO Hai¹^,²^,^*(), DING Yanxu¹

1. College of Chemistry and Environment Science, Inner Mongolia Normal University, Hohhot 010022, P. R. China
2. Inner Mongolia Key Laboratory of Environmental Chemistry, Hohhot 010022, P. R. China

Received:2024-09-21 Online:2024-12-18 Published:2024-12-31
Contact: BAO Hai

夏季呼和浩特市生物源挥发性有机物排放速率空间分布

高星星¹(), 包海¹^,²^,^*(), 丁艳旭¹

1.内蒙古师范大学化学与环境科学学院，内蒙古呼和浩特 010022
2.内蒙古自治区环境化学重点实验室，内蒙古呼和浩特 010022

通讯作者: 包海
作者简介:高星星（1996年生），女，硕士研究生，主要从事生物源挥发性有机物的研究。E-mail: 3362406706@qq.com
基金资助:
国家自然科学基金项目(22266024);内蒙古自然科学基金项目(2022MS02003)

Abstract

Abstract:

To determine the spatial distribution characteristics of biogenic volatile organic compound (BVOCs) emission rates in Hohhot, 13 dominant tree species were selected for qualitative and quantitative analyses using dynamic box sampling combined with ATD-GC/MS. The standard emission rates of the BVOCs were then calculated. Sentinel-2 remote sensing data for the Hohhot region were obtained, and vegetation was classified using an SVM classifier and the vegetation NDVI index. Subsequently, the biomass of forests and grasslands in the Hohhot region was estimated using a fitting model that linked the LAI, NDVI, and aboveground biomass (AGB). A spatial distribution map of the BVOCs emission rates under standard conditions (T: 303 K, PAR: 1000 μmol∙m⁻²∙s⁻¹) was created. The results showed that the standard emission rate of BVOCs in Hohhot during summer was 4.65×10⁵ g∙km⁻²∙h⁻¹. The spatial distribution characteristics were as follows: higher isoprene emission rates were observed on the west and northeast sides of Tumod Left Banner, east side of Helinger County, and northeast side of Qingshuihe County, whereas lower emission rates were observed in Wuchuan County, southwest Helinger County, and southwest Qingshuihe County. Similarly, higher monoterpene emission rates were identified on the west and northeast sides of Tumod Left Banner, south side of Wuchuan County, and northeast side of Xincheng District in Hohhot; lower rates were observed in Wuchuan County, west to southeast Helinger County, and west to south Qingshuihe County. Overall, the BVOCs emission rates in Hohhot were higher in the north and east, and lower in the south and west. These findings provide significant scientific evidence for the accurate assessment of ozone pollution in Hohhot during summer.

Key words: Hohhot City, BVOCs, emission rate, biomass, GIS, space distribution

摘要：

为揭示呼和浩特市生物源挥发性有机物（Biogenic Volatile Organic Compounds，BVOCs）排放速率的空间分布特征，选择13种优势树种采用动态箱采样技术-ATD-GC/MS法定性定量分析并计算了BVOCs标准排放速率；获取呼和浩特市区域Sentinel-2遥感数据，使用SVM分类器以及植被NDVI指数，对植被进行分类，再利用LAI、NDVI和植被地上生物量（Aboveground Biomass，AGB）之间拟合模型估算了呼和浩特市区域林地和草地的生物量，绘制了标准状态下（T：303 K，PAR：1000 μmol∙m⁻²∙s⁻¹）BVOCs排放速率的空间分布图，结果表明：夏季呼和浩特市BVOCs标准排放速率为4.65×10⁵ g∙km⁻²∙h⁻¹；其空间分布特征为土默特左旗西侧及东北侧、和林格尔县东侧和清水河县东北侧为异戊二烯排放速率较高的区域，而武川县、和林格尔县西南和清水河县西南为排放速率较低的区域；土默特左旗西侧及东北侧、武川县南侧以及呼和浩特市新城区东北侧为单萜烯排速率较高的区域，而武川县、和林格尔县西边至东南以及清水河县西边至南边为排放速率较低的区域；呼和浩特市BVOCs排放速率整体呈现出北高南低、东高西低的特征。该结果将为准确评估夏季呼和浩特市臭氧污染提供重要的科学依据。

关键词: 呼和浩特市, 生物源挥发性有机物, 排放速率, 生物量, GIS, 空间分布

CLC Number:

X703.5

GAO Xingxing, BAO Hai, DING Yanxu. Spatial Distribution of Biogenic Volatile Organic Compounds Emission Rate in Hohhot Region during Summer[J]. Ecology and Environment, 2024, 33(12): 1902-1913.

高星星, 包海, 丁艳旭. 夏季呼和浩特市生物源挥发性有机物排放速率空间分布[J]. 生态环境学报, 2024, 33(12): 1902-1913.

Figures/Tables 14

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项目	建筑用地	水域	落叶植被	常绿植被
水域	1.900
落叶植被	1.838	2.000
常绿植被	2.000	2.000	1.875
未利用地	1.861	2.000	2.000	1.873

项目	建筑用地	水域	落叶植被	常绿植被
水域	1.900
落叶植被	1.838	2.000
常绿植被	2.000	2.000	1.875
未利用地	1.861	2.000	2.000	1.873

建筑用地	生产者精度/%	用户精度/%
水域	90.41	98.51
落叶植被	88.14	82.72
常绿植被	91.78	98.53
未利用地	83.67	97.62

建筑用地	生产者精度/%	用户精度/%
水域	90.41	98.51
落叶植被	88.14	82.72
常绿植被	91.78	98.53
未利用地	83.67	97.62

地点	时间	树种	BVOCs排放速率/(µg∙g⁻¹∙h⁻¹)		样本数
地点	时间	树种	异戊二烯	单萜烯*	样本数
呼和浩特市满都海公园	20180825－20180827	紫丁香 Syringa oblata Lindl	0.01－0.02	0.27－7.50	72
	20180825－20180827	杜松 Juniperus rigida	0.01－0.03	0.11－4.76	72
	20180828－20180830	杨柳 Salix babylonica Linn.	0.01－0.03	0.01－1.56	72
	20180828－20180830	中国槐 Styphnolobium japonicum	0.01－0.10	0.11－3.63	72
内蒙古师范大学赛罕校区校园	20190902－20190904	油松 Pinus tabulaeformis	0.01－0.16	0.01－0.47	72
	20190905－20190907	白皮松 Pinus bengeana	0.09－0.48	0.06－0.48	72
	20200902－20200904	油松 Pinus tabulaeformis	0.02－0.19	0.01－0.62	72
	20200902－20200904	云杉 Picea asperata	0.01－0.16	0.02－0.54	72
	20210805－20210807	新疆杨 populus bolleana	10.20－479.34	5.86－5.44	72
	20210805－20210807	杏树 Prunus armeniaca	1.55－545.81	6.56－45.45	72
内蒙古师范大学盛乐校区校园	20200911－20200914	圆柏 Sabina chinensis	0.01－0.02	0.05－0.14	72
内蒙古师范大学盛乐校区校园	20200916－20200918	白桦树 Betula platyphylla Suk.	0.02－0.63	0.01－1.31	72
呼和浩特市树木园	20210811－20210813	落叶松 Larix gmelinii	1.38－17.59	3.98－33.80	72
呼和浩特市树木园	20210811－20210813	榆树 Ulmus	3.04－271.59	2.40－17.57	72
内蒙古呼伦贝尔陈巴尔虎草原	20190728－20190730	羊草 Leymus chinensis	1.10－46.10	0.106－2.21	72
内蒙古呼伦贝尔陈巴尔虎草原	20190801－20190803	大针茅 Stipa grandis	47.39－205.00	0.09－5.98	72
内蒙古呼伦贝尔鄂温克草原	20190808－20190810	羊草 Leymus chinensis	37.36－282.30	8.93－438.33	144
	20200725－20200727	羊草 Leymus chinensis	37.36－282.30	8.93－438.33	144
	20200725－20200727	大针茅 Stipa grandis	35.91－317.39	6.07－414.54	72
内蒙古呼伦贝尔额尔古纳草原	20200804－20200806	羊草 Leymus chinensis	6.06－100.50	19.47－520.94	72
	20200804－20200806	大针茅 Stipa grandis	0.17－50.81	6.15－97.36	72

Spatial Distribution of Biogenic Volatile Organic Compounds Emission Rate in Hohhot Region during Summer

夏季呼和浩特市生物源挥发性有机物排放速率空间分布

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项目	树种	BVOCs排放速率/(µg∙g⁻¹∙h⁻¹)				样本数
		异戊二烯		单萜烯^*
		测定值	修正值	测定值	修正值
阔叶树	杨柳 Salix babylonica Linn.	0.01－0.03	0.02－0.05	0.01－1.56	0.01－1.59	72
	中国槐 Styphnolobium japonicum	0.01－0.10	0.02－0.16	0.11－3.63	0.13－4.30	72
	紫丁香 Syringa oblata Lindl	0.01－0.02	0.05－0.10	0.27－7.50	0.28－7.75	72
	白桦树 Betula platyphylla Suk.	0.02－0.63	0.02－0.63	0.01－1.31	0.01－1.31	72
	新疆杨 Populus bolleana	10.20－479.34	7.16－336.67	5.86－25.44	7.66－33.27	72
	榆树 Ulmus	3.04－271.59	1.01－90.34	2.40－17.57	5.19－38.03	72
	杏树 Prunus armeniaca	1.55－545.81	1.38－485.51	6.56－45.45	6.63－45.91	72
针叶树	油松 Pinus tabulaeformis	0.01－0.16	0.01－0.06	0.01－0.47	0.02－1.48	72
	落叶松 Larix gmelinii	1.38－17.59	0.07－9.86	3.98－33.80	6.19－52.56	72
	白皮松 Pinus bengeana	0.09－0.48	0.09－0.48	0.06－0.48	0.06－0.48	72
	圆柏 Sabina chinensis	0.01－0.02	0.01－0.01	0.05－0.14	0.09－0.26	72
	云杉 Picea asperata	0.01－0.16	0.00－0.03	0.02－0.54	0.07－1.85	72
	杜松 Juniperus rigida	0.01－0.03	0.04－0.12	0.11－4.76	0.12－5.01	72

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地点	时间	树种	温度/℃		PAR/(μmol∙m⁻²∙s⁻¹)		相对湿度/%
地点	时间	树种	箱内	箱外	箱内	箱外	箱内	箱外
呼和浩特市满都海公园	20180825－20180827	紫丁香 Syringa oblata Lindl	22.60	21.36	13.24	49.09	77.05	65.17
			24.65	23.49	54.37	79.47	67.57	59.86
			27.86	29.96	14.20	346.17	56.56	50.69
			27.37	26.23	9.39	26.84	61.03	52.14
		杜松 Juniperus rigida	22.33	21.36	25.56	49.09	71.72	65.17
			25.94	23.49	33.72	79.47	69.24	59.86
			28.15	29.96	28.74	346.17	62.88	50.69
			26.93	26.23	18.36	26.84	67.33	52.14
	20180828－20180830	杨柳 Salix babylonica Linn.	21.29	19.88	22.14	77.04	74.25	57.37
			24.11	26.55	93.78	555.66	68.11	32.81
			36.77	32.21	623.28	1144.5	28.93	40.11
			29.62	32.41	42.92	440.76	42.57	20.95
		中国槐 Styphnolobium japonicum	21.14	19.88	24.96	77.04	73.37	57.37
			26.26	26.55	115.50	555.66	51.74	32.81
			36.06	32.21	308.76	1144.5	38.17	40.11
			35.14	32.41	222.72	440.76	44.94	20.95
内蒙古师范大学赛罕校区校园	20190905－20190907	白皮松 Pinus bengeana	23.39	21.15	97.92	65.29	71.25	51.41
			34.17	22.80	310.50	506.89	65.59	62.95
			32.12	22.75	87.02	212.71	46.86	49.28
			28.90	24.62	53.82	265.44	40.89	43.11
	20200902－20200904	油松 Pinus tabulaeformis	38.24	18.92	1148.08	1370.35	36.79	37.48
			32.90	19.87	735.26	854.93	49.56	38.20
			25.58	20.91	166.52	218.61	64.68	39.09
			22.63	20.86	66.20	102.63	65.51	41.63
		云杉 Picea asperata	35.16	18.92	1004.52	1370.35	35.80	37.48
			33.22	19.87	1347.85	854.93	23.15	38.20
			35.96	20.91	599.05	218.61	18.06	39.09
			31.05	20.86	342.22	102.63	22.55	41.63
	20210805－20210807	新疆杨 Populus bolleana	26.87	23.70	530.58	229.45	75.77	55.16
			34.62	29.73	701.58	460.67	64.05	28.72
			44.51	42.59	760.68	862.07	64.04	14.59
			39.06	37.12	352.32	182.16	45.81	17.26
		杏树 Prunus armeniaca	25.68	23.70	530.58	229.45	76.10	55.16
			33.44	29.73	701.58	460.67	69.90	28.72
			39.14	42.59	760.68	862.07	54.28	14.59
			35.33	37.12	352.32	182.16	55.02	17.26
内蒙古师范大学的盛乐校区校园	20200911－20200914	圆柏 Sabina chinensis	18.87	20.07	48.62	860.44	74.07	46.14
			25.89	23.61	374.73	822.94	64.69	34.69
			43.32	27.45	520.30	607.42	34.96	23.75

地点	时间	树种	温度/℃		PAR/(μmol∙m⁻²∙s⁻¹)		相对湿度/%
地点	时间	树种	箱内	箱外	箱内	箱外	箱内	箱外
呼和浩特市满都海公园	20180825－20180827	紫丁香 Syringa oblata Lindl	22.60	21.36	13.24	49.09	77.05	65.17
			24.65	23.49	54.37	79.47	67.57	59.86
			27.86	29.96	14.20	346.17	56.56	50.69
			27.37	26.23	9.39	26.84	61.03	52.14
		杜松 Juniperus rigida	22.33	21.36	25.56	49.09	71.72	65.17
			25.94	23.49	33.72	79.47	69.24	59.86
			28.15	29.96	28.74	346.17	62.88	50.69
			26.93	26.23	18.36	26.84	67.33	52.14
	20180828－20180830	杨柳 Salix babylonica Linn.	21.29	19.88	22.14	77.04	74.25	57.37
			24.11	26.55	93.78	555.66	68.11	32.81
			36.77	32.21	623.28	1144.5	28.93	40.11
			29.62	32.41	42.92	440.76	42.57	20.95
		中国槐 Styphnolobium japonicum	21.14	19.88	24.96	77.04	73.37	57.37
			26.26	26.55	115.50	555.66	51.74	32.81
			36.06	32.21	308.76	1144.5	38.17	40.11
			35.14	32.41	222.72	440.76	44.94	20.95
内蒙古师范大学赛罕校区校园	20190905－20190907	白皮松 Pinus bengeana	23.39	21.15	97.92	65.29	71.25	51.41
			34.17	22.80	310.50	506.89	65.59	62.95
			32.12	22.75	87.02	212.71	46.86	49.28
			28.90	24.62	53.82	265.44	40.89	43.11
	20200902－20200904	油松 Pinus tabulaeformis	38.24	18.92	1148.08	1370.35	36.79	37.48
			32.90	19.87	735.26	854.93	49.56	38.20
			25.58	20.91	166.52	218.61	64.68	39.09
			22.63	20.86	66.20	102.63	65.51	41.63
		云杉 Picea asperata	35.16	18.92	1004.52	1370.35	35.80	37.48
			33.22	19.87	1347.85	854.93	23.15	38.20
			35.96	20.91	599.05	218.61	18.06	39.09
			31.05	20.86	342.22	102.63	22.55	41.63
	20210805－20210807	新疆杨 Populus bolleana	26.87	23.70	530.58	229.45	75.77	55.16
			34.62	29.73	701.58	460.67	64.05	28.72
			44.51	42.59	760.68	862.07	64.04	14.59
			39.06	37.12	352.32	182.16	45.81	17.26
		杏树 Prunus armeniaca	25.68	23.70	530.58	229.45	76.10	55.16
			33.44	29.73	701.58	460.67	69.90	28.72
			39.14	42.59	760.68	862.07	54.28	14.59
			35.33	37.12	352.32	182.16	55.02	17.26
内蒙古师范大学的盛乐校区校园	20200911－20200914	圆柏 Sabina chinensis	18.87	20.07	48.62	860.44	74.07	46.14
			25.89	23.61	374.73	822.94	64.69	34.69
			43.32	27.45	520.30	607.42	34.96	23.75