Study on the Absorption Characteristics of Different Types of Water Particles and CDOM in Summer in Taiyuan

doi:10.16258/j.cnki.1674-5906.2021.07.015

Ecology and Environment ›› 2021, Vol. 30 ›› Issue (7): 1455-1469.DOI: 10.16258/j.cnki.1674-5906.2021.07.015

• Research Articles • Previous Articles Next Articles

Study on the Absorption Characteristics of Different Types of Water Particles and CDOM in Summer in Taiyuan

GAO Feng¹(), CHEN Xiaoling²^,^*(), YANG Wenfu³^,⁴, SHI Lijiang¹, WANG Wenwen⁴

1. School of Resources and Environment, Shanxi University of Finance and Economics, Taiyuan 030006, China
2. State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing, Wuhan University, Wuhan 430079, China
3. School of Land Science and Technology, China University of Geosciences, Beijing 10083, China
4. Shanxi Key Laboratory of Resources, Environment and Disaster Monitoring, Shanxi Coal Geology Geophysical Surveying Exploration Institute, Jinzhong 030600, China;

Received:2021-05-12 Online:2021-07-18 Published:2021-10-09
Contact: CHEN Xiaoling

太原市不同类型夏季水体颗粒物与CDOM吸收特性研究

高峰¹(), 陈晓玲²^,^*(), 杨文府³^,⁴, 史利江¹, 汪雯雯⁴

1.山西财经大学资源环境学院,山西太原 030006
2.武汉大学/测绘遥感信息工程国家重点实验室,湖北武汉 430079
3.中国地质大学土地科学技术学院,北京 100083
4.山西省煤炭地质物探测绘院资源环境与灾害监测山西省重点实验室,山西晋中 030600

通讯作者: 陈晓玲
作者简介:高峰（1987年生）,男,讲师,博士,主要从事水环境遥感和气候变化方面的研究。E-mail: gaofeng0204@sxufe.edu.cn
基金资助:
国家自然科学基金项目(41971402);武汉大学测绘遥感信息工程国家重点实验室开放研究基金项目(19R04);资源环境与灾害监测山西省重点实验室开放基金项目(2019-05);山西省应用基础研究计划项目(201901D211407);山西省应用基础研究计划项目(201901D211408);山西省高等学校科技创新项目(2019L0485)

Abstract

Abstract:

Spectral absorption properties of the water constituents is the main factor affecting the light field under the surface of the water and the spectrum above the surface of the water. Thus, the study is useful for understanding of the urban water spectral property and monitoring urban water environment quality dynamically using remote sensing technology. Absorption properties of total suspended particles, non-algal particles, phytoplankton and CDOM were analyzed using the 30 samples collected in different types of water (Lake Jinyang and flood discharge channel, Taiyuan section of Fenhe river and Fenhe second reservoir) in summer in Taiyuan. The results indicated that: (1) The main factors of the absorption characteristics of the total particulate matter in different types of water in summer in Taiyuan are different. The main influencing factors of non-algal particulate matter are the flood discharge channel and the Taiyuan reach of the Fenhe river, and the phytoplankton particulate matter are the Lake Jinyang and Fenhe second reservoir; (2) The absorption coefficients of most of the phytoplankton particles at 400 nm and 675 nm showed typical Chla absorption peaks; the absorption coefficients of phytoplankton particles a_ph(440) and a_ph(675) presented significant positive linear correlation with the concentration of Chla, but the correlation at 675 nm was stronger than that at 440 nm; (3) There are significant positive correlations between a_d(440), a_d(675) and TSM, ISM, OSM, TP and TN, and has no obvious relationship with Chla; (4) The M value of different types of water in Taiyuan is small, and the relative content of humic acid in CDOM is high, and the relative molecular weight is large, and the input of terrestrial substances plays an important role. Compared with other types of water in Taiyuan, the M value of Lake Jinyang is larger, and the relative content of fulvic acid is higher and the relative molecular weight is lower; (5) The absorption contribution rates of non-algal particles, phytoplankton particles and CDOM of different types of water in Taiyuan show significant variation at different wavelengths, and the dominant factors influencing the absorption characteristics of different sample sites are different. This study can provide an important reference for understanding the inherent optical characteristics of different types of urban water and constructing remote sensing inversion models of water quality parameters.

Key words: Taiyuan, particles, chromophoric dissolved organic matter, Taiyuan section of Fenhe river, Lake, reservoir, absorption characteristics

摘要：

水体组分吸收特性是水下光场和水面光谱的主要影响因子,对其进行研究有助于提高对城市水体光学吸收特性的认识和利用遥感技术手段动态监测城市水环境质量。共采集太原市不同类型（晋阳湖和排洪渠、汾河太原城区段和汾河二库）夏季水体30个样本的实测数据,对水体总颗粒物、非色素颗粒物、色素颗粒物和CDOM的吸收特征进行分析。结果表明：（1）太原市不同类型夏季水体总颗粒物吸收特征的主导因素各异,排洪渠和汾河太原城区段为非色素颗粒物主导类型,晋阳湖和汾河二库为色素颗粒物主导类型;（2）太原市不同类型夏季水体绝大多数样本色素颗粒物吸收系数在440、675 nm处呈现典型的Chla吸收峰,色素颗粒物吸收系数a_ph(440)、a_ph(675)与Chla浓度均存在显著线性正相关,但675 nm处的相关性强于440 nm;（3）非色素颗粒物吸收系数a_d(440)、a_d(675)与TSM、ISM、OSM、TP和TN均存在显著的相关性,但与Chla没有相关性;（4）太原市不同类型夏季水体M值较小,CDOM中腐殖酸相对含量较高,相对分子质量较大,陆源性物质的输入占据主导地位;晋阳湖水体M值与太原市其他类型水体相比,M值较大,富里酸的相对含量较高,相对分子质量较小;（5）太原市不同类型水体非色素颗粒物、色素颗粒物和CDOM吸收贡献率在不同波段处差异显著,不同采样点水体吸收特性的主导影响因素各异。该研究对认识城市不同类型夏季水体固有光学特性和构建水质参数遥感反演模型提供重要参考。

关键词: 太原市, 颗粒物, CDOM, 汾河太原段, 湖泊, 水库, 吸收特性

CLC Number:

X524

GAO Feng, CHEN Xiaoling, YANG Wenfu, SHI Lijiang, WANG Wenwen. Study on the Absorption Characteristics of Different Types of Water Particles and CDOM in Summer in Taiyuan[J]. Ecology and Environment, 2021, 30(7): 1455-1469.

高峰, 陈晓玲, 杨文府, 史利江, 汪雯雯. 太原市不同类型夏季水体颗粒物与CDOM吸收特性研究[J]. 生态环境学报, 2021, 30(7): 1455-1469.

Figures/Tables 16

References 35

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站点 Sites	经度 Longitude	纬度 Latitude	采样时间 Sampling time	采样位置 Sampling location
A1	112.50°E	37.76°N	Aug. 14, 2020	晋阳湖 Lake Jinyang
A2	112.52°E	37.76°N	Aug. 15, 2020	排洪渠 Flood discharge channel
A3	112.47°E	37.71°N	Aug. 15, 2020
A4	112.46°E	37.69°N	Aug. 15, 2020
A5	112.53°E	37.84°N	Aug. 15, 2020
A6	112.51°E	37.90°N	Aug. 15, 2020
A7	112.53°E	37.85°N	Aug. 17, 2020	汾河太原城区段 Taiyuan reach of the Fenhe river
A8	112.54°E	37.83°N	Aug. 17, 2020
A9	112.53°E	37.82°N	Aug. 17, 2020
A10	112.53°E	37.79°N	Aug. 17, 2020
A11	112.53°E	37.79°N	Aug. 17, 2020
A12	112.53°E	37.78°N	Aug. 17, 2020
A13	112.51°E	37.93°N	Aug. 18, 2020
A14	112.51°E	37.92°N	Aug. 18, 2020
A15	112.53°E	37.90°N	Aug. 18, 2020
A16	112.53°E	37.89°N	Aug. 18, 2020
A17	112.53°E	37.89°N	Aug. 18, 2020
A18	112.53°E	37.89°N	Aug. 18, 2020
A19	112.54°E	37.76°N	Aug. 20, 2020
A20	112.53°E	37.77°N	Aug. 20, 2020
A21	112.53°E	37.76°N	Aug. 20, 2020
A22	112.53°E	37.76°N	Aug. 20, 2020
A23	112.54°E	37.75°N	Aug. 20, 2020
A24	112.54°E	37.74°N	Aug. 20, 2020
A25	112.37°E	37.98°N	Aug. 22, 2020	汾河二库 Fenhe second reservoir
A26	112.36°E	37.98°N	Aug. 22, 2020
A27	112.36°E	37.97°N	Aug. 22, 2020
A28	112.54°E	37.74°N	Aug. 23, 2020	汾河太原城区段 Taiyuan reach of the Fenhe river
A29	112.54°E	37.71°N	Aug. 23, 2020
A30	112.54°E	37.76°N	Aug. 23, 2020

站点 Sites	经度 Longitude	纬度 Latitude	采样时间 Sampling time	采样位置 Sampling location
A1	112.50°E	37.76°N	Aug. 14, 2020	晋阳湖 Lake Jinyang
A2	112.52°E	37.76°N	Aug. 15, 2020	排洪渠 Flood discharge channel
A3	112.47°E	37.71°N	Aug. 15, 2020
A4	112.46°E	37.69°N	Aug. 15, 2020
A5	112.53°E	37.84°N	Aug. 15, 2020
A6	112.51°E	37.90°N	Aug. 15, 2020
A7	112.53°E	37.85°N	Aug. 17, 2020	汾河太原城区段 Taiyuan reach of the Fenhe river
A8	112.54°E	37.83°N	Aug. 17, 2020
A9	112.53°E	37.82°N	Aug. 17, 2020
A10	112.53°E	37.79°N	Aug. 17, 2020
A11	112.53°E	37.79°N	Aug. 17, 2020
A12	112.53°E	37.78°N	Aug. 17, 2020
A13	112.51°E	37.93°N	Aug. 18, 2020
A14	112.51°E	37.92°N	Aug. 18, 2020
A15	112.53°E	37.90°N	Aug. 18, 2020
A16	112.53°E	37.89°N	Aug. 18, 2020
A17	112.53°E	37.89°N	Aug. 18, 2020
A18	112.53°E	37.89°N	Aug. 18, 2020
A19	112.54°E	37.76°N	Aug. 20, 2020
A20	112.53°E	37.77°N	Aug. 20, 2020
A21	112.53°E	37.76°N	Aug. 20, 2020
A22	112.53°E	37.76°N	Aug. 20, 2020
A23	112.54°E	37.75°N	Aug. 20, 2020
A24	112.54°E	37.74°N	Aug. 20, 2020
A25	112.37°E	37.98°N	Aug. 22, 2020	汾河二库 Fenhe second reservoir
A26	112.36°E	37.98°N	Aug. 22, 2020
A27	112.36°E	37.97°N	Aug. 22, 2020
A28	112.54°E	37.74°N	Aug. 23, 2020	汾河太原城区段 Taiyuan reach of the Fenhe river
A29	112.54°E	37.71°N	Aug. 23, 2020
A30	112.54°E	37.76°N	Aug. 23, 2020

站点 Sites	ρ_(TSM)/ (mg∙L^-1)	ρ_(Chla)/ (mg∙m^-3)	ρ_(ISM)/ (mg∙L^-1)	ρ_(OSM)/ (mg∙L^-1)	ρ_(TN)/ (mg∙L^-1)	ρ_(TP)/ (mg∙L^-1)
A1	13.67	22.6	5	8.67	1.44	0.02
A2	24	48.55	15	9	3.18	0.12
A3	41	40.36	29.5	11.5	5.8	0.25
A4	47.5	16.01	35.5	12	5.48	0.17
A5	15	9.58	10.33	4.67	4.31	0.15
A6	27.5	50.86	18.5	9	2.88	0.2
A7	19	51.42	5	14	3.17	0.12
A8	17.5	68.89	7.5	10	4.24	0.12
A9	11	13.25	7.67	3.33	2.07	0.05
A10	18.5	32.46	5	13.5	5.44	0.2
A11	47.5	42.85	31.5	16	2.53	0.13
A12	18.5	62.73	12	6.5	3.62	0.22
A13	37	375.95	6	31	3.27	0.37
A14	29.5	27.01	18.5	11	4.36	0.14
A15	8.5	43.2	3.5	5	2.65	0.09
A16	20.5	39.19	13	7.5	3.39	0.12
A17	41.5	33.15	35	6.5	3.17	0.1
A18	137.14	2.55	115.71	21.43	11.06	0.34
A19	11.67	75.46	3.67	8	4.25	0.16
A20	19	60.82	10	9	3.46	0.11
A21	16.33	87.27	7.67	8.67	3.39	0.09
A22	14.33	111.17	5.33	9	3.43	0.1
A23	24	332.71	5.33	18.67	3.72	0.26
A24	24.33	265.71	7	17.33	3.91	0.19
A25	3.33	12.14	0.33	3	1.89	0.01
A26	4	12.98	0	4	1.82	0.01
A27	4.67	14.81	0.33	4.33	1.69	0.01
A28	14	114.27	4	10	3.32	0.14
A29	15	137.98	3.33	11.67	3.41	0.17
A30	17.33	113.89	5.67	11.67	3.08	0.42

站点 Sites	ρ_(TSM)/ (mg∙L^-1)	ρ_(Chla)/ (mg∙m^-3)	ρ_(ISM)/ (mg∙L^-1)	ρ_(OSM)/ (mg∙L^-1)	ρ_(TN)/ (mg∙L^-1)	ρ_(TP)/ (mg∙L^-1)
A1	13.67	22.6	5	8.67	1.44	0.02
A2	24	48.55	15	9	3.18	0.12
A3	41	40.36	29.5	11.5	5.8	0.25
A4	47.5	16.01	35.5	12	5.48	0.17
A5	15	9.58	10.33	4.67	4.31	0.15
A6	27.5	50.86	18.5	9	2.88	0.2
A7	19	51.42	5	14	3.17	0.12
A8	17.5	68.89	7.5	10	4.24	0.12
A9	11	13.25	7.67	3.33	2.07	0.05
A10	18.5	32.46	5	13.5	5.44	0.2
A11	47.5	42.85	31.5	16	2.53	0.13
A12	18.5	62.73	12	6.5	3.62	0.22
A13	37	375.95	6	31	3.27	0.37
A14	29.5	27.01	18.5	11	4.36	0.14
A15	8.5	43.2	3.5	5	2.65	0.09
A16	20.5	39.19	13	7.5	3.39	0.12
A17	41.5	33.15	35	6.5	3.17	0.1
A18	137.14	2.55	115.71	21.43	11.06	0.34
A19	11.67	75.46	3.67	8	4.25	0.16
A20	19	60.82	10	9	3.46	0.11
A21	16.33	87.27	7.67	8.67	3.39	0.09
A22	14.33	111.17	5.33	9	3.43	0.1
A23	24	332.71	5.33	18.67	3.72	0.26
A24	24.33	265.71	7	17.33	3.91	0.19
A25	3.33	12.14	0.33	3	1.89	0.01
A26	4	12.98	0	4	1.82	0.01
A27	4.67	14.81	0.33	4.33	1.69	0.01
A28	14	114.27	4	10	3.32	0.14
A29	15	137.98	3.33	11.67	3.41	0.17
A30	17.33	113.89	5.67	11.67	3.08	0.42

参数 Parameters	a_p(440)	a_p(675)	a_d(440)	a_d(675)	a_ph(440)	a_ph(675)	a_g(440)	Chla	TSM	ISM	OSM	TP	TN
a_p(440)	1.0000
a_p(675)	0.7058**	1.0000
a_d(440)	0.7071**	0.0167	1.0000
a_d(675)	0.8405**	0.3889*	0.7996**	1.0000
a_ph(440)	0.7275**	0.9815**	0.0292	0.4123*	1.0000
a_ph(675)	0.6348**	0.9941**	-0.0770	0.2863	0.9720**	1.0000
a_g(440)	0.5824**	0.1778	0.6212**	0.6238**	0.2206	0.1112	1.0000
Chla	0.5959**	0.9605**	-0.1033	0.2295	0.9426**	0.9718**	0.1668	1.0000
TSM	0.6821**	0.0332	0.9469**	0.7118**	0.0454	-0.0495	0.6296**	-0.0458	1.0000
ISM	0.5312**	-0.1645	0.9298**	0.6355**	-0.1513	-0.2462	0.5850**	-0.2428	0.9734**	1.0000
OSM	0.8600**	0.7342**	0.4945**	0.6022**	0.7359**	0.6924**	0.4493*	0.6955**	0.5531**	0.3474	1.0000
TP	0.7354**	0.5641**	0.4876**	0.5722**	0.5664**	0.5191**	0.6232**	0.5037**	0.5074**	0.3740*	0.7169**	1.0000
TN	0.6132**	0.0254	0.8720**	0.7247**	0.0207	-0.0592	0.7009**	-0.0609	0.8370**	0.8191**	0.4469*	0.5567**	1.0000

Study on the Absorption Characteristics of Different Types of Water Particles and CDOM in Summer in Taiyuan

太原市不同类型夏季水体颗粒物与CDOM吸收特性研究

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水体类型 Water type	M值变化范围 Range of M value	M值均值 Mean of M value	文献来源 Reference
本研究 This study	5.62‒10.74	7.01±1.18	‒
太湖 Taihu	6.94‒9.88	8.66±0.088	施坤等, 2010 (Shi et al., 2010)
巢湖 Chaohu	8.57‒15.22	10.6±1.57	施坤等, 2010 (Shi et al., 2010)
滇池 Dianchi	6.443‒10.238	7.678±0.164	张红等, 2011 (Zhang et al., 2011)
查干湖 Chagan	7.5‒15.09	11.44±2.00	李思佳等, 2016 (Li et al., 2016)
新立城水库 Xinlicheng	6.17‒8.89	7.53±0.79	李思佳等, 2016 (Li et al., 2016)

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