Main hydrochemical characteristics and ion sources of the Yongding River

LIU Yeling; YIN Huihui; WANG Xuan; MO Yandi; PEI Boqun; XIAO Yulong; ZHAI Yujia; WANG Qing; CUI Baoshan; DOU Peng

doi:10.13205/j.hjgc.202502009

Volume 43 Issue 2

Feb. 2025

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LIU Yeling, YIN Huihui, WANG Xuan, MO Yandi, PEI Boqun, XIAO Yulong, ZHAI Yujia, WANG Qing, CUI Baoshan, DOU Peng. Main hydrochemical characteristics and ion sources of the Yongding River[J]. ENVIRONMENTAL ENGINEERING , 2025, 43(2): 87-95. doi: 10.13205/j.hjgc.202502009

Citation:

LIU Yeling, YIN Huihui, WANG Xuan, MO Yandi, PEI Boqun, XIAO Yulong, ZHAI Yujia, WANG Qing, CUI Baoshan, DOU Peng. Main hydrochemical characteristics and ion sources of the Yongding River[J]. ENVIRONMENTAL ENGINEERING , 2025, 43(2): 87-95. doi: 10.13205/j.hjgc.202502009

Citation:

LIU Yeling, YIN Huihui, WANG Xuan, MO Yandi, PEI Boqun, XIAO Yulong, ZHAI Yujia, WANG Qing, CUI Baoshan, DOU Peng. Main hydrochemical characteristics and ion sources of the Yongding River[J]. ENVIRONMENTAL ENGINEERING , 2025, 43(2): 87-95. doi: 10.13205/j.hjgc.202502009

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Main hydrochemical characteristics and ion sources of the Yongding River

doi: 10.13205/j.hjgc.202502009

LIU Yeling^1,3,
YIN Huihui^1,3,
WANG Xuan^1,2,
MO Yandi^1,2,
PEI Boqun^1,2,
XIAO Yulong^1,2,
ZHAI Yujia^1,2,
WANG Qing^1,3,
CUI Baoshan^{1,2
,
,},
DOU Peng⁴

1. State Key Laboratory of Wetland Conservation and Restoration, School of Environment, Beijing Normal University, Beijing 100875, China;
2. Yellow River Estuary Wetland Ecosystem Observation and Research Station, Ministry of Education, Dongying 257509, China;
3. Advanced Insititute of Natural Sciences, Bejing Normal University at Zhuhai, Zhuhai 519087, China;
4. Beijing Water Science and Technology Institute, Beijing 100048, China

Received Date: 2024-08-21
Accepted Date: 2024-12-10
Rev Recd Date: 2024-11-01

Abstract

Abstract

The Yongding River is one of the main water sources in the Beijing Tianjin Hebei Region. Understanding the hydrochemical characteristics and ion sources of the Yongding River basin is of great significance for water resource management and social development in the Beijing Tianjin Hebei Region. This study comprehensively utilized the mass balance method and ion ratio method to analyze the hydrochemical characteristics and main ion sources in the mainstream and tributaries from the Guanting Reservoir to the mouth of the Yongding River. The results indicated that the main hydrochemical types of the Yongding River in spring were SO₄·Cl-Na and HCO₃-Ca. The river water was slightly alkaline, with high values of EC and TDS, and the average values of tributaries were higher than those of the mainstream. The spatial variation of ions’ concentration in river water was significant, and the concentrations of Na⁺、K⁺、Cl^-、NO₃^- in the mainstream of Yongding River showed an upward trend from upstream to downstream, with the highest mean value in the Coastal Plain Section(CPS) in the river. The sources of river water ions in various locations were mainly controlled by atmospheric precipitation (2.19% to 11.38%), human activities (0.06% to 50.69%), evaporite dissolution (6.47% to 52.13%), silicate rock weathering (5.74% to 71.23%), and carbonate rock weathering (0.24% to 60.06%) inputs, with rock weathering being the main source of river ions in spring. The contribution rate of rock weathering in the upstream Mountain Gorge Section (MGS) and Urban Plain Section (UPS) (85%) was significantly higher than that in the middle and lower reaches (71.5%), where human activities contributed more. The impact of urban domestic sewage on the Yongding River in spring was more significant, while the impact of agriculture and industry on the river was limited.
- hydrochemical characteristics,
- rock weathering,
- ion sources,
- human activities,
- the Yongding River,
- the Beijing-Tianjin-Hebei Region

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References(24)

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