农村生活污水排放特征及其驱动机制:来自中国北方地区的证据

IF 6.1 2区 环境科学与生态学 Q2 ENGINEERING, ENVIRONMENTAL
Jianguo Liu, Ziyu Zhou, Pengyu Li, Zixuan Wang, Ying Yan, Xuezheng Yu, Wenkai Li, Tianlong Zheng, Yingnan Cao, Wenjun Wu, Wenqian Cai, Zhining Shi, Junxin Liu
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引用次数: 0

摘要

农村生活污水排放特征不明确,对农村生活污水处理和污水治理产生了负面影响。本研究利用《第二次全国污染源普查公报》数据建立数据集。利用空间自相关分析和结构方程研究了北部地区农村生活污水排放的空间分布特征和主要影响因素。研究结果表明:(1)排水量(DWV)、化学需氧量(COD)、氨氮(NH3-N)、总氮(TN)、总磷(TP)之间存在显著的 Spearman 相关性,DWV 与 COD、NH3-N、TN、TP 的相关系数分别为 0.87**、1.0**、0.99**、0.99**;(2)农村生活污水排放呈现空间自相关性,设行政区的区县农村生活污水排放量明显高于周边地区;(3)社会发展是农村生活污水变化的主要驱动力(路径系数为 0.407**),影响农村生活污水排放的主要因素是城镇化率、受教育年限和人口年龄结构。该研究获得了农村生活污水的空间变化规律,明确了农村生活污水的主要影响因素,为后续农村污水收集处理提供了数据支持和理论依据。以中国北方内蒙古自治区为典型案例,为国家和地区农村生活污水处理的科学决策提供了理论依据,为污染物治理提供了新的视角。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Characteristics of rural domestic sewage discharge and their driving mechanisms: evidence from the Northern Region, China

Characteristics of rural domestic sewage discharge and their driving mechanisms: evidence from the Northern Region, China

The traits of rural domestic sewage emission are unclear, negatively affecting rural domestic sewage treatment and sewage management. This study used data from the Second National Pollution Source Census Bulletin to establish a data set. The spatial distribution characteristics and main factors influencing rural sewage discharge in the Northern Region were studied using spatial autocorrelation analysis and structural equations. The findings demonstrated that (1) a significant Spearman correlation between drainage water volume (DWV), chemical oxygen demand (COD), ammonia nitrogen (NH3-N), total nitrogen (TN), and total phosphorus (TP) and that the correlation coefficients between DWV and COD, NH3–N, TN and TP were 0.87**, 1.0**, 0.99**, 0.99**, respectively; (2) rural sewage discharge showed spatial autocorrelation, and rural domestic sewage discharge in the districts and counties with an administration was significantly higher than in the surrounding areas; and (3) social development was the main driver rural domestic sewage changes (path coefficient was 0.407**), and the main factors influencing rural domestic sewage discharge were the urbanization rate, years of education, and population age structure. This study obtained the spatial variation law and clarified the main influencing factors of rural domestic sewage to provide data support and a theoretical basis for subsequent rural sewage collection and treatment. Use of the Inner Mongolia Autonomous Region in northern China as a typical case, provides a theoretical foundation for scientific decision-making on rural domestic sewage treatment at the national and regional levels and offers new perspectives for managing pollutants.

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来源期刊
Frontiers of Environmental Science & Engineering
Frontiers of Environmental Science & Engineering ENGINEERING, ENVIRONMENTAL-ENVIRONMENTAL SCIENCES
CiteScore
10.90
自引率
12.50%
发文量
988
审稿时长
6.1 months
期刊介绍: Frontiers of Environmental Science & Engineering (FESE) is an international journal for researchers interested in a wide range of environmental disciplines. The journal''s aim is to advance and disseminate knowledge in all main branches of environmental science & engineering. The journal emphasizes papers in developing fields, as well as papers showing the interaction between environmental disciplines and other disciplines. FESE is a bi-monthly journal. Its peer-reviewed contents consist of a broad blend of reviews, research papers, policy analyses, short communications, and opinions. Nonscheduled “special issue” and "hot topic", including a review article followed by a couple of related research articles, are organized to publish novel contributions and breaking results on all aspects of environmental field.
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