华东师范大学学报（自然科学版） >

2021 , Vol. 2021 >Issue 4: 81 - 89

DOI: https://doi.org/10.3969/j.issn.1000-5641.2021.04.010

水体污染控制与治理

上海环城绿带水体水质与土地利用结构的响应研究

  • 陈体达 ,
  • 崔丹 ,
  • 袁育鑫 ,
  • 刘佳敏 ,
  • 黄民生 ,
  • 李莹
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  • 1. 华东师范大学 生态与环境科学学院 上海市城市化生态过程与生态恢复重点实验室, 上海　200241
    2. 崇明生态研究院, 上海　202162
    3. 上海有机固废生物转化工程技术研究中心，上海　200241
    4. 自然资源部大都市区国土空间生态修复工程技术创新中心, 上海　200062

收稿日期: 2020-12-21

  网络出版日期: 2021-07-23

基金资助

国家科技重大专项(2017ZX07207001, 2018ZX07208008)

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Changes in water quality and land use structure in the green-belt area around Shanghai

  • Tida CHEN ,
  • Dan CUI ,
  • Yuxin YUAN ,
  • Jiamin LIU ,
  • Minsheng HUANG ,
  • Ying Li
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  • 1. Shanghai Key Laboratory for Urban Ecological Processes and Eco-Restoration, School of Ecological and Environmental Sciences, East China Normal University, Shanghai　200241, China
    2. Institute of Eco-Chongming, Shanghai　202162, China
    3. Shanghai Engineering Research Center of Biotransformation of Organic Solid Waste, Shanghai　200241, China
    4. Technology Innovation Center for Land Spatial Eco-Restoration in Metropolitan Area (Ministry of Natural Resources), Shanghai　200062, China

Received date: 2020-12-21

  Online published: 2021-07-23

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摘要

选取了上海环城绿带中30个水体, 以现场实测数据和解译的缓冲区土地利用类型为基础, 综合运用马尔科夫转移矩阵和相关性分析, 揭示了环城绿带的土地利用变化规律及其与水质的响应关系. 结果显示: 绿带水体历年以Ⅳ类—劣Ⅴ类为主, 劣Ⅴ类水体占比呈逐年下降的趋势; 缓冲区内以建设用地、林地和草地为主, 三者合计占比约84.37%; 以建设用地的减少和裸地增加为主, 两者分别占总减少面积的48.95%和总增加面积的50.85%; 在300 m缓冲区尺度上, 草地对DO、Chla呈现正效应; 在500 m尺度上, 裸地是引起CODMn恶化的主要因素, 而耕地在两个尺度均与多个污染指标呈正相关.

关键词： 环城绿带; 内梅罗指数法; 马尔科夫转移矩阵; 土地利用变化

本文引用格式

陈体达 , 崔丹 , 袁育鑫 , 刘佳敏 , 黄民生 , 李莹 . 上海环城绿带水体水质与土地利用结构的响应研究[J]. 华东师范大学学报（自然科学版）, 2021 , 2021(4) : 81 -89 . DOI: 10.3969/j.issn.1000-5641.2021.04.010

Abstract

In this paper, we study land use change and its effects on water quality for 30 water bodies in the green-belt area of Shanghai; the analysis is based on the Markov transfer matrix and Pearson correlation analysis of field data and interpreted land use types. The results show that: the water quality is dominated by Grade Ⅳ and lower Grade Ⅴ; the proportion of water bodies with lower Grade Ⅴ is decreasing year by year; the buffer zone is dominated by construction land, forest, and grassland, with a total proportion of about 84.37%; the increase in construction land and decrease in bare land, accounted for 48.95% of the total reduced area and 50.85% of the total increased area, respectively; on the 300 m buffer scale, grassland had a positive effect on DO and Chla; on the 500 m scale, bare land was the main factor for CODMn deterioration; and cultivated land was positively correlated with multiple pollution indicators at two scales.

Key words： green-belt around the city; Nemero index method; Markov transition matrix; land use change

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