梁子湖水环境时空变异分析

王红; 姚君兰; KUNG Hsiang-te; 李兆华; 李艳蔷; 梅新; 陈红兵

doi:10.3969/j.issn.1674-991X.2017.02.024

梁子湖水环境时空变异分析

doi: 10.3969/j.issn.1674-991X.2017.02.024

1.
湖北大学资源环境学院,湖北武汉 430062
2.
区域开发与环境响应湖北省重点实验室,湖北武汉 430062
3.
美国孟菲斯大学地球科学系,田纳西州孟菲斯 38152

详细信息

作者简介:
王红(1975—),女,副教授,博士,主要从事地理信息在环境领域的应用及制图表达研究,j- wanghong@163.com

通讯作者:
李兆华 E-mail: zli@hubu.edu.cn

中图分类号: X524
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出版历程
- 收稿日期: 2016-07-02
- 刊出日期: 2017-03-20

A study of spatial and temporal water quality variation in Liangzi Lake

1.
Faculty of Resource and Environmental Science, Hubei University, Wuhan 430062, China
2.
Hubei Key Laboratory of Regional Development and Environmental Response, Wuhan 430062, China
3.
Department of Earth Sciences, University of Memphis, Memphis 38152, USA

More Information

Corresponding author: Zhaohua LI E-mail: zli@hubu.edu.cn

摘要

摘要: 梁子湖是湖北省第二大淡水湖,了解梁子湖水质的时间变异性和空间变异性,对梁子湖区及周边城市建设具有重要意义。以春、夏、秋、冬4次采样得到的样本数据为研究对象,利用地统计分析方法,分析了总氮(TN)、总磷(TP)、氨氮($NH_{4}^{+}$-N)和高锰酸盐指数(COD_Mn)4个水质因子的时空特性。结果发现:水体中TN浓度的年变化特征为冬季高于春季,北部较高;TP浓度季节变化较小,从东到西呈片状降低;$NH_{4}^{+}$-N浓度夏季低于冬季,冬季个别区域高于秋季,总体趋势是东高西低;COD_Mn在冬春两季较低,而夏秋季节较高,主要集中在西梁子湖和东梁子湖中部。在时间上,梁子湖冬春季水质优于夏秋季;在空间上,梁子湖区中心水质较好,东梁子湖和入湖口附近水质较差。
- 梁子湖 /
- 水质因子 /
- 克里金(Kriging)插值 /
- 时空分析
Abstract: Liangzi Lake is the second largest fresh water lake in Hubei Province. It is of important significance to understand the temporal and spatial variation of the lake water quality for construction of Liangzi Lake and neighboring cities. The sampling data of water quality during spring, summer, autumn and winter were studied, and the geostatistical analysis used to analyze the temporal and spatial characteristics of water quality factors, including total nitrogen (TN), total phosphorus (TP), ammonia nitrogen ($NH_{4}^{+}$-N) and permanganate index (COD_Mn). The results showed that the TN concentrations in water in winter were higher than the spring, with higher values in north area. The overall annual variation of TP was small, decreasing from east to west. The $NH_{4}^{+}$-N was higher in winter compared with summer, decreasing from east to west, and in individual regions the concentration was higher in winter than in autumn. The COD_Mn was generally low in spring and winter and higher the summer and the autumn, mainly in the middle of the western and eastern lake. Therefore, temporally the water quality in winter and spring was better than summer and autumn, and spatially the water quality was better in the center of lake but worse in the east estuary of the lake and the lake inlets.
- Liangzi Lake /
- water quality factors /
- Kriging interpolation /
- temporal and spatial analysis

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