天津市盐碱水成因及养殖资源开发现状
2017-03-14霍达乔之怡周文礼贾磊
霍达++乔之怡++周文礼++贾磊


摘 要:随着生产生活作业的扩张,天津市的淡水资源日益紧张,合理开发和利用盐碱水资源成为了缓解淡水资源短缺的新途径。该文从天津市地质特点出发,结合天津市水资源公报阐述了天津市水资源盐碱化成因及盐碱水养殖资源开发现状,探讨了可能的盐碱水资源利用方法。导致天津市水资源盐碱化有诸多因素,因此对盐碱水资源应该坚持水质改良与综合开发利用并行的原则。
关键词:天津 盐碱水 开发利用
中图分类号:TV21 文献标识码:A 文章编号:1674-098X(2016)09(c)-0083-04
The Status and Expectation of Development and Utilization of Tianjin Saline-alkali Water Resources
Huo Da1 Qiao Zhiyi1* Zhou Wenli1 Jia Lei2*
(1.Key Laboratory of Tianjin Aqua-Ecology and Aquaculture, College of Fishery Science, Tianjin Agricultural University, Tianjin,300384, China; 2.Bohai Sea Fisheries Research Institute of Tianjin, Tianjin, 300457, China)
Abstract: With the extension of producing and living, the lack of fresh water resources becomes a serious problem of Tianjin. It is a new method to make the development and utilization of Saline-alkali Water resources reasonable. The article makes the review of Saline-alkali Water in Tianjin and discuss the status quo and utilization method of water Saline-alkali water resources in Tianjin. It looks forward to the prospect of modified Saline-alkali and the new utilization method. There are a lot of reasons of alkalization in Tianjin, Therefore, the principle should be held that combine improving water quality with comprehensive development and utilization.
Key Words:Tianjin;Saline-alkali water;Development and utilization
盐碱水是对盐碱化水体的总称,一般具有高pH、高盐碱度和高离子系数等特点[1]。我国内陆型盐碱水中,碳酸盐型较多,氯化物型和硫酸盐型较少;而滨海型盐碱水氯化物较多,碳酸盐型、硫酸盐型较少。通常情况下,盐度低的水质,多为碳酸盐型水,随着盐度增大,水的化学类型多为硫酸盐或氯化物类[2]。而盐碱水一般都是和水体周边的盐碱地密切相关。我国大约有盐碱地总面积9913×104平方公顷[3]。土壤盐渍化不仅给农业生产造成严重影响,而且是当今世界旱地农业面临的四大生态环境问题[4]。随着人口的激增和工业的发展,国家对于淡水资源的需求量不断提高。但是淡水资源有限,往往不能满足生产生活的要求。如何改良盐碱地,更多的利用盐碱水资源替代淡水进行养殖生产作业成为世界各国重視的问题。天津滨海盐碱地是中国典型的盐碱地代表,具有丰富的盐碱水资源,同时也是淡水养殖的重要地区。……
