吐魯番坎兒井水質(zhì)分析

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摘要：坎兒井與長城、京杭大運河并稱為中國古代三大工程，它是世界上最大的地下水利灌溉系統(tǒng)。本文采用秩相關(guān)系數(shù)法，分析2011—2020年吐魯番坎兒井水質(zhì)變化。研究表明，十年間坎兒井水質(zhì)均符合《地表水環(huán)境質(zhì)量標準》（GB 3838—2002）的Ⅱ類標準，未發(fā)生明顯變化，滿足農(nóng)業(yè)生產(chǎn)與群眾生活用水要求。

關(guān)鍵詞：坎兒井；水質(zhì)；秩相關(guān)系數(shù)

中圖分類號：X83 文獻標識碼：A 文章編號：1008-9500（2023）07-0-04

DOI：10.3969/j.issn.1008-9500.2023.07.041

Analysis of Karez Water Quality in Turpan

DUAN Chunxia

（Turpan Environmental Monitoring Station of Xinjiang Uygur Autonomous Region， Turpan 838000， China）

Abstract： Karez， together with the Great Wall and the Beijing-Hangzhou Grand Canal， is known as the three major projects in ancient China， which is the largest underground water conservancy irrigation system in the world. This paper uses the rank correlation coefficient method to analyze the water quality change of Karez in Turpan from 2011 to 2020. The research shows that the water quality of Karez meets the Class Ⅱ standard of the "Environmental Quality Standard for Surface Water" （GB 3838—2002）， has not changed significantly， and meets the water requirements for agricultural production and people's living.

Keywords： Karez; water quality; rank correlation coefficient

吐魯番盆地位于天山東部，整個盆地十分封閉，屬于典型的溫帶大陸性氣候區(qū)，素有“火洲”之稱。（剩余2136字）