价值工程
價值工程
개치공정
VALUE ENGINEERING
2013年
24期
311-312,313
,共3页
青铜峡%灌区%盐渍化%成因%地下水
青銅峽%灌區%鹽漬化%成因%地下水
청동협%관구%염지화%성인%지하수
Qingtongxia%irrigated area%salination%cause%groundwater
作者总结了宁夏第五次盐渍化普查和盐渍化影响因素调查专题,回顾了青铜峡灌区耕地土壤盐渍化现状及其演变趋势,阐述了引起演变的原因。从水盐循环角度,分析影响灌区土壤盐渍化主要因素,系统阐述了地下水埋深、矿化度与土壤盐渍化关系。
作者總結瞭寧夏第五次鹽漬化普查和鹽漬化影響因素調查專題,迴顧瞭青銅峽灌區耕地土壤鹽漬化現狀及其縯變趨勢,闡述瞭引起縯變的原因。從水鹽循環角度,分析影響灌區土壤鹽漬化主要因素,繫統闡述瞭地下水埋深、礦化度與土壤鹽漬化關繫。
작자총결료저하제오차염지화보사화염지화영향인소조사전제,회고료청동협관구경지토양염지화현상급기연변추세,천술료인기연변적원인。종수염순배각도,분석영향관구토양염지화주요인소,계통천술료지하수매심、광화도여토양염지화관계。
Author summarized the articles that Ningxia irrigated area NO.5 soil salination inquiry and the subject about factor affect soil salination. It reviewed the actuality of soil salination of Ningxia Qingtongxia irrigated area. It analysed the outcome of soil salination and expound causation about the outcome. It expounded the mostly factor by the point of view about water and salinity cycle of Qingtongxia irrigated area. It probed deeply into the relation about the groundwater level and TDS and local irrigated area.