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1:100万新疆绿洲盐渍化土壤分布研究
Authors
乔木
吴世新
+5 more
周生斌
李义玲
李和平
王永增
田长彦
Publication date
1 January 2012
Publisher
Abstract
本研究针对新疆绿洲盐渍化土壤成因、类型、等级、规模、分布以及防治战略和对策等难题,紧密结合绿洲安全战略以及新疆盐渍化土壤改良治理规划的需求,开展了盐渍化土壤问题的系统调查与研究。研究基于CBERS信息,运用3S技术,首次在全国开展了以省级为单元的新疆绿洲盐渍化土壤调查,建立了一套新的新疆绿洲盐渍化土壤分级评价体系;首次按灌区水盐运移情况,把盐渍化状况划分为稳定脱盐型、脱盐不稳定型、脱盐积盐反复型、持续积盐型、盐水灌溉积盐型、潜在盐渍化型等6类,填补了该领域研究的空白;根据绿洲盐渍化土壤的形成条件以及盐渍化土壤分布、积盐特点,把新疆划分为南北疆两大区域,次级区17个,分别提出了改良方向和途径;完..
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Last time updated on 29/11/2016