西藏阿里地区盐土的发生演变及其含硼特征
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GENESIS AND EVOLUTION OF BORON-BEARING SOLONCHAKS IN ALI AREA OF XIZANG
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    摘要:

    阿里地区位于西藏高原西部.近年来,我们对该区冈底斯山以北(属于羌塘高原的一部分)呈斑块状出现于湖滨的盐土进行了调查研究,发现西藏高原的不断隆升对该区盐土的形成及其特性有深刻的影响,使高原盐土的形成有其特殊性.本文仅就阿里地区盐土的发生演变、主要亚类的基本性状及其含硼特征进行初步探讨.

    Abstract:

    Most of the lakes in Ali area of Xizang belong to the tectonic,faulted ones.At the end of the middle Pleistocene the violent tectonic movement caused faulted zone accompanied with rift and hydrothermal activity.The spring water abounding with boron and lithium continuously flowed into the lakes.With uplifting of the plateau,the climate within the plateau became drier,and leaded the withdrawal and lowering of the water level of the lakes.Up to the early Holocene,the climate became more anal more dry.The concentration of the lacustrine water brought about the enrichment of soluble salts.The solonchaks in this area are developed from the deposits of the lake terraces Ⅰ and Ⅱ formed in Holocene.

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高以信,张连第.西藏阿里地区盐土的发生演变及其含硼特征[J].土壤学报,1981,18(2):148-157. Gao Yi-xin, Zhang Lian-di. GENESIS AND EVOLUTION OF BORON-BEARING SOLONCHAKS IN ALI AREA OF XIZANG[J]. Acta Pedologica Sinica,1981,18(2):148-157.

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  • 在线发布日期: 2013-02-25
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