南极横贯南极山脉土壤中盐的赋存情况综述

IF 3 3区 地球科学 Q2 GEOGRAPHY, PHYSICAL
I. B. Campbell, D. S. Sheppard
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引用次数: 1

摘要

盐在横贯南极山脉寒冷的沙漠土壤中普遍存在,主要来源于大气。它们的成分是多种多样的,取决于当地或区域的气候条件。它们在土壤剖面中的存在范围从小斑点到连续的盐层,它们的丰度和分布与可追溯到中新世的气候属性和地表年龄有明显的关系。虽然液态水很少存在,但盐存在于土壤中矿物颗粒周围的饱和溶液中,并可能深入土壤或下面的冰冻永久冻土。受人类活动干扰的新暴露的地表出现了广泛的地表盐化现象,盐来自融化的永久冻土冰。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A review of salt occurrences in soils of the Transantarctic Mountains, Antarctica
Salts are pervasive throughout the Transantarctic Mountains cold desert soils and are derived primarily from atmospheric sources. Their composition is varied and dependent on local or regional climatic conditions. Their presence within soil profiles ranges from small flecks to continuous salt horizons and their abundance and distribution have a distinct relationship with climatic attributes and land surface age which extends back to the Miocene. While liquid water is seldom present, salts are present in saturated solutions surrounding mineral grains in the soil and may move deeply into the soil or underlying icy permafrost. Extensive ground surface salt efflorescence occurs on freshly exposed surfaces that have been disturbed by human activities, the salts being derived from within the thawed permafrost ice.
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来源期刊
CiteScore
9.70
自引率
8.00%
发文量
43
审稿时长
>12 weeks
期刊介绍: Permafrost and Periglacial Processes is an international journal dedicated to the rapid publication of scientific and technical papers concerned with earth surface cryogenic processes, landforms and sediments present in a variety of (Sub) Arctic, Antarctic and High Mountain environments. It provides an efficient vehicle of communication amongst those with an interest in the cold, non-glacial geosciences. The focus is on (1) original research based on geomorphological, hydrological, sedimentological, geotechnical and engineering aspects of these areas and (2) original research carried out upon relict features where the objective has been to reconstruct the nature of the processes and/or palaeoenvironments which gave rise to these features, as opposed to purely stratigraphical considerations. The journal also publishes short communications, reviews, discussions and book reviews. The high scientific standard, interdisciplinary character and worldwide representation of PPP are maintained by regional editorial support and a rigorous refereeing system.
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