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海原断裂带东南段土壤气体地球化学特征
Authors
刘胜昌
司学芸
+6 more
周晓成
李营
柴炽章
王传远
谢超
雷启云
Publication date
1 January 2011
Publisher
Abstract
在海原断裂带东南段4个地点跨断层测量了土壤气中He,H2,N2,O2,CH4,C2H6,Rn和Hg的浓度及He,H2,CH4,Rn和Hg的通量.测量结果表明,N2/O2,Hg和Rn的背景值分别是4.2,50.4ng/m3和5.8kBq/m3;土壤气中He和CH4在海原断裂带东南段端部有强烈异常,并且脱气强烈,通量分别达到6.9mgm-2d-1和390mgm-2d-1;土壤气中H2和Rn是指示海原断裂东南段破裂位置非常有利的气体组分,在靠断裂中部区域通量达到最高,分别为5.5mgm-2d-1和828.6mBqm-2s-1;土壤气中Hg在断裂带的异常可作为指示断裂破裂位置的参考信号,其通量最高达到211.2ngm-2h-
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Last time updated on 19/08/2023