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Boron isotopic fractionation during seawater evaporation
Xiao, Y. K.; Li, S. Z.; Wei, H. Z.; Sun, A. D.; Liu, W. G.; Zhou, W. J.; Zhao, Z. Q.; Liu, C. Q.; Swihart, G. H.
2007-01-16
发表期刊MARINE CHEMISTRY
ISSN0304-4203
卷号103期号:3-4页码:382-392
文章类型Article
摘要Laboratory experiments were undertaken to investigate the behaviour of boron at the seawater-air interface during seawater evaporation. Seawaters adjusted to different pH values were heated to 27, 33 and 40 degrees C inside a quartz evaporator. The vapor was collected with a quartz condenser using a cold trap. A natural seawater-vapor process in quiet air conditions and excluding the seaspray component was realized using this arrangement. The results indicate an enrichment of B-11 in the condensate. This implies that in the natural environment, rainfall with delta B-11 values lower than that of seawater has been affected either by continental boron sources or by the boron extracted from seawater under airflow conditions. While the net flux of boron carried away from the ocean by air masses due to seawater evaporation is significant compared to other fractionation-associated processes removing boron from the ocean, the effect of isotopic fractionation as boron enters the vapor phase on the isotopic composition of boron in the ocean over time is small. (c) 2006 Elsevier B.V All rights reserved. Laboratory experiments were undertaken to investigate the behaviour of boron at the seawater-air interface during seawater evaporation. Seawaters adjusted to different pH values were heated to 27, 33 and 40 degrees C inside a quartz evaporator. The vapor was collected with a quartz condenser using a cold trap. A natural seawater-vapor process in quiet air conditions and excluding the seaspray component was realized using this arrangement. The results indicate an enrichment of B-11 in the condensate. This implies that in the natural environment, rainfall with delta B-11 values lower than that of seawater has been affected either by continental boron sources or by the boron extracted from seawater under airflow conditions. While the net flux of boron carried away from the ocean by air masses due to seawater evaporation is significant compared to other fractionation-associated processes removing boron from the ocean, the effect of isotopic fractionation as boron enters the vapor phase on the isotopic composition of boron in the ocean over time is small. (c) 2006 Elsevier B.V All rights reserved.; Laboratory experiments were undertaken to investigate the behaviour of boron at the seawater-air interface during seawater evaporation. Seawaters adjusted to different pH values were heated to 27, 33 and 40 degrees C inside a quartz evaporator. The vapor was collected with a quartz condenser using a cold trap. A natural seawater-vapor process in quiet air conditions and excluding the seaspray component was realized using this arrangement. The results indicate an enrichment of B-11 in the condensate. This implies that in the natural environment, rainfall with delta B-11 values lower than that of seawater has been affected either by continental boron sources or by the boron extracted from seawater under airflow conditions. While the net flux of boron carried away from the ocean by air masses due to seawater evaporation is significant compared to other fractionation-associated processes removing boron from the ocean, the effect of isotopic fractionation as boron enters the vapor phase on the isotopic composition of boron in the ocean over time is small. (c) 2006 Elsevier B.V All rights reserved.
关键词Boron Isotope Isotopic Fractionation Evaporation Seawater
WOS标题词Science & Technology ; Physical Sciences
关键词[WOS]IONIZATION MASS-SPECTROMETRY ; ION-EXCHANGE SEPARATION ; SEA-WATER ; ATMOSPHERE ; MARINE ; CONSTRAINTS ; RIVERS ; VAPOR
收录类别SCI
语种英语
WOS研究方向Chemistry ; Oceanography
WOS类目Chemistry, Multidisciplinary ; Oceanography
WOS记录号WOS:000244392000014
引用统计
被引频次:12[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.isl.ac.cn/handle/363002/2294
专题青海盐湖研究所知识仓储
作者单位1.Chinese Acad Sci, Qinghai Inst Salt Lakes, Xining 810008, Qinghai, Peoples R China
2.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710075, Shaanxi, Peoples R China
3.Chinese Acad Sci, Inst Geochem, State Key Lab Environm Geochem, Guiyang 550002, Guizhou, Peoples R China
4.Univ Memphis, Dept Earth Sci, Memphis, TN 38152 USA
推荐引用方式
GB/T 7714
Xiao, Y. K.,Li, S. Z.,Wei, H. Z.,et al. Boron isotopic fractionation during seawater evaporation[J]. MARINE CHEMISTRY,2007,103(3-4):382-392.
APA Xiao, Y. K..,Li, S. Z..,Wei, H. Z..,Sun, A. D..,Liu, W. G..,...&Swihart, G. H..(2007).Boron isotopic fractionation during seawater evaporation.MARINE CHEMISTRY,103(3-4),382-392.
MLA Xiao, Y. K.,et al."Boron isotopic fractionation during seawater evaporation".MARINE CHEMISTRY 103.3-4(2007):382-392.
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