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祁连山老虎沟冰芯草酸根和氟离子的记录及环境意义

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崔晓庆, 任贾文, 秦翔, 余光明, 刘伟刚, 谢爱红. 祁连山老虎沟冰芯草酸根和氟离子的记录及环境意义[J]. 环境化学, 2011, 30(11): 1919-1925.
引用本文: 崔晓庆, 任贾文, 秦翔, 余光明, 刘伟刚, 谢爱红. 祁连山老虎沟冰芯草酸根和氟离子的记录及环境意义[J]. 环境化学, 2011, 30(11): 1919-1925.
shu
CUI Xiaoqing, REN Jiawen, QIN Xiang, YU Guangming, LIU Weigang, XIE Aihong. OXALATE, FLORIDE RECORD AND THEIR ENVIRONMENTAL SIGNIFICANCE IN LAOHUGOU GLACIER 12 QILIAN MOUNTAINS[J]. Environmental Chemistry, 2011, 30(11): 1919-1925.
Citation: CUI Xiaoqing, REN Jiawen, QIN Xiang, YU Guangming, LIU Weigang, XIE Aihong. OXALATE, FLORIDE RECORD AND THEIR ENVIRONMENTAL SIGNIFICANCE IN LAOHUGOU GLACIER 12 QILIAN MOUNTAINS[J]. Environmental Chemistry, 2011, 30(11): 1919-1925.
shu

祁连山老虎沟冰芯草酸根和氟离子的记录及环境意义

  • 1.

    中国科学院寒区旱区环境与工程研究所, 冰冻圈科学国家重点实验室, 兰州, 730000;

  • 2.

    中国科学院寒区旱区环境与工程研究所, 祁连山冰川与生态环境综合观测研究站, 兰州, 730000;

  • 3.

    中国气象局兰州干旱气象研究所, 甘肃省干旱气候变化与减灾重点实验室, 兰州, 730020

  • 基金项目:

    国家重点基础研究发展计划(973)项目(2007CB411501)

    科技部科技基础性专项项目(2006FY1102003)

    冰冻圈科学国家重点实验室自主课题(SKLCS09-04)资助.

OXALATE, FLORIDE RECORD AND THEIR ENVIRONMENTAL SIGNIFICANCE IN LAOHUGOU GLACIER 12 QILIAN MOUNTAINS

  • 1.

    State Key Laboratory of Cryospheric Science, Cold and Arid Region Environment and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou, 730000, China;

  • 2.

    Qilian Shan Station of Glaciology and Ecologic Environment, Lanzhou, 730000, China;

  • 3.

    Institute of Arid Meteorology, China Meteorological Administration, Key Laboratory of Arid Climatic Change and Reducing Disaster of Gansu Province, Lanzhou, 730020, China

  • Fund Project:

  • 摘要: 2006年6月,在祁连山老虎沟12号冰川海拔5040 m的粒雪盆钻取的20.12 m冰芯,该冰芯定年至1960年.本文分析了冰芯样品中草酸根和氟离子含量,冰芯所记录的过去46年草酸根的平均含量为(18.52±2.4) ng·g-1,其含量变化与气温变化具有很好的一致性,表明气温可能是影响草酸根浓度变化的因素之一.20世纪80年代中期以来冰芯中草酸根含量波动中呈现明显的上升趋势,可能与周边地区石油燃料、工业生产等人类活动的加剧有关.自1980年以来冰芯中氟离子也呈现明显的上升趋势,分析显示,老虎沟12号冰川的氟离子主要为局地自然来源和工业生产来源,1980年以来高于背景值的氟离子含量主要受人类工业生产的影响.
    Abstract: In June 2006, a 20.12m ice core was obtained at an elevation of 5040 m from the Laohugou Glacier 12, Qilian Mountains, which was dated back to 1960. Oxalate and fluoride historic records were analyzed. The result shows that average oxalate concentration is (18.52�2.4) ng·g-1 in the past 46 years, and its variation is consistent with temperature change, indicating that temperature influences oxalate concentration. The abrupt increase of oxalate concentration since mid 1980's reflects atmospheric pollution by human and industrial activities. Fluoride in Glacier 12 showed an obvious upward trend since 1980s. Analysis indicated that fluoride in glacier 12 was mainly from the local area, such as fluoride-bearing minerals surrounding Qilian Mountains. Since 1980's, the rapid increase of fluoride was mainly affected by industrial production activities.
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  • 收稿日期:  2011-01-19
崔晓庆, 任贾文, 秦翔, 余光明, 刘伟刚, 谢爱红. 祁连山老虎沟冰芯草酸根和氟离子的记录及环境意义[J]. 环境化学, 2011, 30(11): 1919-1925.
引用本文: 崔晓庆, 任贾文, 秦翔, 余光明, 刘伟刚, 谢爱红. 祁连山老虎沟冰芯草酸根和氟离子的记录及环境意义[J]. 环境化学, 2011, 30(11): 1919-1925.
shu
CUI Xiaoqing, REN Jiawen, QIN Xiang, YU Guangming, LIU Weigang, XIE Aihong. OXALATE, FLORIDE RECORD AND THEIR ENVIRONMENTAL SIGNIFICANCE IN LAOHUGOU GLACIER 12 QILIAN MOUNTAINS[J]. Environmental Chemistry, 2011, 30(11): 1919-1925.
Citation: CUI Xiaoqing, REN Jiawen, QIN Xiang, YU Guangming, LIU Weigang, XIE Aihong. OXALATE, FLORIDE RECORD AND THEIR ENVIRONMENTAL SIGNIFICANCE IN LAOHUGOU GLACIER 12 QILIAN MOUNTAINS[J]. Environmental Chemistry, 2011, 30(11): 1919-1925.
shu

祁连山老虎沟冰芯草酸根和氟离子的记录及环境意义

  • 1.  中国科学院寒区旱区环境与工程研究所, 冰冻圈科学国家重点实验室, 兰州, 730000;
  • 2.  中国科学院寒区旱区环境与工程研究所, 祁连山冰川与生态环境综合观测研究站, 兰州, 730000;
  • 3.  中国气象局兰州干旱气象研究所, 甘肃省干旱气候变化与减灾重点实验室, 兰州, 730020
  • 收稿日期:  2011-01-19
基金项目:

国家重点基础研究发展计划(973)项目(2007CB411501)

科技部科技基础性专项项目(2006FY1102003)

冰冻圈科学国家重点实验室自主课题(SKLCS09-04)资助.

摘要: 2006年6月,在祁连山老虎沟12号冰川海拔5040 m的粒雪盆钻取的20.12 m冰芯,该冰芯定年至1960年.本文分析了冰芯样品中草酸根和氟离子含量,冰芯所记录的过去46年草酸根的平均含量为(18.52±2.4) ng·g-1,其含量变化与气温变化具有很好的一致性,表明气温可能是影响草酸根浓度变化的因素之一.20世纪80年代中期以来冰芯中草酸根含量波动中呈现明显的上升趋势,可能与周边地区石油燃料、工业生产等人类活动的加剧有关.自1980年以来冰芯中氟离子也呈现明显的上升趋势,分析显示,老虎沟12号冰川的氟离子主要为局地自然来源和工业生产来源,1980年以来高于背景值的氟离子含量主要受人类工业生产的影响.

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