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引用本文:张振克,吴瑞金,王苏民,夏威岚,吴艳宏,瞿文川.近2600年来内蒙古居延海湖泊沉积记录的环境变迁.湖泊科学,1998,10(2):44-51. DOI:10.18307/1998.0208
Zhang Zhenke,Wang Sumin,Wu Ruijin,Wu Yanhong,Qu Wenchuan.Environmental Changes Recorded byLakeSediments from East Juyanhai Lake in Inner M ongolia During the Past 2600 Years. J. Lake Sci.1998,10(2):44-51. DOI:10.18307/1998.0208
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近2600年来内蒙古居延海湖泊沉积记录的环境变迁
张振克1,2, 吴瑞金1, 王苏民1, 夏威岚1, 吴艳宏1, 瞿文川1
1.中国科学院南京地理与湖泊研究所湖泊沉积与环境开放实验室, 南京 210008;2.烟台师范学院地理系烟台 264025
摘要:
根据东居延海S1孔湖泊沉积柱状岩芯的多环境指标分析结果.将近2600年来湖泊沉积物记录的环境演化过程分为十个阶段.湖泊沉积记录的气候组合特点具有冷湿→暖湿(冷干)→暖干→冷湿的过程.现阶段处于暖干阶段,预测未来气候向偏湿方向变化.近2600年来自然的气候变化在居延海湖泊环境演化中居于主导地位,而人类活动只是在特定时段对湖泊环境产生较大影响.
关键词:  湖泊沉积  环境变迁  人类活动  居延海
DOI:10.18307/1998.0208
分类号:
基金项目:中国科学院湖沼专项与国家自然科学基金(49672132)
Environmental Changes Recorded byLakeSediments from East Juyanhai Lake in Inner M ongolia During the Past 2600 Years
Zhang Zhenke1,2, Wang Sumin1, Wu Ruijin1, Wu Yanhong1, Qu Wenchuan1
1.Lake Sedimentation and Envionment Lab.,Nanjing Institute of Geography & Limnology. CAS. Nanjing 210008;2.Geography Department of Yantal Normal College. Yantai 264025
Abstract:
Based on the data of environmentaI muhiproxy of lake sediments from S1 Core in East Juyanhai Lake.Inner M ongolia·there were ten stages of environmental evolution recorded by lake sediments during the past 2600 years. The characteristics of climate assembleges have a feature with the process of cold wet~ warm wet(cold dry) warm dry-cold wet. Now the climate is in the period of warm dry.the future climate will be inclined to wet.The natural climate change played as important role in the process of envlronmental evolution _n the area of Juyanhai Lake during the past 2600 years.and human activities affcted the lake environment greatly only in a special period.
Key words:  Lake sediments  environmental changes  human activities  Juyanhai Lake
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