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| 中亚干旱区五万年以来气候变化综述 | |
| 引用本文： | 黄昌庆,冉敏,杨建.中亚干旱区五万年以来气候变化综述[J].铜仁学院学报,2013,15(1):132-136. |
| 作者姓名： | 黄昌庆 冉敏 杨建 |
| 作者单位： | 1. 铜仁学院法律与政史系,贵州铜仁,554300 2. 新疆大学绿洲生态教育部重点实验室,新疆乌鲁木齐,830046 3. 铜仁学院科研处,贵州铜仁,554300 |
| 基金项目： | 国家自然科学基金重点项目“中亚干旱带核心区域全新世生物气候变化的高分辩率重建”(No:40671190);美国国家自然科学基金项目“Bioclimatic reconstruction of the past 50,000 years from eolian sequences inwesterlies-dominated Central Asia”(NSF-BCS-06-52304);贵州省科学技术基金项目“梵净山自然文化遗产保护与可持续发展研究”(黔科合J字〔2012〕2320号)成果 |
| 摘 要： | 位于以夏季降水为主的季风气候系统和以冬季降水为主的西风气候系统的过渡地带的中亚干旱区，包括哈萨克斯坦东部、新疆西部和吉尔吉斯斯坦东北部。综合中亚干旱区过去的地质记录等研究资料发现中亚干旱区过去五万年气候干旱程度的变化：在42～30kyrBP期间，气候比较湿润；在28～13kyrBP期间，气候比较干旱；在12～5kyrBP期间，多数研究显示气候比较湿润；5kyrBP以来，地质记录复杂，对于气候干旱程度有很大的分岐。中亚干旱区古气候变化在万年尺度上主要与地球轨道要素变化引起北半球太阳辐射变化有关。 |
| 关 键 词： | 中亚干旱区 古气候变化 黄土 冰期 |
A Review of 50000 Years Climate Change in Central Asia Arid Zone |
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| HUANG Chang-qing , RAN Min , YANG Jian.A Review of 50000 Years Climate Change in Central Asia Arid Zone[J].Journal of Tongren University,2013,15(1):132-136. | |
| Authors: | HUANG Chang-qing RAN Min YANG Jian |
| Institution: | 1.Law,political and history department,Tongren University,Tongren 554300,Guizhou,China;2.MOE Key Laboratory of Oasis Ecology,Xinjiang University,Urumqi 830046,Xinjiang,China;3.Science research department,Tongren University,Tongren 554300,Guizhou,China) |
| Abstract: | Central Asia arid zone, including eastern Kazakhstan, northeast Kyrgyzstan and western Xinjiang, is located in transition zone between the summer-precipitation-monsoon climate system and winter-precipitation-westerly climate system. By comprehensive analysis the past geological records and research material in central Asia arid zone, how dry or humid is revealed over the past 50000 years in central Asia arid zone. 42-30 kyr BP, climate is wet; 28-13 kyr BP, climate is arid; 12-5 kyr BP, most records show that climate is wetter; After 5 kyr BP, the geologic record is complex, they don＇t imply the same dry or wet climate. In ten thousand major scales, climate change in central Asia arid zone is related with the earth＇s orbital elements changes, which is associated with changes in the northern hemisphere solar radiation. |
| Keywords: | Central Asia arid zone Climate change Loess Glaciation |
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