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| 新疆阿尔泰山地区极端水文事件对气候变化的响应 | |
| 引用本文： | 贺斌,王国亚,苏宏超,沈永平.新疆阿尔泰山地区极端水文事件对气候变化的响应[J].冰川冻土,2012,34(4):927-933. |
| 作者姓名： | 贺斌 王国亚 苏宏超 沈永平 |
| 作者单位： | 1. 新疆阿勒泰水文水资源勘测局,新疆阿勒泰,836500 2. 中国科学院寒区旱区环境与工程研究所,甘肃兰州,730000 3. 新疆水文水资源局,新疆乌鲁木齐,830000 |
| 基金项目： | 全球变化研究国家重大科学研究计划项目，国家自然科学基金项目 |
| 摘 要： | 新疆北部阿尔泰山地区受西风带气流影响,降水丰沛,尤其冬季积雪厚而稳定,山区产流发育了额尔齐斯河与乌伦古河,从西到东形成主要支流十余条.在全球气候变化下,山区气温上升明显,极端降水增多,气候变暖带来的水循环加快,极端水文事件也趋于增多.由于冬季气温升高,春季积雪消融提前,春季融雪洪水提前,洪峰流量增强;夏季极端降水增加,使得暴雨洪水增多.由于冬、春季积雪增多,雪灾发生频率增加,春季的融雪洪水灾害危害增强.极端水文事件引起的自然灾害已经威胁到阿勒泰地区的牧业生产、交通安全和水资源供给,应加强水文水资源安全对气候变化的应对措施,提高水资源安全保障,减缓气候变化的危害. |
| 关 键 词： | 气候变化 洪水事件 水文响应 阿尔泰山 新疆 |
Response of Extreme Hydrological Events to Climate Change in the Regions of Altay Mountains,Xinjiang |
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| HE Bin,WANG Guo-ya,SU Hong-chao,SHEN Yong-ping.Response of Extreme Hydrological Events to Climate Change in the Regions of Altay Mountains,Xinjiang[J].Journal of Glaciology and Geocryology,2012,34(4):927-933. | |
| Authors: | HE Bin WANG Guo-ya SU Hong-chao SHEN Yong-ping |
| Institution: | 1.Hydrology and Water Resources Reconnaissance Bureau of Altay Prefecture,Altay Xinjiang 836500,China;2.Cold and arid regions environment and engineering research institute,Chinese Academy of Sciences,Lanzhou Gansu 730000,China;3.Xinjiang Hydrology and Water Resources Bureau,ürümqi Xinjiang 830000,China) |
| Abstract: | The regions of Altay Mountains is located in the northern of Xinjiang,boundaries with Mongolia,Russian and Kazakhstan,and influenced by the westerly air,with abundant rainfall,especially during winter with thick and stable snow cover.The Altay Mountains regions are the headwaters of the Irtysh River and the Ulungur River,with more than 10 major tributaries from west to east.Under global climate change,the mountain region is warming obviously,extreme precipitation increasing,the extreme hydrological events also tend to intensities due to the water cycle accelerated.As the winter warming,earlier ablation snow covers in the spring,the date snowmelt floods occurred moving toward early and the peak discharge intensity;the strength extreme precipitation in summer resulted in the rainstorm flood increasing.The frequency of the snow disasters are increasing due to snow increasing in seasons of winter and spring,and the spring snowmelt floods hazards enhancing.The livestock production,the transporting operation safety and water supply of the Altay Region have been threatened by the natural disasters that caused by extreme hydrological events,so it is necessary to strengthen the security responding measures of the hydrology and water resources to climate change,improve water security,mitigate the harm of climate change. |
| Keywords: | climate change flood events hydrological response Altay Mountains Xinjiang |
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