气候变暖背景下内蒙古大兴安岭生态功能区冷暖急转气候特征

doi:10.7522/j.issn.1000-0240.2018.0096

冰川冻土 ›› 2018, Vol. 40 ›› Issue (5): 892-898.doi: 10.7522/j.issn.1000-0240.2018.0096

气候变暖背景下内蒙古大兴安岭生态功能区冷暖急转气候特征

代海燕¹, 边玉明², 安莉娟³, 都瓦拉¹, 王晓江⁴, 李丹¹

1. 内蒙古生态与农业气象中心, 内蒙古呼和浩特 010051;
2. 内蒙古农业大学林学院, 内蒙古呼和浩特 010019;
3. 内蒙古气候中心, 内蒙古呼和浩特 010051;
4. 内蒙古林业科学研究院, 内蒙古呼和浩特 010010

收稿日期:2017-09-15 修回日期:2018-01-03 出版日期:2018-10-25 发布日期:2018-12-10
通讯作者: 都瓦拉,E-mail:dwlrsgis@163.com. E-mail:dwlrsgis@163.com
作者简介:代海燕(1978-),男,辽宁阜新人,高级工程师,2008年在内蒙古农业大学获博士学位,从事林业气象与生态气象研究.E-mail:daihaiyan2003@163.com
基金资助:
国家自然科学基金项目（41461102）；林业公益性行业科研专项（201304206）；内蒙古自治区自然科学基金项目（2016MS0376）资助

Climatic feature of temperature sharp turn in the Greater Khingan Range ecological function areas in Inner Mongolia, on the background of climate warming

DAI Haiyan¹, BIAN Yuming², AN Lijuan³, DU Wala¹, WANG Xiaojiang⁴, LI Dan¹

1. Inner Mongolia Ecology and Agricultural Meteorology Centre, Hohhot 010051, China;
2. Forestry College, Inner Mongolia Agricultural University, Hohhot 010019, China;
3. Inner Mongolia Climate Centre, Hohhot 010051, China;
4. Inner Mongolia Academy of Forestry Science, Hohhot 010010, China

Received:2017-09-15 Revised:2018-01-03 Online:2018-10-25 Published:2018-12-10

摘要/Abstract

摘要： 1961-2015年内蒙古大兴安岭生态功能区气候变暖趋势明显，其气温突变年份为1987年。在气候变暖的背景下，生态功能区的严寒和寒冷日数在突变前呈减少趋势、在突变后呈增加趋势，表明突变后冬季冷天日数并没有明显减少趋势；炎热和温暖日数在突变后呈极显著增加趋势，而暖天日数突变前后变化较为平缓。综合来看，在气候变暖的背景下气温突变后高温日数增加要显著多于低温日数增加。过渡期日数变化趋势特征表明，严寒炎热过渡期、寒冷温暖过渡期和冷暖过渡期在突变后明显变短，生态功能区冷暖急转现象尤为明显。在历年尺度上，冷暖过渡期日数变化随着温度范围的扩大而减少幅度在加大。

关键词: 大兴安岭, 气候变化, 冷暖划分, 冷暖过渡期, 冷暖急转

Abstract: The climate warming trend in the Greater Khingan Range ecological function areas in Inner Mongolia was obvious in 1961-2015, which temperature mutation year was 1987. On the background of climate warming, the severe cold and cold days in the study area showed a decreasing trend before the temperature mutation, and the tendency to increase after mutation, which indicated that no significant decrease in the number of cold days after the temperature mutation. The annual severe warm and warm days increased significantly after the temperature mutation, and slight warm days changed gently in fifty-five years. The cold and warm temperature limit and the trend of the transition period indicate that the number of days of high temperature increased significantly higher than the number of days of low temperature increased after the temperature mutation. The transition periods between severe warm and severe cold, warm and cold, and slight warm and slight cold days were significantly shorter. The phenomenon of temperature sharp turn in the area after the temperature mutation was particularly obvious. The change of the number of days of warm and cold transition period over the years increased with the expansion of temperature range.

Key words: Greater Khingan Range, climatic change, temperature defined, cold and warm transition period, temperature sharp turn

中图分类号:

P468.0+21

代海燕, 边玉明, 安莉娟, 都瓦拉, 王晓江, 李丹. 气候变暖背景下内蒙古大兴安岭生态功能区冷暖急转气候特征[J]. 冰川冻土, 2018, 40(5): 892-898.

DAI Haiyan, BIAN Yuming, AN Lijuan, DU Wala, WANG Xiaojiang, LI Dan. Climatic feature of temperature sharp turn in the Greater Khingan Range ecological function areas in Inner Mongolia, on the background of climate warming[J]. Journal of Glaciology and Geocryology, 2018, 40(5): 892-898.

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气候变暖背景下内蒙古大兴安岭生态功能区冷暖急转气候特征

Climatic feature of temperature sharp turn in the Greater Khingan Range ecological function areas in Inner Mongolia, on the background of climate warming

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