[1]张月丛,张才玉,成福伟,等.承德市近58年气温和降水序列多时间尺度分析[J].水土保持研究,2012,19(05):70-73.
　ZHANG Yue-cong,ZHANG Cai-yu,CHENG Fu-wei,et al.Multi-Time Scale Analysis of Temperature and Precipitation in Recent 58 Years in Chengde City[J].Research of Soil and Water Conservation,2012,19(05):70-73.
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承德市近58年气温和降水序列多时间尺度分析

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 19 期数: 2012年05期 页码: 70-73 栏目: 出版日期: 2012-10-20
Title:
Multi-Time Scale Analysis of Temperature and Precipitation in Recent 58 Years in Chengde City
作者:
张月丛1, 张才玉2, 成福伟1, 孟宪峰1, 杨依天3
1. 河北民族师范学院, 河北, 承德067000;
2. 北京大学, 城市与环境学院, 北京100871;
3. 中国科学院, 地理科学与资源研究所, 北京100101
Author(s):
ZHANG Yue-cong1, ZHANG Cai-yu2, CHENG Fu-wei1, MENG Xian-feng1, YANG Yi-tian3
1. Hebei Normal University for Nationalities, Chengde, Hebei 067000, China;
2. College of Environmental Sciences, Peking University, Beijing 100871, China;
3. Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China
关键词:
小波分析; 气温; 降水; 尺度效应; 承德市
Keywords:
wavelet analysis; temperature; precipitation; scale effect; Chengde City
分类号:
P332.6
摘要:
利用墨西哥帽小波(Mexican Hat)函数对承德市1951-2008年共696个月的气温和降水数据进行多尺度分析，确定序列中存在的主周期，并用Mann-Kendall法进行检验。结果表明：承德市气候总体变化特征为小尺度变化嵌套在较大尺度的复杂背景之中，气温序列数据表现出14 a、6 a和2 a左右变化周期，14 a左右为变化主周期。降水序列数据表现出10～12 a，4 a和1 a左右周期，4 a左右为变化主周期。气温序列14 a主周期反应冷暖交替的情况，21世纪以前在多尺度波动的背景下，气温呈现上升的总趋势。降水序列4 a尺度主周期反应干湿交替的情况，表明多雨年份明显减少，且当前降水仍然偏少。
Abstract:
By using Mexican Hat Wavelet to analyze the multi-scale characteristics of the temperature and precipitation data for 696 months during 1951-2008 to determine the main cycle in the sequences and test by the Mann-Kendall method, the conclusion has been drawn that the overall climate feature in Chengde was that small scale change was embedded in the large-scale complex background. Temperature sequence data showed the general cycle was 14 a, 6 a and 2 a, and 14 a was the main cycle. Precipitation sequence data revealed the general cycle was the 11 a, 4 a and 1 a, and 4 a was the main cycle. The main cycle 14 a of the temperature sequence showed the state of alternation of cold and warm and the overall trend of temperature rise in the multi-scale background before 21 century. The main cycle 4 a of the precipitation sequence showed the alternation of wetness and drought, and the sharp reduction of rainy years and less precipitation.

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备注/Memo

收稿日期:2012-2-1;改回日期:2012-4-14。
基金项目:河北省高等学校自然科学研究项目(Z2009202)
作者简介:张月丛(1964- )，女，河北无极人，副教授，理学硕士，主要从事自然地理学教学和土地资源研究工作。E-mail：zirandili2006@163.com

更新日期/Last Update: 1900-01-01