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新疆沙湾夏季最低气温的重建和分析

期刊名称：地球环境学报
时间：2012.6.6
页码：868-873
分类：P467[天文地球—大气科学及气象学]
作者机构：[1]中国气象局乌鲁木齐沙漠气象研究所新疆树木年轮生态实验室,中国气象局树木年轮理化研究重点开放实验室,乌鲁木齐830002, [2]乌鲁木齐市气象局,乌鲁木齐830001
相关基金：国家自然科学重大基金（40890051）;国家自然科学基金（40975056,41071072,41205070）;科技部公益性行业（气象）科研专项（GYHY201106013,GYHY201206026）;国家重点基础研究发展计划项目（2010CB951001）;新疆维吾尔自治区树木年轮生态重点实验室开放课题项目（XJYS0911-2009-01）;新疆气象局科学技术研究与应用技术开发项目（气候因子对巩乃斯河山区树木年轮密度的影响评估研究）
相关项目：新疆天山北麓基于树木年轮气候重建的云杉种群生态学研究

作者：喻树龙|

关键词：树木年轮, 夏季最低气温, 沙湾, 重建, Shawan , tree-ring chronology , the minimum temperature in summer, reconstruction

中文摘要：

利用相关、响应面和偏相关等方法分析采自奎屯河流域的沙大王东采点的树轮年表与沙湾气象站的气象资料之间的关系发现，沙大王东的树木年轮生长受当年、上年、再上年的6_8月最低气温和上年7—8月降水量的制约，其中上年6—8月最低气温和上年7—8月降水在树木年轮的生长时存在相互影响的关系。利用沙大王东采点的树轮年表重建了1650-2001年的沙湾夏季最低气温。分析452a的重建气温序列发现，沙湾夏季最低气温冷暖阶段与精河和呼图壁对应较好．存在9个突变年份和2．0—2．4a、60a和75a的周期变化。

英文摘要：

According to single correlation, response face and partial correlation screen indicated that the correlation were significant between tree-ring chronologies of Shadawangdong （SDD） site of Kuitun River and the climatic date of Shawan. As a result, growing of the tree rings was influenced by minimum temperature of the same, the last year, the year before last year in summer and precipitation of the last year in July--August. At the same time, temperature and precipitation were restricted each other. Using tree-ring chronologies, the monthly minimum temperature in the recent 452 a was well reconstructed, and the equation reconstructed was stable by crossing-test. The temperature sequences analyzed find out that in the recent 452 a, the temperature reconstructed has 10 warm periods above its mean and 9 cold periods bellow its mean. The monthly minimum temperature series in the recent 452 a from June to August reconstructed in the Shawan, have significant changing periods of 2.0 - 2.4 a, 60 a and 75 a. The abrupt changes of temperature occurred 9 times.

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