沙地榆年轮宽度指示的阿巴嘎旗151a春季降水变化
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摘要
基于采自阿巴嘎旗的沙地榆树芯建立了树轮宽度标准年表,将标准年表与气象资料进行相关分析,相关结果显示其与4-5月份降水量显著正相关,相关系数为0. 673。建立的标准年表与4-5月份降水量回归方程(R2=45. 36%)通过了可靠性检验,利用该方程得到了阿巴嘎旗1862-2012年的4-5月份降水量。重建的151a降水量序列存在2个湿润期和3个干旱期,多窗谱分析检测到该序列存在29-41a、6. 5-7a和2-3a周期。比对其他重建序列,干旱时期较为一致,历史资料记载也可证实重建序列的可靠性。
Tree-ring width standard chronology was established by elm tree-ring cores that collected from Abag Banner. The correlation between tree-ring width standard chronology and climate factors from Abag Banner weather station was analyzed. Results show that there was positive correlation between the April-May precipitation and the tree-ring width standard chronology( correlation coefficient was 0. 673). The established regression equation( R2= 45. 36%) between April-May precipitation and standard chronology had passed the reliability test and we obtained an April-May precipitation reconstruction sequence during 1862-2012. There were two wet periods and three drought periods in the reconstructed April-May precipitation sequence over the past 151 years. There were significant cycles of 29-41,6. 5-7 and 2-3 years in the reconstruction sequence by using the Multi-taper method. There had high consistency on drought periods by comparing the reconstruction sequence with other reconstruction sequences. Moreover,historical data also confirmed the reliability of the April-May precipitation reconstruction sequence.
Tree-ring width standard chronology was established by elm tree-ring cores that collected from Abag Banner. The correlation between tree-ring width standard chronology and climate factors from Abag Banner weather station was analyzed. Results show that there was positive correlation between the April-May precipitation and the tree-ring width standard chronology( correlation coefficient was 0. 673). The established regression equation( R2= 45. 36%) between April-May precipitation and standard chronology had passed the reliability test and we obtained an April-May precipitation reconstruction sequence during 1862-2012. There were two wet periods and three drought periods in the reconstructed April-May precipitation sequence over the past 151 years. There were significant cycles of 29-41,6. 5-7 and 2-3 years in the reconstruction sequence by using the Multi-taper method. There had high consistency on drought periods by comparing the reconstruction sequence with other reconstruction sequences. Moreover,historical data also confirmed the reliability of the April-May precipitation reconstruction sequence.
引文
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[24]常秀花.阿巴嘎旗浑善达克沙地生态建设初步探讨[J].内蒙古林业调查设计,2001(z1):6-7,20.
[25]梁尔源,邵雪梅,刘鸿雁,等.树轮所记录的公元1842年以来内蒙古东部浑善达克沙地PDSI的变化[J].科学通报,2007,52(14):1694-1699.
[26]马龙,刘廷玺,寇志强,等.科尔沁沙地榆树生长与水文气象因子的关系及气候重建[J].冰川冻土,2007,29(5):802-807.
[2]Baker F W G. The international geosphere biosphere programme A study of global change[J]. Interdisciplinary Science Reviews,1988,10(4):293-294.
[3]Brubaker L B. Tree rings and climate[J]. Ecology,1925,21(1):95-99.
[4]蔺甲,袁玉江,魏文寿,等.树轮记录的过去517a博州中东部年平均最低气温变化[J].干旱区资源与环境,2014,28(9):166-172.
[5]方克艳,陈秋艳,刘昶智,等.树木年代学的研究进展[J].应用生态学报,2014,25(7):1879-1888.
[6]Cook E R,D'Arrigo R D,Briffa K R. A reconstruction of the North Atlantic Oscillation using tree-ring chronologies from North America and Europe[J]. Holocene,1998,8(1):9-17.
[7]Stahle D W,Cook E R,Cleaveland M K,et al. Tree-ring data document 16th century megadrought over North America[J]. Eos Transactions American Geophysical Union,2013,81(12):121-125.
[8]Pilcher J R,Baillie M G L,Schmidt B,et al. A 7,272-year tree-ring chronology for western Europe[J]. Nature,1984,312(5990):150-152.
[9]赛西雅拉图,秦树辉,照日格图巴特尔,等.内蒙古阿巴嘎旗近期牧用草地资源荒漠化环境评价[J].干旱区资源与环境,1999,13(s1):118-121.
[10]杨银科,黄强,刘禹,等.以树木年轮密度资料重建鄂尔多斯中部地区6至10月降水量的变化[J].西北农林科技大学学报(自然科学版),2013,41(8):96-102.
[11]刘禹,史江峰,V. Shishov,等.以树轮晚材宽度重建公元1726年以来贺兰山北部5~7月降水量[J].科学通报,2004,49(3):265-269.
[12]刘禹,马利民.树轮宽度对近376年呼和浩特季节降水的重建[J].科学通报,1999,44(18):1986-1992.
[13]刘禹,相楠,宋慧明.内蒙古阿尔山过去187年温度变化的树轮记录[J].地球环境学报,2012,3(3):862-867.
[14]孙毓,王丽丽,陈津,等.利用兴安落叶松树轮最大晚材密度重建大兴安岭北部5~8月气温变化[J].科学通报,2012,57(19):1785-1793.
[15]马志远,高露双,郭静,等. TSAP软件和COFECHA软件交叉定年差异研究-以长白山阔叶红松林优势树种红松为例[J].四川农业大学学报,2014,32(2):141-147.
[16]彭小梅,肖生春,肖洪浪.树木年轮轮宽年表建立方法研究进展[J].中国沙漠,2013,33(3):857-865.
[17]Bunn A G,Sharac T J,Graumlich L J. Using a simulation model to compare methods of tree-ring detrending and to investigate the detectability of low-frequency signals[J]. Tree-Ring Research,2004,60(2):77-90.
[18]赵守栋,江源,焦亮,等. ARSTAN程序和R语言dplR扩展包进行树轮年表分析的比较研究[J].生态学报,2015,35(22):7494-7502.
[19]李江风,袁玉江,由希尧.树木年轮水文学研究与应用[M].北京:科学出版社,2000.
[20]江志红,屠其璞,施能.多窗谱分析方法及其在全球变暖研究中的应用[J].气象学报,2001,59(4):480-490.
[21]Zhang Y,Wallace J M,Battisti D S. ENSO-like interdecadal variability:1900-93[J]. Journal of Climate,1996,10(5):1004-1020.
[22]Willson R C,Hudson H S. Solar luminosity variations in solar cycle 21[J]. Nature,1988,332(6167):810-812.
[23]Raspopov O M,Dergachev V A,Kolstr9m T. Periodicity of climate conditions and solar variability derived from dendrochronological and other palaeoclimatic data in high latitudes[J]. Palaeogeography,2004,209(1-4):127-139.
[24]常秀花.阿巴嘎旗浑善达克沙地生态建设初步探讨[J].内蒙古林业调查设计,2001(z1):6-7,20.
[25]梁尔源,邵雪梅,刘鸿雁,等.树轮所记录的公元1842年以来内蒙古东部浑善达克沙地PDSI的变化[J].科学通报,2007,52(14):1694-1699.
[26]马龙,刘廷玺,寇志强,等.科尔沁沙地榆树生长与水文气象因子的关系及气候重建[J].冰川冻土,2007,29(5):802-807.
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