globalchange  > 过去全球变化的重建
DOI: 10.1016/j.quascirev.2015.01.020
Scopus记录号: 2-s2.0-84922735204
论文题名:
The impact of using different modern climate data sets in pollen-based paleoclimate reconstructions of North America
作者: Ladd M.; Way R.G.; Viau A.E.
刊名: Quaternary Science Reviews
ISSN: 2773791
出版年: 2015
卷: 112
起始页码: 78
结束页码: 85
语种: 英语
英文关键词: Last 2000 years ; Modern calibration dataset ; North America ; Pollen reconstruction
Scopus关键词: Geology ; Natural sciences ; Climate reconstruction ; Continental scale ; Last 2000 years ; Modern calibration dataset ; North America ; Paleoclimate reconstruction ; Station based datum ; Ultrahigh resolution ; Repair ; calibration ; data set ; paleoclimate ; paleotemperature ; palynology ; pollen ; reconstruction ; North America
英文摘要: The use of different modern climate data sets is shown to impact a continental-scale pollen-based reconstruction of mean July temperature (TJUL) over the last 2000 years for North America. Data from climate stations, physically modeled from climate stations and reanalysis products are used to calibrate the reconstructions. Results show that the use of reanalysis products produces warmer and/or smoother reconstructions as compared to the use of station based data sets. The reconstructions during the period of 1050-1550 CE are shown to be more variable because of a high latitude cold-bias in the modern TJUL data. The ultra-high resolution WorldClim gridded data may only useful if the modern pollen sites have at least the same spatial precision as the gridded dataset. Hence we justify the use of the lapse-rate corrected University of East Anglia Climate Research Unit (CRU) based Whitmore modern climate data set for North American pollen-based climate reconstructions. © 2015 Elsevier Ltd.
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被引频次[WOS]:7   [查看WOS记录]     [查看WOS中相关记录]
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/59994
Appears in Collections:过去全球变化的重建

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作者单位: Laboratory for Paleoclimatology and Climatology, Department of Geography, University of Ottawa, Ottawa, ON, Canada; Department of Geography, University of Ottawa, Ottawa, ON, Canada

Recommended Citation:
Ladd M.,Way R.G.,Viau A.E.. The impact of using different modern climate data sets in pollen-based paleoclimate reconstructions of North America[J]. Quaternary Science Reviews,2015-01-01,112
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