Arid
DOI10.1016/j.quascirev.2016.02.001
Quantitative woody cover reconstructions from eastern continental Asia of the last 22 kyr reveal strong regional peculiarities
Tian, Fang1,2; Cao, Xianyong1; Dallmeyer, Anne3; Ni, Jian1,4; Zhao, Yan5; Wang, Yongbo1; Herzschuh, Ulrike1,2
通讯作者Cao, Xianyong
来源期刊QUATERNARY SCIENCE REVIEWS
ISSN0277-3791
出版年2016
卷号137页码:33-44
英文摘要

We present a calibration-set based on modern pollen and satellite-based Advanced Very High Resolution Radiometer (AVHRR) observations of woody cover (including needleleaved, broadleaved and total tree cover) in eastern continental Asia, which shows good performance under cross-validation with the modern analogue technique (all the coefficients of determination between observed and predicted values are greater than 0.65). The calibration-set is used to reconstruct woody cover from a taxonomically harmonized and temporally standardized fossil pollen dataset (including 274 cores) with 500-year resolution over the last 22 kyr. The spatial range of forest has not noticeably changed in eastern continental Asia during the last 22 kyr, although woody cover has, especially at the margin of the eastern Tibetan Plateau and in the forest-steppe transition area of north-central China. Vegetation was sparse during the LGM in the present forested regions, but woody cover increased markedly at the beginning of the Bolling/Allerod period (B/A; ca. 14.5 ka BP) and again at the beginning of the Holocene (ca. 11.5 ka BP), and is related to the enhanced strength of the East Asian Summer Monsoon. Forest flourished in the mid Holocene (ca. 8 ka BP) possibly due to favourable climatic conditions. In contrast, cover was stable in southern China (high cover) and arid central Asia (very low cover) throughout the investigated period. Forest cover increased in the north-eastern part of China during the Holocene. Comparisons of these regional pollen-based results with simulated forest cover from runs of a global climate model (for 9, 6 and 0 ka BP (ECHAM5/JSBACH similar to 1.125 degrees spatial resolution)) reveal many similarities in temporal change. The Holocene woody cover history of eastern continental Asia is different from that of other regions, likely controlled by different climatic variables, i.e. moisture in eastern continental Asia; temperature in northern Eurasia and North America. (C) 2016 Elsevier Ltd. All rights reserved.


英文关键词Pollen AVHRR Modern analogue technique Quantitative reconstruction East Asian summer monsoon
类型Article
语种英语
国家Germany ; Peoples R China
收录类别SCI-E
WOS记录号WOS:000373547100003
WOS关键词POLLEN SOURCE AREA ; MODERN VEGETATIONAL GRADIENTS ; GLACIAL MAXIMUM CLIMATE ; TIBETAN PLATEAU ; HOLOCENE VEGETATION ; PLANT-MACROFOSSIL ; FOREST COVER ; NE CHINA ; QUATERNARY ; MODEL
WOS类目Geography, Physical ; Geosciences, Multidisciplinary
WOS研究方向Physical Geography ; Geology
来源机构中国科学院地理科学与资源研究所
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/195853
作者单位1.Helmholtz Ctr Polar & Marine Res, Alfred Wegener Inst, Res Unit Potsdam, Telegrafenberg A43, D-14473 Potsdam, Germany;
2.Univ Potsdam, Inst Earth & Environm Sci, Karl Liebknecht Str 24, D-14476 Potsdam, Germany;
3.Max Planck Inst Meteorol, KlimaCampus,Bundesstr 53, D-20146 Hamburg, Germany;
4.Chinese Acad Sci, Inst Geochem, State Key Lab Environm Geochem, Guanshui Rd 46, Guiyang 550002, Peoples R China;
5.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Datun Rd 11, Beijing 100101, Peoples R China
推荐引用方式
GB/T 7714
Tian, Fang,Cao, Xianyong,Dallmeyer, Anne,et al. Quantitative woody cover reconstructions from eastern continental Asia of the last 22 kyr reveal strong regional peculiarities[J]. 中国科学院地理科学与资源研究所,2016,137:33-44.
APA Tian, Fang.,Cao, Xianyong.,Dallmeyer, Anne.,Ni, Jian.,Zhao, Yan.,...&Herzschuh, Ulrike.(2016).Quantitative woody cover reconstructions from eastern continental Asia of the last 22 kyr reveal strong regional peculiarities.QUATERNARY SCIENCE REVIEWS,137,33-44.
MLA Tian, Fang,et al."Quantitative woody cover reconstructions from eastern continental Asia of the last 22 kyr reveal strong regional peculiarities".QUATERNARY SCIENCE REVIEWS 137(2016):33-44.
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