DOI: 10.1016/j.palaeo.2014.08.006
论文题名: Early Pliocene paleo-altimetry of the Zanda Basin indicated by a sporopollen record
作者: Wu F. ; Herrmann M. ; Fang X.
刊名: Palaeogeography, Palaeoclimatology, Palaeoecology
ISSN: 0031-0182
出版年: 2014
卷: 412 起始页码: 261
结束页码: 268
语种: 英语
英文关键词: Dark coniferous forest
; Early Pliocene
; Paleo-altimetry
; Sporopollen record
; Zanda Basin
英文摘要: Whether the uplift of the Tibetan Plateau (TP) led to the origin and development of the Indian monsoon is still in dispute. A helpful indicator would be greater knowledge about the chronological development of paleo-altimetry. The Zanda Basin, located on the SW margin of the TP, forms one of the most extensive Cenozoic sedimentary basins in Tibet. The modern climate of this area is controlled by the Indian Monsoon circulation system. It is thus an appropriate region for the study of paleo-altimetry, in addition to research into the relation between the TP and the Indian Monsoon. Sporopollen analyses of early Pliocene lacustrine strata in the Zanda Basin show that gymnosperm pollen is dominant (av. 77%) and mainly composed of Picea (av. 27.2%) and Abies (av. 24.2%); fern spores occupy a lesser proportion (av. 17.6%), while angiosperm pollen including temperate, sub-tropical broadleaved trees, shrubs and herbs, accounts for only a small proportion of the assemblage. This sporopollen assemblage suggests that sub-alpine dark coniferous forests were distributed around the basin and grow in a cool and wet climate, rather than in a modern alpine steppe environment. These characteristics indicate that the Zanda Basin's altitude throughout the early Pliocene was most probably lower than it is at present. © 2014 Elsevier B.V. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/69232
Appears in Collections: 过去全球变化的重建
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作者单位: Key Laboratory of Continental Collision and Plateau Uplift, Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing, China; BFU-Buero fu¨r Umwelttechnologien GmbH, Gelnhausen, Germany
Recommended Citation:
Wu F.,Herrmann M.,Fang X.. Early Pliocene paleo-altimetry of the Zanda Basin indicated by a sporopollen record[J]. Palaeogeography, Palaeoclimatology, Palaeoecology,2014-01-01,412