Vegetation variations and associated environmental changes during marine isotope stage 3 in the western part of the Chinese Loess Plateau
This study further investigates the reported "uniqueness" of MIS 3 climatic changes in northwestern China by focusing on the MIS 3 lacustrine-wetland sequences in the western part of the Chinese Loess Plateau. The lacustrine-wetland sequence at the Suancigou section documented four major e...
Published in: | Palaeogeography, Palaeoclimatology, Palaeoecology |
---|---|
Main Authors: | , , , , , , , , , , |
Format: | Report |
Language: | English |
Published: |
ELSEVIER SCIENCE BV
2007
|
Subjects: | |
Online Access: | http://ir.nigpas.ac.cn/handle/332004/92 https://doi.org/10.1016/j.palaeo.2006.10.004 |
id |
ftchinacscnigpas:oai:ir.nigpas.ac.cn:332004/92 |
---|---|
record_format |
openpolar |
spelling |
ftchinacscnigpas:oai:ir.nigpas.ac.cn:332004/92 2023-05-15T17:36:45+02:00 Vegetation variations and associated environmental changes during marine isotope stage 3 in the western part of the Chinese Loess Plateau Feng, Z. -D. Tang, L. Y. (唐领余) Ma, Y. Z. Zhai, Z. X. Wu, H. N. Li, F. Zou, S. B. Yang, Q. L. Wang, W. G. Derbyshire, E. Liu, K. -B. 2007-04-06 http://ir.nigpas.ac.cn/handle/332004/92 https://doi.org/10.1016/j.palaeo.2006.10.004 英语 eng ELSEVIER SCIENCE BV PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY http://ir.nigpas.ac.cn/handle/332004/92 doi:10.1016/j.palaeo.2006.10.004 Mis 3 Chinese Loess Plateau Climate Change Late Pleistocene Dansgaard-oeschger Cycles Last Glacial Maximum Tengger Desert Northwestern China Asian Monsoon European Vegetation Mongolian Plateau Holocene Climate Southern Margin North-atlantic Physical Geography Geology Paleontology Geography Physical Geosciences Multidisciplinary 期刊论文 2007 ftchinacscnigpas https://doi.org/10.1016/j.palaeo.2006.10.004 2019-10-25T00:03:03Z This study further investigates the reported "uniqueness" of MIS 3 climatic changes in northwestern China by focusing on the MIS 3 lacustrine-wetland sequences in the western part of the Chinese Loess Plateau. The lacustrine-wetland sequence at the Suancigou section documented four major environmental changes. Stratigraphic unit (i) was formed under lake-dominated environments (48,420-35,730 C-14 yr 13P), unit (ii) under wetland-dominated environments (35,730-20,480 C-14 yr BP), and unit (iii) under eolian-dominated environments (20,480-13,090 C-14 yr P-13). Unit (iv) is a fluvially-reworked eolian (loess) unit (13,090-11,450 C-14 yr BP). Pollen zone A (47,210-33,370 C-14 yr BP), representing a coniferous forest, corresponds to stratigrapbic unit (i). Zone B (33,370-28,280 C-14 yr P-13), representing a coniferous woodland landscape, and zone C (28,28022,480 14C yr 13P), representing a landscape in which coniferous woodlands alternated with steppes; correspond to unit (ii). Zone D (22,480-11,450 C-14 yr BP), representing a steppe landscape, corresponds to unit (iii) and unit (iv). We propose that the extremely wet MIS 3 was a combined result of mildly high summer insolation and constantly higher-than-normal winter insolation. That is, mildly high MIS 3 summer insolation was probably able to maintain the warmth of the ocean surface to the extent so that the Tibetan Plateau and northwestern China received an adequate supply of water-vapour. A constantly higher-than-normal MIS 3 winter insolation might have shortened the duration of the winter monsoon, so lengthening the rainy season. In addition, the soil-vegetation-air coupled feedback mechanisms under extensively well-vegetated wet conditions might have further enhanced the MIS 3 wet conditions. (c) 2006 Elsevier B.V. All rights reserved. Report North Atlantic Nanjing Institute of Geology and Palaeontology: NIGPAS OpenIR (Chinese Academy of Sciences) Palaeogeography, Palaeoclimatology, Palaeoecology 246 2-4 278 291 |
institution |
Open Polar |
collection |
Nanjing Institute of Geology and Palaeontology: NIGPAS OpenIR (Chinese Academy of Sciences) |
op_collection_id |
ftchinacscnigpas |
language |
English |
topic |
Mis 3 Chinese Loess Plateau Climate Change Late Pleistocene Dansgaard-oeschger Cycles Last Glacial Maximum Tengger Desert Northwestern China Asian Monsoon European Vegetation Mongolian Plateau Holocene Climate Southern Margin North-atlantic Physical Geography Geology Paleontology Geography Physical Geosciences Multidisciplinary |
spellingShingle |
Mis 3 Chinese Loess Plateau Climate Change Late Pleistocene Dansgaard-oeschger Cycles Last Glacial Maximum Tengger Desert Northwestern China Asian Monsoon European Vegetation Mongolian Plateau Holocene Climate Southern Margin North-atlantic Physical Geography Geology Paleontology Geography Physical Geosciences Multidisciplinary Feng, Z. -D. Tang, L. Y. (唐领余) Ma, Y. Z. Zhai, Z. X. Wu, H. N. Li, F. Zou, S. B. Yang, Q. L. Wang, W. G. Derbyshire, E. Liu, K. -B. Vegetation variations and associated environmental changes during marine isotope stage 3 in the western part of the Chinese Loess Plateau |
topic_facet |
Mis 3 Chinese Loess Plateau Climate Change Late Pleistocene Dansgaard-oeschger Cycles Last Glacial Maximum Tengger Desert Northwestern China Asian Monsoon European Vegetation Mongolian Plateau Holocene Climate Southern Margin North-atlantic Physical Geography Geology Paleontology Geography Physical Geosciences Multidisciplinary |
description |
This study further investigates the reported "uniqueness" of MIS 3 climatic changes in northwestern China by focusing on the MIS 3 lacustrine-wetland sequences in the western part of the Chinese Loess Plateau. The lacustrine-wetland sequence at the Suancigou section documented four major environmental changes. Stratigraphic unit (i) was formed under lake-dominated environments (48,420-35,730 C-14 yr 13P), unit (ii) under wetland-dominated environments (35,730-20,480 C-14 yr BP), and unit (iii) under eolian-dominated environments (20,480-13,090 C-14 yr P-13). Unit (iv) is a fluvially-reworked eolian (loess) unit (13,090-11,450 C-14 yr BP). Pollen zone A (47,210-33,370 C-14 yr BP), representing a coniferous forest, corresponds to stratigrapbic unit (i). Zone B (33,370-28,280 C-14 yr P-13), representing a coniferous woodland landscape, and zone C (28,28022,480 14C yr 13P), representing a landscape in which coniferous woodlands alternated with steppes; correspond to unit (ii). Zone D (22,480-11,450 C-14 yr BP), representing a steppe landscape, corresponds to unit (iii) and unit (iv). We propose that the extremely wet MIS 3 was a combined result of mildly high summer insolation and constantly higher-than-normal winter insolation. That is, mildly high MIS 3 summer insolation was probably able to maintain the warmth of the ocean surface to the extent so that the Tibetan Plateau and northwestern China received an adequate supply of water-vapour. A constantly higher-than-normal MIS 3 winter insolation might have shortened the duration of the winter monsoon, so lengthening the rainy season. In addition, the soil-vegetation-air coupled feedback mechanisms under extensively well-vegetated wet conditions might have further enhanced the MIS 3 wet conditions. (c) 2006 Elsevier B.V. All rights reserved. |
format |
Report |
author |
Feng, Z. -D. Tang, L. Y. (唐领余) Ma, Y. Z. Zhai, Z. X. Wu, H. N. Li, F. Zou, S. B. Yang, Q. L. Wang, W. G. Derbyshire, E. Liu, K. -B. |
author_facet |
Feng, Z. -D. Tang, L. Y. (唐领余) Ma, Y. Z. Zhai, Z. X. Wu, H. N. Li, F. Zou, S. B. Yang, Q. L. Wang, W. G. Derbyshire, E. Liu, K. -B. |
author_sort |
Feng, Z. -D. |
title |
Vegetation variations and associated environmental changes during marine isotope stage 3 in the western part of the Chinese Loess Plateau |
title_short |
Vegetation variations and associated environmental changes during marine isotope stage 3 in the western part of the Chinese Loess Plateau |
title_full |
Vegetation variations and associated environmental changes during marine isotope stage 3 in the western part of the Chinese Loess Plateau |
title_fullStr |
Vegetation variations and associated environmental changes during marine isotope stage 3 in the western part of the Chinese Loess Plateau |
title_full_unstemmed |
Vegetation variations and associated environmental changes during marine isotope stage 3 in the western part of the Chinese Loess Plateau |
title_sort |
vegetation variations and associated environmental changes during marine isotope stage 3 in the western part of the chinese loess plateau |
publisher |
ELSEVIER SCIENCE BV |
publishDate |
2007 |
url |
http://ir.nigpas.ac.cn/handle/332004/92 https://doi.org/10.1016/j.palaeo.2006.10.004 |
genre |
North Atlantic |
genre_facet |
North Atlantic |
op_relation |
PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY http://ir.nigpas.ac.cn/handle/332004/92 doi:10.1016/j.palaeo.2006.10.004 |
op_doi |
https://doi.org/10.1016/j.palaeo.2006.10.004 |
container_title |
Palaeogeography, Palaeoclimatology, Palaeoecology |
container_volume |
246 |
container_issue |
2-4 |
container_start_page |
278 |
op_container_end_page |
291 |
_version_ |
1766136335953821696 |