globalchange  > 气候减缓与适应
DOI: 10.1144/jgs2018-053
WOS记录号: WOS:000455594200010
论文题名:
The Schilfsandstein and its flora; arguments for a humid mid-Carnian episode?
作者: Franz, M.1; Kustatscher, E.2,3,4; Heunisch, C.5; Niegell, S.1; Roehling, H-G5
通讯作者: Franz, M.
刊名: JOURNAL OF THE GEOLOGICAL SOCIETY
ISSN: 0016-7649
EISSN: 2041-479X
出版年: 2019
卷: 176, 期:1, 页码:133-148
语种: 英语
WOS关键词: TRIASSIC TIME-SCALE ; PLUVIAL-EVENT ; STUTTGART FORMATION ; WESTERN CARPATHIANS ; CLIMATE-CHANGE ; PLAYA CYCLES ; KEUPER ; DOLOMITES ; CRISIS ; SYSTEM
WOS学科分类: Geosciences, Multidisciplinary
WOS研究方向: Geology
英文摘要:

Recently intensified research on the mid-Carnian episode stimulated discussions about the mid-Carnian climate and a supposed humid climate shift. This basin-scale study on the Schilfsandstein, the type-example of the mid-Carnian episode, applied sedimentological, palynological and palaeobotanical proxies of the palaeoclimate to a large dataset of cored wells and outcrops. The results demonstrate the primary control of circum-Tethyan eustatic cycles on the Central European Basin where transgressions contributed to basin-scale facies shifts. The palaeoclimate proxies point to a uniform arid to semi-arid Carnian climate with low chemical weathering and high evaporation. Consequently, transgressions into the Central European Basin led to increased evaporation forcing the hydrological cycle. The increased runoff from source areas resulted in high-groundwater stages on lowlands characterized by hydromorphic palaeosols and intrazonal vegetation with hygrophytic elements. During lowstands, reduced evaporation and runoff led to increased drainage and desiccation of lowlands characterized by formation of vertisols, calcisols and gypsisols and zonal vegetation with xerophytic elements. The proposed model of sea-level control on the hydrological cycle integrates coeval and subsequent occurrences of wet and dry lowlands, hydromorphic and well-drained palaeosols, and intrazonal and zonal vegetations. Thus, the Schilfsandstein does not provide arguments for a humid mid-Carnian episode.


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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/127403
Appears in Collections:气候减缓与适应

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作者单位: 1.Univ Gottingen, Geowissensch Zentrum, Abt Angew Geol, Goldschmidtstr 3, D-37077 Gottingen, Germany
2.Museum Nat South Tyrol, Bindergasse Via Bottai 1, I-39100 Bozen Bolzano, Italy
3.Ludwig Maximilians Univ Munchen, Dept Geo & Umweltwissensch Palaontol & Geobiol, Richard Wagner Str 10, D-80333 Munich, Germany
4.Bayer Staatssammlung Palaontol & Geobiol, Richard Wagner Str 10, D-80333 Munich, Germany
5.Landesamt Bergbau Energie & Geol, Stilleweg 2, D-30655 Hannover, Germany

Recommended Citation:
Franz, M.,Kustatscher, E.,Heunisch, C.,et al. The Schilfsandstein and its flora; arguments for a humid mid-Carnian episode?[J]. JOURNAL OF THE GEOLOGICAL SOCIETY,2019-01-01,176(1):133-148
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