Estimating palaeoatmospheric CO2 levels based on fossil Ginkgoites cuticles from the Middle Jurassic of Northeast Iran

被引：1

作者：

Badihagh, Mohammad Taghi ^{[1
,2
,3
]}

Uhl, Dieter ^{[4
]}

Malekmohammadi, Maryam ^{[5
]}

Wang, Yong-Dong ^{[1
,2
,6
]}

机构：

[1] Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, Nanjing 210008, Peoples R China

[2] Chinese Acad Sci, Ctr Excellence Life & Paleoenvironm, Nanjing 210008, Peoples R China

[3] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

[4] Senckenberg Forschungsinstitut & Nat Museum Frankf, Senckenberganlage 25, D-60325 Frankfurt, Germany

[5] Univ Tehran, Coll Sci, Sch Biol, Dept Plant Sci, Tehran, Iran

[6] Univ Chinese Acad Sci, Nanjing Coll, Nanjing, Peoples R China

来源：

PALAEOWORLD | 2024年 / 33卷 / 01期

基金：

中国国家自然科学基金;

关键词：

Ginkgoites; Stomatal parameters; Palaeo-CO2; levels; Middle Jurassic; ATMOSPHERIC CARBON-DIOXIDE; STOMATAL CHARACTERS; DALICHAI FORMATION; INNER-MONGOLIA; REVISED MODEL; LEAVES; PLANTS; CLIMATE; ALBORZ; RECORD;

D O I：

10.1016/j.palwor.2023.01.011

中图分类号：

Q91 [古生物学];

学科分类号：

0709 ; 070903 ;

摘要：

Fossils of Ginkgophyta are widely recognized as a suitable proxy to estimate Mesozoic and Cenozoic atmospheric CO2 levels. In this study, the fossil Ginkgoites species, Ginkgoites huttonii (Sternberg) Black is described based on a collection from the Middle Jurassic (Bajocian) deposits in Northeast Iran. The palaeoatmospheric CO2 level during Middle Jurassic in Iran is estimated for the first time based on the stomatal ratio (SR) method using this plant fossil. We show that the palaeoatmospheric CO2 concentration was about 1123 ppmv as calculated from stomatal parameters measured in this study. A comparison of our results with previously reported geochemical models indicates close accordance with the GEOCARB II model for Middle Jurassic. (c) 2023 Elsevier B.V. and Nanjing Institute of Geology and Palaeontology, CAS. All rights reserved.

引用

页码：119 / 128

页数：10

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