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Climate paleogeography knowledge graph and deep time paleoclimate classifications

Geoscience Frontiers 2023年第5期14卷 362-372页

作者： Chenmin Yu Laiming Zhang Mingcai Hou Jianghai Yang Hanting Zhong Chengshan Wang State Key Laboratory of Biogeology and Environmental Geology School of the Earth Science and ResourcesChina University of GeosciencesBeijing 100083China Key Laboratory of Deep-time Geography and Environment Reconstruction and Applications MNR&Institute of Sedimentary GeologyChengdu University of TechnologyChengdu 610059China State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation Institute of Sedimentary GeologyChengdu University of TechnologyChengdu 610059China State Key Laboratory of Biogeology and Environmental Geology School of Earth SciencesChina University of GeosciencesWuhan 430074China

The climate paleogeography,especially the climate classifications,helps to interpret the global and regional climate changes and intuitively compare the climate conditions in different ***,the application of climate classification in deep time(i.e.,climate paleogeography)is prohibited due to the usually qualitatively constrained paleoclimate and the inconsistent descriptions and semantic heterogeneity of the climate *** this study,a climate paleogeography knowledge graph is established under the framework of the Deep-Time Digital Earth program(DDE).The hierarchical knowledge graph consists of five paleoclimate classifications based on various *** classifications are described and their strengths and weaknesses are fully evaluated in four aspects:“simplicity,applicability,quantifiability,and comparability”.We also reconstruct the global climate distributions in the Late Cretaceous according to these *** results are compared and the relationships among these climate types in different classifications are *** study unifies scientific concepts from different paleoclimate classifications,which provides an important theoretical basis for the application of paleoclimate classifications in deep time.

关键词： Climate paleogeography Knowledge graph paleoclimate classification Deep-Time Digital Earth program

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