{"title":"Sedimentary Components Responsibilities on the Holocene","authors":"Yingwei Di, Huan Wang, Yunfei Feng","doi":"10.1007/s10553-024-01665-2","DOIUrl":null,"url":null,"abstract":"<p>Heihai Lake, a freshwater lake in the area of the East Kunlun Mountains is an accurate monitor of climate-driven hydrological and environmental changes during the past 2000 yr BP. In order to reconstruct the environment in the north Tibetan Plateau, we studied the multi-proxy records from Heihai lake sediments. Major analyses comprise mineral composition (XRD), morphology of minerals (ATEM), geochemical data (XRF), Ostracoda analysis and chronological framework based on AMS<sup>14</sup>C data. Climate was cold and dry since 1972 yr.BP of the Holocene, which was mainly physical weathering and with a weak chemical weathering. The sedimentary discontinuity happened during 1352 yr.BP and 352 yr.BP, is seen as the size of the lake shrink, which is in consistent with the extremely low temperature and dry climate conditions during the global Glacier Time. From the study, we can conclude that the climate of Tibetan plateau was unstable during the last 2000 years, and extremely cold and dry event happened on Tibetan plateau during the warmer Holocene in China.</p>","PeriodicalId":9908,"journal":{"name":"Chemistry and Technology of Fuels and Oils","volume":"142 1","pages":""},"PeriodicalIF":0.6000,"publicationDate":"2024-03-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Chemistry and Technology of Fuels and Oils","FirstCategoryId":"5","ListUrlMain":"https://doi.org/10.1007/s10553-024-01665-2","RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"ENERGY & FUELS","Score":null,"Total":0}
引用次数: 0
Abstract
Heihai Lake, a freshwater lake in the area of the East Kunlun Mountains is an accurate monitor of climate-driven hydrological and environmental changes during the past 2000 yr BP. In order to reconstruct the environment in the north Tibetan Plateau, we studied the multi-proxy records from Heihai lake sediments. Major analyses comprise mineral composition (XRD), morphology of minerals (ATEM), geochemical data (XRF), Ostracoda analysis and chronological framework based on AMS14C data. Climate was cold and dry since 1972 yr.BP of the Holocene, which was mainly physical weathering and with a weak chemical weathering. The sedimentary discontinuity happened during 1352 yr.BP and 352 yr.BP, is seen as the size of the lake shrink, which is in consistent with the extremely low temperature and dry climate conditions during the global Glacier Time. From the study, we can conclude that the climate of Tibetan plateau was unstable during the last 2000 years, and extremely cold and dry event happened on Tibetan plateau during the warmer Holocene in China.
期刊介绍：
Chemistry and Technology of Fuels and Oils publishes reports on improvements in the processing of petroleum and natural gas and cracking and refining techniques for the production of high-quality fuels, oils, greases, specialty fluids, additives and synthetics. The journal includes timely articles on the demulsification, desalting, and desulfurizing of crude oil; new flow plans for refineries; platforming, isomerization, catalytic reforming, and alkylation processes for obtaining aromatic hydrocarbons and high-octane gasoline; methods of producing ethylene, acetylene, benzene, acids, alcohols, esters, and other compounds from petroleum, as well as hydrogen from natural gas and liquid products.
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