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SOIL MICROMORPHOLOGY IN ARCHAEOLOGY 考古学中的土壤微观形态
Advance in Earth Sciences Pub Date : 1999-04-01 DOI: 10.11867/j.issn.1001-8166.1999.02.0197
Jin Guiyun
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引用次数: 0
DEVELOPMENT OF STUDY ON OZONE VARIATION AND ITS CLIMATIC EFFECT 臭氧变化及其气候效应研究进展
Advance in Earth Sciences Pub Date : 1999-02-01 DOI: 10.11867/J.ISSN.1001-8166.1999.01.0037
Wang Tijian, Sun Zhaobo
{"title":"DEVELOPMENT OF STUDY ON OZONE VARIATION AND ITS CLIMATIC EFFECT","authors":"Wang Tijian, Sun Zhaobo","doi":"10.11867/J.ISSN.1001-8166.1999.01.0037","DOIUrl":"https://doi.org/10.11867/J.ISSN.1001-8166.1999.01.0037","url":null,"abstract":"In this paper,the developments of study on characteristics and mechanism of ozone variation and its climate effect are reviewed.The amount of tropospheric O 3(in North Hemisphere)is increasing,that of stratospheric O 3 is decreasing and the total ozone amount also is decreasing which show the trend of global ozone variation.The main reason is that the O 3 precusors,such as NOx,NMHC,CO,CH 4,are increasing due to human activities and the species(NOx,H 2O,N 2O,CFCs)which can destroy stratospheric O 3 are increasing.The enhancement of tropospheric O 3 will warm the ground surface and the lower atmosphere and the depletion of stratospheric O 3 may warm or cool the ground surface and lower atmosphere.It is a very effective way to use the global or regional climate model coupled with a atmospheric chemistry model for study on ozone variation and its climate effect.","PeriodicalId":415150,"journal":{"name":"Advance in Earth Sciences","volume":"102 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1999-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133585529","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
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