获国家科技重大专项和国际大陆钻探计划支持 渭河盆地深钻计划启动|国产精品久久久亚洲
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7月28日,中国深地国家科技重大专项、国际大陆钻探计划(ICDP)和国家自然科学基金委员会、中国科学院联合资助的中国“渭河盆地特深科学钻探计划”(“渭河盆地深钻计划”),在陕西渭南举行第一期工程钻探现场研讨会,标志着“渭河盆地深钻计划”正式启动实施。
“渭河盆地深钻计划”由中国科学院地球环境研究所安芷生院士联合美国、瑞士、澳大利亚等多国科学家共同发起,将在渭河盆地开展环境钻探,通过获取超万米岩心,系统研究岩石圈、水圈、生物圈的协同演化过程,揭示新生代东亚气候环境演变规律,评估地热与氦气资源潜力,以满足国家深地战略的重大需求。
“渭河盆地深钻计划”分两个阶段实施,目前开展的为第一阶段工程,计划获取上部3000米沉积地层,重建晚中新世以来东亚多尺度水文气候变率及全球联系;第二阶段将获取盆地超万米完整的沉积记录,揭示新生代季风演化过程及其与青藏高原-秦岭隆升的耦合关系,评估深部地热和氦气资源潜力。
渭河盆地位于中国黄土高原与秦岭造山带之间,保存了超7000米的巨厚细粒河湖相沉积,是世界一流的开展新生代(距今6600万年以来)气候环境变化、构造-气候相互作用、地球人类宜居性的理想场所。专家表示,渭河盆地深钻研究,有望建立新生代气候全球环境变化的陆相“金钉子”。(记者 孙自法 制作 岳子岩 视频来源 中国科学院地球环境研究所)
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