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yexuqing木虫之王 (文学泰斗)
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A 485-million-year history of Earth’s surface temperature
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A 485-million-year history of Earth’s surface temperature 4.85亿年历史的地球表面温度 ▲ 作者：EMILY J. JUDD, JESSICA E. TIERNEY, DANIEL J. LUNT, ISABEL P. MONTAEZ, BRIAN T. HUBER, SCOTT L. WING, AND PAUL J. VALDES ▲链接 https://www.science.org/doi/10.1126/science.adk3705 ▲摘要： 在过去的5亿年里，动植物的进化模式对气候的演变产生了重要影响。了解这一时期全球平均地表温度（GMST）是如何变化的，对于理解这段时间内驱动气候的过程至关重要。 Judd等人提出了将代理数据与气候模拟相结合构建的过去4.85亿年的GMST记录。他们发现，全球平均地表温度在11℃到36℃的范围内变化，“表观”气候敏感性为~8℃，大约是今天的两到三倍。 ▲ Abstract： Understanding how global mean surface temperature (GMST) has varied over the past half-billion years, a time in which evolutionary patterns of flora and fauna have had such an important influence on the evolution of climate, is essential for understanding the processes driving climate over that interval. Judd et al. present a record of GMST over the past 485 million years that they constructed by combining proxy data with climate modeling. They found that GMST varied over a range from 11°C to 36°C, with an “apparent” climate sensitivity of ～8°C, about two to three times what it is today. |
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