皮纳图博火山爆发对气候的影响。修订版
Climate Forcing by the Volcanic Eruption of Mount Pinatubo. Revised edition
摘要：
我们确定皮纳图博火山喷发的火山气候敏感性和响应时间。这是通过对对流层低层温度异常和气溶胶光学密度（AOD）的观测测量以及AOD的辐射强迫代理来实现的。使用标准线性响应理论，我们发现灵敏度= 0.18 +-0.04 K/（W/m2），这意味着负反馈为-1.0 +-0.4。内在反应时间为5.8 ± 1.0个月。这两个结果是相反的传统范式，包括长的响应时间和积极的反馈。此外，我们分析了在皮纳图博火山爆发的长波辐射，发现它的时间依赖性更密切地遵循强迫比温度，甚至有一个振幅等于的AOD代理。这一发现与响应时间和反馈结果无关。
英文摘要：
We determine the volcano climate sensitivity and response time for the Mount Pinatubo eruption. This is achieved using observational measurements of the temperature anomalies of the lower troposphere and the aerosol optical density (AOD) in combination with a radiative forcing proxy for AOD. Using standard linear response theory we find sensitivity = 0.18 +- 0.04 K/(W/m2), which implies a negative feedback of -1.0 +- 0.4. The intrinsic response time is 5.8+-1.0 months. Both results are contrary to the conventional paradigm that includes long response times and positive feedback. In addition, we analyze the outgoing longwave radiation during the Pinatubo eruption and find that its time dependence follows the forcing much more closely than the temperature, and even has an amplitude equal to that of the AOD proxy. This finding is independent of the response time and feedback results.
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