动力两箱地面-大气模式在皮纳图博山冷却事件中的应用
Application of a dynamical two-box surface-atmosphere model to the Mount Pinatubo cooling event
摘要:
我们分析了全球温度变化,由于山。皮纳图博火山喷发使用一个简单的大气和地表两层模型,以获得与卫星数据一致的结果。通过解析和数值分析,我们发现主要特征响应时间为5 ~ 8个月,气候敏感性为0.17 ~ 0.20 C/(W/m^2),对应于负的瞬时反馈。我们的解决方案是适合的数据,再现了一个盒子模式的结果,并提供了一些更详细的信息反馈有关的表层温度。建立了表层与温跃层耦合的形式,但没有应用。
英文摘要:
We analyze the global temperature change due to the Mt. Pinatubo eruption using a simple two-layer model of the atmosphere and surface to obtain results consistent with satellite data. Through analytic and numerical analysis we find a principal characteristic response time of 5 to 8 months and a climate sensitivity of 0.17 to 0.20 C/(W/m^2), corresponding to a negative instantaneous feedback. Our solutions were fit to the data, reproducing the results of a one-box model, and providing somewhat more detailed information about the feedbacks related to surface layer temperature. The formalism for coupling of the surface layer to the thermocline is set up but not applied.
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