COLLABORATIVE RESEARCH: Dynamic-Radiative Feedbacks in Extratropical Energy and Moisture Cycles

大气涡旋动力学与其他物理过程（辐射、对流、地面通量等）之间的相互作用在维持对流层外温度和湿度分布的能量和水循环中起着重要作用。因此，这些相互作用在短期气候变率中起着重要作用，但我们对它们如何工作的理解是不完整的。Branscome博士和他的合作者将进行一系列数值实验，旨在研究对流层外大气中瞬时涡旋、水分、表面通量和辐射之间的反馈演变，这些反馈通过温度和水分分布来实现，而温度和水分分布又由涡旋维持。所考虑的时间范围是几天到几个月。通过这项研究，PI正在建立他们对斜压涡旋之间相互作用的研究结果。在最后一笔赠款下，他们研究了水分的影响。有了这个奖项，他们将探索辐射效应。这项研究是目前更好地了解并最终预测短期气候的重要组成部分。这项赠款包括两个奖项，分别颁发给合作努力的不同机构。另一个奖项是ATM-9123552，授予爱荷华州州立大学的Gutowski博士。

Interactions between atmospheric eddy dynamics and other physical processes (radiation, convection, surface fluxes, etc.) play a significant role in the energy and water cycles that maintain the extratropical temperature and moisture distributions of the troposphere. These interactions thus play a significant role in short-term climate variability, but our understanding of how they work is incomplete. Dr. Branscome and his collaborators will conduct a series of numerical experiments designed to study the evolution of feedbacks in the extratropical atmosphere among transient eddies, moisture, surface fluxes, and radiation through the temperature and moisture distributions which are, in turn, maintained by the eddies. The time scales under consideration are periods of several days to several months. With this study, the PIs are building on their series of results from studies of the interactions between baroclinic eddies. Under the last grant, they looked at the effect of moisture. With this award, they will explore the radiative effect. This research is an important part of current efforts to better understand, and eventually predict, short-term climate. This grant consists of two awards which are being made to separate institutions for a collaborative effort. The other award is ATM-9123552 to Dr. Gutowski of Iowa State University.