A Two-Dimensional Chemical/Dynamical/Radiative Model of the Middle Atmosphere and Lower Thermosphere

目前被称为低热层(海拔80至130公里)的大气区域的模型在许多方面都不够充分，用于测试和归一化它们的观测数据相当稀少。目前正在努力解释过去十年对该区域的观测，并作为雪松运动“低热层耦合研究”(LTCS)的一部分获得新数据。太阳风和太阳紫外线的高空能量输入通过该区域向下传播，而较低海拔的潮汐和重力波能量输入通过该区域向上传播，两者都在途中储存了一些能量。为了了解高层和低层大气之间的耦合，我们必须了解低层热层的结构和动力学，以及它如何影响通过它传播的能量。这个奖项是为了支持一个建模项目，该项目将把一个现有的覆盖大气层的模型从地表扩展到85公里，并将其扩展到130公里。通过辐射传递的能量将比以前更准确地处理，该项目应该导致更好地理解大气中化学、辐射和动力学之间的相互作用，并可能产生更好地理解天气和气候变化的后果。

The current models of the atmospheric region known as the lower thermosphere (80 to 130 km in altitude) are inadequate in many respects, and the observational data to test and normalize them is quite sparse. Current efforts are under way to interpret observations made of the region during the last decade, and to obtain new data as part of the CEDAR campaign "The Lower Thermosphere Coupling Study" (LTCS). The high altitude energy inputs of the solar wind and solar ultraviolet propagate downward through the region, and the lower altitude tidal and gravity wave energy inputs propagate upward through it, both depositing some of their energy on the way. To understand the coupling between the upper and lower atmosphere we must understand the structure and dynamics of the lower thermosphere and how it affects the energy propagating through it. This award is to support a modelling project that will take an existing model that covers the atmosphere from the surface to 85 km, and extend it up to 130 km. The transfer of energy by radiation will be treated more accurately than has been possible previously, and the project should lead to a better understanding of the interactions between chemistry, radiation, and dynamics in the atmosphere, with possible consequences for better understanding of changes in weather and climate.