Composition Change in the North Atlantic: Drivers and Impacts

在这个项目中，我们将结合来自UKCA和UKESM-1模式的最新模拟，以了解北大西洋盆地大气成分变化的原因和影响。气溶胶和微量气体的丰度正在发生巨大变化，但人为排放与自然变率之间的作用尚不完全清楚。这个项目将有助于在这个对气候系统和英国至关重要的地区澄清这一重要问题，因为这里是我们大多数天气的发源地。在这个项目中，我们将使用作为NERC ACSIS项目一部分的一系列机载和地面测量来评估UKCA和UKESM-1模型的性能。此外，我们将进行定制模拟，评估有关下一代非化石燃料运输系统排放的重要新问题

In this project we will combine new state of the art simulations from the UKCA and UKESM-1 models to understand the causes and effects of changes in atmospheric composition across the North Atlantic basin. Large changes in the abundance of aerosols and trace gases are occurring but the role of man-made emissions versus natural variability is not completely clear. This project will help bring clarity to this important issue in this critical area for the climate system and for the UK, in terms of being the region most of our weather originates. In this project we will evaluate the performance of the UKCA and UKESM-1 models using an array of airborne and ground based measurements being made as part of the NERC ACSIS project. In addition we will perform bespoke simulations that assess important new questions regarding emissions from next generation transport systems powered by non-fossil fuels