Building a decade-long time series of Arctic atmospheric measurements

人类活动已经并正在引起我们大气的变化。这些变化正在并将继续影响地球上的生活质量。臭氧消耗和气候变化这两个重要且相关的变化在国际上被认为是本世纪大气科学面临的两个“重大挑战”。为了应对这些重大挑战，我的研究小组在加拿大北极进行了测量，以研究地球大气的化学成分以及它如何随着时间的变化而变化。 需要长期的测量才能了解我们大气中发生的变化。北方的这项研究将建立在过去对北极高海拔(80 N)大气测量的基础上，创建一个长达十年的数据集，其中包括与臭氧层消耗和气候变化有关的关键化学物质。测量将在春季进行，也就是臭氧破坏最严重的时候。它们将被用来调查太空和地面仪器如何“看到”大气中正在发生的事情。这些结果将被用来确定如何最好地在北极使用便携式仪器，以提高加拿大的大气测量能力，并进一步加深我们对不断变化的臭氧层的了解。 这份北方研究补充资料将用于支持努纳武特(北纬80度，西经86度)尤里卡的年度测量活动，以收集该项目所需的数据。它还将支持一项教育和培训计划。这将涉及到索鲁特湾的学生对大气进行自己的测量，并将他们的结果与尤里卡的结果进行比较。

Human activity has caused and is causing changes in our atmosphere. These changes are affecting, and will continue to affect, the quality of life on Earth. Two important and related changes, ozone depletion and climate change, have been identified internationally as two of the "grand challenges" for atmospheric science in this century. To address these grand challenges, my research group makes measurements in the Canadian Arctic to study the chemical composition of the Earth's atmosphere and how it is changing with time. Long-term measurements are required to understand the changes occurring in our atmosphere. This Northern research will build on past measurements of the high Arctic (80 N) atmosphere to create a ten-year long data set of the key chemicals involved in depletion of the ozone layer and in climate change. The measurements will be made during springtime, the time when ozone destruction is greatest. They will be used to investigate how instruments in space and on the ground "see" what is happening in the atmosphere. These results will be used to determine how a portable instrument can be best used in the Arctic to increase Canadian atmospheric measurement capabilities and to further our understanding of the changing ozone layer. This Northern Research Supplement will be used to support yearly measurement campaigns in Eureka, Nunavut (80 N, 86 W) to collect the data needed for this project. It will also support an education and training program. This will involve students in Resolute Bay in making their own measurements of the atmosphere and comparing their results to those from Eureka.