Data from: Six years of ecosystem-atmosphere greenhouse gas fluxes measured in a sub-boreal forest

Carbon dioxide (CO2), methane (CH4), and nitrous oxide (N2O) are the greenhouse gases largely responsible for anthropogenic climate change. Natural plant and microbial metabolic processes play a major role in the global atmospheric budget of each. We have been studying ecosystem-atmosphere trace gas exchange at a sub-boreal forest in the northeastern United States for over two decades. Historically our emphasis was on turbulent fluxes of CO2 and water vapor. In 2012 we embarked on an expanded campaign to also measure CH4 and N2O. Here we present continuous tower-based measurements of the ecosystem-atmosphere exchange of CO2 and CH4, recorded over the period 2012–2018 and reported at a 30-minute time step. Additionally, we describe a five-year (2012–2016) dataset of chamber-based measurements of soil fluxes of CO2, CH4, and N2O (2013–2016 only), conducted each year from May to November. These data can be used for process studies, for biogeochemical and land surface model validation and benchmarking, and for regional-to-global upscaling and budgeting analyses.
Resources in this dataset:Resource Title: Data and additional information. File Name: Web Page, url: https://www.nature.com/articles/s41597-019-0119-1#Sec8 Data related to the article including ISA-Tab metadata file, and Figshare dataset.

二氧化碳（CO2）、甲烷（CH4）以及氧化亚氮（N2O）作为温室气体，在很大程度上是人为气候变化的主要原因。自然植物和微生物的代谢过程在全球大气预算中扮演着至关重要的角色。我们自二十多年前开始，便对美国东北部亚寒带森林的生态系统-大气层间微量气体交换进行了深入研究。历史上，我们的研究重点在于CO2和水蒸气的湍流通量。2012年，我们启动了更为广泛的测量计划，以同时测定CH4和N2O。在此，我们展示了2012年至2018年期间，以连续塔为基础的生态系统-大气层间CO2和CH4交换的连续测量数据，并以30分钟的时间步长进行报告。此外，我们还描述了一个为期五年的（2012年至2016年）数据集，该数据集基于封闭室测量土壤CO2、CH4和N2O通量（仅限2013年至2016年），每年从5月至11月进行。这些数据可用于过程研究、生物地球化学和地表模型验证及基准测试，以及区域至全球的尺度放大和预算分析。