Profiles of 0-50 cm soil CO2 and N2O concentrations collected in the CPCRW from 1998-2002

This table contains concentrations (ppmv) of CO2 and N2O measured at 5, 10, 20, 30, 40, and 50 cm depths below the soil surface in closed-canopy black spruce and mixed hardwood sites (@ 3 replicate sites) in the Caribou Poker Creeks Research Watershed. Samples were taken at weekly or bi-weekly intervals from two profiles in each site during growing seasons from June 1, 1999 through September 17, 2002. This period brackets the Frostfire burn of July 1999; because the fire missed the planned burn sites in mixed hardwoods, the mixed hardwood plots were moved (reflected in the site numbering in the database).

本数据集表格收录了驯鹿波克克里克研究流域（Caribou Poker Creeks Research Watershed）内密闭冠层黑云杉林与混交硬木林样地（每个样地设置3个重复样点）中，于土壤表层下5、10、20、30、40、50厘米深度处测得的二氧化碳（CO₂）和一氧化二氮（N₂O）浓度，单位为体积百万分比（ppmv）。采样工作于1999年6月1日至2002年9月17日的各生长季期间开展，每个样地选取2个土壤剖面，采样频率为每周或每两周一次。该采样时段覆盖了1999年7月发生的弗罗斯特法尔火灾（Frostfire burn）；由于该火灾未波及混交硬木林的预设火烧样地，研究人员对混交硬木林样地进行了重新布设，该调整已体现在数据库的样地编号中。