SPRUCE Atmospheric Gas and Aerosol Particle Concentrations, 2023-2024

This data set contains the concentration of atmospheric gases and aerosols at the SPRUCE site in the Marcell Experimental Forest in Minnesota during the summer of 2023 (2023-07-03 to 2023-08-22) and spring of 2024 (2024-04-04 to 2024-04-30). Measurements were performed in Plot 6 (control), Plot 17, (Ambient +9°C), Plot 19 (Ambient + 500 ppm CO2), and Plot 10 (Ambient +9°C and 500 ppm CO2). The main instrumentation used was the NanoScan Scanning Mobility Particle Sizer (SMPS) which measures the real-time and continuously the number concentration of minute sized particles with diameter between 10 to 420 nm. The NanoScan data set consists of 13 channels across the size distribution which provides a one-minute resolution.

During the 2024 campaign, a MODULAIR™ air quality monitor was deployed in Plots 6 and 17 to measure the concentration of particulate matter and four inorganic gases: Carbon monoxide (CO), nitrogen monoxide (NO), nitrogen dioxide (NO2), and ozone (O3). Meteorological parameters temperature and relative humidity were also included in this data, which were also collected using the MODULAIR. Additionally, a dedicated ozone monitor was deployed at the SPRUCE cabin in 2023 and in Plot 6 in 2024.This dataset contains twelve data files in comma separated (*.csv) format.