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Chambers used to measure diffusive CH4 fluxes. a) Large chamber resting on the pre-installed aluminum collar, sealed on edges with pipe insulation. b) Five-gallon (18.9-liter) bucket with an open bottom and air-tight screw lid to measure hotspot flux locations.

Figure 1. Measurements of Hydrogen Cyanide from the CIT-CIMS instrument collected during ATom-2 flights.

Figure 1. (a) Aerosol extinction calculated using Mie theory from composition-resolved size distributions plotted as a function of measured extinction from the SOAP cavity ring-down spectrometer during the ATom-4 campaign, showing representative error bars. (b) Calculated aerosol absorption and measured absorption from the SOAP photoacoustic spectrometer for cases when absorption >2 *10-6 m-1 (2x the detection limit).

Mean global soil respiration derived from Version 5 of the Soil Respiration Database (SRDB-V5). 

The sums of seasonal mean SMUrF-based NEE and ODIAC-based FFCO2 for CONUS (a), western Europe (b), and East Asia (c) for 2018 in centered panels. City-wide GEE, Reco, NEE, and FFCO2 over JJA 2018 are provided around the centered panels.

Carbon dioxide concentrations at the MUR site in Salt Lake City, Utah, show a pronounced seasonal pattern of higher CO2 in the winter months. 

Logo of the Global Ecosystem Dynamics Investigation (GEDI) mission.

Fixed Site Subset screen shot for the Tumanrasset INM site in Algeria of the AERONET and BSRN networks.

Contrasting levels of resilience of tidal marshes to sea-level rise in eastern North Carolina (A) and coastal South Carolina (B).

Measurements of atmospheric acetone concentration from samples collected by the Trace Organic Gas Analyzer (TOGA) during ATom-3 flights in 2017.