Tropospheric O 3 budget, dry-deposition velocities ( v d) of O 3 Additionally, O 3 uptake through plant stomata leads toĢ012 Mills et al., 2018) and poor ecosystem health Surfaces represents a significant loss pathway for tropospheric O 3Īl., 2018) and thus influences tropospheric composition and O 3 Dry deposition to Earth's terrestrial and oceanic In the troposphere, ozone (O 3) adversely affects air quality and actsĪs a greenhouse gas. The performanceĬharacteristics detailed below make ROZE a robust, versatile instrument for Measurement capabilities, and we observed a mean O 3 deposition velocity

A flight within the marine boundary layer also demonstrated flux Validated against a well-established chemiluminescence measurement of Integrated aboard the NASA DC-8 aircraft during July–September 2019 and Measurements using the eddy covariance technique. Research aircraft, and is particularly suited to O 3 vertical-flux Operated in a range of field environments, including low- and high-altitude Volume, ROZE demonstrates a 1 σ precision of 80 pptv (parts per trillion by volume) in 0.1 s and 31 pptv in a 1 s integration time, as well as an e-fold time response of 50 ms. Due to its high sensitivity and small optical cell High-finesse optical cavity to achieve an effective pathlength of ROZE uses an incoherent LED (light-emitting diode) light source coupled to a The NASA Rapid Ozone Experiment (ROZE) is a broadbandĬavity-enhanced UV (ultraviolet) absorption instrument for the detection of in situ ozone

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