In this work, we present the new multi-wavelength dataset of aerosol profiles, which are retrieved from the averaged transmittance spectra by the Global Ozone Monitoring by Occultation of Stars instruments on board the Envisat satellite.
Using monthly and zonally averaged transmittances as a starting point for the retrievals allows an improved signal-to-noise ratio of elimination of possible...
Introduction: The NOMAD-UVIS instrument on board the ExoMars Trace Gas Orbiter has been investigating the Martian atmosphere with the occultation technique since April 2018 [1]. In the solar occultation mode, it is mainly devoted to study the climatology of ozone and aerosol content [2,3,4].
We analyzed almost two Mars Years of ozone vertical distributions acquired at the day-night...
Direct observations of the thermospheric state can provide direct indicators of space weather activity for constraining models of the thermosphere-ionosphere system. However, no such measurements are currently made in real-time for use in space weather operations, and few have been historically collected for research purposes.
Discussed are results from a NASA Operations to Research project...
The Stratospheric Aerosol and Gas Experiment on the International Space Station (SAGE III/ISS) is an occultation instrument that acquires measurements of aerosols and gases within the Earth’s stratosphere and upper troposphere. SAGE III/ISS provides level 2 solar species products for aerosol extinction (9 channels), nitrogen dioxide (NO2), ozone (O3), and water vapor (H2O). The level 2...
Although a drastic increase in missions to Mars, many atmospheric processes are still not fully understood such as gravity waves, thermal tides, and CO$_2$ ice clouds. Those processes can be monitored by the NOMAD instrument which regularly scans the atmosphere of Mars since April 21, 2018. The main purpose of NOMAD is the detection and distribution of trace gas but also to monitor the density...
We report on the detection and upper-limit of SO$_2$, SO$_3$, OCS, H$_2$S, CS, H$_2$CO, O$_3$, NH$_3$, HCN, N$_2$O, NO$_2$, and HO$_2$ above the cloud deck using the SOIR instrument on-board Venus Express [1, 2].
The SOIR instrument [3] performed solar occultation measurements in the IR region (2.2 - 4.3 µm) at a spectral resolution of 0.12 cm$^{-1}$, among the highest of all space...
