On the Spatial Distribution of Minor Species in Jupiter’s Troposphere as Inferred From Juno JIRAM Data
- Grassi, D.
- Adriani, A.
- Mura, A.
- Atreya, S. K.
- Fletcher, L. N.
- Lunine, J. I.
- Orton, G. S.
- Bolton, S.
- Plainaki, C.
- Sindoni, G.
- Altieri, F.
- Cicchetti, A.
- Dinelli, B. M.
- Filacchione, G.
- Migliorini, A.
- Moriconi, M. L.
- Noschese, R.
- Olivieri, A.
- Piccioni, G.
- Sordini, R.
- Stefani, S.
- Tosi, F.
- Turrini, D.
DOIAbstract
The spatial distribution of water, ammonia, phosphine, germane, and arsine in the Jupiter’s troposphere has been inferred from the Jovian Infrared Auroral Mapper (JIRAM) Juno data. Measurements allow us to retrieve the vertically averaged concentration of gases between ~3 and 5 bars from infrared‐bright spectra. Results were used to create latitudinal profiles. The water vapor relative humidity varies with latitude from <1% to over 15%. At intermediate latitudes (30–70°) the water vapor maxima are associated with the location of cyclonic belts, as inferred from mean zonal wind profiles (Porco et al., 2003). The high‐latitude regions (beyond 60°) are drier in the north (mean relative humidity around 2–3%) than the south, where humidity reach...
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