Characterising the three-dimensional ozone distribution of a tidally locked Earth-like planet

摘要: We simulate the 3D ozone distribution of a tidally locked Earth-like exoplanet using high-resolution, chemistry-climate model CESM1(WACCM) and study how layer Earth (TLE) ( $$\Omega _{\mathrm{TLE}}= 1/365$$ days) differs from that our present-day (PDE) _{\mathrm{PDE}}= 1/1$$ day). The middle atmosphere reaches steady state asymptotically within first 80 days simulation. An upwelling, centred on subsolar point, is present day side while downwelling, antisolar night side. In mesosphere, we find similar global distributions for TLE PDE, with decreased enhanced lower jet stream transitions into large-scale vortex around low-pressure system, located at low latitudes stratosphere, concentration odd oxygen approximately equal to [( $${\mathrm{O}}_{x}$$ ) $$\approx$$ $${\mathrm{O}}_{3}$$ )]. At these altitudes, lifetime $$\mathrm \sim$$ 16 h transport processes significantly contribute stratospheric ozone. Compared where strong Coriolis force acts as mixing barrier between high latitudes, are governed by streams variable in zonal meridional directions. stratosphere TLE, values side, due increased production atomic it immediately recombines molecular form contrast, depleted changes solar radiation presence downwelling. As result reduced force, tropical extratropical air masses well mixed temperature has smaller horizontal gradients than PDE. total column mean 19.3 %. means 23.21 15.52 %, respectively. Finally, (TOC) maps viewed remote observer four phases during its revolution star. TOC vary up 23 %.