search

zxdawn / S5P-LNO2

Core code for the TROPOMI lightning NO2 retrievals
GNU General Public License v3.0
2 stars 1 forks source link

Scaled colorbar for tracked NO2 VCD #5

Closed zxdawn closed 2 years ago

zxdawn commented 2 years ago

As mentioned in Marais et al. (2021):

they impose a modest threshold to only use TROPOMI tropospheric columns > 4 × 10^13 molec. cm−2 to mimic the detection limits of the instruments (Gomez et al., 2014)

It's 6.6^-7 mol/m2. It's better to change the constant 0~4e-5 colorbar to 0-max_value for tracked NO2 VCD.

https://github.com/zxdawn/S5P-LNO2/blob/2e1536f23f8f74ec4aca04ff5b3cdb635438373b/main/s5p_lnox_plot_tracks.py#L120-L126

zxdawn commented 2 years ago

Note that we shouldn't use the same threshold in the main codes, because the NO2 VCD can be negative in the clean regions.

zxdawn commented 2 years ago

I prefer showing two versions at the same time: 1) fixed 2) auto. Like the last two subplots:

image