Simulated reflectance (same horizontal resolution as the cloud data, approx. 1.2×1.2km².)

Reflectance data in numpy format.

• REPTRAN channel sentinel3_slstr_b1
• US standard atmosphere
• SZA: 30°, SAA: 13°
• Viewing direction: nadir
• MODIS albedo data (600 nm)
• clouds from ICON simulation (wc mie, ic baum_v36 ghm)
  • Liquid water cloud data
  • Ice water cloud data
  • Latitude grid
  • Longitude grid

• Wavelength range: 400-500nm (0.2nm resolution)
• Layer AMF calculated at 460nm
• Molecular tau file provided by Huan: moltau_400_500_u76_EuropeNO2_v2.nc
• SZA: 30°, SAA: 13°
• Viewing direction: nadir
• albedo: 0.05
• clouds from ICON simulation (wc mie, ic baum_v36 ghm)

Simulated reflectance. The left side is simulated on the same horizontal resolution as the cloud data (approx. 1.2×1.2km²), the middle is for a pixel size of approx. 7×7 m². The right panel shows the standard deviation of the reflectance for 10^5 photons per pixel.

Reflectance spectra for pixels indicated in figure above. The shaded areas show the standard deviation of the Monte Carlo results.

Layer-AMFs for pixels indicated in figure above. The shaded areas show the standard deviation of the Monte Carlo results.

MYSTIC results (spectral reflectance and box-AMFs at 460nm)

Simulation for LEO, Case 12 without cloud mask.