Articles | Volume 11, issue 5
Atmos. Meas. Tech., 11, 2949–2965, 2018
https://doi.org/10.5194/amt-11-2949-2018

Special issue: Advanced Global Navigation Satellite Systems tropospheric...

Atmos. Meas. Tech., 11, 2949–2965, 2018
https://doi.org/10.5194/amt-11-2949-2018

Research article 18 May 2018

Research article | 18 May 2018

Comparison of total water vapour content in the Arctic derived from GNSS, AIRS, MODIS and SCIAMACHY

Dunya Alraddawi et al.

Data sets

MODIS Atmosphere L3 Monthly Product. NASA MODIS Adaptive Processing System S. Platnick et al. https://doi.org/10.5067/MODIS/MOD08_M3.006

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Short summary
The current study provides intercomparisons of various water vapour measurements in the Arctic. It compares ground-based GPS observations with satellite measurements in the infrared (IR), near-infrared (NIR) and visible (VIS) through a specific method allowing us to quantify their uncertainties and limits. Unlike IR, satellite observations in NIR and VIS bands are mostly sensible to cloud cover during summer and to albedo variability over canopy or polluted snow-covered surfaces in winter.