Overview

Research Retrievals

  • SO2, Total Column HCHO, BrO, H2O

Operational Direct Sun Retrievals

  • NO2
    Component Property
    Filter Diffuser
    Fitting Window 400 to 440 nm
    Fitted Gases O3 (Serdyuchenko at 225K)
    NO2 (Vandaele at 254.5K)
    Reference Synthetic Reference (MLE)
    Background Polynomial Order 4
    Offset Polynomial Order 0
    Wavelength Correction Polynomial Order 1
    Precision (SC) 0.002 DU (5.3 x 1013 mol/cm2)
    Accuracy (AMF 1) 0.05 DU (2.7 x 1015 mol/cm2)
  • O3
    Component Property
    Filter None
    Fitting Window 435 to 490 nm
    Fitted Gases O3 (Serdyuchenko at 225K)
    NO2 (Vandaele at 254.5K)
    O2O2 (Thalman and Newnham at 262K) HCHO (Meller and Moortgat at 256.9K)
    SO2 (Vandaele at 259.2K)
    Reference Literature Reference (Thuillier)
    Background Polynomial Order 4
    Offset Polynomial Order 0
    Wavelength Correction Polynomial Order 1
    Precision (SC) 0.6 DU (1.6 x 1016 mol/cm2)
    Accuracy (AMF 1) 15 DU (4 x 1017 mol/cm2)

Operational Direct Sky Retrievals

  • NO2
  • Component Property
    Filter None
    Fitting Window 435 to 490 nm
    Fitted Gases O3 (Serdyuchenko at 225K)
    NO2 (Vandaele at 254.5K)
    O2O2 (Thalman and Newnham at 262K)
    H2O (Hiltran Rothman at 273.1K)
    Ring (QDOAS Tool based on Thuillier)
    Reference Zenith measurement
    Background Polynomial Order 4
    Offset Polynomial Order 1
    Wavelength Correction Polynomial Order 1
  • HCHO
  • Component Property
    Filter None
    Fitting Window 325 to 360 nm
    Fitted Gases O3 (Serdyuchenko at 225K)
    NO2 (Vandaele at 254.5K)
    O2O2 (Thalman and Newnham at 262K)
    HCHO (Meller and Moortgat at 256.9K)
    Ring (QDOAS Tool based on Thuillier)
    Reference Zenith measurement
    Background Polynomial Order 3
    Offset Polynomial Order 1
    Wavelength Correction Polynomial Order 1