 5.00) - 5.20*(aod_fine - 0.0300) - footprint_bias)/0.99580
    Bias_Correction_oceanGL: XCO2_Bias_Corrected = (XCO2_Raw + 0.213*(dp_sco2 + 0.0) - 0.0870*((co2_grad_del&lt;(0.)) + 6.00) - footprint_bias)/0.99560
    Bias_Correction_oceanND: XCO2_Bias_Corrected = (XCO2_Raw + 0.213*(dp_sco2 + 0.0) - 0.0870*((co2_grad_del&lt;(0.)) + 6.00) - footprint_bias)/0.99560
    Footprint_bias_land: Assumed footprint biases in xco2 [ppm] for footprints 1-8: -0.51, -0.24, -0.20, -0.15, 0.11, 0.40, 0.20, 0.39
    Footprint