Improving limiting errors in coarse spectral resolution remote sensing estimates of gas emissions from a ground located point source

Abstract

Systems and methods for use in improving estimates of gas emissions from a ground located point source. A signal band of spectral data for the gas emissions is gathered from the ground located point source and for an upper reference band and for a lower reference band. The upper reference band consists of spectral data that has a wavelength greater than the signal band while the lower reference band consists of spectral data that has a wavelength that is lower than the signal band. Albedo measurements for the upper and lower reference bands can be used to estimate the albedo for the signal band and the estimated albedo can be used to compensate/correct for albedo related errors in the estimates for the gas emissions. Multiple spectral measurements of the same ground location are used to average down the random errors that place a floor on the achievable measurement precision.

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