Retrievals of XCO2, XCH4 and XCO from portable, near-infrared Fourier transform spectrometer solar observations in Antarctica

The COllaborative Carbon Column Observing Network (COCCON) uses low-resolution, portable EM27/SUN Fourier transform spectrometers (FTSs) to make retrievals of column-averaged dry-air mole fractions (DMFs, represented as X gas ) of CO 2 , CH 4 , CO and H 2 O from near-infrared solar absorption spectr...

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Bibliographic Details
Published in:Earth System Science Data
Main Authors: Pollard, David F., Hase, Frank, Sha, Mahesh Kumar, Dubravica, Darko, Alberti, Carlos, Smale, Dan
Format: Text
Language:English
Published: 2022
Subjects:
Arrival Heights
Ross Island
Antarc*
Antarctica
Online Access:https://doi.org/10.5194/essd-14-5427-2022
https://essd.copernicus.org/articles/14/5427/2022/
Description
Summary:The COllaborative Carbon Column Observing Network (COCCON) uses low-resolution, portable EM27/SUN Fourier transform spectrometers (FTSs) to make retrievals of column-averaged dry-air mole fractions (DMFs, represented as X gas ) of CO 2 , CH 4 , CO and H 2 O from near-infrared solar absorption spectra. The COCCON has developed rapidly over recent years and complements the Total Carbon Column Observing Network (TCCON). In this work, we provide details of the first seasonal time series of near-infrared <math xmlns="http://www.w3.org/1998/Math/MathML" id="M9" display="inline" overflow="scroll" dspmath="mathml"><mrow><msub><mi>X</mi><mrow class="chem"><msub><mi mathvariant="normal">CO</mi><mn mathvariant="normal">2</mn></msub></mrow></msub></mrow></math> <svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="25pt" height="14pt" class="svg-formula" dspmath="mathimg" md5hash="ad26f5c1a3bce709ccfbdc142b6b6345"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="essd-14-5427-2022-ie00005.svg" width="25pt" height="14pt" src="essd-14-5427-2022-ie00005.png"/></svg:svg> , <math xmlns="http://www.w3.org/1998/Math/MathML" id="M10" display="inline" overflow="scroll" dspmath="mathml"><mrow><msub><mi>X</mi><mrow class="chem"><msub><mi mathvariant="normal">CH</mi><mn mathvariant="normal">4</mn></msub></mrow></msub></mrow></math> <svg:svg xmlns:svg="http://www.w3.org/2000/svg" width="24pt" height="14pt" class="svg-formula" dspmath="mathimg" md5hash="92ddc872d984a732d25dbdf219dd194d"><svg:image xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="essd-14-5427-2022-ie00006.svg" width="24pt" height="14pt" src="essd-14-5427-2022-ie00006.png"/></svg:svg> and X CO retrievals from measurements made in Antarctica during the deployment of an EM27/SUN to the Arrival Heights laboratory on Ross Island ...

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