The data below are from the GGG2009 release. TCCON is a network of ground-based Fourier Transform Spectrometers recording direct solar spectra in the near-infrared spectral region. From these spectra, accurate and precise column-averaged abundance of CO2, CH4, N2O, HF, CO, H2O, and HDO are retrieved.
For citation information and data policy, please see the Data Use Policy page. For site-specific information and data analysis descriptions, please read the Data Description for the GGG2009 data release.