deletions | additions       diff --git a/section_Greenhouse_Gas_time_series__.tex b/section_Greenhouse_Gas_time_series__.tex  index 729d3d7..a310209 100644  --- a/section_Greenhouse_Gas_time_series__.tex  +++ b/section_Greenhouse_Gas_time_series__.tex 
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\section{Greenhouse Gas time series}  All results presented here are analyzed using the standard TCCON retrieval software, GFIT \citep{Wunch2011a}, \cite{Wunch_2011},  for column amounts of CO$_{\mathrm{2}}$, CH$_{\mathrm{4}}$, O$_{\mathrm{2}}$, CO, N$_{\mathrm{2}}$O, HF, HCl, H$_{\mathrm{2}}$O, and HDO. Column-averaged dry-air mole fractions, X$_{\mathrm{GAS}}$ are calculated by ratioing the column of the gas of interest to the retrieved O$_{\mathrm{2}}$ column: \begin{equation}  \label{eq:xgas}