Riverine CO₂ and CH₄ Emission Datasets: Pearl River

<p dir="ltr">"Pearl_CO2_CH4" is the Supplementary Dataset for the manuscript entitled 'Magnitude of CO₂ and CH₄ emissions in the large subtropical Pearl River Basin'.</p><p dir="ltr">The data includes the sampling date, location, concentrations and emission rates of CO₂ and CH₄ for spatial gas samples (n = 62) collected in the Pearl River in the wet season (July-August) and the dry season (December) of 2021.</p>