The dataset includes 30-minute observations of land-atmosphere exchange of net ecosystem carbon dioxide exchange and sensible and latent heat measured over two years in a cut and grazed pasture in Yorkshire, UK. Fluxes were measured using the eddy covariance method. Full details about this dataset can be found at https://doi.org/10.5285/c94b7b70-ab7e-4415-9b99-7f4a10e97c1c