A comprehensive global meta analysis of field measurements
History:
2020-12-14: obtained dataset
2020-12-14: converted to netCDF
References:
Davies-Barnard, T. and Friedlingstein, P. (2020), The Global Distribution of Biological Nitrogen Fixation in Terrestrial Natural Ecosystems, Global Biogeochemical Cycles, 3, doi:10.1029/2019GB006387
Comments:
time_period: single estimate from 1980 through 2019