It's open access: https://agupubs.onlinelibrary.wiley.com/doi/epdf/10.1029/2019GH000237 https://agupubs.onlinelibrary.wiley.com/doi/epdf/10.1029/201... It does

It's open access: https://agupubs.onlinelibrary.wiley.com/doi/epdf/10.1029/2019GH000237 https://agupubs.onlinelibrary.wiley.com/doi/epdf/10.1029/201... It doesn't seem to be a trial, it's more like a deduction (basically model fitting) from available data.