The paper “Constraining DALEC v2 using multiple data streams and ecological constraints: analysis and application“, co-authored by Sylvain Delahaies, Ian Roulstone, and Nancy Nichols (Reading) has been accepted for publication in the journal Geoscientific Model Development (GMD), a journal with an impact factor of 5.2.  The paper uses a variational method to assimilate multiple data streams into terrestrial ecosystem carbon cycle model DALEC v2.  The paper is gold open access and will appear on the GMD website here.