2017 BGCWG Workshop Presentations Biogeochemistry Working Group update Keith Lindsay, NCAR-CGD Quantifying the influence of ENSO and AMO on tropical carbon fluxes in CESM Gretchen Keppel-Aleks Impact of human activities on nutrient transportation from land to ocean using an improved land model Shuang Liu Nitrogen fertilization across CLM Will Wieder, NCAR-CGD Historical LULCC in CLM5: Land simulations with the new LUMIP surface datasets Peter Lawrence, NCAR-CGD FATES update Charlie Koven The FATES-Spitfire: Fire in the tropics Jackie Shuman, NCAR-CGD