A simplified model of biogeochemical cycling- entitled Biology Light Iron Nutrient and Gasoline mannequin (BLING) has been developed as a result of a collaboration between Anand Gnanadesikan (Oceans and Local weather Group), Eric Galbraith and Mike Hiscock (AOS Program) and John Dunne (Climate and Ecosystems Group) primarily based on intensive collaborations through the years with Jorge Sarmiento'