The dataset is generated from running MEDUSA-1.1. model in a 1-D emulator (MarMOT) to compare the effect of perturbing the biogeochemistry, physics, and both to the model outputs, particularly the distribution of DIN, phytoplankton (chlorophyll) and zooplankton.  The characteristic signatures are obtained from the anomaly concentrations of these model variables in the surface. The model is run at five oceanographic stations:  BATS, ALOHA, Cariaco, PAP, and L4 which are stored in separate folders. The model outputs are written in ASCII, and separated by space. Each folder comprises three sub-folders, which include the model output for the perturbed biogeochemistry ensemble (pbe),  perturbed physics ensemble (ppe), and perturbed biology physics ensemble (pbpe).