10.17608/k6.auckland.11391618.v2 Qianshuo Zhao Qianshuo Zhao Global_Marine_Ecosystem_annual.dat The University of Auckland 2019 Marine Ecosystems Cluster Analysis ObjectiveThe purpose Marine Geoscience Oceanography Ecology 2019-12-18 05:04:03 Figure https://auckland.figshare.com/articles/figure/Global_Marine_Ecosystem_annual_dat/11391618 We used long-term averages of 20 ocean variables (including the physical, biochemical, and nutrient ones) to classify the ocean surface waters using PCA and k-means clustering