Spatial and temporal trends in Lake Erie hypoxia, 1987-2007.

  title={Spatial and temporal trends in Lake Erie hypoxia, 1987-2007.},
  author={Yuntao Zhou and Daniel R. Obenour and Donald Scavia and Thomas H. Johengen and Anna M. Michalak},
  journal={Environmental science & technology},
  volume={47 2},
Hypoxic conditions, defined as dissolved oxygen (DO) concentrations below 2 mg/L, are a regular summertime occurrence in Lake Erie, but the spatial extent has been poorly understood due to sparse sampling. We use geostatistical kriging and conditional realizations to provide quantitative estimates of the extent of hypoxia in the central basin of Lake Erie for August and September of 1987 to 2007, along with their associated uncertainties. The applied geostatistical approach combines the limited… CONTINUE READING

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