Animated graph of dissolved oxygen measured in Chesapeake Bay at Susquehanna Flats during July 2011 by the Maryland Department of Natural Resources. This graph also includes water surface elevations measured by NOAA at Tolchester Beach and Chesapeake City, wind speed and direction measured at Chesapeake City, and a solar day / night indicator. This animated graph uses actual continuous data measurements and was programmed in VBA Excel. Forwarded by John Yagecic of the Delaware River Basin Commission.
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