Dissolved Oxygen Maps for Summer 1997
In the summer of 1997 six surveys were conducted between June 27 and September 5. The maximum area affected by Hypoxia during this time was only 77 square kilometers ( 30 square miles). The entire hypoxic event lasted for 48 days from July 27 to September 12.
(Select map below to link to a larger image)
June 27-30, 1997 |
July 8-9, 1997 |
July 22-24, 1997 |
August 4-7, 1997 |
August 19-22, 1997 |
September 2-5, 1997 |