E4 DO (Dissolved Oxygen) [mg L-1](7) YEAR: 2010 STATION1: Off Imazu (North Lake) Depth [m] Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 0.5 9.8 11.5 11.8 12.1 11.0 10.0 9.0 8.3 8.0 8.7 9.6 10.2 5 9.8 11.6 11.9 12.2 11.5 10.3 9.9 8.4 7.9 8.8 9.6 10.2 10 9.8 11.4 11.9 12.2 11.3 10.6 9.5 8.3 8.0 8.6 9.4 10.2 20 10.0 11.4 11.6 12.0 11.1 10.1 9.2 8.3 7.7 6.4 9.2 10.0 40 10.0 11.3 11.7 11.8 10.7 9.9 9.4 9.6 9.1 8.4 7.3 7.3 80 8.3 11.3 11.4 10.4 9.6 8.5 8.1 6.9 7.1 5.3 5.4 5.7 bottom 8.3 11.2 11.0 10.1 9.1 7.6 6.6 4.8 3.9 3.8 4.1 4.5 STATION2: Off Karasaki (South Lake) Depth [m] Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 0.5 13.0 13.2 13.1 12.4 9.7 9.6 9.0 8.4 7.9 8.8 10.3 11.7 Station 1 (N. Lake), 1981-1986 Depth [m] Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 0.5 10.2 10.5 10.8 11.1 10.7 9.4 9.3 8.8 7.9 8.4 9.2 9.8 5 9.9 10.7 10.9 11 11.1 10 9.9 8.6 8.2 8.4 9.4 9.7 10 9.9 10.7 11 11 11 10 9.1 8.4 8 8.2 9.3 9.6 15 9.9 10.6 11 11 10.8 9.9 8.8 6.9 6.3 6.8 9.1 9.7 20 9.9 10.5 10.9 11.1 10.5 9.8 8.9 7.2 7 6.2 8.9 9.6 30 9.9 10.5 11 10.9 10.6 10 9.3 8.4 7.8 7.4 7.4 8.1 40 9.6 10.4 10.8 10.9 10.4 10.1 9.7 8.9 8.5 7.9 7.3 7.6 60 7.6 10.4 10.8 10.8 10.5 10.2 10 9.1 9.1 8.1 7 7.3 80 6.7 9.6 10.7 10.4 10.4 10.1 9.8 8.9 8.2 7.1 5.7 6.1 botom 5.6 9.6 10 10.2 9.8 9 8.3 6.5 5.1 3.1 3.2 4 Station 2 (S. Lake), 1982-1986 Depth[m] Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 0.5 11.5 11.1 11.3 10.5 11 9.9 8.8 8.5 8.5 9.6 9.8 10.8 bottom 11.3 11 11.4 10.5 11 9.5 8.9 8.4 7.8 8.9 9.8 10.7