E. LAKE WATER QUALITY (Q) E1 TRANSPARENCY [m] SITE: Station 1 YEAR: 1981-1983 Depth [m] Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec - - - - 3.4 4.4 3.5 3.8 3.1 2.4 - - E2 pH Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec ---------------------------------------------------------------------------------------------------------------- Depth [m] 0 - - - - 7.7 7.9 8.3 8.2 8.0 7.7 - - 5 - - - - 7.8 7.9 8.2 8.2 8.1 7.7 - - E3 SS [mg l-1] Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec ---------------------------------------------------------------------------------------------------------------- Depth [m] 0 - - - - 1 1 2 1 1 3 - - 5 - - - - 2 1 2 1 1 3 - - E4 DO [mg l-1] Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec ---------------------------------------------------------------------------------------------------------------- Depth [m] 0 - - - - 9.9 8.8 9.3 8.1 9.1 8.2 - - 5 - - - - 9.4 8.7 9.0 7.9 8.3 8.1 - - E5 COD [mg l-1] Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec ---------------------------------------------------------------------------------------------------------------- Depth [m] 0 - - - - 2.1 2.3 3.0 2.8 2.9 3.0 - - 5 - - - - 2.4 2.3 3.0 2.7 3.4 3.1 - - E7 NITROGEN CONCENTRATION Total-N [mg l-1] Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec ---------------------------------------------------------------------------------------------------------------- Depth [m] 0 - - - - 0.14 0.13 0.14 0.17 0.15 0.38 - - 5 - - - - 0.12 0.18 0.15 0.31 0.15 0.44 - - E8 PHOSPHORUS CONCENTRATION Total-P [mg l-1] Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec ---------------------------------------------------------------------------------------------------------------- Depth [m] 0 - - - - 0.036 0.024 0.025 0.035 0.054 0.049 - - 5 - - - - 0.041 0.029 0.015 0.032 0.035 0.052 - -