| Report Year: 2009 |
| Little River Watershed Lake, Decatur County |
| Carbon Balance Table |
| Parameter | 6/18/2009 | 7/22/2009 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | 2003 | 2002 | 2001 | 2000 |
| Alkalinity as CaCO3 (mg/L) | 92 | 91 | 91.5 | - | - | - | 104.5 | 87.0 | 73.5 | 102.0 | 90.2 | 149.3 |
| Dissolved Organic Carbon (mM) | 0.46 | 0.49 | 0.47 | - | - | - | 0.42 | 0.56 | 0.80 | 0.86 | - | - |
| Temperature (oC) | 21.3 | 23.2 | 22.2 | - | - | - | 25.1 | 23.3 | 25.2 | 26.0 | 22.6 | 24.0 |
| Specific Conductivity (μS/cm) | 230.0 | 230.0 | 230.00 | - | - | - | 244.64 | 258.52 | 253.40 | 400.40 | 215.86 | 255.24 |
| pH | 7.7 | 8.4 | 8.0 | - | - | - | 8.7 | 8.2 | 8.4 | 8.0 | 8.2 | 7.9 |
| I (Ionic Strength ?) | 0.0403 | 0.0403 | 0.0403 | - | - | - | 0.0428 | 0.0452 | 0.0440 | 0.0832 | 0.0378 | 0.0447 |
| Dissolved Inorganic Carbon (mM) | 1.90 | 1.79 | 1.85 | - | - | - | 1.91 | 1.73 | 1.43 | 2.01 | 1.78 | 3.01 |
| pCO2 (μatm) | 1866 | 367 | 1116.3 | - | - | - | 323.6 | 558.9 | 279.2 | 801.8 | 655.1 | 1529.3 |
| Equilibrium CO2 | 14.11 | 13.34 | 13.73 | - | - | - | 12.65 | 13.30 | 12.93 | 11.89 | 13.71 | 13.00 |
| CO2 (μM) | 71.16 | 13.23 | 42.19 | - | - | - | 11.65 | 19.61 | 9.30 | 25.76 | 24.57 | 53.74 |
| Δ CO2 from Equilibrium | 57.048 | -0.119 | 28.46 | - | - | - | -1.01 | 6.31 | -3.62 | 13.87 | 10.86 | 40.74 |