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5 TOC Concentration [mg/l] 4 3 2 1 0 GR HR NR YR River 2011_spring 2011_summer 2011_fall 2011_winter 2012_spring 2012_summer

7 6 6 5 TOC yield [g/m 2 *yr] 5 4 3 2 4 3 2 TOC Concentration [mg/l] 1 1 0 0 0 10 20 30 40 50 Agriculture [%] 7 6 6 5 TOC yield [g/m 2 *yr] 5 4 3 2 4 3 2 TOC Concentration [mg/l] 1 1 0 0 0 2 4 6 8 10 12 14 16 18 Urban [%] TOC yield Annual Discharge weighted mean TOC Concentration [mg/l]

7 6 6 5 TOC yield [g/m 2 *yr] 5 4 3 2 4 3 2 TOC Concentration [mg/l] 1 1 0 0 40 50 60 70 80 90 100 Forest [%] TOC yield Annual Discharge weighted mean TOC Concentration [mg/l]

7 6 TOC yield [g C/m2/yr] 5 4 3 2 1 0 0 5 10 15 20 25 30 raa(%)

500 7000 2.5e+6 400 6000 2.0e+6 PPT [mm/month] 300 200 5000 4000 3000 2000 Discharge [m 3 /month] 1.5e+6 1.0e+6 TOC Load [kg/month] 100 1000 5.0e+5 0 1 2 3 4 5 6 7 8 9 10 11 12 0 0.0 Month_2010 Precipitation Discharge TOC Load

10 TOC Concentration [mg/l] 8 6 4 2 0 0 100 200 300 400 500 600 700 PPT [mm/month] TOC Concentration 2.5e+9 1.4e+7 2.0e+9 1.2e+7 Discharge[kg/month] 1.5e+9 1.0e+9 1.0e+7 8.0e+6 6.0e+6 4.0e+6 TOC Load [m3/month] 5.0e+8 2.0e+6 0.0 0.0 0 100 200 300 400 500 600 700 Discharge TOC Load PPT [mm/month]

4.0 500 2.5e+9 6e+6 3.5 400 2.0e+9 5e+6 TOC Concentration [mg/l] 3.0 2.5 2.0 1.5 PPT[mm/month] 300 200 100 1.5e+9 1.0e+9 5.0e+8 Discharge [m 3 /month] 4e+6 3e+6 2e+6 1e+6 TOC Load [kg/month] 1.0 0 12 1 2 3 4 5 6 7 8 9 10 11 12 1 0.0 0 Month_2010 Precipitation Discharge TOC Load Discharge Weigheted Mean_TOC Concentration

6 500 1e+9 3e+6 5 400 8e+8 3e+6 TOC Concentration [mg/l] 4 3 2 1 PPT[mm/month] 300 200 100 6e+8 4e+8 2e+8 Discharge [m 3 /month] 2e+6 2e+6 1e+6 5e+5 TOC Load [kg/month] 0 0 12 1 2 3 4 5 6 7 8 9 10 11 12 1 0 0 Month_2010 8 400 8e+8 3.5e+6 7e+8 3.0e+6 TOC Concentration [mg/l] 6 4 2 PPT[mm/month] 300 200 100 6e+8 5e+8 4e+8 3e+8 2e+8 Discharge [m 3 /month] 2.5e+6 2.0e+6 1.5e+6 1.0e+6 TOC Load [kg/month] 1e+8 5.0e+5 0 0 12 1 2 3 4 5 6 7 8 9 10 11 12 1 0 0.0 Month_2010 Precipitation Discharge TOC Load Discharge Weigheted Mean_TOC Concentration

5 700 1.4e+9 4e+6 TOC Concentration [mg/l] 4 3 2 1 PPT[mm/month] 600 500 400 300 200 100 1.2e+9 1.0e+9 8.0e+8 6.0e+8 4.0e+8 2.0e+8 Discharge [m 3 /month] 3e+6 2e+6 1e+6 TOC Load[kg/month] 0 0 12 1 2 3 4 5 6 7 8 9 10 11 12 1 0.0 0 Month_2010 10 500 2.5e+9 1.4e+7 8 400 2.0e+9 1.2e+7 TOC Concentration [mg/l] 6 4 2 PPT[mm/month] 300 200 100 1.5e+9 1.0e+9 5.0e+8 Discharge [m 3 /month] 1.0e+7 8.0e+6 6.0e+6 4.0e+6 2.0e+6 TOC Load [kg/month] 0 0 12 1 2 3 4 5 6 7 8 9 10 11 12 1 0.0 0.0 Month_2010 Precipitation Discharge TOC Load Discharge Weigheted Mean_TOC Concentration