River Country Discharge Runoff Precipitation Area Density NO3 Deposition NitrateConc Adige Italy 223 18.3 84.8 1220 102 67 1237.5 46 Amazon SAmerica 175000 24.8 181.1 7050000 1 3 120.6 2.1 Caragh Ireland 7.29 45.6 104.9 160 7.15 3.6 86.5 2.6 Columbia USA 7900 11.8 99.1 670000 10 26.6 62.8 2 Danube Rumania 6500 8.1 57.9 805000 90 46 826.4 45 Delaware USA 336 19.1 107.4 17600 100 61 851.7 25 Fraser Canada 3550 16.1 145.8 220000 2 6.4 739.7 16 Ganges India 16000 14.9 160 1070000 300 91.3 294.3 5.8 Glaama Norway 706 16.9 68.3 41770 12 24 975 45 Huanghe China 1470 2.0 32.3 750000 200 139 286.4 28 Hudson USA 560 16.1 107.4 34700 150 47.8 851.7 25 Kazan-and-Back Canada 1900 6.1 27.4 312000 0.4 1.1 60.9 7 Mackenzie Canada 10600 5.9 33.3 1787000 0.15 5.7 73.9 7 Magdalena Columbia 7500 31.3 106.2 240000 30 17 87.5 2.6 Mekong SEAsia 15000 19.2 139.2 783000 43 17 334.1 7.6 Mersey England 21 17.5 100.3 1200 200 156 919.4 28.9 Meuse Netherlands 317 9.1 65 34900 250 230 742.3 36 Mississippi USA 16100 5.0 114.8 3220000 30 63 691.7 19 Murray-Darling Australia 318.2 0.3 53.6 1073000 1.5 15 74.8 4.4 Nelson Canada 2370 2.2 37.3 1070000 2 5 248.6 21 Niger WAfrica 7000 6.2 181.6 1125000 20 7 555.2 9.6 Nile NEAfrica 950 0.3 15.7 2960000 50 20 50.9 10.2 Orange SAfrica 170 0.2 18.1 1020000 20 50 154.9 23 Orinoco Venezuela 33900 33.9 97.3 1000000 2 6 92.5 3 Parana Argentina 15900 5.7 75.8 2800000 10 14.2 216.2 9.9 Po Italy 1470 22.0 84.8 66700 232 102 1237.5 46 Rhine Europe 2200 11.9 86.6 185300 300 286 1647.9 60 Rhone France 1700 17.7 73.2 96000 100 57.2 695.9 30 Shannon Ireland 190 13.5 92.7 14000 35 54 252.8 8.6 Stikine Canada 1100 22.0 242.1 50000 1 6.1 76.8 1 StLawrence Canada 10700 10.4 101.1 1025000 15 16 673.2 21 Susquehanna USA 1100 15.1 103.6 73000 100 66 821.5 25 Tees England 50 27.7 58.2 1806 100 75 608.7 33 Thames England 78 7.8 58.2 9950 400 520 1125.1 61 Tiber Italy 230 13.5 84.8 17000 262 100 1237.5 46 Uruguay SAmerica 3850 10.5 86.1 365000 10 29 355.6 13.7 Vistula Poland 1100 5.5 55.9 200000 120 70.5 832.8 47 Volga Russia 8200 6.1 36.8 1350000 50 30 151.8 13 Yangtze China 29000 15.4 116.8 1900000 200 58.2 370.5 10 Yukon Canada 6180 7.4 78.5 831000 0.4 9.3 185.4 7.8 Zaire Zaire 39730 10.4 147.3 3820000 11.7 6 467.2 10 Zambezi SEAfrica 3200 2.5 51.8 1300000 15 9.3 138.5 8.4