Sample Month Year D14 D15 Dtotal N2O NOx NH4 Lat Lon Oyster-1 June 2014 17.54 166.00 183.53 2.03 -0.04 -2.00 36.89735 -76.08868 Oyster-2 June 2014 39.96 308.05 348.01 4.06 0.30 4.53 36.89735 -76.08868 Oyster 3 June 2014 39.66 380.60 420.26 5.10 0.41 -0.53 36.89735 -76.08868 Oyster-1 August 2014 11.41 80.83 92.24 3.03 -0.83 0.91 36.89735 -76.08868 Oyster-2 August 2014 14.55 72.68 87.24 1.65 0.02 -2.07 36.89735 -76.08868 Oyster-3 August 2014 22.52 137.13 159.65 2.17 -0.60 -1.95 36.89735 -76.08868 Oyster-1 October 2014 29.34 90.66 120.00 1.92 -1.06 -1.77 36.89735 -76.08868 Oyster-2 October 2014 40.97 244.34 285.31 5.52 -0.28 -0.68 36.89735 -76.08868 Oyster-3 October 2014 23.41 105.87 129.28 0.91 -0.17 10.99 36.89735 -76.08868 Oyster-4 October 2014 20.57 126.41 146.97 1.91 0.74 0.57 36.89735 -76.08868 Scrubbed-2 August 2014 19.37 112.83 132.20 1.94 -0.95 -2.90 36.89735 -76.08868 Scrubbed-3 August 2014 14.13 118.30 132.44 1.64 -0.88 12.39 36.89735 -76.08868 Scrubbed-1 October 2014 4.35 16.33 20.68 0.39 -0.10 2.35 36.89735 -76.08868 Scrubbed-2 October 2014 24.72 46.06 70.78 0.63 0.12 9.00 36.89735 -76.08868 Scrubbed-3 October 2014 10.22 33.29 43.51 0.36 0.44 -0.58 36.89735 -76.08868 Scrubbed-4 October 2014 7.21 17.18 24.39 0.21 -0.25 4.83 36.89735 -76.08868 Shell-1 June 2014 7.67 45.16 52.83 0.82 0.16 -1.29 36.89735 -76.08868 Shell-2 June 2014 10.11 84.78 94.89 1.72 0.15 -2.52 36.89735 -76.08868 Shell-1 August 2014 5.26 31.21 36.47 2.70 -0.99 -3.10 36.89735 -76.08868 Shell-2 August 2014 5.39 19.21 24.61 0.48 -0.70 -2.82 36.89735 -76.08868 Shell-3 August 2014 3.78 18.29 22.07 1.81 -0.60 -2.57 36.89735 -76.08868 Shell-1 October 2014 5.99 16.59 22.57 0.30 -1.22 -1.92 36.89735 -76.08868 Shell-2 October 2014 5.44 6.06 11.50 0.18 -1.22 -1.28 36.89735 -76.08868 Shell-3 October 2014 5.02 18.68 23.70 0.32 -1.29 -1.96 36.89735 -76.08868 Shell-4 October 2014 6.76 22.12 28.88 0.61 -1.29 -1.51 36.89735 -76.08868 Sediment-1 June 2014 2.75 41.32 44.07 0.80 -0.04 3.31 36.89735 -76.08868 Sediment-1 August 2014 3.78 23.83 27.61 0.09 -0.78 -0.42 36.89735 -76.08868 Sediment-2 August 2014 9.04 112.73 121.77 0.57 -0.87 -0.95 36.89735 -76.08868 Sediment-3 August 2014 4.50 26.01 30.50 0.13 -0.79 -2.85 36.89735 -76.08868 Sediment-1 October 2014 3.86 34.29 38.15 0.13 -0.38 -1.72 36.89735 -76.08868 Sediment-2 October 2014 4.24 27.12 31.36 0.15 -0.32 -0.89 36.89735 -76.08868 Sediment-3 October 2014 3.83 30.28 34.10 0.14 -0.38 -1.76 36.89735 -76.08868