Location Date Latitude Longitude Salinity Water Temperature (°C) Water ?18O (‰ VSMOW) Water ?D (‰ VSMOW) ?18O error ?D error Jacks Point 7/02/2017 -36.03 139.57 64.79 28.08 4.61 23.54 0.041 0.113 Jacks Point 21/03/2017 -36.03 139.57 66.58 24.28 4.92 24.90 0.083 0.272 Jacks Point 24/04/2017 -36.03 139.57 72.22 19.13 4.21 21.15 0.056 0.193 Jacks Point 30/05/2017 -36.03 139.57 62.66 14.22 3.10 16.73 0.041 0.163 Jacks Point 7/07/2017 -36.03 139.57 59.59 12.15 2.39 13.63 0.073 0.116 Jacks Point 27/07/2017 -36.03 139.57 57.64 11.97 1.81 10.31 0.032 0.05 Jacks Point 30/08/2017 -36.03 139.06 53.11 12.39 1.36 7.60 0.054 0.364 Jacks Point 29/09/2017 -36.03 139.57 52.22 18.16 1.49 8.81 0.077 0.211 Jacks Point 25/10/2017 -36.03 139.57 54.55 16.57 2.12 12.14 0.008 0.442 Jacks Point 15/11/2017 -36.03 139.57 53.44 19.69 2.34 13.16 0.066 0.45 Jacks Point 18/01/2018 -36.03 139.57 69.95 22.93 5.44 28.08 0.029 0.33 Jacks Point 28/02/2018 -36.03 139.57 83.60 21.17 5.54 28.54 0.101 1.025 Jacks Point 30/03/2018 -36.03 139.57 89.82 23.92 5.42 29.11 0.037 0.24 Jacks Point 3/05/2018 -36.03 139.57 74.20 15.90 3.08 14.26 0.035 0.066 Jacks Point 24/05/2018 -36.03 139.57 72.20 15.62 4.07 22.33 0.027 0.21 Lake Alexandrina 21/03/2017 -35.51 139.19 0.27 23.52 0.59 -0.71 0.023 0.12 Lake Alexandrina 24/04/2017 -35.51 139.19 0.22 19.50 -0.06 -5.12 0.025 0.146 Lake Alexandrina 30/05/2017 -35.51 139.19 0.23 13.63 0.09 -3.92 0.065 0.339 Lake Alexandrina 7/07/2017 -35.51 139.19 0.24 11.50 0.34 -0.88 0.052 0.147 Lake Alexandrina 27/07/2017 -35.51 139.19 0.28 11.77 0.35 -1.19 0.025 0.435 Lake Alexandrina 30/08/2017 -35.51 139.19 0.28 14.43 0.29 -0.39 0.013 0.087 Lake Alexandrina 29/09/2017 -35.51 139.19 0.28 16.30 0.28 -0.51 0.06 0.315 Lake Alexandrina 25/10/2017 -35.51 139.19 0.28 20.44 0.25 -0.04 0.024 0.143 Lake Alexandrina 15/11/2017 -35.51 139.19 0.29 20.75 0.13 -0.66 0.01 0.119 Lake Alexandrina 18/01/2018 -35.51 139.19 0.31 32.60 1.87 10.15 0.041 0.277 Lake Alexandrina 28/02/2018 -35.51 139.19 0.34 21.14 1.86 9.77 0.036 0.354 Lake Alexandrina 30/03/2018 -35.51 139.19 0.40 20.00 2.28 12.66 0.029 0.33 Lake Alexandrina 3/05/2018 -35.51 139.19 0.35 16.12 1.88 8.36 0.034 0.156 Lake Alexandrina 24/05/2018 -35.51 139.19 0.45 14.12 2.27 12.70 0.022 0.048 Long Point 1/11/2016 -35.70 139.16 7.68 15.05 -1.02 -6.51 0.025 0.199 Long Point 21/12/2016 -35.70 139.16 9.15 20.00 0.02 -1.31 0.038 0.267 Long Point 7/02/2017 -35.70 139.16 39.00 22.67 3.29 15.65 0.057 0.348 Long Point 21/03/2017 -35.70 139.16 22.38 22.04 2.36 10.04 0.065 0.111 Long Point 24/04/2017 -35.70 139.16 22.59 19.01 1.71 7.42 0.014 0.127 Long Point 30/05/2017 -35.70 139.16 13.04 13.44 0.53 1.94 0.027 0.095 Long Point 7/07/2017 -35.70 139.16 17.93 12.56 0.93 4.66 0.038 0.132 Long Point 27/07/2017 -35.67 139.14 15.82 12.40 0.43 1.75 0.036 0.161 Long Point 30/08/2017 -35.70 139.16 31.05 13.02 0.95 6.04 0.017 0.09 Long Point 29/09/2017 -35.67 139.16 23.98 17.27 1.11 6.61 0.057 0.283 Long Point 25/10/2017 -35.70 139.16 46.05 19.98 2.55 15.29 0.056 0.236 Long Point 15/11/2017 -35.70 139.16 20.56 20.86 2.43 13.71 0.045 0.107 Long Point 18/01/2018 -35.70 139.16 21.71 29.07 3.75 19.61 0.028 0.094 Long Point 28/02/2018 -35.70 139.16 28.34 20.49 2.77 15.48 0.022 0.089 Long Point 30/03/2018 -35.70 139.16 30.07 20.81 1.54 7.30 0.028 0.204 Long Point 3/05/2018 -35.70 139.16 32.23 15.71 1.25 6.39 0.029 0.148 Long Point 24/05/2018 -35.69 139.16 31.37 14.66 1.71 11.13 0.038 0.118 Mark Point 1/11/2016 -35.63 139.08 5.13 16.80 -1.71 -10.25 0.011 0.077 Mark Point 1/11/2016 -35.62 139.08 5.19 17.20 -1.69 -10.06 0.01 0.095 Mark Point 21/12/2016 -35.63 139.08 1.71 20.53 -1.75 -12.08 0.027 0.184 Mark Point 7/02/2017 -35.63 139.08 21.47 24.57 2.15 8.90 0.02 0.113 Mark Point 21/03/2017 -35.63 139.08 11.30 22.43 1.16 2.86 0.028 0.093 Mark Point 24/04/2017 -35.63 139.08 16.38 18.44 0.92 2.86 0.017 0.158 Mark Point 30/05/2017 -35.63 139.08 17.46 12.45 0.52 1.85 0.04 0.12 Mark Point 7/07/2017 -35.61 139.05 0.68 3.80 0.053 0.073 Mark Point 27/07/2017 -35.63 139.08 8.84 12.47 0.27 0.06 0.044 0.131 Mark Point 30/08/2017 -35.64 139.10 21.95 13.88 0.71 4.41 0.045 0.08 Mark Point 29/09/2017 -35.63 139.08 16.57 18.50 0.97 5.07 0.045 0.118 Mark Point 25/10/2017 -35.63 139.08 36.10 21.78 2.25 13.25 0.039 0.152 Mark Point 15/11/2017 -35.63 139.08 20.41 19.57 1.55 8.70 0.031 0.11 Mark Point 18/01/2018 -35.63 139.08 14.49 33.17 3.01 15.05 0.024 0.099 Mark Point 28/02/2018 -35.63 139.08 17.58 21.23 2.10 11.68 0.017 0.196 Mark Point 30/03/2018 -35.63 139.08 33.04 21.11 1.18 7.42 0.043 0.145 Mark Point 3/05/2018 -35.63 139.08 31.53 15.71 1.01 5.49 0.054 0.153 Mark Point 24/05/2018 -35.60 139.03 26.67 14.69 1.42 9.37 0.016 0.054 Mulbin Yerrok 1/11/2016 -35.67 139.14 3.33 15.80 -1.82 -10.87 0.025 0.07 Mulbin Yerrok 21/12/2016 -35.67 139.14 6.51 20.73 -0.62 -5.27 0.028 0.126 Mulbin Yerrok 7/02/2017 -35.67 139.14 32.36 24.74 3.09 14.60 0.072 0.113 Mulbin Yerrok 21/03/2017 -35.70 139.16 18.35 21.90 1.88 7.15 0.042 0.114 Mulbin Yerrok 24/04/2017 -35.65 139.10 16.73 18.82 1.03 3.59 0.084 0.424 Mulbin Yerrok 30/05/2017 -35.67 139.14 13.24 13.23 0.47 1.56 0.049 0.102 Mulbin Yerrok 7/07/2017 -35.66 139.10 24.33 12.70 0.73 4.01 0.05 0.169 Mulbin Yerrok 27/07/2017 -35.67 139.14 11.98 12.46 0.30 0.71 0.041 0.135 Mulbin Yerrok 30/08/2017 -35.66 139.12 27.48 13.84 0.88 5.27 0.037 0.148 Mulbin Yerrok 29/09/2017 -35.65 139.10 17.53 18.47 0.96 5.10 0.019 0.105 Mulbin Yerrok 25/10/2017 -35.65 139.10 40.17 20.89 2.36 14.16 0.007 0.094 Mulbin Yerrok 15/11/2017 -35.65 139.10 22.55 19.68 1.94 10.92 0.101 0.249 Mulbin Yerrok 18/01/2018 -35.70 139.16 15.01 32.73 3.87 19.46 0.037 0.109 Mulbin Yerrok 28/02/2018 -35.65 139.10 25.07 20.43 2.29 12.91 0.006 0.133 Mulbin Yerrok 30/03/2018 -35.70 139.16 34.41 23.04 1.23 8.07 0.039 0.027 Mulbin Yerrok 3/05/2018 -35.65 139.10 32.58 15.63 0.85 4.13 0.025 0.175 Mulbin Yerrok 24/05/2018 -35.65 139.10 26.49 14.79 1.44 9.63 0.056 0.109 Mundoo Channel 21/12/2016 -35.54 138.88 0.16 22.50 -1.98 -13.97 0.018 0.075 Mundoo Channel 9/02/2017 -35.54 138.88 1.48 24.35 -0.23 -5.93 0.054 0.354 Mundoo Channel 12/03/2017 -35.54 138.88 17.45 23.00 0.45 -0.10 0.03 0.246 Mundoo Channel 25/04/2017 -35.54 138.88 23.80 19.05 0.64 2.74 0.033 0.18 Mundoo Channel 31/05/2017 -35.54 138.88 24.37 12.17 0.58 3.23 0.03 0.118 Mundoo Channel 7/07/2017 -35.54 138.88 24.97 10.77 0.53 2.42 0.11 0.233 Mundoo Channel 30/08/2017 -35.54 138.88 0.51 15.23 0.25 -0.57 0.015 0.104 Mundoo Channel 29/09/2017 -35.54 138.88 30.69 15.21 0.67 3.95 0.06 0.354 Mundoo Channel 25/10/2017 -35.54 138.88 0.48 21.63 0.90 3.79 0.023 0.128 Mundoo Channel 15/11/2017 -35.54 138.88 19.95 20.47 1.70 8.76 0.043 0.256 Mundoo Channel 18/01/2018 -35.54 138.88 17.55 27.57 2.10 11.84 0.022 0.162 Mundoo Channel 28/02/2018 -35.54 138.88 24.65 20.55 1.94 10.90 0.052 0.327 Mundoo Channel 30/03/2018 -35.54 138.88 35.67 20.68 0.86 5.66 0.05 0.259 Mundoo Channel 3/05/2018 -35.56 138.88 30.12 16.82 1.15 5.92 0.03 0.163 Mundoo Channel 28/05/2018 -35.54 138.88 25.72 14.87 1.19 7.33 0.033 0.155 Parnka Point 30/05/2017 -35.90 139.40 30.48 13.53 1.85 10.04 0.016 0.18 Parnka Point 30/08/2017 -35.89 139.40 49.08 11.81 1.46 8.74 0.085 0.294 Parnka Point 25/10/2017 -35.90 139.40 56.80 16.93 2.78 15.79 0.048 0.166 Parnka Point 15/11/2017 -35.90 139.40 66.64 20.50 4.07 22.62 0.081 0.326 Parnka Point 18/01/2018 -35.90 139.40 70.80 25.98 5.78 30.70 0.064 0.469 Parnka Point 28/02/2018 -35.90 139.40 72.84 20.09 5.61 30.03 0.07 0.093 Parnka Point 30/03/2018 -35.90 139.40 44.00 21.85 4.12 23.21 0.026 0.154 Parnka Point 3/05/2018 -35.90 139.40 65.28 15.65 3.84 19.54 0.029 0.166 Parnka Point 24/05/2018 -35.90 139.40 59.66 15.86 2.99 17.85 0.056 0.121 Pelican Point 1/11/2016 -35.60 139.03 0.25 17.76 -2.81 -16.78 0.062 0.094 Pelican Point 21/12/2016 -35.63 139.08 0.16 19.40 -1.94 -13.60 0.022 0.092 Pelican Point 7/02/2017 -35.60 139.03 15.81 24.74 1.52 5.02 0.024 0.033 Pelican Point 21/03/2017 -35.60 139.03 4.41 23.08 0.38 -2.05 0.016 0.14 Pelican Point 24/04/2017 -35.60 139.03 14.35 19.20 0.66 1.43 0.032 0.173 Pelican Point 30/05/2017 -35.60 139.03 26.72 12.51 0.43 2.39 0.059 0.105 Pelican Point 7/07/2017 -35.60 139.03 1.06 12.72 0.37 -0.07 0.029 0.142 Pelican Point 27/07/2017 -35.60 139.03 7.00 12.40 0.25 -0.44 0.019 0.191 Pelican Point 30/08/2017 -35.60 139.03 22.68 16.06 0.70 4.36 0.014 0.075 Pelican Point 29/09/2017 -35.60 139.03 10.30 18.75 0.86 4.10 0.025 0.113 Pelican Point 25/10/2017 -35.60 139.03 20.67 23.49 1.61 9.05 0.013 0.05 Pelican Point 15/11/2017 -35.60 139.03 18.94 19.00 0.26 0.99 0.025 0.205 Pelican Point 18/01/2018 -35.60 139.03 13.72 37.90 2.77 14.79 0.024 0.162 Pelican Point 28/02/2018 -35.60 139.03 3.99 20.76 2.16 11.74 0.04 0.292 Pelican Point 30/03/2018 -35.60 139.03 23.67 21.34 1.58 9.55 0.055 0.061 Pelican Point 3/05/2018 -35.60 139.03 23.97 15.69 1.17 6.26 0.033 0.201 Pelican Point 24/05/2018 -35.60 139.03 23.32 14.40 1.34 8.77 0.046 0.071 Rob Point 30/08/2017 -35.79 139.30 43.70 13.54 1.26 7.68 0.079 0.158 Rob Point 29/09/2017 -35.78 139.30 41.62 19.01 1.66 10.56 0.093 0.258 Rob Point 25/10/2017 -35.78 139.30 52.39 17.60 2.54 14.93 0.08 0.242 Rob Point 15/11/2017 -35.78 139.30 57.45 20.78 3.53 20.22 0.04 0.115 Rob Point 18/01/2018 -35.78 139.30 55.92 25.49 4.98 26.63 0.046 0.133 Rob Point 28/02/2018 -35.78 139.30 49.23 20.22 4.92 26.96 0.023 0.263 Rob Point 30/03/2018 -35.79 139.30 27.69 22.76 2.90 16.66 0.05 0.322 Rob Point 3/05/2018 -35.78 139.30 41.71 16.32 2.74 14.21 0.013 0.105 Rob Point 24/05/2018 -35.78 139.30 42.44 15.84 2.64 16.01 0.031 0.224 Robs Point 7/02/2017 -35.78 139.30 56.00 25.77 4.15 20.74 0.021 0.265 Robs Point 21/03/2017 -35.79 139.30 57.20 24.85 4.24 20.83 0.026 0.109 Robs Point 24/04/2017 -35.79 139.30 39.20 20.14 2.91 14.32 0.059 0.141 Robs Point 30/05/2017 -35.79 139.30 24.09 13.81 1.52 7.93 0.033 0.056 Robs Point 7/07/2017 -36.03 139.57 23.98 13.21 1.75 10.11 0.023 0.111 Robs Point 27/07/2017 -35.79 139.30 29.39 12.23 1.06 6.23 0.022 0.17