# Guaymas porewater methane # R/V Atlantis AT37-06 # PI: Andreas Teske # Co-PI: Samantha Joye # Version date (v1): 2021-03-11 ========================= Site_Name Site Depth_Dive Lat Lon Depth del_CH4 del_CH4_Std_Dev Conc_CH4_pcnt Conc_CH4_ppm Conc_CH4_mM ------------------------- Octopus Mound 4866-1 1830 27.4696 -111.4732 SN no methane nd nd nd nd Octopus Mound 4866-1 1830 27.4696 -111.4732 0-3 cm -69.45 0.28 0.18 1825 1.41 Octopus Mound 4866-1 1830 27.4696 -111.4732 3-6 cm -72.62 0.12 0.23 2294 1.78 Octopus Mound 4866-1 1830 27.4696 -111.4732 6-9 cm -72.04 nd 0.07 750 0.58 Octopus Mound 4866-1 1830 27.4696 -111.4732 9-12 cm -74.90 0.42 0.11 1080 0.84 Octopus Mound 4866-1 1830 27.4696 -111.4732 12-15 cm -76.04 0.19 0.20 1964 1.52 Octopus Mound 4867-11 1830 27.4701 -111.4732 SN -68.01 0.15 0.60 6050 4.69 Octopus Mound 4867-11 1830 27.4701 -111.4732 0-3 cm -66.32 0.03 1.07 10683 8.28 Octopus Mound 4867-11 1830 27.4701 -111.4732 3-6 cm -68.64 0.06 0.47 4666 3.62 Octopus Mound 4867-26 1830 27.4696 -111.4733 SN no methane nd nd nd nd Octopus Mound 4867-26 1830 27.4696 -111.4733 0-3 cm no methane nd nd nd nd Octopus Mound 4867-26 1830 27.4696 -111.4733 3-6 cm no methane nd nd nd nd Octopus Mound 4867-26 1830 27.4696 -111.4733 6-9 cm no methane nd nd nd nd Octopus Mound 4867-26 1830 27.4696 -111.4733 9-12 cm no methane nd nd nd nd Octopus Mound 4867-26 1830 27.4696 -111.4733 12-15 cm no methane nd nd nd nd Octopus Mound 4867-26 1830 27.4696 -111.4733 15-18 cm no methane nd nd nd nd Octopus Mound 4867-4 1832 27.4706 -111.4731 0-3 cm no methane nd nd nd nd Octopus Mound 4867-4 1832 27.4706 -111.4731 3-6 cm no methane nd nd nd nd Octopus Mound 4867-4 1832 27.4706 -111.4731 6-9 cm no methane nd nd nd nd Octopus Mound 4867-4 1832 27.4706 -111.4731 9-12 cm no methane nd nd nd nd Octopus Mound 4867-4 1832 27.4706 -111.4731 12-15 cm no methane nd nd nd nd Octopus Mound 4867-4 1832 27.4706 -111.4731 15-18 cm no methane nd nd nd nd Octopus Mound 4867-4 1832 27.4706 -111.4731 18-21 cm no methane nd nd nd nd Northern mats 4871-4 1994.5 27.0444 -111.3847 SN -47.10 0.29 0.39 3877 3.00 Northern mats 4871-4 1994.5 27.0444 -111.3847 0-3 cm -45.18 0.11 0.81 8094 6.27 Northern mats 4871-4 1994.5 27.0444 -111.3847 3-6 cm -46.11 0.03 0.64 6406 4.96 Northern mats 4871-4 1994.5 27.0444 -111.3847 6-9 cm -46.99 0.13 1.07 10716 8.30 Northern mats 4871-4 1994.5 27.0444 -111.3847 9-12 cm -47.71 0.21 0.81 8146 6.31 Northern mats 4871-4 1994.5 27.0444 -111.3847 12-15 cm -45.75 0.11 1.00 9999 7.75 Northern mats 4871-4 1994.5 27.0444 -111.3847 15-18 cm -45.23 0.15 0.93 9281 7.19 Northern mats 4871-4 1994.5 27.0444 -111.3847 18-21 cm -45.09 0.11 0.89 8858 6.86 Northern mats 4871-4 1994.5 27.0444 -111.3847 21-24 cm no methane nd nd nd nd Northern mats 4871-27 1984.5 27.0459 -111.3808 SN -45.48 0.09 0.25 2516 1.95 Northern mats 4871-27 1984.5 27.0459 -111.3808 0-3 cm -39.84 0.05 0.53 5312 4.12 Northern mats 4871-27 1984.5 27.0459 -111.3808 3-6 cm -41.63 0.11 0.90 8951 6.94 Northern mats 4871-27 1984.5 27.0459 -111.3808 6-9 cm -45.04 0.27 0.73 7284 5.64 Northern mats 4871-27 1984.5 27.0459 -111.3808 9-12 cm -44.73 0.03 0.88 8822 6.84 Northern mats 4871-27 1984.5 27.0459 -111.3808 12-15 cm -45.18 0.18 0.83 8331 6.46 Northern mats 4871-27 1984.5 27.0459 -111.3808 15-18 cm -44.96 0.04 0.70 7036 5.45 Northern mats 4871-27 1984.5 27.0459 -111.3808 18-21 cm -44.57 0.10 1.49 14903 11.55 Northern mats 4871-27 1984.5 27.0459 -111.3808 21-24 cm -43.51 0.08 0.74 7351 5.70 Cathedral Hill 4872-1 2014.5 27.0114 -111.4044 SN no methane nd nd nd nd Cathedral Hill 4872-1 2014.5 27.0114 -111.4044 0-3 cm methane too low nd nd nd nd Cathedral Hill 4872-1 2014.5 27.0114 -111.4044 3-6 cm -62.40 0.32 0.04 418 0.32 Cathedral Hill 4872-1 2014.5 27.0114 -111.4044 6-9 cm -53.73 0.07 0.07 669 0.52 Cathedral Hill 4872-1 2014.5 27.0114 -111.4044 9-12 cm -47.64 0.22 0.08 832 0.64 Cathedral Hill 4872-1 2014.5 27.0114 -111.4044 12-15 cm -47.34 0.13 0.12 1203 0.93 Cathedral Hill 4872-1 2014.5 27.0114 -111.4044 15-18 cm -47.09 0.14 0.14 1440 1.12 Cathedral Hill 4872-1 2014.5 27.0114 -111.4044 18-21 cm -48.80 0.16 0.09 927 0.72 Cathedral Hill 4872-1 2014.5 27.0114 -111.4044 21-26 cm -48.48 0.15 0.10 979 0.76 Cathedral Hill 4872-1 2014.5 27.0114 -111.4044 26-31 cm -47.85 0.24 0.12 1183 0.92 Cathedral Hill 4872-1 2014.5 27.0114 -111.4044 31-36 cm -47.71 0.05 0.11 1124 0.87 Cathedral Hill 4872-1 2014.5 27.0114 -111.4044 36-41 cm -46.97 0.13 0.13 1302 1.01 Cathedral Hill 4872-1 2014.5 27.0114 -111.4044 41-46 cm -48.11 0.16 0.13 1262 0.98 Cathedral Hill 4872-1 2014.5 27.0114 -111.4044 46-51 cm -48.64 0.01 0.14 1374 1.06 Cathedral Hill 4872-6 2014.5 27.0114 -111.4044 SN no methane nd nd nd nd Cathedral Hill 4872-6 2014.5 27.0114 -111.4044 0-3 cm no methane nd nd nd nd Cathedral Hill 4872-6 2014.5 27.0114 -111.4044 3-6 cm -23.22 0.19 0.05 538 0.42 Cathedral Hill 4872-6 2014.5 27.0114 -111.4044 6-9 cm -20.67 0.11 0.12 1221 0.95 Cathedral Hill 4872-6 2014.5 27.0114 -111.4044 9-12 cm -21.17 0.00 0.12 1235 0.96 Cathedral Hill 4872-6 2014.5 27.0114 -111.4044 12-15 cm -20.23 0.29 0.12 1168 0.90 Cathedral Hill 4872-6 2014.5 27.0114 -111.4044 15-18 cm -22.57 0.06 0.14 1448 1.12 Cathedral Hill 4872-6 2014.5 27.0114 -111.4044 18-21 cm -22.10 0.12 0.16 1647 1.28 Cathedral Hill 4872-6 2014.5 27.0114 -111.4044 21-26 cm -23.78 0.14 0.19 1876 1.45 Cathedral Hill 4872-6 2014.5 27.0114 -111.4044 26-31 cm -27.08 0.08 0.26 2593 2.01 Cathedral Hill 4872-6 2014.5 27.0114 -111.4044 31-36 cm -29.94 0.09 0.28 2806 2.17 Cathedral Hill 4872-14 2014.5 27.0114 -111.4044 SN -48.86 0.15 0.09 947 0.73 Cathedral Hill 4872-14 2014.5 27.0114 -111.4044 0-3 cm -26.49 0.18 0.18 1763 1.37 Cathedral Hill 4872-14 2014.5 27.0114 -111.4044 3-6 cm -28.05 0.19 0.11 1132 0.88 Cathedral Hill 4872-14 2014.5 27.0114 -111.4044 6-9 cm -31.14 0.06 0.22 2211 1.71 Cathedral Hill 4872-14 2014.5 27.0114 -111.4044 9-12 cm -22.83 0.12 0.26 2605 2.02 Cathedral Hill 4872-14 2014.5 27.0114 -111.4044 12-15 cm -30.70 0.12 0.55 5454 4.23 Cathedral Hill 4872-14 2014.5 27.0114 -111.4044 15-18 cm -40.12 0.08 0.94 9426 7.30 Cathedral Hill 4872-14 2014.5 27.0114 -111.4044 18-21 cm -43.66 0.12 1.07 10734 8.32 Cathedral Hill 4872-14 2014.5 27.0114 -111.4044 21-26 cm -43.17 0.04 0.74 7426 5.75 Cathedral Hill 4872-14 2014.5 27.0114 -111.4044 26-31 cm -43.53 0.08 0.87 8748 6.78 Cathedral Hill 4872-14 2014.5 27.0114 -111.4044 31-36 cm -44.66 0.02 0.66 6607 5.12 Cathedral Hill 4872-14 2014.5 27.0114 -111.4044 36-41 cm -44.79 0.32 0.52 5210 4.04