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Table T13. Color measurements (absorbance) of interstitial water, Site U1425.

Core, section,
interval (cm)		 Top depth
CSF-A (m)		 Top depth
CCSF-A (m)		 Sample
type		 Alkalinity
(mM)		 Absorbance
227 nm		 Absorbance
325 nm
346-U1425A-
1H-1, 145–150 1.45 3.83 IW-Sq 7.79 0.495 0.101
1H-4, 20 4.70 7.08 IW-Rh   0.721 0.144
1H-4, 50 5.00 7.38 IW-Rh   0.807 0.145
1H-4, 80 5.30 7.68 IW-Rh   0.832 0.168
1H-4, 95 5.45 7.83 IW-Rh   0.783 0.145
1H-4, 108 5.58 7.96 IW-Rh   0.789 0.150
1H-4, 125 5.75 8.13 IW-Rh   0.825 0.160
1H-4, 140 5.90 8.28 IW-Rh   1.139 0.150
1H-4, 145–150 5.95 8.33 IW-Sq 10.90 0.818 0.164
346-U1425B-
1H-1, 145–150 1.45 1.45 IW-Sq 5.11 0.259 0.052
1H-4, 145–150 5.95 5.95 IW-Sq 9.35 0.676 0.151
2H-1, 145–150 10.25 10.81 IW-Sq 12.82 0.951 0.197
2H-4, 145–150 14.75 15.31 IW-Sq 14.94 1.132 0.211
3H-1, 145–150 19.75 21.33 IW-Sq 16.71 1.182 0.219
3H-4, 145–150 24.25 25.83 IW-Sq 18.59 1.256 0.224
4H-1, 145–150 29.25 31.35 IW-Sq 20.63 1.470 0.250
4H-4, 145–150 33.75 35.85 IW-Sq 22.14 1.638 0.257
5H-1, 145–150 38.75 41.16 IW-Sq 23.42 1.443 0.212
5H-4, 0–5 41.80 44.21 IW-Sq 24.38 1.420 0.235
6H-1, 145–150 48.25 52.35 IW-Sq 25.29 1.332 0.228
6H-4, 145–150 52.75 56.85 IW-Sq 25.82 1.199 0.194
7H-1, 145–150 57.75 62.43 IW-Sq 27.77 1.141 0.183
7H-4, 145–150 62.25 66.93 IW-Sq 28.71 1.163 0.194
8H-1, 145–150 67.25 73.08 IW-Sq 29.78 1.084 0.180
8H-4, 145–150 71.75 77.58 IW-Sq 30.29 1.103 0.172
9H-1, 145–150 76.75 83.40 IW-Sq 30.72 1.110 0.186
9H-4, 145–150 81.25 87.90 IW-Sq 30.99 1.066 0.150
10H-1, 145–150 86.25 90.52 IW-Sq 31.52    
10H-4, 145–150 90.75 95.02 IW-Sq 31.76 1.064 0.159
11H-1, 145–150 95.75 100.84 IW-Sq 31.90 1.008 0.129
11H-4, 145–150 100.25 105.34 IW-Sq 31.80 1.045 0.120
13X-1, 145–150 106.05 111.33 IW-Sq 32.08 0.998 0.107
14H-1, 145–150 107.45 112.87 IW-Sq 32.22 1.029 0.119
16X-1, 102–107 116.62 122.00 IW-Sq 32.10 0.953 0.096
18H-1, 145–150 123.95 128.74 IW-Sq 32.04 0.957 0.089
20H-1, 145–150 133.35 139.91 IW-Sq 32.17 0.945 0.089
21H-1, 145–150 138.05 143.77 IW-Sq 31.12 0.930 0.090
22H-1, 145–150 147.55 154.33 IW-Sq 30.69 0.925 0.095
23H-1, 145–150 157.05 164.17 IW-Sq 31.81 1.002 0.126
24H-1, 145–150 166.55 174.50 IW-Sq 31.11 0.947 0.085
25H-1, 145–150 176.05 184.04 IW-Sq 30.00 0.942 0.087
26H-1, 145–150 185.55 195.11 IW-Sq 30.17 0.933 0.072
27H-1, 145–150 195.05 203.68 IW-Sq 28.96 0.932 0.064
28H-1, 145–150 204.55 213.98 IW-Sq 27.77 0.899 0.060
29H-1, 145–150 213.05 222.65 IW-Sq 27.59 0.953 0.066
30H-1, 145–150 222.55 231.14 IW-Sq 26.42 0.930 0.059
32X-1, 145–150 232.05 241.12 IW-Sq 25.40 0.929 0.065
33H-1, 145–150 235.75 245.05 IW-Sq 24.72 0.968 0.069
34H-1, 145–150 245.25 254.49 IW-Sq 24.07 0.926 0.052
35H-1, 145–150 254.75 263.98 IW-Sq 22.67 0.936 0.051
36H-2, 145–150 264.81 274.89 IW-Sq 21.01 0.915 0.051
38H-1, 143–148 273.63 283.42 IW-Sq 20.22 0.948 0.055
40X-1, 145–150 283.05 293.36 IW-Sq 20.23    
42H-1, 140–145 291.00 303.74 IW-Sq 18.96 0.937 0.047
44H-1, 140–145 300.40 313.14 IW-Sq 16.16    
46H-1, 140–145 309.80 321.90 IW-Sq 16.75 0.892 0.034
48H-1, 140–145 319.20 332.25 IW-Sq 16.14    
346-U1425D-
1H-1, 0–5 0.00 0.00 IW-Rh 2.50 0.092 0.009
1H-1, 5 0.05 0.05 IW-Rh 2.66 0.114 0.010
1H-1, 10 0.10 0.10 IW-Rh 2.71 0.111 0.013
1H-1, 15 0.15 0.15 IW-Rh 2.87 0.112 0.014
1H-1, 20 0.20 0.20 IW-Rh 2.98 0.176 0.029
1H-1, 25 0.25 0.25 IW-Rh 3.07 0.161 0.027
1H-1, 30 0.30 0.30 IW-Rh 3.12 0.174 0.039
1H-1, 40 0.40 0.40 IW-Rh 3.29 0.182 0.032
1H-1, 90 0.90 0.90 IW-Rh 4.15 0.198 0.052
1H-1, 120 1.20 1.20 IW-Rh 4.42 0.234 0.042
1H-2, 10 1.60 1.60 IW-Rh 4.99 0.271 0.052
1H-3, 140 4.40 4.40 IW-Rh 8.25 0.530 0.109
4H-1, 10 24.40 26.83 IW-Rh 19.16 1.426 0.171
4H-2, 10 25.90 28.33 IW-Rh 19.14 1.449 0.179
4H-3, 10 27.40 29.83 IW-Rh 19.99 1.503 0.168
4H-4, 10 28.90 31.33 IW-Rh 20.13 1.527 0.185
4H-5, 10 30.40 32.83 IW-Rh 20.57 1.568 0.183
4H-6, 10 31.90 34.33 IW-Rh 21.13 1.519 0.178
5H-1, 10 33.90 36.97 IW-Rh 21.29 1.677 0.206
5H-2, 10 35.40 38.47 IW-Rh 22.61 1.639 0.190
5H-3, 10 36.90 39.97 IW-Rh 22.69 1.654 0.205

IW-Sq = interstitial water from whole-round squeezing, IW-Rh = interstitial water from Rhizons.

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