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publications > open file report > OFR-00-327 > table 11
Regional Geochemistry of Metals in Organic-Rich Sediments, Sawgrass and Surface Water, from Taylor Slough, Florida
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Table 11. Element accumulation rates (EAR) calculated for selected major elements in organic-rich sediment core material.
Data valid to two significant figures.
[ --, no data; core name and location keyed to fig. 2] |
Depth, cm |
Bulk Density
g/cm3 |
Sedimenta-
tion Rate
cm/yr; |
Sediment Accumulation Rate (SAR)
g/cm2/yr |
Aluminum |
Calcium |
Concentra-
tion
ug/g |
EAR
µg/cm2/yr |
EAR
µg/m2/yr |
EAR
g/m2/yr |
Concentra-
tion
ug/g |
EAR
µg/cm2/yr |
EAR
µg/m2/yr |
EAR
g/m2/yr |
Core TS1 |
2.5 |
0.12 |
1.31 |
0.16 |
19000 |
2987 |
29868000 |
30 |
52000 |
8174 |
8174400 |
8.2 |
7.5 |
0.19 |
1.01 |
0.19 |
38000 |
7292 |
72922000 |
73 |
27000 |
5181 |
5181300 |
5.2 |
12.5 |
0.26 |
0.84 |
0.22 |
6600 |
1441 |
14414400 |
14 |
31000 |
6770 |
6770400 |
6.8 |
17.5 |
0.26 |
0.78 |
0.20 |
56000 |
11357 |
113568000 |
114 |
24000 |
4867 |
4867200 |
4.9 |
25.0 |
0.28 |
0.75 |
0.21 |
63000 |
13230 |
132300000 |
132 |
37000 |
7770 |
7770000 |
7.8 |
|
Core TS7 |
2.5 |
0.127 |
0.1 |
0.013 |
4600 |
60 |
598000 |
0.60 |
200000 |
2600.0 |
2600000 |
2.6 |
7.5 |
0.262 |
0.1 |
0.026 |
2700 |
71 |
707400 |
0.71 |
260000 |
6812.0 |
6812000 |
6.8 |
12.5 |
0.314 |
0.1 |
0.031 |
50000 |
1570 |
15700000 |
16 |
28000 |
879.2 |
879200 |
0.88 |
17.5 |
0.115 |
0.1 |
0.012 |
6700 |
77 |
770500 |
0.77 |
31000 |
356.5 |
356500 |
0.36 |
25.0 |
0.104 |
0.1 |
0.010 |
5600 |
58 |
582400 |
0.58 |
25000 |
260.0 |
260000 |
0.26 |
35.0 |
0.109 |
0.1 |
0.011 |
6400 |
70 |
697600 |
0.70 |
25000 |
272.5 |
272500 |
0.27 |
45.0 |
0.118 |
0.1 |
0.012 |
8200 |
97 |
967600 |
0.97 |
29000 |
342.2 |
342200 |
0.34 |
55.0 |
0.131 |
0.1 |
0.013 |
7800 |
102 |
1021800 |
1.0 |
24000 |
314.4 |
314400 |
0.31 |
65.0 |
0.113 |
0.1 |
0.011 |
4700 |
53 |
531100 |
0.53 |
34000 |
384.2 |
384200 |
0.38 |
|
Core TS7E |
2.5 |
0.248 |
0.145 |
0.036 |
2800 |
101 |
1006880 |
1.0 |
260000 |
9349.6 |
9349600 |
9.3 |
7.5 |
0.281 |
0.145 |
0.041 |
2600 |
106 |
1059370 |
1.1 |
220000 |
8963.9 |
8963900 |
9.0 |
12.5 |
0.316 |
0.145 |
0.046 |
2200 |
101 |
1008040 |
1.0 |
240000 |
10996.8 |
10996800 |
11.0 |
17.5 |
0.328 |
0.145 |
0.048 |
6200 |
295 |
2948720 |
2.9 |
36000 |
1712.2 |
1712160 |
1.7 |
22.5 |
0.217 |
0.145 |
0.031 |
6300 |
198 |
1982295 |
2.0 |
42000 |
1321.5 |
1321530 |
1.3 |
27.5 |
0.18 |
0.145 |
0.026 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
32.5 |
0.1 |
0.145 |
0.015 |
5800 |
84 |
841000 |
0.84 |
38000 |
551.0 |
551000 |
0.55 |
37.5 |
0.1 |
0.145 |
0.015 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
42.5 |
0.1 |
0.145 |
0.015 |
7100 |
103 |
1029500 |
1.0 |
36000 |
522.0 |
522000 |
0.52 |
50.0 |
0.1 |
0.145 |
0.015 |
7200 |
104 |
1044000 |
1.0 |
42000 |
609.0 |
609000 |
0.61 |
60.0 |
0.1 |
0.145 |
0.015 |
6400 |
93 |
928000 |
0.93 |
38000 |
551.0 |
551000 |
0.55 |
66.5 |
0.1 |
0.145 |
0.015 |
6000 |
87 |
870000 |
0.87 |
37000 |
536.5 |
536500 |
0.54 |
Note: This is a continuation of table above. |
Depth, cm |
Iron |
Potassium |
Magnesium |
Concentra-
tion
ug/g |
EAR
µg/cm2/yr |
EAR
µg/m2/yr |
EAR
g/m2/yr |
Concentra-
tion
ug/g |
EAR
µg/cm2/yr |
EAR
µg/m2/yr |
EAR
g/m2/yr |
Concentra-
tion
ug/g |
EAR
µg/cm2/yr |
EAR
µg/m2/yr |
EAR
g/m2/yr |
Core TS1 |
2.5 |
13000 |
2044 |
20436000 |
20 |
900 |
141 |
1414800 |
1.4 |
1700 |
267 |
2672400 |
2.7 |
7.5 |
20000 |
3838 |
38380000 |
38 |
1100 |
211 |
2110900 |
2.1 |
2600 |
499 |
4989400 |
5.0 |
12.5 |
8000 |
1747 |
17472000 |
17 |
2200 |
480 |
4804800 |
4.8 |
800 |
175 |
1747200 |
1.7 |
17.5 |
27000 |
5476 |
54756000 |
55 |
1400 |
284 |
2839200 |
2.8 |
3700 |
750 |
7503600 |
7.5 |
25.0 |
35000 |
7350 |
73500000 |
74 |
1600 |
336 |
3360000 |
3.4 |
4000 |
840 |
8400000 |
8.4 |
|
Core TS7 |
2.5 |
6200 |
81 |
806000 |
0.8 |
1000 |
13.0 |
130000 |
0.13 |
1600 |
20.8 |
208000 |
0.21 |
7.5 |
5800 |
152 |
1519600 |
1.5 |
100 |
2.6 |
26200 |
0.03 |
1900 |
49.8 |
497800 |
0.50 |
12.5 |
24000 |
754 |
7536000 |
7.5 |
1400 |
44.0 |
439600 |
0.44 |
3200 |
100 |
1000000 |
1.00 |
17.5 |
8600 |
99 |
989000 |
1.0 |
500 |
5.8 |
57500 |
0.06 |
800 |
9.2 |
92000 |
0.09 |
25.0 |
7500 |
78 |
780000 |
0.8 |
400 |
4.2 |
41600 |
0.04 |
700 |
7.3 |
72800 |
0.07 |
35.0 |
7900 |
86 |
861100 |
0.9 |
500 |
5.5 |
54500 |
0.05 |
700 |
7.6 |
76300 |
0.08 |
45.0 |
9100 |
107 |
1073800 |
1.1 |
600 |
7.1 |
70800 |
0.07 |
900 |
10.6 |
106200 |
0.11 |
55.0 |
6800 |
89 |
890800 |
0.9 |
2600 |
34.1 |
340600 |
0.34 |
800 |
10.5 |
104800 |
0.10 |
65.0 |
4500 |
51 |
508500 |
0.5 |
400 |
4.5 |
45200 |
0.05 |
700 |
7.9 |
79100 |
0.08 |
|
Core TS7E |
2.5 |
5800 |
209 |
2085680 |
2.1 |
900 |
32.4 |
323640 |
0.32 |
1500 |
53.9 |
539400 |
0.54 |
7.5 |
4400 |
179 |
1792780 |
1.8 |
500 |
20.4 |
203725 |
0.20 |
1200 |
48.9 |
488940 |
0.49 |
12.5 |
3800 |
174 |
1741160 |
1.7 |
100 |
4.6 |
45820 |
0.05 |
1400 |
64.1 |
641480 |
0.64 |
17.5 |
9700 |
461 |
4613320 |
4.6 |
500 |
23.8 |
237800 |
0.24 |
700 |
33.3 |
332920 |
0.33 |
22.5 |
8100 |
255 |
2548665 |
2.5 |
400 |
12.6 |
125860 |
0.13 |
700 |
22.0 |
220255 |
0.22 |
27.5 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
32.5 |
7700 |
112 |
1116500 |
1.1 |
300 |
4.4 |
43500 |
0.04 |
700 |
10.2 |
101500 |
0.10 |
37.5 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
42.5 |
7100 |
103 |
1029500 |
1.0 |
400 |
5.8 |
58000 |
0.06 |
800 |
11.6 |
116000 |
0.12 |
50.0 |
6700 |
97 |
971500 |
1.0 |
700 |
10.2 |
101500 |
0.10 |
800 |
11.6 |
116000 |
0.12 |
60.0 |
6200 |
90 |
899000 |
0.9 |
300 |
4.4 |
43500 |
0.04 |
800 |
11.6 |
116000 |
0.12 |
66.5 |
6100 |
88 |
884500 |
0.9 |
200 |
2.9 |
29000 |
0.03 |
800 |
11.6 |
116000 |
0.12 |
Note: This is a continuation of table above. |
Depth, cm |
Sodium |
Phosphorus |
Concentra-
tion
ug/g |
EAR
µg/cm2/yr |
EAR
µg/m2/yr |
EAR
g/m2/yr |
Concentra-
tion
ug/g |
EAR
µg/cm2/yr |
EAR
µg/m2/yr |
EAR
g/m2/yr |
Core TS1 |
2.5 |
400 |
63 |
628800 |
0.63 |
1200 |
189 |
1886400 |
1.89 |
7.5 |
300 |
58 |
575700 |
0.58 |
900 |
173 |
1727100 |
1.73 |
12.5 |
1100 |
240 |
2402400 |
2.40 |
300 |
66 |
655200 |
0.66 |
17.5 |
1000 |
203 |
2028000 |
2.03 |
800 |
162 |
1622400 |
1.62 |
25.0 |
300 |
63 |
630000 |
0.63 |
800 |
168 |
1680000 |
1.68 |
|
Core TS7 |
2.5 |
800 |
10.4 |
104000 |
0.10 |
200 |
2.6 |
26000 |
0.03 |
7.5 |
400 |
10.5 |
104800 |
0.10 |
100 |
2.6 |
26200 |
0.03 |
12.5 |
600 |
18.8 |
188400 |
0.19 |
900 |
28.3 |
282600 |
0.28 |
17.5 |
500 |
5.8 |
57500 |
0.06 |
300 |
3.5 |
34500 |
0.03 |
25.0 |
500 |
5.2 |
52000 |
0.05 |
200 |
2.1 |
20800 |
0.02 |
35.0 |
400 |
4.4 |
43600 |
0.04 |
200 |
2.2 |
21800 |
0.02 |
45.0 |
200 |
2.4 |
23600 |
0.02 |
200 |
2.4 |
23600 |
0.02 |
55.0 |
1200 |
15.7 |
157200 |
0.16 |
100 |
1.3 |
13100 |
0.01 |
65.0 |
400 |
4.5 |
45200 |
0.05 |
90 |
1.0 |
10170 |
0.01 |
|
Core TS7E |
2.5 |
700 |
25.2 |
251720 |
0.25 |
300 |
10.8 |
107880 |
0.11 |
7.5 |
700 |
28.5 |
285215 |
0.29 |
300 |
12.2 |
122235 |
0.12 |
12.5 |
300 |
13.7 |
137460 |
0.14 |
200 |
9.2 |
91640 |
0.09 |
17.5 |
300 |
14.3 |
142680 |
0.14 |
400 |
19.0 |
190240 |
0.19 |
22.5 |
200 |
6.3 |
62930 |
0.06 |
400 |
12.6 |
125860 |
0.13 |
27.5 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
32.5 |
200 |
2.9 |
29000 |
0.03 |
300 |
4.4 |
43500 |
0.04 |
37.5 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
42.5 |
300 |
4.4 |
43500 |
0.04 |
300 |
4.4 |
43500 |
0.04 |
50.0 |
1000 |
14.5 |
145000 |
0.15 |
400 |
5.8 |
58000 |
0.06 |
60.0 |
200 |
2.9 |
29000 |
0.03 |
200 |
2.9 |
29000 |
0.03 |
66.5 |
200 |
2.9 |
29000 |
0.03 |
300 |
4.4 |
43500 |
0.04 |
Depth, cm |
Bulk Density
g/cm3 |
Sedimenta-
tion Rate
cm/yr |
Sediment Accumulation Rate (SAR)
g/cm2/yr |
Aluminum |
Calcium |
Concentra-
tion
ug/g |
EAR
µg/cm2/yr |
EAR
µg/m2/yr |
EAR
g/m2/yr |
Concentra-
tion
ug/g |
EAR
µg/cm2/yr |
EAR
µg/m2/yr |
EAR
g/m2/yr |
Core TS9 |
2.5 |
0.31 |
0.14 |
0.043 |
2300 |
100 |
998200 |
1.0 |
250000 |
10850.0 |
10850000 |
11 |
7.5 |
0.35 |
0.14 |
0.049 |
3100 |
152 |
1519000 |
1.5 |
300000 |
14700.0 |
14700000 |
15 |
12.5 |
0.36 |
0.14 |
0.050 |
3600 |
181 |
1814400 |
1.8 |
290000 |
14616.0 |
14616000 |
15 |
17.5 |
0.4 |
0.14 |
0.056 |
1800 |
101 |
1008000 |
1.0 |
300000 |
16800.0 |
16800000 |
17 |
22.5 |
0.42 |
0.14 |
0.059 |
3700 |
218 |
2175600 |
2.2 |
290000 |
17052.0 |
17052000 |
17 |
27.5 |
0.45 |
0.14 |
0.063 |
3500 |
221 |
2205000 |
2.2 |
290000 |
18270.0 |
18270000 |
18 |
32.5 |
0.43 |
0.14 |
0.060 |
23000 |
1385 |
13846000 |
14 |
30000 |
1806.0 |
1806000 |
1.8 |
37.5 |
0.42 |
0.14 |
0.059 |
66000 |
3881 |
38808000 |
39 |
20000 |
1176.0 |
1176000 |
1.2 |
45.0 |
0.18 |
0.14 |
0.025 |
52000 |
1310 |
13104000 |
13 |
20000 |
504.0 |
504000 |
0.50 |
55.0 |
0.14 |
0.14 |
0.020 |
76000 |
1490 |
14896000 |
15 |
23000 |
450.8 |
450800 |
0.45 |
62.5 |
0.19 |
0.14 |
0.027 |
89000 |
2367 |
23674000 |
24 |
23000 |
611.8 |
611800 |
0.61 |
|
Core TS15 |
2.5 |
0.092 |
0.08 |
0.007 |
3600 |
26 |
264960 |
0.26 |
22000 |
161.9 |
161920 |
0.16 |
7.5 |
0.085 |
0.08 |
0.007 |
4200 |
29 |
285600 |
0.29 |
21000 |
142.8 |
142800 |
0.14 |
12.5 |
0.099 |
0.08 |
0.008 |
2200 |
17 |
174240 |
0.17 |
28000 |
221.8 |
221760 |
0.22 |
17.5 |
0.093 |
0.08 |
0.007 |
2600 |
19 |
193440 |
0.19 |
26000 |
193.4 |
193440 |
0.19 |
22.5 |
0.093 |
0.08 |
0.007 |
2200 |
16 |
163680 |
0.16 |
29000 |
215.8 |
215760 |
0.22 |
27.5 |
0.093 |
0.08 |
0.007 |
3300 |
25 |
245520 |
0.25 |
24000 |
178.6 |
178560 |
0.18 |
32.5 |
0.087 |
0.08 |
0.007 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
37.5 |
0.09 |
0.08 |
0.007 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
45.0 |
0.1 |
0.08 |
0.008 |
9900 |
79 |
792000 |
0.8 |
23000 |
184.0 |
184000 |
0.18 |
55.0 |
0.12 |
0.08 |
0.010 |
17000 |
163 |
1632000 |
1.6 |
18000 |
172.8 |
172800 |
0.17 |
61.5 |
0.128 |
0.08 |
0.010 |
14000 |
143 |
1433600 |
1.4 |
21000 |
215.0 |
215040 |
0.22 |
Note: This is a continuation of table above. |
Depth, cm |
Iron |
Potassium |
Magnesium |
Concentra-
tion
ug/g |
EAR
µg/cm2/yr |
EAR
µg/m2/yr |
EAR
g/m2/yr |
Concentra-
tion
ug/g |
EAR
µg/cm2/yr |
EAR
µg/m2/yr |
EAR
g/m2/yr |
Concentra-
tion
ug/g |
EAR
µg/cm2/yr |
EAR
µg/m2/yr |
EAR
g/m2/yr |
Core TS9 |
2.5 |
4100 |
178 |
1779400 |
1.8 |
200 |
8.7 |
86800 |
0.09 |
1900 |
82.5 |
824600 |
0.82 |
7.5 |
3000 |
147 |
1470000 |
1.5 |
900 |
44.1 |
441000 |
0.44 |
2600 |
127 |
1274000 |
1.27 |
12.5 |
3100 |
156 |
1562400 |
1.6 |
100 |
5.0 |
50400 |
0.05 |
2900 |
146 |
1461600 |
1.46 |
17.5 |
2900 |
162 |
1624000 |
1.6 |
35 |
2.0 |
19600 |
0.02 |
3200 |
179 |
1792000 |
1.79 |
22.5 |
2900 |
171 |
1705200 |
1.7 |
300 |
17.6 |
176400 |
0.18 |
3600 |
212 |
2116800 |
2.12 |
27.5 |
3200 |
202 |
2016000 |
2.0 |
35 |
2.2 |
22050 |
0.02 |
3700 |
233 |
2331000 |
2.33 |
32.5 |
13000 |
783 |
7826000 |
7.8 |
1500 |
90.3 |
903000 |
0.90 |
5000 |
301 |
3010000 |
3.01 |
37.5 |
21000 |
1235 |
12348000 |
12 |
2100 |
123.5 |
1234800 |
1.23 |
6500 |
382 |
3822000 |
3.82 |
45.0 |
20000 |
504 |
5040000 |
5.0 |
1700 |
42.8 |
428400 |
0.43 |
6500 |
164 |
1638000 |
1.64 |
55.0 |
33000 |
647 |
6468000 |
6.5 |
1900 |
37.2 |
372400 |
0.37 |
7500 |
147 |
1470000 |
1.47 |
62.5 |
35000 |
931 |
9310000 |
9.3 |
2300 |
61.2 |
611800 |
0.61 |
7800 |
207 |
2074800 |
2.07 |
|
Core TS15 |
2.5 |
4200 |
31 |
309120 |
0.31 |
1200 |
8.8 |
88320 |
0.09 |
4900 |
36.1 |
360640 |
0.36 |
7.5 |
4300 |
29 |
292400 |
0.29 |
1300 |
8.8 |
88400 |
0.09 |
5200 |
35.4 |
353600 |
0.35 |
12.5 |
2800 |
22 |
221760 |
0.22 |
500 |
4.0 |
39600 |
0.04 |
5300 |
42.0 |
419760 |
0.42 |
17.5 |
2000 |
15 |
148800 |
0.15 |
600 |
4.5 |
44640 |
0.04 |
8000 |
59.5 |
595200 |
0.60 |
22.5 |
2100 |
16 |
156240 |
0.16 |
600 |
4.5 |
44640 |
0.04 |
8500 |
63.2 |
632400 |
0.63 |
27.5 |
3000 |
22 |
223200 |
0.22 |
800 |
6.0 |
59520 |
0.06 |
8300 |
61.8 |
617520 |
0.62 |
32.5 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
37.5 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
45.0 |
7200 |
58 |
576000 |
0.58 |
1000 |
8.0 |
80000 |
0.08 |
7200 |
57.6 |
576000 |
0.58 |
55.0 |
14000 |
134 |
1344000 |
1.34 |
1700 |
16.3 |
163200 |
0.16 |
8100 |
77.8 |
777600 |
0.78 |
61.5 |
14000 |
143 |
1433600 |
1.43 |
1400 |
14.3 |
143360 |
0.14 |
7600 |
77.8 |
778240 |
0.78 |
Note: This is a continuation of table above. |
Depth, cm |
Sodium |
Phosphorus |
Concentra-
tion
ug/g |
EAR
µg/cm2/yr |
EAR
µg/m2/yr |
EAR
g/m2/yr |
Concentra-
tion
ug/g |
EAR
µg/cm2/yr |
EAR
µg/m2/yr |
EAR
g/m2/yr |
Core TS9 |
2.5 |
1000 |
43.4 |
434000 |
0.43 |
300 |
13.0 |
130200 |
0.13 |
7.5 |
900 |
44.1 |
441000 |
0.44 |
100 |
4.9 |
49000 |
0.05 |
12.5 |
1100 |
55.4 |
554400 |
0.55 |
90 |
4.5 |
45360 |
0.05 |
17.5 |
1000 |
56.0 |
560000 |
0.56 |
90 |
5.0 |
50400 |
0.05 |
22.5 |
1400 |
82.3 |
823200 |
0.82 |
60 |
3.5 |
35280 |
0.04 |
27.5 |
1500 |
94.5 |
945000 |
0.95 |
60 |
3.8 |
37800 |
0.04 |
32.5 |
4000 |
240.8 |
2408000 |
2.41 |
200 |
12.0 |
120400 |
0.12 |
37.5 |
3900 |
229.3 |
2293200 |
2.29 |
300 |
17.6 |
176400 |
0.18 |
45.0 |
5800 |
146.2 |
1461600 |
1.46 |
200 |
5.0 |
50400 |
0.05 |
55.0 |
6000 |
117.6 |
1176000 |
1.18 |
200 |
3.9 |
39200 |
0.04 |
62.5 |
5700 |
151.6 |
1516200 |
1.52 |
200 |
5.3 |
53200 |
0.05 |
|
Core TS15 |
2.5 |
12000 |
88.3 |
883200 |
0.88 |
300 |
2.2 |
22080 |
0.02 |
7.5 |
10000 |
68.0 |
680000 |
0.68 |
300 |
2.0 |
20400 |
0.02 |
12.5 |
7400 |
58.6 |
586080 |
0.59 |
300 |
2.4 |
23760 |
0.02 |
17.5 |
11000 |
81.8 |
818400 |
0.82 |
300 |
2.2 |
22320 |
0.02 |
22.5 |
13000 |
96.7 |
967200 |
0.97 |
200 |
1.5 |
14880 |
0.01 |
27.5 |
17000 |
126.5 |
1264800 |
1.26 |
200 |
1.5 |
14880 |
0.01 |
32.5 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
37.5 |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
-- |
45.0 |
16000 |
128.0 |
1280000 |
1.28 |
200 |
1.6 |
16000 |
0.02 |
55.0 |
17000 |
163.2 |
1632000 |
1.63 |
200 |
1.9 |
19200 |
0.02 |
61.5 |
16000 |
163.8 |
1638400 |
1.64 |
200 |
2.0 |
20480 |
0.02 |
|