Pre-aged plant waxes in tropical lake sediments and their influence

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Supplemental Table S1: Lake Chichancanab Plant-wax D Results
Depth
(cm)
TM
Age Model
(Cal Yr BP)
0
-58
95% CI
upper
PW
Age Model
(Cal Yr
BP)
-75
-49
559
95%
CI
lower
95%
CI
lower
95% CI
Upper
DC26
433
654
-147
-104
-134
-128
Dc28
DC30
Dmeana
5
-31
-48
-21
588
473
674
-154
-115
-129
-133
15
24
3
42
644
547
724
-133
-87
-113
-111
20
53
28
75
671
575
751
-127
-90
-116
-111
25
83
54
109
698
597
777
-129
-93
-108
-110
31
119
86
150
727
619
807
-127
-93
-108
-109
35
145
109
178
746
633
827
-128
-101
-121
-116
40
177
137
214
768
650
850
-124
-81
-115
-107
45
210
167
250
788
667
871
-120
-87
-107
-105
50
244
199
287
806
683
894
-123
-80
-116
-106
52
258
211
301
812
688
903
-133
-84
-125
-114
57
294
245
339
827
699
925
-140
-109
-133
-127
60
315
265
361
835
706
939
-118
-83
-100
-100
63
337
286
384
842
713
952
-106
-119
-126
-117
66
359
307
408
849
721
965
-138
-114
-136
-129
69
382
328
431
857
729
977
-116
-74
-112
-101
72
405
351
455
864
738
990
-122
-86
-118
-109
75
428
373
479
873
747
1005
-126
-90
-130
-116
80
467
411
519
888
763
1029
-125
-88
-115
-109
85
507
451
560
905
783
1056
-107
-51
-126
-95
90
548
492
601
927
805
1084
-112
-74
-123
-103
95
590
534
643
953
833
1114
-125
-118
-127
-124
100
633
577
685
985
865
1145
-105
-77
-103
-95
102
650
594
702
999
880
1157
-126
-86
-124
-112
104
668
612
720
1015
896
1169
-140
-112
-135
-129
105
677
621
728
1023
904
1176
-140
-104
-133
-126
106
686
630
737
1031
911
1183
-111
-71
-109
-97
107
694
639
746
1040
920
1189
-142
-106
-131
-126
108
703
649
755
1049
929
1196
-138
-105
-134
-126
109
712
658
763
1058
938
1203
-122
-82
-119
-108
110
721
667
772
1067
948
1209
-147
-110
-137
-131
111
730
676
781
1076
957
1217
-141
-106
-141
-129
112
739
686
790
1086
966
1224
-123
-92
-116
-110
113
748
695
799
1095
975
1231
-138
-96
-136
-123
114
757
705
808
1105
984
1239
-137
-97
-134
-123
115
767
714
817
1115
994
1246
-116
-77
-121
-105
116
776
723
826
1124
1004
1254
-134
-95
-127
-119
117
785
733
834
1134
1013
1261
-142
-119
-135
-132
118
794
743
843
1144
1023
1269
-121
-89
-119
-109
119
803
752
853
1154
1033
1278
-117
-93
-118
-110
120
813
761
862
1164
1044
1287
-149
-126
-135
-137
121
822
771
871
1174
1054
1294
-125
-99
-143
-122
122
832
781
880
1184
1065
1303
-138
-114
-125
-126
124
850
800
898
1203
1086
1322
-128
-103
-122
-118
127
879
830
926
1233
1119
1352
-131
-102
-104
-112
130
908
860
954
1264
1155
1382
-133
-111
-113
-119
133
937
890
982
1296
1191
1414
-129
-100
-118
-116
136
967
921
1010
1329
1230
1448
-137
-114
-118
-123
139
996
952
1038
1364
1271
1484
-133
-106
-119
-119
142
1026
983
1067
1402
1316
1521
-134
-97
-118
-117
145
1057
1014
1096
1443
1363
1558
-140
-112
-118
-123
146
1067
1025
1106
1457
1379
1572
-138
-104
-121
-121
148
1088
1046
1126
1487
1412
1598
-134
-102
-136
-124
150
1108
1067
1146
1518
1447
1626
-138
-111
-134
-127
151
1119
1078
1156
1535
1464
1641
-128
-92
-120
-114
153
1140
1100
1176
1568
1499
1670
-150
-107
-133
-130
154
1150
1110
1186
1585
1516
1686
-131
-101
-125
-119
156
1171
1132
1206
1620
1551
1716
-143
-112
-124
-126
157
1182
1143
1217
1637
1569
1732
-135
-95
-128
-120
159
1203
1165
1238
1674
1605
1763
-153
-106
-138
-132
160
1214
1176
1248
1692
1623
1779
-131
-86
-139
-119
162
1235
1198
1269
1729
1661
1812
-144
-99
-137
-127
163
1246
1209
1280
1748
1678
1829
-141
-104
-136
-127
165
1268
1230
1301
1785
1715
1862
-139
-93
-132
-121
166
1279
1241
1312
1804
1734
1879
-138
-97
-133
-123
168
1300
1264
1334
1842
1770
1913
-146
-112
-135
-131
169
1311
1275
1345
1861
1788
1931
-139
-113
-141
-131
172
1345
1308
1379
1918
1843
1988
-128
-87
-124
-113
175
1378
1341
1413
1974
1896
2048
-129
-89
-122
-114
178
1412
1374
1448
2030
1949
2112
-157
-114
-146
-139
181
1446
1408
1484
2086
2000
2177
-151
-115
-138
-134
184
1481
1441
1521
2143
2052
2243
-146
-106
-137
-130
187
1516
1474
1558
2199
2104
2310
-139
-120
-139
-133
190
1551
1507
1596
2256
2156
2378
-148
-117
-141
-135
193
1586
1541
1635
2314
2210
2444
-135
-110
-134
-126
196
1622
1574
1674
2373
2264
2510
-108
-74
-130
-104
200
1670
1619
1727
2453
2338
2597
-146
-105
-122
-124
205
1731
1675
1795
2556
2436
2704
-133
-91
-123
-116
210
1793
1732
1864
2661
2537
2810
-151
-113
-116
-127
214
1843
1777
1920
2747
2619
2893
-145
-109
-124
-126
215
1855
1788
1935
2768
2640
2914
-138
-100
-117
-118
220
1919
1845
2007
2877
2744
3018
-154
-107
-136
-132
a
225
1983
1902
2080
2988
2848
3122
-145
-106
-118
-123
230
2048
1960
2155
3100
2950
3229
-153
-121
-125
-133
235
2114
2017
2231
3212
3052
3340
-146
-118
-117
-127
240
2181
2075
2308
3325
3155
3451
-135
-94
-123
-117
244
2236
2122
2371
3416
3238
3541
-143
-103
-122
-123
245
2249
2134
2387
3439
3259
3564
-155
-113
-134
-134
255
1516
1474
1558
-159
-118
-141
-139
Mean of values for C26, C28, and C30 homologs.
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