Citation:

PANGAEA.441706

Name: SPECMAP time scale developed by Imbrie et al., 1984 based on normalized planktonic records (normalized O-18 vs time, specmap.017)
Published: 2006-05-23
License: https://creativecommons.org/licenses/by/3.0/

Always quote citation above when using data! You can download the citation in several formats below.

Published: 2006-05-23 • DOI registered: 2006-06-21

RIS Citation BibTeX Citation Text Citation Share

Related to:

Imbrie, John D; McIntyre, Andrew; Mix, Alan C (1989): Oceanic response to orbital forcing in the late Quaternary: observational and experimental strategies. In: Berger, A; Schneider, S H & Duplessy, J C (eds.), Climate and Geosciences, A Challenge for Science and Society in the 21th Century. Boston (Kluwer Academic), 121-164, https://doi.org/10.1007/978-94-009-2446-8_7

McIntyre, Andrew; Ruddiman, William F; Karlin, K; Mix, Alan C (1989): Surface water response of the Equatorial Atlantic Ocean to orbital forcing. Paleoceanography, 4(1), 19-55, https://doi.org/10.1029/PA004i001p00019

Further details:

Duffy, A; Imbrie, John D (1989): Summary of Specmap archive No. 1. Spectral Mapping Project (Mapping Species Variability in Global Climate) (SPECMAP), hdl:10013/epic.32169.d001

Project(s):

Spectral Mapping Project (Mapping Species Variability in Global Climate) (SPECMAP)

Event(s):

d18O_stack

Comment:

This chronology is the basic control for the age models developed in Imbrie et al., 1989 and McIntyre et al., 1989.

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	AGE	Age	ka BP			Geocode
2	δ18O, stacked	δ18O stack	‰	SPECMAP	stacked

License:

Creative Commons Attribution 3.0 Unported (CC-BY-3.0)

Size:

783 data points

Data

Download dataset as tab-delimited text — use the following character encoding:

1 Age [ka BP]	2 δ18O stack [‰]
0	-2.088
1	-2.036
2	-1.909
3	-1.764
4	-1.738
5	-1.782
6	-1.445
7	-1.247
8	-1.016
9	-0.747
10	-0.434
11	-0.083
12	0.288
13	0.656
14	1.003
15	1.311
16	1.557
17	1.719
18	1.795
19	1.806
20	1.778
21	1.722
22	1.636
23	1.516
24	1.379
25	1.250
26	1.149
27	1.077
28	1.025
29	0.989
30	0.967
31	0.954
32	0.946
33	0.943
34	0.946
35	0.954
36	0.962
37	0.959
38	0.937
39	0.898
40	0.852
41	0.809
42	0.767
43	0.723
44	0.675
45	0.630
46	0.596
47	0.574
48	0.555
49	0.530
50	0.491
51	0.440
52	0.392
53	0.367
54	0.370
55	0.388
56	0.413
57	0.449
58	0.506
59	0.586
60	0.683
61	0.786
62	0.880
63	0.951
64	0.988
65	0.979
66	0.919
67	0.808
68	0.650
69	0.449
70	0.219
71	-0.016
72	-0.227
73	-0.396
74	-0.519
75	-0.612
76	-0.698
77	-0.789
78	-0.880
79	-0.947
80	-0.961
81	-0.897
82	-0.764
83	-0.610
84	-0.496
85	-0.450
86	-0.451
87	-0.464
88	-0.470
89	-0.466
90	-0.465
91	-0.483
92	-0.534
93	-0.614
94	-0.699
95	-0.763
96	-0.806
97	-0.852
98	-0.909
99	-0.949
100	-0.942
101	-0.884
102	-0.807
103	-0.739
104	-0.689
105	-0.643
106	-0.592
107	-0.544
108	-0.511
109	-0.497
110	-0.515
111	-0.593
112	-0.749
113	-0.961
114	-1.182
115	-1.372
116	-1.517
117	-1.627
118	-1.730
119	-1.849
120	-1.976
121	-2.072
122	-2.099
123	-2.033
124	-1.859
125	-1.567
126	-1.174
127	-0.725
128	-0.276
129	0.134
130	0.493
131	0.796
132	1.035
133	1.206
134	1.310
135	1.353
136	1.344
137	1.310
138	1.287
139	1.293
140	1.316
141	1.331
142	1.323
143	1.295
144	1.262
145	1.247
146	1.269
147	1.328
148	1.410
149	1.494
150	1.560
151	1.587
152	1.567
153	1.513
154	1.448
155	1.377
156	1.292
157	1.188
158	1.075
159	0.961
160	0.846
161	0.726
162	0.607
163	0.497
164	0.404
165	0.324
166	0.254
167	0.196
168	0.154
169	0.128
170	0.113
171	0.110
172	0.122
173	0.145
174	0.176
175	0.216
176	0.275
177	0.362
178	0.472
179	0.590
180	0.700
181	0.781
182	0.808
183	0.753
184	0.602
185	0.375
186	0.108
187	-0.162
188	-0.417
189	-0.654
190	-0.878
191	-1.096
192	-1.303
193	-1.479
194	-1.596
195	-1.638
196	-1.610
197	-1.527
198	-1.411
199	-1.286
200	-1.173
201	-1.077
202	-0.996
203	-0.930
204	-0.884
205	-0.871
206	-0.891
207	-0.938
208	-0.995
209	-1.056
210	-1.116
211	-1.176
212	-1.234
213	-1.293
214	-1.347
215	-1.384
216	-1.386
217	-1.344
218	-1.264
219	-1.148
220	-1.000
221	-0.827
222	-0.645
223	-0.471
224	-0.312
225	-0.168
226	-0.038
227	0.059
228	0.098
229	0.064
230	-0.029
231	-0.160
232	-0.316
233	-0.492
234	-0.676
235	-0.854
236	-1.007
237	-1.116
238	-1.161
239	-1.129
240	-1.019
241	-0.852
242	-0.650
243	-0.430
244	-0.195
245	0.052
246	0.297
247	0.515
248	0.676
249	0.758
250	0.765
251	0.722
252	0.659
253	0.592
254	0.523
255	0.457
256	0.403
257	0.373
258	0.372
259	0.394
260	0.428
261	0.464
262	0.495
263	0.524
264	0.559
265	0.609
266	0.679
267	0.762
268	0.838
269	0.883
270	0.882
271	0.838
272	0.768
273	0.685
274	0.599
275	0.511
276	0.419
277	0.318
278	0.208
279	0.098
280	-0.006
281	-0.102
282	-0.192
283	-0.274
284	-0.348
285	-0.412
286	-0.460
287	-0.478
288	-0.453
289	-0.392
290	-0.310
291	-0.229
292	-0.158
293	-0.099
294	-0.053
295	-0.015
296	0.016
297	0.038
298	0.041
299	0.012
300	-0.059
301	-0.166
302	-0.299
303	-0.449
304	-0.608
305	-0.771
306	-0.930
307	-1.075
308	-1.196
309	-1.285
310	-1.331
311	-1.334
312	-1.301
313	-1.248
314	-1.188
315	-1.126
316	-1.064
317	-1.004
318	-0.952
319	-0.918
320	-0.919
321	-0.961
322	-1.037
323	-1.132
324	-1.236
325	-1.342
326	-1.449
327	-1.553
328	-1.649
329	-1.728
330	-1.776
331	-1.774
332	-1.708
333	-1.576
334	-1.385
335	-1.135
336	-0.820
337	-0.446
338	-0.035
339	0.372
340	0.723
341	0.969
342	1.090
343	1.106
344	1.064
345	1.002
346	0.941
347	0.894
348	0.865
349	0.856
350	0.860
351	0.871
352	0.879
353	0.876
354	0.854
355	0.807
356	0.734
357	0.640
358	0.531
359	0.411
360	0.283
361	0.155
362	0.035
363	-0.075
364	-0.180
365	-0.282
366	-0.379
367	-0.454
368	-0.489
369	-0.477
370	-0.425
371	-0.345
372	-0.251
373	-0.155
374	-0.077
375	-0.037
376	-0.042
377	-0.086
378	-0.152
379	-0.227
380	-0.303
381	-0.380
382	-0.457
383	-0.532
384	-0.605
385	-0.670
386	-0.726
387	-0.773
388	-0.816
389	-0.857
390	-0.898
391	-0.938
392	-0.979
393	-1.022
394	-1.069
395	-1.125
396	-1.191
397	-1.266
398	-1.345
399	-1.427
400	-1.507
401	-1.584
402	-1.655
403	-1.717
404	-1.762
405	-1.778
406	-1.759
407	-1.708
408	-1.635
409	-1.549
410	-1.457
411	-1.363
412	-1.268
413	-1.174
414	-1.081
415	-0.994
416	-0.917
417	-0.851
418	-0.795
419	-0.740
420	-0.679
421	-0.608
422	-0.525
423	-0.433
424	-0.334
425	-0.222
426	-0.091
427	0.067
428	0.254
429	0.465
430	0.696
431	0.935
432	1.165
433	1.356
434	1.478
435	1.516
436	1.487
437	1.420
438	1.343
439	1.266
440	1.192
441	1.121
442	1.059
443	1.009
444	0.977
445	0.958
446	0.947
447	0.940
448	0.933
449	0.924
450	0.911
451	0.892
452	0.865
453	0.831
454	0.794
455	0.755
456	0.715
457	0.676
458	0.638
459	0.604
460	0.584
461	0.585
462	0.614
463	0.665
464	0.729
465	0.798
466	0.868
467	0.937
468	1.003
469	1.054
470	1.066
471	1.008
472	0.869
473	0.669
474	0.447
475	0.232
476	0.033
477	-0.156
478	-0.345
479	-0.530
480	-0.690
481	-0.801
482	-0.849
483	-0.848
484	-0.826
485	-0.806
486	-0.792
487	-0.779
488	-0.761
489	-0.736
490	-0.709
491	-0.689
492	-0.679
493	-0.679
494	-0.688
495	-0.707
496	-0.738
497	-0.777
498	-0.821
499	-0.866
500	-0.901
501	-0.912
502	-0.880
503	-0.796
504	-0.670
505	-0.521
506	-0.366
507	-0.216
508	-0.076
509	0.053
510	0.173
511	0.278
512	0.352
513	0.374
514	0.337
515	0.254
516	0.150
517	0.052
518	-0.030
519	-0.095
520	-0.153
521	-0.222
522	-0.308
523	-0.391
524	-0.437
525	-0.425
526	-0.360
527	-0.267
528	-0.168
529	-0.073
530	0.015
531	0.095
532	0.171
533	0.252
534	0.349
535	0.469
536	0.600
537	0.713
538	0.775
539	0.772
540	0.714
541	0.629
542	0.542
543	0.465
544	0.400
545	0.348
546	0.307
547	0.279
548	0.261
549	0.250
550	0.244
551	0.247
552	0.264
553	0.297
554	0.341
555	0.384
556	0.420
557	0.455
558	0.497
559	0.560
560	0.642
561	0.726
562	0.774
563	0.748
564	0.642
565	0.490
566	0.338
567	0.202
568	0.069
569	-0.087
570	-0.272
571	-0.475
572	-0.669
573	-0.824
574	-0.920
575	-0.949
576	-0.923
577	-0.858
578	-0.764
579	-0.646
580	-0.512
581	-0.368
582	-0.224
583	-0.089
584	0.021
585	0.087
586	0.099
587	0.060
588	-0.017
589	-0.123
590	-0.249
591	-0.381
592	-0.501
593	-0.596
594	-0.661
595	-0.696
596	-0.704
597	-0.686
598	-0.653
599	-0.613
600	-0.575
601	-0.532
602	-0.467
603	-0.365
604	-0.220
605	-0.054
606	0.089
607	0.157
608	0.126
609	0.009
610	-0.156
611	-0.335
612	-0.507
613	-0.659
614	-0.781
615	-0.862
616	-0.878
617	-0.794
618	-0.592
619	-0.283
620	0.091
621	0.480
622	0.844
623	1.156
624	1.408
625	1.605
626	1.757
627	1.861
628	1.906
629	1.890
630	1.839
631	1.793
632	1.776
633	1.780
634	1.778
635	1.749
636	1.686
637	1.595
638	1.486
639	1.369
640	1.260
641	1.171
642	1.110
643	1.073
644	1.050
645	1.031
646	1.013
647	0.995
648	0.977
649	0.959
650	0.940
651	0.922
652	0.903
653	0.882
654	0.852
655	0.806
656	0.734
657	0.632
658	0.508
659	0.370
660	0.228
661	0.088
662	-0.042
663	-0.155
664	-0.247
665	-0.320
666	-0.374
667	-0.401
668	-0.387
669	-0.326
670	-0.229
671	-0.121
672	-0.023
673	0.053
674	0.108
675	0.147
676	0.178
677	0.207
678	0.233
679	0.250
680	0.253
681	0.237
682	0.206
683	0.163
684	0.112
685	0.053
686	-0.013
687	-0.073
688	-0.098
689	-0.055
690	0.069
691	0.253
692	0.466
693	0.693
694	0.925
695	1.141
696	1.301
697	1.381
698	1.398
699	1.403
700	1.420
701	1.414
702	1.317
703	1.089
704	0.754
705	0.401
706	0.111
707	-0.082
708	-0.201
709	-0.273
710	-0.298
711	-0.258
712	-0.154
713	-0.024
714	0.081
715	0.136
716	0.154
717	0.164
718	0.186
719	0.220
720	0.248
721	0.246
722	0.207
723	0.147
724	0.075
725	-0.019
726	-0.147
727	-0.292
728	-0.420
729	-0.505
730	-0.538
731	-0.526
732	-0.489
733	-0.452
734	-0.412
735	-0.329
736	-0.159
737	0.095
738	0.388
739	0.665
740	0.893
741	1.062
742	1.174
743	1.231
744	1.239
745	1.216
746	1.185
747	1.160
748	1.145
749	1.142
750	1.153
751	1.180
752	1.229
753	1.304
754	1.392
755	1.455
756	1.448
757	1.348
758	1.171
759	0.963
760	0.757
761	0.571
762	0.413
763	0.283
764	0.182
765	0.103
766	0.035
767	-0.031
768	-0.097
769	-0.164
770	-0.232
771	-0.297
772	-0.354
773	-0.391
774	-0.392
775	-0.356
776	-0.302
777	-0.260
778	-0.201
779	-0.266
780	-0.330
781	-0.376
782	-0.422