RICE17 chronology
Citation: James E. Lee, Edward J. Brook, Jeffrey P. Severinghaus, Thomas Blunier, Christo Buizert, T.J. Fudge, Howard Conway, Ed D. Waddington, Frdric Parrenin, Dorthe Dahl-Jensen, Mai Winstrup, Paul Vallelonga, V. Gabriela Ciobanu, and Nancy Bertler: An 83,000 year old ice core from Roosevelt Island, Ross Sea, Antarctica, intended: Climate of the Past.

Notes: 
All ages are in years before present (BP), with present set to calendar year 1950 C.E.
 
Gas Age Uncertainty Type
1) Prior - Gas-age uncertainty is ~50% of length of feature
2) Monte Carlo Floating Control Point
3) Prior - Gas-age uncertainty is based upon sample resolution
 

Column 1: Depth (m)
Column 2: Gas_Age (years BP)
Column 3: sigma_gas_age (years) - 1-sigma uncertainty at floating control point
Column 4: Delta_Age (years)
Column 5: sigma_delta_age (years) - 1-sigma uncertainty of Delta-age
Column 6: Ice_Age (years BP) - Gas age + Delta-age
Column 7: sigma_Ice_Age (years) - 1-sigma uncertainty of Delta-age
Column 8: Gas_age_type - Gas age uncertainty type

For questions on the use or construction of this chronology, please contact:
<jlee@coas.oregonstate.edu>     James E. Lee
<Brooke@geo.oregonstate.edu> 	Ed Brook

  Depth Gas_Age sigma_Gas_Age Delta_Age sigma_Delta_Age Ice_Age sigma_Ice_Age Gas_age_type
 48.570     -55              7       142              NaN      87            NaN            1
 60.050     -21             19       146              NaN     125            NaN            2
 89.715      97             27       145              NaN     243            NaN            2
117.386     260             24       148               55     407             60            2
143.806     389             39       153               59     542             71            2
169.114     603             46       154               52     757             69            2
193.388     746             40       159               54     904             67            2
216.670     906             38       158               58    1065             69            2
239.000    1144             70       160               59    1304             91            2
251.816    1245             48       163               59    1408             76            2
264.318    1382             44       165               55    1547             71            2
276.514    1548             49       163               61    1711             78            2
288.411    1694             50       164               55    1858             75            2
300.018    1832             59       166               57    1997             82            2
311.340    1997             66       164               59    2161             88            2
322.386    2154             75       168               55    2322             93            2
333.161    2340             75       167               56    2507             94            2
343.672    2479             94       172               58    2651            111            2
353.927    2675             86       172               57    2848            103            2
363.930    2915             95       168               57    3083            111            2
373.689    3055             84       171               57    3227            102            2
383.208    3274            104       169               57    3443            119            2
392.495    3391             77       167               55    3558             94            2
401.555    3571             69       169               55    3740             88            2
410.393    3745             63       168               55    3913             84            2
419.015    3880             48       167               55    4047             73            2
427.425    4005             60       169               52    4174             80            2
435.630    4165             60       169               58    4334             83            2
443.634    4373             66       169               53    4542             84            2
451.443    4505             65       172               53    4677             84            2
459.060    4675             77       172               51    4847             93            2
466.492    4863             98       176               54    5039            112            2
473.741    4975             66       176               56    5151             86            2
480.813    5090             50       176               55    5266             75            2
487.713    5220             52       176               57    5395             77            2
494.444    5392             47       176               57    5568             74            2
501.010    5498             65       175               55    5673             85            2
507.415    5628             87       183               57    5811            104            2
513.665    5854             46       180               58    6034             74            2
519.761    6026             52       180               58    6206             78            2
525.708    6195             60       178               58    6373             84            2
531.510    6369             81       175               55    6544             97            2
537.170    6466             65       177               57    6643             87            2
542.691    6623             75       177               53    6800             92            2
548.078    6784             81       178               54    6961             97            2
553.333    6938             78       177               55    7115             95            2
558.459    7034             67       179               58    7213             89            2
563.460    7118            105       178               55    7295            119            2
568.339    7220            139       179               57    7399            151            2
573.098    7400            109       177               54    7577            122            2
577.741    7528            125       179               58    7706            138            2
582.271    7717             89       177               56    7895            105            2
586.689    7951             34       174               58    8126             68            2
591.000    8141             29       174               58    8314             65            2
595.671    8269             34       171               58    8440             68            2
600.215    8429             38       168               58    8597             69            2
604.636    8537             55       167               58    8704             80            2
608.937    8672             72       163               57    8835             92            2
613.121    8766            114       162               61    8928            129            2
617.191    8852            175       163               54    9016            183            2
621.151    9012            170       162               56    9174            179            2
625.004    9204            136       161               54    9365            146            2
628.751    9527             66       161               54    9687             86            2
632.398    9767            123       160               54    9927            135            2
635.945    9893             88       161               55   10054            104            2
639.396    9970             37       160               56   10130             67            2
642.753   10094             51       158               58   10253             77            2
646.019   10305             31       156               54   10461             63            2
649.196   10473             52       154               53   10627             74            2
652.288   10572             37       153               51   10725             63            2
655.295   10733             41       151               52   10884             66            2
658.221   10848             49       151               50   10999             70            2
661.067   11012             37       149               49   11161             61            2
663.836   11187             18       146               50   11333             54            2
666.529   11366             19       143               47   11510             50            2
669.150   11592             32       143               43   11735             53            2
669.750   11656             31       144               50   11800             59            2
670.050   11693             14       145               49   11838             51            2
677.300   12756             63       307               63   13063             89            2
679.579   13460             96       301               61   13762            114            2
681.798   14356            107       238               51   14594            118            2
683.958   14846             93       183               37   15029            101            2
686.061   15279            155       191               41   15470            160            2
688.107   15842            130       197               44   16040            137            2
690.099   16166            166       215               48   16381            173            2
692.039   16567            265       247               63   16814            273            2
693.926   17276            175       287               98   17563            200            2
695.764   18239            307       302              134   18540            335            2
697.552   19024            480       307              151   19331            503            2
699.293   19570            458       314              137   19884            478            2
700.988   19970            357       321              140   20291            383            2
702.638   20471            335       309              115   20780            355            2
704.243   21300            317       295              123   21595            340            2
705.806   22096            317       276              129   22372            342            2
707.328   22691            192       287               99   22978            216            2
708.809   23442            143       290               73   23733            160            2
710.251   24430            162       329               79   24759            180            2
711.654   25305            205       353               90   25658            224            2
713.020   26456            222       340               77   26796            235            2
714.349   27216            237       329               71   27544            248            2
715.644   28234            272       315               67   28549            280            2
716.904   29145            301       298               60   29443            307            2
718.130   29859            226       304               62   30163            234            2
719.300   30660            100       308               62   30968            118            1
720.700   32150            574       300               63   32450            578            3
722.800   34780            699       263               53   35043            701            3
723.900   36750           1008       265               54   37015           1009            3
724.600   38370           1013       235               57   38605           1015            3
725.310   39530            417       257               55   39787            421            3
726.850   40332            367       230               50   40562            371            3
728.090   41643            592       208               50   41851            594            3
728.720   43544           1231       237               50   43781           1232            3
729.050   44562           1231       233               53   44795           1232            3
729.680   46100           1379       197               56   46297           1380            3
730.050   47620           1447       197               55   47817           1448            3
730.950   48420            636       230               54   48650            638            3
737.260   51570           1257       203               54   51773           1259            3
739.650   53115            657       186               53   53301            659            3
740.470   54595           1154       186               48   54781           1155            3
741.250   56885           1094       217               49   57102           1095            3
742.550   59100           1135       180               50   59280           1136            3
746.000   64600            NaN       254              NaN   64854            NaN            1
746.100   74000            181       198              NaN   74198            NaN            3
747.850   77300            226        89              NaN   77389            NaN            3
748.290   72000             85       189              NaN   72189            NaN            3
749.600   71000            273       182              NaN   71182            NaN            3
750.460   71500            181       277              NaN   71777            NaN            3
750.560   74200            184       126              NaN   74326            NaN            3
752.150   77700           1116       205              NaN   77905            NaN            3
752.950   83000             74       166              NaN   83166            NaN            3
753.750   88500             98       NaN              NaN     NaN            NaN            3
