# Santa Barbara Basin Stable Isotope and Foraminiferal Assemblage Data to 735 ka
#-----------------------------------------------------------------------
#               World Data Center for Paleoclimatology, Boulder
#                                   and
#                      NOAA Paleoclimatology Program
#-----------------------------------------------------------------------
# NOTE: Please cite original publication, online resource and date accessed when using this data.
# If there is no publication information, please cite Investigator, title, online resource and date accessed.
#
# Description/Documentation lines begin with #
# Data lines have no #
#
# Online_Resource: https://www.ncdc.noaa.gov/paleo/study/19762
# Online_Resource: http://www1.ncdc.noaa.gov/pub/data/paleo/paleocean/by_contributor/white2013/white2013-11jpc-bull.txt
#
# Archive: Paleoceanography
#
# Parameter_Keywords: oxygen isotopes, carbon isotopes, population abundance
#---------------------------------------
# Contribution_Date
#    Date: 2016-02-04
#---------------------------------------
# Title
#    Study_Name: Santa Barbara Basin Stable Isotope and Foraminiferal Assemblage Data to 735 ka
#---------------------------------------
# Investigators
#      Investigators: White, Sarah M.; Hill, Tessa M.; Kennett, James P.; Behl, Richard J.; Nicholson, Craig
#---------------------------------------
# Description_Notes_and_Keywords
#        Description: 
#         Provided Keywords: stadial, interstadial, glacial
#---------------------------------------
# Publication
# Authors: White, S.M., T.M. Hill, J.P. Kennett, R.J. Behl, and C. Nicholson
# Published_Date_or_Year: 2013
# Published_Title: Millennial-scale variability to 735 ka: High-resolution climate records from Santa Barbara Basin, CA 
# Journal_Name: Paleoceanography
# Volume: 28
# Issue: 
# Pages: 1-14
# Report Number: 
# DOI: 10.1002/palo.20022, 2013 
# Full_Citation: 
# Abstract: Determining the ultimate cause and effect of millennial-scale climate variability remains an outstanding problem in paleoceanography, partly due to the lack of high-resolution records predating the last glaciation. Recent cores from Santa Barbara Basin provide ~2500–5700 year “windows” of climate with ~10–50 year resolution. Ages for three cores, determined by seismic stratigraphic correlation, oxygen isotope stratigraphy, and biostratigraphy, date to ~293 ka (MIS 8), ~450 ka (MIS 12), and ~735 ka (MIS 18). These records sample the Late Pleistocene, during which the 100 kyr cycle strengthened and the magnitude of glacial-interglacial cyclicity increased. Thus, these records provide a test of the dependence of millennial-scale behavior on variations in glacial-interglacial cyclicity. The stable isotopic (d18O) composition of planktonic foraminifera shows millennial-scale variability in all three intervals, with similar characteristics (duration, cyclicity) to those previously documented during MIS 3 at this site. Stadial G. bulloides d18O values are 2.75–1.75‰ (average 2.25‰) and interstadial values are 1.75–0.5‰ (average 1‰), with rapid (decadal-scale) interstadial and stadial initiations of 1-2‰, as in MIS 3. Interstadials lasted ~250–1600 years and occurred every ~650–1900 years. Stadial paleotemperatures were 3.5–9.5°C and interstadial paleotemperatures were 7.5–13°C. Upwelling, evidenced by planktonic foraminiferal assemblages and d13C, increased during interstadials, similar to MIS 3; high productivity during some stadials was reminiscent of the Last Glacial Maximum. This study builds upon previous records in showing that millennial-scale shifts were an inherent feature of Northern Hemisphere glacial climates since 735 ka, and they remained remarkably constant in the details of their amplitude, cyclicity, and temperature variability.
#---------------------------------------
# Funding_Agency
#    Funding_Agency_Name: US National Science Foundation
#    Grant: OCE-0825322, OCE-0350573
#---------------------------------------
# Site Information
# Site_Name: MV0508-11JPC
# Location: Santa Barbara Basin
# Country: USA
# Northernmost_Latitude: 34.25
# Southernmost_Latitude: 34.25
# Easternmost_Longitude: -119.76
# Westernmost_Longitude: -119.76
# Elevation: -176.7
#---------------------------------------
# Data_Collection
#   Collection_Name: 11JPC bulloides White13
#   First_Year: 295000
#   Last_Year: 290500
#   Time_Unit: cal yr BP
#   Core_Length: 4.58
#   Notes: Ages are approximate - see White et al 2013 and supplementary online info for details. Precision of U. peregrina is ±0.04‰ for C isotopes and ±0.06‰ for O isotopes (performed at UC Davis); precision of N. pachyderma and G. bulloides is ±0.09‰ for both isotopes (performed at UC Santa Barbara). Foraminifera counts based on sample splits of >300 specimens.
#---------------------------------------
# Chronology_Information 
#   Chronology: 
# Cores were recovered from a submarine anticline that exposes pre-modern strata. Individual cores were placed in a chronostratigraphic framework using seismic stratigraphy in conjunction with well logs and seafloor outcrops; ages were refined using oxygen isotope stratigraphy, biostratigraphic datums, and a radiometrically dated ash layer. The sedimentation rate was used to estimate the length of time captured by each core. See White et al 2013 (including supplementary online info) for details.
#---------------------------------------
# Variables
# Data variables follow that are preceded by "##" in columns one and two.
# Variables list, one per line, shortname-tab-longname components (9 components: what, material, error, units, seasonality, archive, detail, method, C or N for Character or Numeric data)
## core_name	core name,,,,,,,,C
## CoreSect	core section,,,,,,,,C
## depth_top	depth,,,cm,,Paleoceanography,top of sample,,N
## d18Og.bull	delta 18O,Globigerina bulloides,,per mil PDB,,Paleoceanography,,isotope ratio mass spectrometry,N
## d13Cg.bull	delta 13C,Globigerina bulloides,,per mil PDB,,Paleoceanography,,isotope ratio mass spectrometry,N
#------------------------
# Data
# Data lines follow (have no #)
# Data line format - tab-delimited text, variable short name as header
# Missing Value: NaN
core_name	CoreSect	depth_top	d18Og.bull	d13Cg.bull	
11JPC	1	5	2.184	-0.971	
11JPC	1	15	2.145	-1.6	
11JPC	1	20	1.859	-1.037	
11JPC	1	25	1.914	-0.701	
11JPC	1	30	1.916	-1.554	
11HR	1	32	2.047	-1.002	
11HR	1	33	2.015	-1.141	
11HR	1	34	2.267	-1.459	
11HR	1	35	2.219	-1.539	
11JPC	1	35	1.917	-1.558	
11HR	1	36	2.252	-1.641	
11HR	1	37	2.222	-1.352	
11JPC	1	40	NaN	NaN	
11HR	1	41	1.962	-1.198	
11HR	1	43	2.07	-1.246	
I1HR	1	44	1.776	-1.565	
11HR	1	45	1.676	-2.067	
11JPC	1	45	1.225	-2.374	
11HR	1	46	1.578	-2.089	
11HR	1	47	1.552	-2.275	
11HR	1	48	1.489	-1.865	
11HR	1	49	1.932	-1.449	
11HR	1	50	1.511	-2.14	
11HR	1	52	1.16	-2.63	
11HR	1	53	1.674	-1.663	
11HR	1	54	1.385	-2.729	
11HR	1	55	1.419	-1.838	
11JPC	1	55	1.099	-2.358	
11HR	1	56	1.183	-1.869	
11HR	1	57	1.085	-2.691	
11HR	1	58	1.456	-2.242	
11HR	1	59	1.665	-1.471	
11HR	1	60	1.551	-1.798	
11JPC	1	60	NaN	NaN	
11HR	1	61	1.55	-1.967	
11HR	1	63	1.324	-2.016	
11HR	1	64	1.547	-1.887	
11HR	1	65	1.285	-2.402	
11JPC	1	65	1.346	-2.655	
11HR	1	66	1.417	-1.506	
11JPC	2	70	NaN	NaN	
11JPC	2	75	NaN	NaN	
11HR	2	76	1.955	-0.667	
11HR	2	77	1.806	-0.569	
11HR	2	78	1.162	-1.393	
11HR	2	79	0.857	-2.466	
11HR	2	80	1.473	-1.52	
11JPC	2	80	NaN	NaN	
11HR	2	81	0.959	-1.33	
11HR	2	82	0.395	-1.483	
11HR	2	83	0.827	-1.699	
11HR	2	84	0.952	-1.498	
11HR	2	85	1.484	-1.606	
11JPC	2	85	NaN	NaN	
11HR	2	87	0.702	-1.627	
11HR	2	88	1.217	-1.357	
11HR	2	89	0.735	-1.999	
11HR	2	90	0.366	-1.973	
11JPC	2	90	0.624	-1.533	
11HR	2	93	0.759	-2.166	
11HR	2	94	0.185	-2.314	
11HR	2	95	0.243	-2.504	
11JPC	2	95	NaN	NaN	
11HR	2	96	0.896	-2.575	
11HR	2	97	0.476	-2.347	
11HR	2	98	0.401	-2.025	
11HR	2	99	0.996	-2.224	
11HR	2	100	0.576	-2.598	
11JPC	2	100	0.469	-2.617	
11HR	2	101	0.664	-2.41	
11HR	2	102	0.602	-1.926	
11HR	2	103	0.189	-2.776	
11HR	2	105	1.217	-2.804	
11HR	2	104	0.478	-2.258	
11JPC	2	105	0.863	-2.441	
11HR	2	106	1.049	-2.151	
11HR	2	107	0.886	-1.794	
11HR	2	108	1.464	-1.451	
11HR	2	109	1.945	-1.218	
11HR	2	110	1.069	-1.527	
11HR	2	111	0.755	-1.809	
11JPC	2	115	NaN	NaN	
11JPC	2	120	NaN	NaN	
11JPC	2	125	NaN	NaN	
11JPC	2	130	NaN	NaN	
11JPC	2	135	NaN	NaN	
11JPC	2	140	NaN	NaN	
11HR	2	144	1.039	-1.238	
11HR	2	145	0.671	-1.52	
11JPC	2	145	0.926	-1.78	
11HR	2	146	1.251	-1.452	
11HR	2	147	0.581	-1.716	
11HR	2	149	0.691	-1.659	
11HR	2	150	0.865	-1.785	
11JPC	2	150	NaN	NaN	
11HR	2	155	1.013	-2.184	
11JPC	2	155	0.931	-2.119	
11HR	2	156	0.807	-2.588	
11HR	2	157	1.427	-2.27	
11HR	2	162	0.883	-3.187	
11HR	2	163	1.056	-3.803	
11HR	2	164	0.473	-3.091	
11JPC	2	165	NaN	NaN	
11HR	2	166	1.19	-3.706	
11HR	2	167	1.378	-3.509	
11HR	2	168	1.627	-4.754	
11HR	2	169	1.006	-3.95	
11JPC	2	170	1.565	-5.129	
11HR	2	184	0.802	-2.408	
11HR	2	185	0.218	-2.195	
11HR	2	186	0.677	-1.968	
11HR	2	187	0.39	-1.996	
11HR	2	188	0.566	-1.805	
11HR	2	189	0.459	-2.062	
11HR	2	190	0.556	-2.016	
11JPC	2	190	0.589	-2.104	
11HR	2	191	0.375	-2.389	
11HR	2	192	0.7	-1.993	
11HR	2	193	0.453	-2.58	
11JPC	2	195	NaN	NaN	
11JPC	2	200	NaN	NaN	
11HR	2	201	2.087	-0.891	
11HR	2	202	2.102	-0.871	
11HR	2	203	2.097	-0.518	
11HR	2	204	2.245	-0.51	
11HR	2	205	2.019	-0.397	
11JPC	2	205	NaN	NaN	
11HR	4	209	1.891	-0.66	
11JPC	2	210	NaN	NaN	
11HR	2	212	1.648	-1.117	
11HR	2	213	1.2	-1.409	
11JPC	2	215	NaN	NaN	
11HR	2	218	0.626	-1.542	
11HR	2	219	0.676	-1.508	
11HR	2	220	0.945	-1.447	
11JPC	2	220	NaN	NaN	
11HR	2	221	1.011	-1.55	
11HR	2	222	0.821	-1.469	
11HR	2	223	0.467	-1.123	
11JPC	3	225	0.469	-1.791	
11HR	2	226	0.494	-1.499	
11HR	2	229	0.899	-1.257	
11JPC	3	235	NaN	NaN	
11HR	3	239	1.59	-1.487	
11HR	3	240	0.969	-1.386	
11JPC	3	240	1.214	-1.691	
11HR	3	241	0.537	-1.709	
11HR	3	242	0.175	-1.451	
11HR	3	243	1.052	-1.139	
11HR	3	244	1.04	-1.66	
11HR	3	245	-0.092	-1.526	
11JPC	3	245	-0.369	-1.419	
11HR	3	247	0.365	-1.764	
11HR	3	248	0.741	-1.838	
11HR	3	249	NaN	NaN	
11HR	3	250	1.576	-0.839	
11JPC	3	250	NaN	NaN	
11HR	3	251	0.548	-1.162	
11HR	3	252	0.476	-1.263	
11HR	3	253	1.362	-0.868	
11HR	3	254	0.981	-1.056	
11HR	3	255	1.536	-0.768	
11JPC	3	255	1.249	-0.837	
11JPC	3	260	NaN	NaN	
11JPC	3	265	NaN	NaN	
11JPC	3	275	NaN	NaN	
11HR	3	277	1.002	-0.998	
11HR	3	278	0.256	-1.407	
11HR	3	279	-0.01	-1.596	
11JPC	3	280	0.494	-1.37	
11HR	3	282	0.452	-1.415	
11HR	3	284	0.844	-1.678	
11HR	3	285	0.914	-1.427	
11HR	3	287	0.453	-1.626	
11HR	3	288	0.219	-1.755	
11HR	3	289	0.141	-2.02	
11HR	3	290	-0.071	-1.775	
11HR	3	291	0.019	-1.756	
11HR	3	292	0.177	-1.835	
11HR	3	294	-0.127	-1.493	
11JPC	3	295	NaN	NaN	
11HR	3	297	0.224	-2.049	
11HR	3	298	-0.136	-1.854	
11HR	3	299	0.049	-2.056	
11JPC	3	300	0.019	-2.075	
11HR	3	302	-0.078	-1.916	
11HR	3	303	0.044	-1.996	
11HR	3	304	-0.156	-1.841	
11JPC	3	305	-0.211	-1.634	
11HR	3	307	-0.268	-1.883	
11HR	3	308	0.087	-1.774	
11HR	3	309	-0.58	-1.537	
11JPC	3	310	-0.212	-1.344	
11HR	3	312	-0.468	-1.572	
11HR	3	313	-0.248	-1.869	
11JPC	3	315	NaN	NaN	
11HR	3	318	1.407	-1.021	
11HR	3	319	1.173	-2.857	
11JPC	3	320	NaN	NaN	
11HR	3	322	0.822	-1.55	
11HR	3	323	0.825	-0.313	
11HR	3	324	1.417	-0.301	
11JPC	3	325	NaN	NaN	
11HR	3	327	1.683	-0.484	
11HR	3	330	1.663	-0.371	
11HR	3	331	1.486	-0.772	
11JPC	3	330	NaN	NaN	
11HR	3	332	1.677	-0.968	
11HR	3	333	1.431	-0.436	
11HR	3	334	1.502	-0.926	
11JPC	3	335	1.523	-1.057	
11HR	3	337	1.707	-0.712	
11HR	3	338	1.412	-0.839	
11HR	3	339	1.48	-0.909	
11JPC	3	340	NaN	NaN	
11HR	3	342	2.366	-1.124	
11HR	3	343	1.972	-1.134	
11HR	3	344	2.097	-1.768	
11JPC	3	345	2.154	-1.238	
11HR	3	347	1.22	-2.235	
11HR	3	348	1.722	-2.261	
11HR	3	349	1.467	-2.389	
11JPC	3	350	1.621	-2.611	
11HR	3	352	0.791	-2.065	
11HR	3	353	1.13	-2.197	
11HR	3	354	1.085	-2.914	
11JPC	3	355	1.196	-2.093	
11HR	3	357	1.359	-2.476	
11HR	3	358	2.052	-1.907	
11HR	3	359	1.324	-2.531	
11HR	3	360	1.577	-2.643	
11HR	3	361	1.21	-2.788	
11HR	3	362	1.101	-2.287	
11HR	3	363	0.95	-2.385	
11HR	3	364	1.167	-2.468	
11JPC	3	365	NaN	NaN	
11HR	3	367	1.138	-2.75	
11HR	3	368	1.749	-2.622	
11HR	3	369	1.527	-2.751	
11JPC	3	370	1.171	-2.917	
11HR	3	372	1.396	-2.779	
11HR	3	373	1.384	-2.839	
11HR	3	374	1.409	-2.724	
11HR	4	375	1.347	-3.137	
11JPC	4	375	1.622	-2.95	
11HR	4	376	1.161	-2.415	
11HR	4	377	1.123	-2.984	
11HR	4	378	1.207	-2.888	
11HR	4	379	0.994	-2.638	
11HR	4	380	1.48	-2.442	
11HR	4	381	1.378	-2.424	
11HR	4	382	1.488	-2.27	
11HR	4	383	1.447	-2.526	
11HR	4	384	1.324	-2.961	
11HR	4	385	1.31	-2.389	
11JPC	4	385	1.665	-2.735	
11HR	4	386	1.553	-2.377	
11HR	4	387	1.321	-2.699	
11HR	4	388	1.604	-2.333	
11HR	4	389	1.264	-2.541	
11JPC	4	390	1.725	-2.474	
11HR	4	390	1.785	-2.803	
11HR	4	391	1.75	-2.209	
11HR	4	392	1.686	-2.314	
11HR	4	393	1.48	-2.113	
11HR	4	394	1.561	-1.997	
11HR	4	395	1.591	-1.852	
11JPC	4	395	2.056	-3.129	
11HR	4	396	1.467	-1.967	
11HR	4	397	1.431	-2.13	
11HR	4	398	1.737	-1.753	
11HR	4	399	1.936	-1.99	
11HR	4	400	2.144	-2.104	
11JPC	4	400	1.825	-2.25	
11HR	4	401	1.688	-1.698	
11HR	4	402	1.552	-1.946	
11HR	4	403	1.856	-2.042	
11HR	4	404	1.774	-1.92	
11HR	4	405	1.664	-1.742	
11JPC	4	405	1.709	-2.252	
11HR	4	406	1.723	-1.686	
11HR	4	407	1.804	-1.891	
11HR	4	408	2.054	-2.183	
11HR	4	409	1.784	-2.122	
11HR	4	410	1.708	-1.933	
11JPC	4	410	1.939	-2.178	
11HR	4	411	1.886	-1.939	
11HR	4	412	2.047	-2.197	
11HR	4	413	2.213	-1.576	
11HR	4	414	2.071	-1.612	
11HR	4	415	2.218	-1.828	
11JPC	4	415	2.373	-1.914	
11HR	4	416	2.248	-1.702	
11HR	4	417	2.367	-1.587	
11HR	4	418	2.378	-1.333	
11HR	4	419	2.417	-1.278	
11HR	4	420	2.61	-1.287	
11JPC	4	420	2.95	-1.488	
11HR	4	421	2.484	-1.203	
11HR	4	422	2.48	-1.101	
11HR	4	423	2.605	-1.266	
11HR	4	424	2.455	-1.413	
11HR	4	425	2.495	-0.976	
11JPC	4	425	2.944	-1.253	
11HR	4	426	2.579	-1.134	
11HR	4	427	2.511	-1.187	
11HR	4	428	2.47	-1.146	
11HR	4	429	2.53	-1.104	
11HR	4	430	2.564	-1.198	
11JPC	4	430	2.901	-1.258	
11HR	4	431	2.671	-1.411	
11HR	4	432	2.609	-1.183	
11HR	4	433	2.311	-1.312	
11HR	4	434	2.537	-1.078	
11HR	4	435	2.359	-1.415	
11JPC	4	435	2.74	-1.817	
11HR	4	436	2.327	-1.253	
11HR	4	437	2.263	-1.212	
11HR	4	438	2.113	-1.222	
11HR	4	439	1.991	-1.289	
11HR	4	440	2.228	-1.198	
11JPC	4	440	2.645	-1.18	
11HR	4	441	2.223	-1.52	
11HR	4	442	2.071	-1.064	
11HR	4	443	2.122	-1.372	
11HR	4	444	2.084	-1.292	
11HR	4	445	2.022	-1.448	
11JPC	4	445	1.984	-1.597	
11HR	4	446	2.098	-1.421	
11HR	4	447	2.262	-1.424	
11HR	4	448	2.11	-1.611	
11HR	4	449	1.272	-0.831	
11HR	4	450	2.227	-1.21	
11HR	4	451	2.235	-1.328	
11HR	4	452	1.578	-1.583	
11HR	4	453	1.95	-1.086	
11HR	4	454	2.1	-1.341	
11HR	4	455	2.111	-1.35	
11JPC	4	455	2.34	-1.333	
11HR	4	456	2.093	-1.272	
11HR	4	457	2.073	-1.298