# Beartooth Plateau, Wyoming 9,550 Year Ice Core Stable Water Isotope Data
#----------------------------------------------------------------------- 
#                World Data Service for Paleoclimatology, Boulder 
#                                  and 
#                     NOAA Paleoclimatology Program 
#             National Centers for Environmental Information (NCEI)
#----------------------------------------------------------------------- 
# Template Version 3.0
# Encoding: UTF-8
# NOTE: Please cite Publication, and Online_Resource and date accessed when using these data. 
# If there is no publication information, please cite Investigators, Title, and Online_Resource and date accessed. 
#
# Online_Resource: https://www.ncdc.noaa.gov/paleo/study/31817 
#       Description: NOAA Landing Page
# Online_Resource: https://www.ncei.noaa.gov/pub/data/paleo/icecore/trop/beartooth/beartooth2021iso.txt
#       Description: NOAA location of the template
#
# Original_Source_URL:  
#       Description:
# 
# Description/Documentation lines begin with #
# Data lines have no #
#
# Data_Type: Ice Cores
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# Dataset_DOI:
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# Parameter_Keywords: oxygen isotopes, hydrogen isotopes
#---------------------------------------
# Contribution_Date
#    Date: 2020-11-17
#---------------------------------------
# File_Last_Modified_Date
#    Date: 2020-11-17
#---------------------------------------
# Title
#    Study_Name: Beartooth Plateau, Wyoming 9,550 Year Ice Core Stable Water Isotope Data
#---------------------------------------
# Investigators
#      Investigators: Chellman, N.; Pederson, G.T.; Lee, C.M.; McWethy, D.B.; Puseman, K.; Stone, J.R.; Brown, S.R.; McConnell, J.R.
#---------------------------------------
# Description_Notes_and_Keywords
#        Description: Water isotopes (d18O and d2H) from an ice core collected from the Beartooth Plateau ice patch, Wyoming, for the past 9,550 years.
#         Provided Keywords: Holocene, ice patch, isotopes
#---------------------------------------
# Publication
# Authors: Nathan J. Chellman, Gregory T. Pederson, Craig M. Lee, David B. McWethy, Kathryn Puseman, Jeffery R. Stone, Sabrina R. Brown, Joseph R. McConnell
# Published_Date_or_Year: 2021-04-01
# Published_Title: High elevation ice patch documents Holocene climate variaiblity in the northern Rocky Mountains
# Journal_Name: Quaternary Science Advances
# Volume: 3
# Edition: 100021
# Issue: 
# Pages: 
# Report_Number: 
# DOI: 10.1016/j.qsa.2020.100021
# Online_Resource: https://www.sciencedirect.com/science/article/pii/S2666033420300216
# Full_Citation: 
# Abstract: Paleoclimate records from ice cores generally are considered to be the most direct indicators of environmental change, but are rare from mid-latitude, continental regions such as the western United States. High-elevation ice patches are known to be important archaeological archives in alpine regions and potentially could provide records important for Earth System Model evaluation and to understand linkages between climate and early human activities, but this potential largely is unexplored. Here we use a well-dated ice-core record from a shallow ice patch to investigate Rocky Mountain winter-season climate during the Holocene. Our records indicate that this ice patch consistently accumulated ice over the past 10 kyr, preserving a regionally representative climate record of stable water isotopes and ice accretion rates that documented generally cooler and wetter conditions during the early Holocene and 500 years of anomalous winter season warmth centered at 4100 cal yr BP followed by a rapid cooling and 1500 years of cooler and wetter winters.
#---------------------------------------
# Funding_Agency
#    Funding_Agency_Name: US National Science Foundation
#    Grant: BCS 1832486
#---------------------------------------
# Site_Information
# Site_Name: Beartooth Plateau Ice Patch
# Location: North America>United States Of America>Wyoming
# Country: United States Of America 
# Northernmost_Latitude: 44.97
# Southernmost_Latitude: 44.97
# Easternmost_Longitude: -109.45
# Westernmost_Longitude: -109.45
# Elevation: 3150
#---------------------------------------
# Data_Collection
#   Collection_Name: BeartoothCore1iso
#   First_Year: 9556
#   Last_Year: -34
#   Time_Unit: cal. yr BP
#   Core_Length: 5.54
#   Notes: 
#---------------------------------------
# Chronology_Information 
# Chronology: 
# 
# Labcode 
# depth	
# mat.dated 	
# 14C.raw	
# 14C.raw_err 	
# datemeth  	
# reservoir 	
# calib_method 	
# rejected 	
# 
# Labcode	depth	mat.dated	14C.raw	14C.raw_err	datemeth	reservoir	calib_method            	rejected 	
# Lee-2017-CR1-L1	166	Sagebrush stem	1025	±15	14C AMS	IntCal13	Bacon v2.2	no	
# Lee-2017-CR1-L2	216	Unidentified plant material/Digesta	1790	±15	14C AMS	IntCal13	Bacon v2.2	no	
# Lee-2017-CR1-L3	255	Grass stem and Grass seeds	2060	±15	14C AMS	IntCal13	Bacon v2.2	no	
# Lee-2017-CR1-L4	272	Unidentified plant material/Digesta	2465	±15	14C AMS	IntCal13	Bacon v2.2	no	
# Lee-2017-CR1-L5	298	Unidentified plant material/Digesta	2715	±20	14C AMS	IntCal13	Bacon v2.2	no	
# Lee-2017-CR1-L6	314	Legume pod	2850	±20	14C AMS	IntCal13	Bacon v2.2	no	
# Lee-2017-CR1-L7	321	Unidentified plant material/Digesta	3540	±20	14C AMS	IntCal13	Bacon v2.2	no	
# Lee-2017-CR1-L8	325	Grass stem and Grass seeds	3005	±20	14C AMS	IntCal13	Bacon v2.2	no	
# Lee-2017-CR1-L9	371	Unidentified plant material/Digesta	3220	±20	14C AMS	IntCal13	Bacon v2.2	no	
# Lee-2017-CR1-L10	381	Grass stem, Grass seed, and Cinquefoil seeds	3680	±20	14C AMS	IntCal13	Bacon v2.2	no	
# Lee-2017-CR1-L11	392	Unidentified plant material/Digesta	4030	±20	14C AMS	IntCal13	Bacon v2.2	no	
# Lee-2017-CR1-L12	396	Grass stem and Grass seed	4175	±20	14C AMS	IntCal13	Bacon v2.2	no	
# Lee-2017-CR1-L13	410	Spruce needle	4500	±20	14C AMS	IntCal13	Bacon v2.2	no	
# Lee-2017-CR1-L14	415	Unidentified plant material/Digesta	5340	±20	14C AMS	IntCal13	Bacon v2.2	no	
# Lee-2017-CR1-L15	422	Wildrye seed, Cinquefoil seed, and Digesta	4825	±20	14C AMS	IntCal13	Bacon v2.2	no	
# Lee-2017-CR1-L16	431	Grass seed, Digesta, and Insect chitin	5220	±20	14C AMS	IntCal13	Bacon v2.2	no	
# Lee-2017-CR1-L17	435	Grass stem and Bluegrass seeds	5185	±20	14C AMS	IntCal13	Bacon v2.2	no	
# Lee-2017-CR1-L18	443	Grass stem and Wildrye seeds	5460	±20	14C AMS	IntCal13	Bacon v2.2	no	
# Lee-2017-CR1-L19	451	Unidentified plant material/Digesta	5980	±25	14C AMS	IntCal13	Bacon v2.2	no	
# Lee-2017-CR1-L20	473	Grass stem	6095	±25	14C AMS	IntCal13	Bacon v2.2	no	
# Lee-2017-CR1-L21	487	Cinquefoil seeds	7165	±30	14C AMS	IntCal13	Bacon v2.2	no	
# Lee-2017-CR1-L22	512.5	Grass stem, Wildrye seed, and Digesta	8085	±30	14C AMS	IntCal13	Bacon v2.2	no	
# Lee-2017-CR1-L23	529.5	Grass stem, Grass seed, and Digesta	8065	±30	14C AMS	IntCal13	Bacon v2.2	no	
# Lee-2017-CR1-L24	537.5	Grass stem	8045	±30	14C AMS	IntCal13	Bacon v2.2	no	
# Lee-2017-CR1-L25	539.5	Grass stem	8080	±30	14C AMS	IntCal13	Bacon v2.2	no	
# Lee-2017-CR1-L26	542.5	Unidentified plant material/Digesta	8255	±30	14C AMS	IntCal13	Bacon v2.2	no	
# Lee-2017-CR1-L27	555.5	Grass seeds and Bluegrass seeds	8725	±30	14C AMS	IntCal13	Bacon v2.2	no	
# Lee-2017-CR1-L28	557.5	Pine needle	8765	±35	14C AMS	IntCal13	Bacon v2.2	no	
# Lee-2017-CR1-L29	560.5	Grass seeds	9215	±35	14C AMS	IntCal13	Bacon v2.2	no	
# 
#---------------------------------------
# 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)
#
## depth_cm	depth,,,centimeter,,ice cores,,,N,
## age_calyrBP	age,,,calendar year before present,,ice cores,,,N,
## d18O	delta 18O,bulk ice,,per mil VSMOW,,ice cores,raw,cavity ring-down spectroscopy,N,
## dD	delta 2H,bulk ice,,per mil VSMOW,,ice cores,raw,cavity ring-down spectroscopy,N,
#
#------------------------
# Data:
# Data lines follow (have no #)
# Data line format - tab-delimited text, variable short name as header
# Missing_Values: 
#
depth_cm	age_calyrBP	d18O	dD
0.0275	-33.7518	-17.7638	-131.895
0.08	-2.7325	-16.0577	-119.82
0.13	26.8096	-15.8851	-119.208
0.18	56.3518	-16.5081	-122.841
0.23	85.894	-16.6194	-122.576
0.28	115.4361	-17.1624	-126.56
0.33	144.9783	-18.3071	-134.08
0.38	174.5205	-19.0472	-140.13
0.43	204.0627	-19.2225	-141.868
0.48	233.6048	-16.4266	-121.863
0.53	263.147	-15.0797	-112.131
0.575	289.7349	-18.5709	-137.178
0.62	316.3229	-18.2494	-135.032
0.67	345.8651	-18.0885	-133.8
0.72	375.4072	-17.6883	-131.814
0.77	404.9494	-17.3767	-129.921
0.82	434.4916	-16.9422	-126.594
0.865	461.0795	-16.4789	-124.146
0.91	487.6675	-17.1408	-129.244
0.96	517.2096	-18.91	-141.356
1.01	546.7518	-19.5358	-146.215
1.0625	577.7711	-19.2277	-143.763
1.115	608.7904	-18.5941	-139.067
1.165	638.3325	-18.629	-138.352
1.215	667.8747	-18.0637	-134.683
1.26	694.4627	-17.5211	-131.545
1.3	718.0964	-17.7347	-133.389
1.4	777.1807	-18.3314	-138.044
1.46	812.6313	-18.4726	-137.173
1.5	836.2651	-18.2929	-134.511
1.555	868.7614	-17.4299	-127.074
1.625	910.1205	-16.9461	-119.915
1.755	1070.7	-19.1279	-141.415
1.805	1146.1	-20.0956	-145.306
1.855	1218.75	-18.5363	-138.314
1.905	1307.5	-17.7068	-133.468
1.95	1367.4	-18.1702	-134.496
1.995	1422.95	-18.4405	-133.398
2.045	1508.25	-18.7526	-134.737
2.095	1596.15	-18.1305	-129.963
2.215	1741.05	-19.3497	-143.776
2.27	1789.5	-18.4312	-137.096
2.305	1823.35	-19.2031	-140.088
2.345	1862.6	-19.6826	-145.34
2.395	1911.05	-20.5147	-149.589
2.445	1962.2	-20.9096	-151.607
2.495	2013.15	-20.4712	-150.264
2.595	2151.55	-20.7153	-156.224
2.645	2255.05	-20.6971	-155.216
2.68	2342.4	-21.3943	-159.022
2.79	2579.7	-20.4934	-152.692
2.835	2637.8	-22.5303	-168.198
2.885	2702.65	-21.3566	-159.553
2.94	2770.1	-20.5767	-150.625
3.035	2875	-21.6955	-162.954
3.1	2946.8	-23.6115	-175.186
3.175	3041.5	-20.2311	-145.544
3.28	3192.2	-20.3265	-152.355
3.33	3244.7	-20.4972	-154.475
3.4	3315.9	-20.0652	-150.449
3.455	3362.05	-19.9726	-149.875
3.505	3409.25	-20.1907	-152.14
3.55	3454	-19.3001	-145.057
3.595	3496.6	-20.6462	-148.498
3.635	3531.3	-20.4509	-150.552
3.67	3562	-20.5845	-149.588
3.745	3654.1	-17.83	-131.043
3.79	3823.3	-17.2007	-126.598
3.84	4061.1	-17.341	-124.737
3.885	4245.65	-17.0072	-124.013
3.98	4688.7	-18.6057	-140.115
4.005	4809.95	-18.5737	-138.859
4.055	4975.15	-18.2232	-134.187
4.125	5209.55	-19.066	-139.844
4.285	5789.45	-18.4714	-135.188
4.32	5949.5	-19.4887	-143.671
4.39	6105.8	-19.9056	-146.123
4.545	6874.6	-20.7524	-154.279
4.59	6950.4	-21.4514	-159.976
4.64	7014.3	-20.8236	-154.911
4.675	7059.45	-21.3339	-160.636
4.72	7125.1	-19.6703	-145.112
4.7775	7300.5	-19.2579	-143.083
4.83	7692.4	-19.5913	-145.831
4.93	8229.3	-19.2731	-144.429
4.995	8400	-19.7937	-148.284
5.045	8532.5	-20.055	-148.663
5.09	8653.2	-19.5228	-144.896
5.23	8917.1	-18.7484	-137.794
5.285	8977	-19.1266	-140.081
5.44	9167.9	-19.1375	-142.579
5.485	9329.2	-19.1775	-142.737
5.54	9555.8	-19.2565	-141.746