# Juan de Fuca Ridge Sediment Physical Property Data over the last 700,000 Years
#-----------------------------------------------------------------------
#               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/20408
# Online_Resource: http://www1.ncdc.noaa.gov/pub/data/paleo/paleocean/by_contributor/costa2016/costa2016-20pc-dbd.txt
#
# Archive: Paleoceanography
#
# Parameter_Keywords: age control, magnetic susceptibility, oxygen isotopes, physical properties
#---------------------------------------
# Contribution_Date
#    Date: 2016-08-15
#---------------------------------------
# Title
#    Study_Name: Juan de Fuca Ridge Sediment Physical Property Data over the last 700,000 Years
#---------------------------------------
# Investigators
#      Investigators: Costa, K.M.; McManus, J.F.; Boulahanis, B.; Carbotte, S.M.; Winckler, G.; Huybers,P.J.; Langmuir, C.H.
#---------------------------------------
# Description and Notes
#        Description: 
#---------------------------------------
# Publication
# Authors: Costa, K.M., J.F. McManus, B. Boulahanis, S.M. Carbotte, G. Winckler, P.J. Huybers, and C.H. Langmuir
# Published_Date_or_Year: 2016
# Published_Title: Sedimentation, stratigraphy and physical properties of sediment on the Juan de Fuca Ridge
# Journal_Name: Marine Geology
# Volume: in press
# Edition: 
# Issue: 
# Pages: 
# Report Number: 
# DOI: 10.1016/j.margeo.2016.08.003
# Online_Resource: 
# Full_Citation: 
# Abstract: Sedimentation near mid-ocean ridges may differ from pelagic sedimentation due to the influence of the ridges' rough topography on sediment deposition and transport. This study explores whether the near-ridge environment responds to glacial-interglacial changes in climate and oceanography. New benthic d18O, radiocarbon, multi-sensor track, and phys- ical property (sedimentation rates, density, magnetic susceptibility) data for seven cores on the Juan de Fuca Ridge pro- vide multiple records covering the past 700,000 years of oceanographic history of the Northeast Pacific Ocean. System- atic variations in sediment density and coarse fraction correspond to glacial-interglacial cycles identified in benthic d18O, and these observations may provide a framework for mapping the d18O chronostratigraphy via sediment density to other locations on the Juan de Fuca Ridge and beyond. Sedimentation rates generally range from 0.5 to 3 cm/kyr, with back- ground pelagic sedimentation rates close to 1 cm/kyr. Variability in sedimentation rates close to the ridge likely reflects remobilization of sediment caused by the high relief of the ridge bathymetry. Sedimentation patterns primarily reflect di- vergence of sedimentation rates with distance from the ridge axis and glacial-interglacial variation in sedimentation that may reflect carbonate preservation cycles as well as preferential remobilization of fine material.
#---------------------------------------
# Funding_Agency
#    Funding_Agency_Name: NSF
#    Grant: AGS-1338832
#---------------------------------------
# Site Information
# Site_Name: AT26-19 20PC
# Location: North Pacific
# Country: 
# Northernmost_Latitude: 44.70817
# Southernmost_Latitude: 44.70817
# Easternmost_Longitude: 130.70383
# Westernmost_Longitude: 130.70383
# Elevation: -2738
#---------------------------------------
# Data_Collection
#   Collection_Name: 20PC DBD Costa16
#   First_Year: 387620
#   Last_Year: 44220
#   Time_Unit: cal yr BP
#   Core_Length: 
#   Notes: 
#---------------------------------------
# Chronology_Information 
# Chronology: 
#---------------------------------------
# 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,,,cm,,,,,N
## age_calkaBP	age,,,calendar ka BP,,,,,N
## DBD_corrsal	Dry Bulk Density,,,g/cm3,,paleoceanography,corrected for salt assuming S=35,,N
## Msusc*10-6	Magnetic susceptibility,,,unitless,,paleoceanography,*10-6,in SI convention,N
#------------------------
# Data
# Data lines follow (have no #)
# Data line format - tab-delimited text, variable short name as header
# Missing Value: NaN
depth_cm	age_calkaBP	DBD_corrsal	Msusc*10-6	
1.2	44.22	0.62	10	
2.2	45.11	0.67	11	
3.2	46.00	0.68	12	
4.2	46.89	0.61	14	
5.2	47.78	0.67	14	
6.2	48.66	0.67	15	
7.2	49.55	0.65	15	
8.2	50.44	0.65	16	
9.2	51.33	0.66	16	
10.2	52.22	0.65	16	
11.2	53.10	0.62	17	
12.2	53.99	0.67	17	
13.2	54.88	0.65	17	
14.2	55.77	0.67	17	
15.2	56.66	0.66	17	
16.2	57.54	0.63	17	
17.2	58.43	0.63	17	
18.2	59.32	0.68	18	
19.2	60.21	0.66	17	
20.2	61.10	0.66	17	
21.2	61.98	0.69	17	
22.2	62.87	0.67	17	
23.2	63.76	0.63	16	
24.2	64.65	0.65	16	
25.2	65.54	0.64	15	
26.2	66.42	0.60	14	
27.2	67.31	0.58	14	
28.2	68.20	0.60	13	
29.2	69.09	0.61	13	
30.2	69.98	0.58	13	
31.2	70.86	0.60	12	
32.2	71.75	0.62	12	
33.2	72.64	0.61	13	
34.2	73.53	0.64	13	
35.2	74.41	0.63	12	
36.2	75.30	0.60	13	
37.2	76.19	0.54	13	
38.2	77.08	0.53	13	
39.2	77.97	0.53	14	
40.2	78.85	0.54	15	
41.2	79.74	0.58	15	
42.2	80.63	0.58	16	
43.2	81.52	0.57	16	
44.2	82.41	0.56	17	
45.2	83.29	0.54	17	
46.2	84.18	0.55	18	
47.2	85.07	0.55	19	
48.2	85.96	0.49	20	
49.2	86.85	0.52	20	
50.2	87.73	0.53	21	
51.2	88.62	0.52	21	
52.2	89.51	0.53	22	
53.2	90.40	0.52	22	
54.2	91.29	0.50	22	
55.2	92.17	0.49	22	
56.2	93.06	0.47	22	
57.2	93.95	0.46	23	
58.2	94.84	0.44	23	
59.2	95.73	0.44	24	
60.2	96.61	0.48	24	
61.2	97.50	0.48	24	
62.2	98.39	0.45	24	
63.2	100.30	0.41	23	
64.2	103.50	0.39	23	
65.2	106.69	0.41	23	
66.2	109.89	0.38	23	
67.2	113.09	0.39	23	
68.2	116.29	0.43	22	
69.2	119.49	0.42	22	
70.2	122.69	0.43	22	
71.2	125.89	0.52	21	
72.2	128.28	0.57	20	
73.2	129.10	0.57	19	
74.2	129.93	0.57	18	
75.2	130.75	0.59	17	
76.2	131.57	0.66	16	
77.2	132.39	0.71	16	
78.2	133.22	0.72	16	
79.2	134.04	0.73	15	
80.2	134.86	0.75	15	
81.2	135.69	0.71	15	
82.2	136.51	0.70	15	
83.2	137.33	0.72	14	
84.2	138.16	0.71	15	
85.2	138.98	0.71	14	
86.2	139.80	0.72	15	
87.2	140.63	0.69	14	
88.2	141.45	0.72	14	
89.2	142.27	0.70	14	
90.2	143.10	0.70	14	
91.2	143.92	0.70	14	
92.2	144.74	0.70	14	
93.2	145.57	0.71	14	
94.2	146.39	0.68	14	
95.2	147.21	0.65	14	
96.2	148.03	0.65	14	
97.2	148.86	0.72	14	
98.2	149.68	0.70	15	
99.2	150.50	0.73	16	
100.2	151.33	0.72	17	
101.2	152.15	0.72	19	
102.2	152.97	0.71	22	
103.2	153.80	0.70	25	
113.58	162.34	0.52	16	
114.58	163.16	0.58	16	
115.58	163.99	0.60	16	
116.58	164.81	0.60	17	
117.58	165.63	0.61	17	
118.58	166.46	0.64	17	
119.58	167.28	0.62	17	
120.58	168.10	0.63	17	
121.58	168.93	0.61	18	
122.58	169.75	0.63	19	
123.58	170.57	0.61	21	
124.58	171.40	0.58	22	
125.58	172.22	0.55	23	
126.58	173.04	0.52	25	
127.58	173.87	0.58	25	
128.58	174.69	0.58	26	
129.58	175.51	0.56	26	
130.58	176.34	0.53	26	
131.58	177.16	0.55	27	
132.58	177.98	0.53	27	
133.58	178.80	0.53	28	
134.58	179.63	0.48	27	
135.58	180.45	0.51	28	
136.58	181.27	0.50	28	
137.58	182.10	0.52	29	
138.58	182.92	0.55	29	
139.58	183.74	0.56	29	
140.58	184.57	0.53	29	
141.58	185.39	0.52	30	
142.58	186.21	0.51	31	
143.58	187.04	0.52	32	
144.58	187.86	0.51	33	
145.58	188.68	0.49	34	
146.58	189.51	0.51	34	
147.58	190.33	0.51	35	
148.58	191.15	0.47	35	
149.58	191.98	0.45	36	
150.58	192.80	0.44	36	
151.58	193.62	0.43	37	
152.58	194.44	0.46	36	
153.58	195.27	0.46	36	
154.58	196.09	0.46	36	
155.58	196.91	0.47	36	
156.58	197.74	0.44	36	
157.58	198.56	0.44	36	
158.58	199.38	0.47	35	
159.58	200.21	0.49	35	
160.58	201.03	0.47	35	
161.58	201.85	0.45	34	
162.58	202.68	0.42	34	
163.58	203.56	0.42	33	
164.58	204.50	0.41	33	
165.58	205.44	0.43	32	
166.58	206.38	0.45	32	
167.58	207.31	0.42	32	
168.58	208.25	0.44	32	
169.58	209.19	0.42	32	
170.58	210.13	0.45	31	
171.58	211.07	0.43	31	
172.58	212.01	0.44	31	
173.58	212.95	0.45	31	
174.58	213.89	0.44	31	
175.58	214.83	0.46	31	
176.58	215.77	0.46	31	
177.58	216.71	0.46	31	
178.58	217.65	0.45	30	
179.58	218.74	0.49	30	
180.58	219.97	0.48	31	
181.58	221.20	0.48	30	
182.58	222.43	0.51	31	
183.58	223.66	0.48	31	
184.58	224.89	0.47	31	
185.58	226.12	0.48	31	
186.58	227.35	0.46	31	
187.58	228.58	0.47	30	
188.58	229.81	0.47	30	
189.58	231.04	0.47	30	
190.58	232.27	0.49	29	
191.58	233.50	0.46	29	
192.58	234.73	0.49	32	
193.58	235.96	0.51	27	
194.58	237.19	0.44	27	
195.58	238.42	0.46	26	
196.58	239.65	0.48	26	
197.58	240.88	0.48	25	
198.58	242.11	0.50	25	
199.58	243.34	0.51	24	
200.58	244.57	0.46	23	
201.58	245.80	0.51	22	
202.58	246.68	0.62	22	
203.58	247.12	0.65	21	
204.58	247.57	0.66	21	
205.58	248.01	0.67	20	
206.58	248.46	0.68	20	
207.58	248.91	0.65	20	
208.58	249.35	0.67	20	
209.58	249.80	0.68	19	
210.58	250.24	0.69	19	
211.58	250.69	0.71	19	
212.58	251.13	0.68	20	
213.58	251.58	0.70	20	
214.58	252.03	0.69	20	
215.58	252.47	0.72	19	
216.58	252.92	0.70	20	
217.58	253.36	0.70	20	
218.58	253.81	0.71	20	
219.58	254.26	0.70	19	
220.58	254.70	0.70	18	
221.58	255.15	0.73	19	
222.58	255.59	0.73	19	
223.58	256.04	0.70	19	
224.58	256.48	0.74	19	
225.58	256.93	0.75	18	
226.58	257.38	0.75	19	
227.58	257.82	0.76	19	
228.58	258.27	0.74	19	
229.58	258.71	0.74	19	
230.58	259.16	0.75	19	
231.58	259.60	0.75	19	
232.58	260.05	0.73	18	
233.58	260.50	0.72	19	
234.58	260.94	0.73	19	
235.58	261.39	0.73	19	
236.58	261.83	0.71	19	
237.58	262.28	0.70	19	
238.58	262.72	0.71	19	
239.58	263.17	0.71	20	
240.58	263.62	0.74	21	
241.58	264.06	0.73	20	
242.58	264.51	0.74	21	
243.58	264.95	0.75	21	
244.58	265.40	0.73	22	
245.58	265.85	0.74	23	
246.58	266.29	0.74	24	
247.58	266.74	0.73	25	
248.58	267.18	0.75	25	
249.58	267.63	0.77	25	
250.58	268.07	0.74	25	
251.58	268.52	0.75	25	
252.58	268.97	0.72	23	
253.58	269.41	0.70	20	
254.58	269.86	0.64	16	
256.94	270.91	0.74	47	
257.94	271.35	0.77	56	
258.94	271.80	0.73	64	
259.94	272.21	0.70	74	
260.94	272.21	0.70	82	
261.94	272.21	0.71	91	
262.94	272.21	0.72	99	
263.94	272.21	0.70	106	
264.94	272.21	0.67	113	
265.94	272.21	0.66	119	
266.94	272.21	0.72	123	
267.94	272.21	0.70	127	
268.94	272.21	0.71	128	
269.94	272.21	0.69	130	
270.94	272.21	0.70	130	
271.94	272.21	0.70	131	
272.94	272.21	0.69	131	
273.94	272.21	0.67	131	
274.94	272.21	0.69	131	
275.94	272.21	0.69	130	
276.94	272.21	0.70	129	
277.94	272.21	0.68	127	
278.94	272.21	0.70	125	
279.94	272.21	0.69	123	
280.94	272.21	0.70	120	
281.94	272.21	0.69	116	
282.94	272.21	0.68	111	
283.94	272.21	0.69	105	
284.94	272.21	0.68	97	
285.94	272.21	0.65	88	
286.94	272.21	0.66	78	
287.94	272.66	0.65	68	
288.94	273.66	0.51	58	
289.94	274.66	0.45	51	
290.94	275.66	0.46	45	
291.94	276.66	0.43	40	
292.94	277.66	0.45	37	
293.94	278.66	0.43	36	
294.94	279.66	0.45	34	
295.94	280.66	0.47	33	
296.94	281.66	0.46	32	
297.94	282.66	0.48	31	
298.94	283.66	0.47	30	
299.94	284.66	0.49	30	
300.94	285.66	0.50	29	
301.94	286.66	0.48	30	
302.94	287.65	0.48	29	
303.94	288.65	0.47	29	
304.94	289.65	0.50	28	
305.94	290.65	0.47	28	
306.94	291.65	0.44	28	
307.94	292.65	0.44	28	
308.94	293.65	0.45	28	
309.94	294.65	0.45	28	
310.94	295.65	0.45	28	
311.94	296.65	0.45	28	
312.94	297.65	0.46	28	
313.94	298.65	0.46	29	
314.94	299.65	0.49	28	
315.94	300.65	0.43	29	
316.94	301.65	0.49	29	
317.94	302.65	0.49	30	
318.94	303.65	0.49	30	
319.94	304.65	0.45	30	
320.94	305.65	0.46	31	
321.94	306.65	0.44	31	
322.94	307.65	0.45	31	
323.94	308.65	0.44	32	
324.94	309.65	0.47	32	
325.94	310.65	0.43	32	
326.94	311.65	0.44	33	
327.94	312.65	0.44	33	
328.94	313.65	0.45	33	
329.94	314.65	0.45	33	
330.94	315.64	0.44	33	
331.94	316.64	0.43	32	
332.94	317.64	0.43	33	
333.94	318.64	0.45	32	
334.94	319.64	0.43	32	
335.94	320.64	0.43	31	
336.94	321.64	0.44	31	
337.94	322.64	0.46	31	
338.94	323.64	0.47	31	
339.94	324.64	0.45	30	
340.94	325.64	0.43	30	
341.94	326.64	0.41	30	
342.94	327.64	0.42	30	
343.94	328.64	0.42	30	
344.94	329.64	0.42	30	
345.94	330.64	0.43	30	
346.94	331.64	0.43	29	
347.94	332.64	0.44	29	
348.94	333.64	0.49	29	
349.94	334.64	0.53	29	
350.94	335.64	0.54	29	
351.94	336.64	0.55	29	
352.94	337.64	0.59	29	
353.94	338.64	0.55	29	
354.94	339.64	0.58	28	
355.94	340.64	0.56	28	
356.94	341.64	0.56	28	
357.94	342.64	0.57	28	
358.94	343.64	0.58	29	
359.94	344.63	0.57	28	
360.94	345.63	0.58	28	
361.94	346.63	0.61	29	
362.94	347.63	0.60	29	
363.94	348.63	0.59	29	
364.94	349.63	0.60	29	
365.94	350.63	0.56	29	
366.94	351.63	0.59	29	
367.94	352.63	0.60	29	
368.94	353.63	0.61	29	
369.94	354.63	0.58	29	
370.94	355.63	0.58	29	
371.94	356.63	0.61	29	
372.94	357.63	0.61	29	
373.94	358.63	0.61	29	
374.94	359.63	0.64	30	
375.94	360.63	0.65	29	
376.94	361.63	0.64	29	
377.94	362.63	0.58	29	
378.94	363.63	0.59	29	
379.94	364.63	0.58	28	
380.94	365.63	0.56	28	
381.94	366.63	0.59	28	
382.94	367.63	0.60	28	
383.94	368.63	0.58	28	
384.94	369.63	0.54	27	
385.94	370.63	0.52	26	
386.94	371.63	0.51	25	
387.94	372.62	0.47	25	
388.94	373.62	0.44	24	
389.94	374.62	0.45	23	
390.94	375.62	0.47	23	
391.94	376.62	0.46	22	
392.94	377.62	0.49	21	
393.94	378.62	0.48	21	
394.94	379.62	0.50	21	
395.94	380.62	0.53	20	
396.94	381.62	0.54	20	
397.94	382.62	0.55	20	
398.94	383.62	0.55	20	
399.94	384.62	0.53	19	
400.94	385.62	0.59	18	
401.94	386.62	0.58	17	
402.94	387.62	0.51	14