Citation:

172756404781814276

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Abstract:

The relationship between d18O and air temperature at Neumayer station, Ekströmisen, Antarctica, was investigated using fresh-snow samples from the time period 1981-2000. A trajectory model that calculated 5 day-backward trajectories was used to study the influence of different synoptic weather situations and thus of different moisture sources on this correlation. Generally a high correlation between air temperature and d18O was found, but the quality of the d18O-T relationship varied with the different trajectory classes. Additionally, the sea-ice coverage on the travel path of the moist air was considered. The amount of open ocean water underneath the trajectory has a large influence on the d18O-T relationship. For trajectories that lead completely above open water, no significant correlation between d18O and T was found, because mixing with air masses containing additionally evaporated water vapour from the ocean influences the isotope ratio of precipitation. A very high correlation, however, was found for transports over the completely ice-covered Weddell Sea.

Related to:

Schlosser, Elisabeth; Oerter, Hans; Masson-Delmotte, Valerie; Reijmer, Carleen H (2008): Atmospheric influence on the deuterium excess signal in polar firn: implications for ice core interpretation. Journal of Glaciology, 54(184), 117-124, https://doi.org/10.3189/002214308784408991

Project(s):

Glaciology @ AWI (AWI_Glac)

Coverage:

Latitude: -70.650000 * Longitude: -8.250000

Date/Time Start: 1981-04-05T00:00:00 * Date/Time End: 2000-09-28T00:00:00

Minimum Elevation: -999.0 m * Maximum Elevation: 40.0 m

Event(s):

Neumayer (WMO89002) * Latitude: -70.650000 * Longitude: -8.250000 * Date/Time: 1993-01-01T00:00:00 * Elevation Start: 40.0 m * Elevation End: -999.0 m * Location: Dronning Maud Land, Antarctica * Campaign: * Basis: NEUMAYER III * Method/Device: Research station (RS)

Comment:

Isotope measurements 1981-1999 by GSF, 2000 by AWI.

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	DATE/TIME	Date/Time				Geocode
2	δ Deuterium	δD	‰ SMOW	Oerter, Hans		accuracy = 1 per mil
3	δ18O, water	δ18O H2O	‰ SMOW	Oerter, Hans		accuracy = 0.1 per mil
4	Deuterium excess	d xs	‰	Oerter, Hans	Calculated	d=d2H - 8*d18O
5	Temperature, air	TTT	°C	Oerter, Hans		2 m above snow surface

License:

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

Size:

1342 data points

Data

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

1 Date/Time	2 δD [‰ SMOW]	3 δ18O H2O [‰ SMOW]	4 d xs [‰]	5 TTT [°C]
1981-04-05	-68.4	-9.40	6.9	-4.8
1981-04-05	-72.6	-9.50	3.6	-4.8
1981-04-06	-119.5	-15.60	5.1	-9.9
1981-04-06	-119.5	-15.60	5.6	-9.9
1981-06-22	-259.4	-33.20	6.2	-30.3
1981-06-22	-261.8	-33.50	6.5	-30.3
1981-07-20	-245.4	-32.80	17.1	-19.8
1981-08-07	-241.0	-31.30	9.2	-21.7
1981-09-22	-173.6	-23.10	11.5	-26.6
1981-10-19	-180.8	-24.70	16.7	-12.7
1981-10-30	-160.0	-20.80	6.7	-17.9
1981-11-22	-143.9	-18.30	2.6	-6.7
1981-12-21	-144.9	-19.00	7.1	-4.0
1982-01-07	-119.3	-15.10	1.4	-0.6
1982-01-29	-81.9	-10.80	4.4	-2.1
1982-03-23	-130.5	-17.40	8.8	-14.6
1982-03-25	-127.3	-16.90	7.7	-11.2
1982-03-30	-189.2	-25.20	12.2	-16.6
1982-04-09	-136.7	-17.80	5.5	-12.0
1982-05-07	-142.7	-18.70	7.0	-14.0
1982-05-16	-136.1	-18.40	10.9	-17.1
1982-05-30	-129.5	-17.50	10.3	-15.0
1982-06-18	-269.2	-34.10	3.2	-33.2
1982-06-20	-236.0	-30.30	6.6	-20.6
1982-06-29	-182.8	-23.70	6.6	-23.1
1982-09-15	-204.2	-26.90	10.7	-14.9
1982-10-15	-107.4	-15.50	16.3	-20.7
1982-10-16	-197.5	-26.00	10.8	-13.3
1982-10-17	-181.1	-23.70	8.3	-6.8
1982-10-18	-175.7	-23.10	8.9	-20.7
1982-10-18	-173.4	-23.00	10.2	-20.7
1982-10-21	-280.2	-35.40	2.9	-21.6
1982-10-25	-193.4	-25.20	7.8	-21.2
1982-10-26	-154.9	-20.10	6.2	-9.7
1982-10-27	-136.2	-17.80	6.5	-7.9
1982-11-02	-140.2	-19.90	19.3	-13.3
1982-11-03	-148.2	-20.20	13.6	-12.8
1982-11-08	-160.7	-20.40	2.7	-4.2
1982-11-09	-167.9	-20.80	-1.7	-6.2
1982-11-10	-153.0	-19.50	2.8	-7.7
1982-11-10	-198.6	-25.30	3.4	-7.7
1982-12-16	-149.8	-19.60	7.1	-4.8
1982-12-29	-48.3	-6.70	4.9	-2.2
1983-01-02	-99.4	-13.20	5.8	-2.7
1983-01-08	-81.6	-11.00	6.4	-2.5
1983-02-11	-61.5	-10.40	21.7	-6.2
1983-02-17	-59.8	-7.80	2.6	-2.9
1983-02-23	-83.6	-12.60	17.2	-10.5
1984-01-26	-64.7	-9.00	7.3	-2.8
1984-02-01	-71.8	-10.20	9.8	-4.5
1984-02-13	-177.4	-22.80	5.0	-8.3
1984-02-16	-98.0	-13.30	8.4	-7.5
1984-02-21	-93.4	-13.90	17.8	-12.6
1984-03-04	-82.1	-12.30	16.3	-11.5
1984-03-29	-137.5	-18.20	8.1	-9.5
1984-06-15	-226.8	-31.00	21.2	-28.7
1984-07-05	-157.4	-20.70	8.2	-19.3
1984-07-11	-109.4	-16.10	19.4	-21.5
1984-07-12	-143.7	-20.10	17.1	-20.2
1984-07-31	-162.1	-22.50	18.1	-28.1
1984-09-17	-214.3	-28.50	13.3	-22.6
1984-09-24	-186.3	-24.60	10.5	-22.8
1984-10-15	-182.8	-24.60	14.0	-15.3
1984-11-04	-223.6	-29.90	15.6	-18.5
1984-12-23	-91.2	-11.90	4.0	-3.4
1985-01-24	-86.3	-11.10	2.5	-1.6
1985-02-01	-103.9	-13.90	7.3	-2.1
1985-02-17	-129.5	-17.20	8.1	-7.8
1985-03-08	-107.7	-14.50	8.3	-7.3
1985-03-13	-72.8	-9.80	5.6	-2.9
1985-03-24	-91.0	-13.60	17.8	-10.3
1985-04-16	-159.8	-21.20	9.8	-12.3
1985-06-30	-236.6	-32.20	21.0	-15.8
1985-07-01	-256.8	-33.80	13.6	-23.3
1985-07-11	-153.7	-20.90	13.5	-22.8
1985-08-08	-120.9	-16.50	11.1	-16.1
1985-09-08	-195.2	-26.00	12.8	-20.2
1985-09-17	-255.9	-33.40	11.3	-25.9
1985-09-26	-146.1	-19.60	10.7	-17.7
1985-10-09	-161.7	-22.50	17.9	-19.0
1985-10-17	-209.2	-28.20	16.4	-14.2
1985-10-26	-125.1	-18.40	22.1	-18.3
1985-11-02	-167.1	-22.20	10.5	-13.4
1985-11-10	-138.2	-20.00	21.8	-13.9
1985-11-16	-153.3	-20.90	13.9	-15.0
1985-11-28	-109.4	-15.80	17.0	-9.0
1985-12-10	-110.3	-15.90	16.5	-5.8
1985-12-12	-150.8	-19.80	7.6	-2.4
1985-12-24	-60.1	-7.50	-0.1	-1.9
1986-01-19	-167.1	-22.50	12.9	-3.9
1986-02-08	-49.9	-7.10	5.6	-4.4
1986-02-09	-102.5	-13.90	8.7	-6.1
1986-04-04	-144.6	-20.00	15.4	-11.7
1986-04-18	-78.7	-12.70	22.9	-20.5
1986-04-25	-101.1	-14.20	12.5	-8.0
1986-05-07	-201.2	-26.40	10.0	-20.8
1987-04-21	-183.4	-24.30	11.0	-17.7
1987-05-06	-126.0	-17.50	14.0	-19.5
1987-07-10	-171.1	-22.60	9.7	-26.4
1987-07-10	-172.5	-22.70	9.1	-26.4
1987-10-02	-233.9	-30.60	10.9	-16.1
1988-05-24	-150.7	-20.60	14.1	-16.7
1988-07-02	-248.4	-32.70	13.2	-20.6
1988-07-16	-243.1	-32.80	19.3	-24.5
1988-11-03	-115.9	-16.10	12.9	-8.9
1988-11-27	-108.3	-14.70	9.3	-3.9
1988-12-05	-142.6	-18.30	3.4	-3.5
1989-01-02	-148.1	-19.50	7.9	-3.4
1989-02-21	-147.2	-19.40	8.0	-8.1
1989-03-15	-96.2	-12.30	2.2	-7.8
1989-03-26	-118.8	-16.30	11.6	-13.5
1989-04-03	-120.0	-16.50	12.0	-14.1
1989-04-19	-159.8	-20.10	0.0	-12.2
1989-05-11	-94.5	-13.60	14.3	-8.8
1989-05-24	-171.1	-22.40	8.1	-19.2
1989-06-04	-163.4	-21.50	8.6	-12.4
1989-07-19	-247.7	-32.20	9.9	-22.2
1989-09-15	-123.6	-18.00	20.4	-17.2
1989-09-16	-173.2	-23.20	12.4	-14.9
1989-09-26	-202.1	-26.70	11.5	-26.9
1989-09-29	-208.0	-27.00	8.2	-21.6
1989-10-29	-98.0	-14.90	21.5	-16.3
1989-11-13	-160.7	-21.10	8.1	-7.8
1989-11-27	-126.7	-16.40	4.5	-1.8
1989-12-24	-127.5	-15.70	-1.9	-3.5
1990-01-30	-84.5	-12.00	11.5	-3.8
1990-03-21	-74.8	-10.30	7.6	-9.3
1990-04-22	-179.2	-23.80	11.2	-20.8
1990-07-29	-196.2	-26.50	15.9	-30.1
1990-10-01	-192.3	-25.30	10.1	-19.3
1990-12-07	-188.0	-22.90	-4.8	-4.0
1991-05-17	-190.7	-24.98	9.1	-19.7
1991-06-05	-240.9	-30.80	5.5	-11.4
1991-06-29	-186.2	-24.26	7.9	-12.4
1991-08-26	-196.2	-25.32	6.4	-24.9
1991-09-12	-204.0	-25.98	3.8	-13.2
1991-09-12	-207.9	-26.73	5.9	-13.2
1991-10-19	-173.4	-23.48	14.4	-15.8
1991-10-22	-249.8	-31.18	-0.4	-16.3
1991-11-17	-118.4	-15.51	5.7	-4.2
1991-12-04	-219.5	-26.94	-4.0	-4.5
1992-03-12	-106.1	-14.49	9.8	-6.2
1992-03-14	-148.4	-20.50	15.6	-12.7
1992-06-22	-179.5	-22.54	0.8	-8.7
1992-09-29	-255.7	-31.98	0.1	-22.5
1992-10-16	-142.8	-17.44	-3.3	-4.6
1992-10-18	-163.9	-20.78	2.3	-5.4
1992-11-24	-135.6	-17.19	1.9	-4.2
1992-12-06	-173.7	-21.93	1.7	-4.5
1993-05-20	-181.0	-23.06	3.5	-21.8
1993-10-16		-28.12		-12.6
1993-11-19		-16.83		-14.2
1993-11-20		-18.90		-10.3
1993-12-28		-12.66		-4.8
1994-01-01		-10.97		-2.8
1994-01-08		-13.24		-1.8
1994-01-19		-18.69		-5.8
1994-01-19		-17.09		-5.8
1994-04-03		-15.04		-14.8
1994-05-26		-15.69		-14.2
1994-07-06		-29.01		-19.6
1994-08-13		-21.30		-21.1
1995-01-26	-116.2	-15.37	6.8	-4.3
1995-02-05	-148.4	-19.50	7.6	-4.1
1995-02-09	-119.6	-15.56	4.9	-2.8
1995-02-24	-208.6	-26.65	4.6	-4.8
1995-03-02	-72.9	-10.08	7.7	-6.5
1995-03-02	-74.6	-10.04	5.7	-6.5
1995-03-21	-114.6	-15.17	6.8	-6.6
1995-04-03	-115.0	-15.66	10.3	-10.0
1995-04-15	-139.0	-19.36	15.9	-19.5
1995-04-17	-170.1	-22.16	7.2	-13.2
1995-04-19	-140.4	-17.80	2.0	-7.6
1995-05-01	-139.2	-18.37	7.8	-14.0
1995-05-02	-138.4	-18.23	7.4	-22.9
1995-05-13	-194.8	-25.73	11.0	-32.3
1995-05-16	-308.1	-39.88	10.9	-33.3
1995-05-19	-174.8	-22.19	2.7	-18.4
1995-06-06	-156.6	-20.07	4.0	-26.5
1995-06-28	-207.5	-26.64	5.6	-22.6
1995-07-01	-180.7	-23.52	7.5	-22.0
1995-07-02	-205.0	-26.55	7.4	-28.4
1995-07-12	-213.0	-27.52	7.2	-22.6
1995-07-16	-177.9	-23.71	11.8	-11.7
1995-07-31	-277.3	-35.08	3.3	-27.7
1995-07-31	-265.8	-33.79	4.5	-27.7
1995-08-02	-185.4	-24.32	9.2	-17.5
1995-08-09	-248.8	-32.10	8.0	-28.6
1995-08-30	-179.9	-22.84	2.8	-20.0
1995-09-01	-204.7	-26.20	4.9	-20.5
1995-09-01	-186.0	-23.81	4.5	-20.5
1995-09-01	-184.6	-23.22	1.2	-20.5
1995-09-02	-112.9	-15.36	10.0	-12.9
1995-09-22	-195.9	-27.07	20.7	-33.8
1995-09-29	-206.3	-26.52	5.9	-19.7
1995-09-30	-237.9	-30.64	7.2	-24.7
1995-10-09	-183.6	-23.68	5.8	-12.5
1995-10-13	-114.3	-15.94	13.2	-16.2
1995-10-14	-116.8	-15.92	10.6	-14.1
1995-10-18	-210.4	-27.11	6.5	-13.3
1995-11-01	-149.2	-19.24	4.7	-15.0
1995-11-28	-122.3	-15.40	0.9	-5.5
1995-12-03	-150.5	-19.23	3.3	-6.0
1995-12-06	-115.6	-15.50	8.4	-5.8
1995-12-08	-140.3	-17.98	3.5	-4.0
1995-12-09	-151.5	-19.61	5.4	-4.4
1995-12-11	-211.6	-27.41	7.7	-4.9
1995-12-14	-119.6	-15.72	6.2	-3.5
1995-12-19	-117.3	-14.48	-1.5	-1.0
1996-01-25	-92.1	-12.60	8.7	-6.0
1996-01-27	-104.7	-13.74	5.2	-9.4
1996-02-17	-167.0	-21.51	5.1	-4.2
1996-02-18		-18.90		-2.9
1996-03-05	-67.3	-9.85	11.5	-9.1
1996-03-07	-91.5	-12.81	11.0	-7.4
1996-03-14	-109.6	-14.94	9.9	-10.4
1996-04-01	-109.4	-15.12	11.6	-7.9
1996-04-07	-191.8	-25.05	8.6	-14.4
1996-04-12	-73.1	-12.36	25.8	-19.8
1996-04-20	-76.5	-11.20	13.1	-10.1
1996-05-06	-220.1	-28.95	11.5	-18.5
1996-06-30	-149.8	-19.46	5.9	-11.6
1996-07-04	-123.8	-17.28	14.4	-16.5
1996-07-08	-193.8	-25.21	7.9	-20.5
1996-07-23	-218.2	-27.31	0.3	-13.5
1996-07-27	-216.7	-27.93	6.7	-15.9
1996-07-30	-181.2	-23.52	7.0	-15.1
1996-09-10	-181.3	-23.63	7.7	-16.7
1996-09-12	-172.9	-21.98	2.9	-5.4
1996-10-09	-236.1	-30.40	7.1	-11.0
1996-10-27	-165.1	-21.47	6.7	-8.2
1996-11-05	-138.6	-18.20	7.0	-8.3
1996-11-18	-134.4	-17.64	6.7	-7.9
1996-12-31	-124.7	-16.13	4.3	-3.0
1996-12-31	-132.1	-17.13	4.9	-3.0
1997-01-03	-134.1	-17.58	6.5	-1.5
1997-01-08	-111.9	-14.35	2.9	-1.6
1997-01-31	-104.6	-13.54	3.7	-5.9
1997-02-01	-98.3	-13.64	10.8	-5.4
1997-02-04	-198.3	-25.40	4.9	-3.8
1997-02-21	-94.6	-12.97	9.2	-7.3
1997-03-09	-128.2	-16.83	6.4	-6.6
1997-03-10	-114.1	-14.96	5.6	-5.7
1997-03-13	-139.7	-18.20	5.9	-8.1
1997-03-18	-143.0	-18.98	8.8	-11.7
1997-03-24	-125.1	-17.36	13.8	-9.8
1997-03-24	-197.0	-25.56	7.5	-9.8
1997-03-28	-136.2	-18.12	8.8	-17.0
1997-03-29	-130.8	-17.56	9.7	-17.2
1997-04-09	-90.8	-14.96	28.9	-20.3
1997-04-26	-189.1	-24.78	9.1	-23.4
1997-04-29	-154.9	-19.90	4.3	-11.6
1997-05-03	-162.6	-21.60	10.2	-13.5
1997-05-06	-221.8	-28.71	7.9	-14.5
1997-05-09	-183.1	-25.36	19.8	-16.3
1997-05-11	-180.2	-23.63	8.8	-19.7
1997-05-18	-215.8	-27.67	5.6	-24.8
1997-05-29	-214.4	-27.14	2.7	-19.4
1997-06-06	-272.6	-35.19	8.9	-23.8
1997-06-08	-170.9	-22.14	6.2	-16.9
1997-06-14	-190.1	-24.60	6.7	-14.3
1997-06-17	-155.7	-19.69	1.8	-18.1
1997-06-18	-117.9	-17.37	21.1	-14.0
1997-06-27	-290.2	-37.53	10.0	-23.9
1997-07-28	-310.6	-39.82	8.0	-20.5
1997-08-07	-219.5	-28.10	5.3	-19.9
1997-08-19	-204.4	-26.22	5.4	-11.8
1997-08-29	-184.4	-23.72	5.4	-22.6
1997-09-05	-251.5	-32.77	10.7	-26.0
1997-09-09	-146.5	-19.58	10.1	-18.2
1997-10-02	-197.3	-26.33	13.3	-19.1
1997-10-02	-212.4	-27.71	9.3	-19.1
1997-10-05	-233.0	-31.10	15.8	-21.1
1997-10-06	-229.3	-30.83	17.3	-31.1
1997-10-06	-235.1	-31.75	18.9	-31.1
1997-10-06	-231.1	-31.02	17.1	-31.1
1997-10-07	-232.8	-31.98	23.0	-32.0
1997-10-07	-227.5	-30.55	16.9	-32.0
1997-10-08	-236.6	-31.79	17.7	-33.1
1997-10-09	-237.1	-31.47	14.7	-29.8
1997-10-14	-132.7	-18.74	17.2	-14.6
1997-10-14	-136.8	-19.04	15.5	-14.6
1997-10-15	-145.2	-19.88	13.8	-15.4
1997-10-16	-157.1	-21.15	12.1	-17.4
1997-10-18	-125.5	-17.85	17.3	-19.9
1997-10-24	-217.5	-28.14	7.6	-18.0
1997-11-02	-139.6	-18.75	10.4	-8.3
1997-11-06	-177.0	-23.46	10.7	-11.9
1997-11-14	-169.5	-21.57	3.1	-4.3
1997-11-16	-105.7	-14.88	13.3	-7.5
1997-11-20	-135.4	-17.17	2.0	-3.8
1997-11-21	-131.0	-16.58	1.6	-4.4
1997-11-26	-185.4	-22.92	-2.0	-4.0
1997-12-07	-105.8	-14.56	10.7	-4.3
1997-12-08	-96.7	-12.98	7.1	-5.2
1997-12-22	-142.8	-18.12	2.2	-1.7
1998-01-02	-142.5	-17.81	-0.0	-4.7
1998-01-17	-100.7	-13.00	3.3	-2.7
1998-01-21	-73.7	-10.18	7.7	-4.6
1998-01-21	-100.2	-13.16	5.1	-4.6
1998-03-14	-95.6	-12.64	5.5	-9.8
1998-04-20	-119.1	-15.98	8.7	-13.0
1998-04-21	-100.8	-13.92	10.6	-12.3
1998-05-06	-150.0	-19.75	8.0	-11.2
1998-05-27	-234.3	-30.59	10.4	-18.0
1998-06-04	-150.1	-19.93	9.3	-19.1
1998-06-30	-188.9	-25.23	12.9	-16.6
1998-07-01	-189.6	-25.43	13.8	-27.2
1998-08-09	-230.4	-28.94	1.1	-20.8
1998-08-25	-173.8	-23.57	14.8	-14.1
1998-08-28	-241.1	-31.34	9.6	-23.8
1998-09-07	-151.5	-19.71	6.2	-15.0
1998-09-24	-183.2	-22.98	0.6	-18.5
1998-11-02	-179.2	-22.70	2.4	-4.3
1998-12-05	-115.4	-14.50	0.6	-6.0
1998-12-07	-126.1	-15.59	-1.4	-3.9
1998-12-25	-124.6	-16.20	5.0	-4.8
1999-01-17	-68.6	-8.50	-0.6	-1.4
1999-02-03	-100.4	-13.04	3.9	-1.7
1999-02-04	-105.1	-13.79	5.2	-3.1
1999-02-17	-89.8	-11.49	2.1	-3.7
1999-03-05	-176.9	-23.45	10.7	-7.8
1999-03-06	-172.0	-22.63	9.0	-5.9
1999-04-27	-153.3	-19.92	6.1	-15.7
1999-05-31	-157.0	-20.24	4.9	-18.8
1999-06-23	-251.3	-31.54	1.0	-20.0
1999-07-01	-110.3	-15.81	16.2	-23.1
1999-07-03	-194.9	-26.15	14.3	-20.7
1999-07-07	-213.2	-27.35	5.6	-22.6
1999-07-23	-222.6	-28.53	5.6	-6.7
1999-08-26	-239.2	-30.83	7.4	-18.0
1999-08-31	-245.9	-30.44	-2.4	-18.3
1999-11-05	-176.3	-22.04	0.0	-11.6
1999-11-14	-94.2	-12.62	6.8	-9.1
1999-12-04	-127.5	-17.73	14.3	-9.1
1999-12-05	-116.9	-15.95	10.7	-7.5
1999-12-28	-170.7	-22.18	6.7	-5.4
2000-01-11	-73.8	-10.23	8.0	-3.4
2000-01-30	-135.1	-18.63	13.9	-9.2
2000-03-09	-73.8	-13.28	7.8	-10.9
2000-07-17	-135.1	-26.23	5.8	-22.3
2000-09-28	-98.5	-14.29	15.8	-16.5