Citation:

PANGAEA.686034

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Abstract:

The influence of atmospheric circulation patterns on sea salt aerosol deposition in the study area of the new EPICA (European Project for Ice Coring in Antarctica) deep drilling in Dronning Maud Land (DML), Antarctica, has been investigated. Comparison of ice core records with reanalysis data showed that recent sea salt concentrations are strongly influenced by the occurrence of a blocking high pressure ridge over the eastern and enhanced storm activity over the western Atlantic sector of the Southern Ocean (SO) leading to marine intrusions, thus enhanced sea salt export, into DML. These variations occur with periods of 4–5 and 12–14 yr, the prior being associated with the Antarctic Circumpolar Wave (ACW). The prevalence of these periodicities in a 2000 year ice core record from DML shows for the first time that the ACW is a prevalent feature of SO atmosphere dynamics over the last two millennia.

Related to:

Fischer, Hubertus; Traufetter, Fidan; Oerter, Hans; Weller, Rolf; Miller, Heinz (2004): Prevalence of the Antarctic Circumpolar Wave over the last two millenia recorded in Dronning Maud Land ice. Geophysical Research Letters, 31, L08202, https://doi.org/10.1029/2003GL019186

Project(s):

European Project for Ice Coring in Antarctica (EPICA)

Priority Programme 1158 Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas (SPP1158)

Funding:

Fifth Framework Programme (FP5), grant/award no. EVK2-CT-2000-00077 : European Project for Ice Coring in Antarctica

Fourth Framework Programme (FP4), grant/award no. ENV4980702 : European Project for Ice Coring in Antarctica

German Research Foundation (DFG), grant/award no. 5472008 : Priority Programme 1158 Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas

Coverage:

Latitude: -74.499167 * Longitude: 1.960833

Date/Time Start: 1998-01-02T00:00:00 * Date/Time End: 1998-01-02T00:00:00

Minimum DEPTH, ice/snow: 1.84 m * Maximum DEPTH, ice/snow: 33.51 m

Event(s):

DML03C98_09 (FB9809) * Latitude: -74.499167 * Longitude: 1.960833 * Date/Time: 1998-01-02T00:00:00 * Elevation Start: 2843.0 m * Elevation End: 2855.0 m * Recovery: 41.5 m * Location: Dronning Maud Land, Antarctica * Campaign: * Basis: Neumayer Station (WMO89002) * Method/Device: Ice drill (ICEDRILL) * Comment: DML03

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	DEPTH, ice/snow	Depth ice/snow	m			Geocode
2	Age model	Age model	ka	Fischer, Hubertus	see comment	calculated from parameter year; 0 = 1950
3	Age	Age	a AD/CE	Fischer, Hubertus	Age model, layer counting

License:

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

Size:

392 data points

Data

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

1 Depth ice/snow [m]	2 Age model [ka]	3 Age [a AD/CE]
1.84	-0.042	1992
1.99	-0.041	1991
2.17	-0.040	1990
2.39	-0.039	1989
2.72	-0.038	1988
3.05	-0.037	1987
3.26	-0.036	1986
3.52	-0.035	1985
3.64	-0.034	1984
3.88	-0.033	1983
4.17	-0.032	1982
4.59	-0.031	1981
4.80	-0.030	1980
4.96	-0.029	1979
5.28	-0.028	1978
5.54	-0.027	1977
5.66	-0.026	1976
5.91	-0.025	1975
6.11	-0.024	1974
6.21	-0.023	1973
6.35	-0.022	1972
6.55	-0.021	1971
6.69	-0.020	1970
6.87	-0.019	1969
7.17	-0.018	1968
7.45	-0.017	1967
7.71	-0.016	1966
7.95	-0.015	1965
8.30	-0.014	1964
8.42	-0.013	1963
8.52	-0.012	1962
8.66	-0.011	1961
8.79	-0.010	1960
9.11	-0.009	1959
9.23	-0.008	1958
9.38	-0.007	1957
9.60	-0.006	1956
9.78	-0.005	1955
10.13	-0.004	1954
10.22	-0.003	1953
10.37	-0.002	1952
10.56	-0.001	1951
10.94	0.000	1950
11.07	0.001	1949
11.31	0.002	1948
11.46	0.003	1947
11.65	0.004	1946
11.90	0.005	1945
11.99	0.006	1944
12.22	0.007	1943
12.43	0.008	1942
12.54	0.009	1941
12.82	0.010	1940
13.00	0.011	1939
13.17	0.012	1938
13.38	0.013	1937
13.47	0.014	1936
13.63	0.015	1935
13.80	0.016	1934
13.96	0.017	1933
14.13	0.018	1932
14.26	0.019	1931
14.43	0.020	1930
14.55	0.021	1929
14.73	0.022	1928
14.92	0.023	1927
15.18	0.024	1926
15.39	0.025	1925
15.60	0.026	1924
15.71	0.027	1923
15.85	0.028	1922
16.05	0.029	1921
16.22	0.030	1920
16.37	0.031	1919
16.53	0.032	1918
16.71	0.033	1917
16.84	0.034	1916
16.97	0.035	1915
17.14	0.036	1914
17.24	0.037	1913
17.48	0.038	1912
17.59	0.039	1911
17.75	0.040	1910
17.90	0.041	1909
18.04	0.042	1908
18.19	0.043	1907
18.39	0.044	1906
18.62	0.045	1905
18.79	0.046	1904
18.94	0.047	1903
19.05	0.048	1902
19.21	0.049	1901
19.29	0.050	1900
19.36	0.051	1899
19.61	0.052	1898
19.79	0.053	1897
19.96	0.054	1896
20.08	0.055	1895
20.24	0.056	1894
20.40	0.057	1893
20.54	0.058	1892
20.69	0.059	1891
20.86	0.060	1890
21.00	0.061	1889
21.15	0.062	1888
21.33	0.063	1887
21.48	0.064	1886
21.65	0.065	1885
21.76	0.066	1884
21.89	0.067	1883
22.11	0.068	1882
22.23	0.069	1881
22.35	0.070	1880
22.54	0.071	1879
22.69	0.072	1878
22.79	0.073	1877
22.93	0.074	1876
23.05	0.075	1875
23.12	0.076	1874
23.24	0.077	1873
23.46	0.078	1872
23.60	0.079	1871
23.74	0.080	1870
23.89	0.081	1869
24.05	0.082	1868
24.21	0.083	1867
24.44	0.084	1866
24.55	0.085	1865
24.68	0.086	1864
24.80	0.087	1863
24.95	0.088	1862
25.06	0.089	1861
25.21	0.090	1860
25.39	0.091	1859
25.54	0.092	1858
25.66	0.093	1857
25.76	0.094	1856
25.89	0.095	1855
26.01	0.096	1854
26.12	0.097	1853
26.19	0.098	1852
26.30	0.099	1851
26.42	0.100	1850
26.60	0.101	1849
26.70	0.102	1848
26.86	0.103	1847
26.92	0.104	1846
27.07	0.105	1845
27.21	0.106	1844
27.34	0.107	1843
27.49	0.108	1842
27.59	0.109	1841
27.69	0.110	1840
27.84	0.111	1839
28.05	0.112	1838
28.17	0.113	1837
28.28	0.114	1836
28.44	0.115	1835
28.52	0.116	1834
28.71	0.117	1833
28.81	0.118	1832
28.91	0.119	1831
29.07	0.120	1830
29.18	0.121	1829
29.26	0.122	1828
29.37	0.123	1827
29.52	0.124	1826
29.70	0.125	1825
29.88	0.126	1824
29.98	0.127	1823
30.05	0.128	1822
30.16	0.129	1821
30.34	0.130	1820
30.50	0.131	1819
30.66	0.132	1818
30.83	0.133	1817
30.96	0.134	1816
31.06	0.135	1815
31.22	0.136	1814
31.46	0.137	1813
31.61	0.138	1812
31.71	0.139	1811
31.80	0.140	1810
31.92	0.141	1809
32.01	0.142	1808
32.13	0.143	1807
32.33	0.144	1806
32.45	0.145	1805
32.67	0.146	1804
32.84	0.147	1803
32.91	0.148	1802
33.03	0.149	1801
33.14	0.150	1800
33.27	0.151	1799
33.41	0.152	1798
33.51	0.153	1797