/* DATA DESCRIPTION:
Citation:	Sigl, Michael; McConnell, Joseph R; Hörhold, Maria (2024): Annual-resolved volcanic sulfate deposition rates from two Greenland ice cores, 699-1002 CE [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.967094, 
	In: Sigl, M et al. (2024): Sulfur and volcanic sulfate deposition from 6 ice cores in Greenland [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.967071
Abstract:	Annual-resolved previously published volcanic sulfate deposition rates from two ice cores NEEM-2011-S1 (Sigl et al., 2013) and NGRIP1 (Plummer et al., 2012) between 699 and 1001 CE.
Keyword(s):	Greenland; Ice core; Iceland; medieval climate anomaly; sulfate; Sulfur; volcanic activity; Volcanic aerosol
Related to:	Gabriel, Imogen; Plunkett, Gill; Abbott, Peter M; Behrens, Melanie; Burke, Andrea; Chellman, Nathan J; Cook, Eliza; Fleitmann, Dominik; Hörhold, Maria; Hutchison, William; McConnell, Joseph R; Óladóttir, Bergrún A; Preiser-Kapeller, Johannes; Sliwinski, Jakub T; Sugden, Patrick; Twarloh, Birthe; Sigl, Michael (2024): Decadal-to-centennial increases of volcanic aerosols from Iceland challenge the concept of a Medieval Quiet Period. Communications Earth & Environment, 5(1), 194, https://doi.org/10.1038/s43247-024-01350-6
	Sigl, Michael; Winstrup, Mai; McConnell, Joseph R; Welten, Kees C; Plunkett, Gill; Ludlow, F; Büntgen, Ulf; Caffee, Marc W; Chellman, Nathan J; Dahl-Jensen, Dorthe; Fischer, H; Kipfstuhl, Sepp; Kostick, C; Maselli, Olivia J; Mekhaldi, Florian; Mulvaney, Robert; Muscheler, Raimund; Pasteris, Daniel R; Pilcher, John R; Salzer, Matthew W; Schüpbach, Simon; Steffensen, J P; Vinther, Bo Møllesøe; Woodruff, Thomas E (2015): Timing and climate forcing of volcanic eruptions for the past 2,500 years. Nature, 523(7562), 543-549, https://doi.org/10.1038/nature14565
References:	Plummer, C T; Curran, Mark A J; van Ommen, Tas D; Rasmussen, Sune Olander; Moy, Andrew D; Vance, Tessa R; Clausen, Henrik Brink; Vinther, Bo Møllesøe; Mayewski, P A (2012): An independently dated 2000-yr volcanic record from Law Dome, East Antarctica, including a new perspective on the dating of the 1450s CE eruption of Kuwae, Vanuatu. Climate of the Past, 8(6), 1929-1940, https://doi.org/10.5194/cp-8-1929-2012
	Sigl, Michael; McConnell, Joseph R; Layman, Lawrence; Maselli, Olivia J; McGwire, Ken; Pasteris, Daniel R; Dahl-Jensen, Dorthe; Steffensen, Jørgen Peder; Vinther, Bo Møllesøe; Edwards, Ross; Mulvaney, Robert; Kipfstuhl, Sepp (2013): A new bipolar ice core record of volcanism from WAIS Divide and NEEM and implications for climate forcing of the last 2000 years. Journal of Geophysical Research: Atmospheres, 118(3), 1151-1169, https://doi.org/10.1029/2012JD018603
Funding:	European Research Council (ERC), grant/award no. 820047: Timing of Holocene volcanic eruptions and their radiative aerosol forcing (THERA) (URI: doi:10.3030/820047)
Coverage:	MEDIAN LATITUDE: 76.275000 * MEDIAN LONGITUDE: -46.690000 * SOUTH-BOUND LATITUDE: 75.100000 * WEST-BOUND LONGITUDE: -51.060000 * NORTH-BOUND LATITUDE: 77.450000 * EAST-BOUND LONGITUDE: -42.320000
	DATE/TIME START: 1996-07-01T00:00:00 * DATE/TIME END: 1997-08-31T00:00:00
	MINIMUM ELEVATION: 2545.0 m * MAXIMUM ELEVATION: 2917.0 m
Event(s):	NEEM-2011-S1 * LATITUDE: 77.450000 * LONGITUDE: -51.060000 * ELEVATION: 2545.0 m * Penetration: 410 m * LOCATION: Greenland * METHOD/DEVICE: Ice drill (ICEDRILL) * COMMENT: Drilled in 2011, 200 m from the main NEEM borehole
	NGRIP1 (NorthGRIP) * LATITUDE: 75.100000 * LONGITUDE: -42.320000 * DATE/TIME START: 1996-07-01T00:00:00 * DATE/TIME END: 1997-08-31T00:00:00 * ELEVATION: 2917.0 m * Recovery: 1371.8 * LOCATION: Greenland * METHOD/DEVICE: Ice drill (ICEDRILL) * COMMENT: Ice thickness is 3085 m at the drill site.
Parameter(s):	Age [a AD/CE] (Age) * PI: Sigl, Michael (https://orcid.org/0000-0002-9028-9703, michael.sigl@climate.unibe.ch) * COMMENT: NS1-2011
	AGE [ka BP] (Age) * GEOCODE * PI: Sigl, Michael (https://orcid.org/0000-0002-9028-9703, michael.sigl@climate.unibe.ch)
	Deposition of sulfate, volcanic [kg/km**2/a] (Volc [SO4]2- depos) * PI: Sigl, Michael (https://orcid.org/0000-0002-9028-9703, michael.sigl@climate.unibe.ch) * COMMENT: NGRIP1
	Deposition of sulfate, volcanic [kg/km**2/a] (Volc [SO4]2- depos) * PI: Sigl, Michael (https://orcid.org/0000-0002-9028-9703, michael.sigl@climate.unibe.ch) * COMMENT: NEEM-2011-S1
License:	Creative Commons Attribution 4.0 International (CC-BY-4.0) (URI: https://creativecommons.org/licenses/by/4.0/)
Status:	Curation Level: Enhanced curation (URI: https://wiki.pangaea.de/wiki/Curation_levels)
Size:	904 data points
*/
Age [a AD/CE] (NS1-2011)	Age [ka BP]	Volc [SO4]2- depos [kg/km**2/a] (NGRIP1)	Volc [SO4]2- depos [kg/km**2/a] (NEEM-2011-S1)
1000.5	0.9495	0.00	0.00
999.5	0.9505	0.00	0.00
998.5	0.9515	4.44	5.74
997.5	0.9525	3.10	0.00
996.5	0.9535	0.00	0.00
995.5	0.9545	0.00	0.00
994.5	0.9555	0.00	0.00
993.5	0.9565	0.00	0.00
992.5	0.9575	0.00	0.00
991.5	0.9585	0.00	0.00
990.5	0.9595	0.00	0.00
989.5	0.9605	0.00	0.00
988.5	0.9615	0.00	0.00
987.5	0.9625	0.00	0.00
986.5	0.9635	0.00	0.00
985.5	0.9645	0.00	0.00
984.5	0.9655	0.00	0.00
983.5	0.9665	0.00	0.00
982.5	0.9675	0.00	16.95
981.5	0.9685	4.02	0.00
980.5	0.9695	0.00	0.00
979.5	0.9705	7.76	9.55
978.5	0.9715	4.24	2.71
977.5	0.9725	0.00	6.88
976.5	0.9735	0.00	0.00
975.5	0.9745	0.00	0.00
974.5	0.9755	0.00	0.00
973.5	0.9765	0.00	0.00
972.5	0.9775	0.00	0.00
971.5	0.9785	0.00	3.06
970.5	0.9795	0.00	8.47
969.5	0.9805	0.00	0.00
968.5	0.9815	0.00	0.00
967.5	0.9825	0.00	0.00
966.5	0.9835	0.00	0.00
965.5	0.9845	0.00	0.00
964.5	0.9855	0.00	0.00
963.5	0.9865	0.00	0.00
962.5	0.9875	0.00	0.00
961.5	0.9885	0.00	0.00
960.5	0.9895	0.00	0.00
959.5	0.9905	0.00	0.00
958.5	0.9915	0.00	0.00
957.5	0.9925	5.25	0.00
956.5	0.9935	0.00	0.00
955.5	0.9945	0.00	0.00
954.5	0.9955	0.00	0.00
953.5	0.9965	0.00	8.35
952.5	0.9975	0.00	0.00
951.5	0.9985	0.00	0.00
950.5	0.9995	0.00	0.00
949.5	1.0005	0.00	0.00
948.5	1.0015	0.00	0.00
947.5	1.0025	0.00	6.00
946.5	1.0035	9.70	7.28
945.5	1.0045	1.15	0.00
944.5	1.0055	0.00	0.00
943.5	1.0065	0.00	0.00
942.5	1.0075	0.00	0.00
941.5	1.0085	0.00	0.00
940.5	1.0095	10.36	33.35
939.5	1.0105	60.64	69.12
938.5	1.0115	3.75	0.00
937.5	1.0125	0.00	0.00
936.5	1.0135	0.00	0.00
935.5	1.0145	0.00	0.00
934.5	1.0155	0.00	0.00
933.5	1.0165	0.00	0.00
932.5	1.0175	0.00	0.00
931.5	1.0185	0.00	0.00
930.5	1.0195	0.00	0.00
929.5	1.0205	13.01	8.11
928.5	1.0215	0.00	0.00
927.5	1.0225	0.00	0.00
926.5	1.0235	0.00	0.00
925.5	1.0245	0.00	0.00
924.5	1.0255	0.00	0.00
923.5	1.0265	0.00	0.00
922.5	1.0275	0.00	
921.5	1.0285	0.00	0.00
920.5	1.0295	0.00	0.00
919.5	1.0305	0.00	5.34
918.5	1.0315	0.00	7.07
917.5	1.0325	0.00	6.98
916.5	1.0335	0.00	3.12
915.5	1.0345	0.00	0.00
914.5	1.0355	0.00	0.00
913.5	1.0365	0.00	0.00
912.5	1.0375	0.00	0.00
911.5	1.0385	0.00	0.00
910.5	1.0395	0.00	0.00
909.5	1.0405	0.00	0.00
908.5	1.0415	5.72	0.00
907.5	1.0425	0.47	0.00
906.5	1.0435	0.00	0.00
905.5	1.0445	0.00	1.13
904.5	1.0455	13.00	24.70
903.5	1.0465	5.56	0.00
902.5	1.0475	0.00	0.00
901.5	1.0485	0.00	0.00
900.5	1.0495	0.00	6.57
899.5	1.0505	6.37	0.00
898.5	1.0515	0.00	0.00
897.5	1.0525	0.00	0.00
896.5	1.0535	0.00	0.00
895.5	1.0545	0.00	0.00
894.5	1.0555	0.00	0.00
893.5	1.0565	0.00	0.00
892.5	1.0575	0.00	0.00
891.5	1.0585	0.00	0.00
890.5	1.0595	0.00	0.00
889.5	1.0605	0.00	0.00
888.5	1.0615	0.00	0.00
887.5	1.0625	0.00	0.00
886.5	1.0635	0.00	0.00
885.5	1.0645	0.00	0.00
884.5	1.0655	0.00	0.00
883.5	1.0665	0.00	0.00
882.5	1.0675	0.00	0.00
881.5	1.0685	0.00	3.75
880.5	1.0695	1.63	8.90
879.5	1.0705	7.30	10.43
878.5	1.0715	18.16	4.23
877.5	1.0725	11.09	13.13
876.5	1.0735	3.01	0.00
875.5	1.0745	0.00	0.00
874.5	1.0755	0.00	0.00
873.5	1.0765	0.00	0.00
872.5	1.0775	0.00	11.24
871.5	1.0785	0.00	0.00
870.5	1.0795	0.00	0.00
869.5	1.0805	0.00	0.00
868.5	1.0815	0.00	0.00
867.5	1.0825	0.00	0.00
866.5	1.0835	0.00	0.00
865.5	1.0845	0.00	0.00
864.5	1.0855	0.00	0.00
863.5	1.0865	0.00	0.00
862.5	1.0875	0.00	0.00
861.5	1.0885	0.00	0.00
860.5	1.0895	0.00	0.00
859.5	1.0905	0.00	4.83
858.5	1.0915	0.00	2.89
857.5	1.0925	4.38	0.00
856.5	1.0935	0.00	0.00
855.5	1.0945	0.00	0.00
854.5	1.0955	0.00	8.65
853.5	1.0965	0.00	11.74
852.5	1.0975	0.00	0.00
851.5	1.0985	0.00	0.00
850.5	1.0995	0.00	0.00
849.5	1.1005	0.00	0.00
848.5	1.1015	0.00	
847.5	1.1025	0.00	0.00
846.5	1.1035	0.00	8.92
845.5	1.1045	0.00	0.00
844.5	1.1055	0.00	0.00
843.5	1.1065	1.50	0.00
842.5	1.1075	3.34	0.00
841.5	1.1085	0.00	7.21
840.5	1.1095	0.00	0.00
839.5	1.1105	0.00	0.00
838.5	1.1115	0.00	0.00
837.5	1.1125	0.00	0.00
836.5	1.1135	0.00	0.00
835.5	1.1145	7.21	0.00
834.5	1.1155	0.00	0.00
833.5	1.1165	4.29	0.00
832.5	1.1175	0.00	0.00
831.5	1.1185	0.00	0.00
830.5	1.1195	0.00	0.00
829.5	1.1205	0.00	0.00
828.5	1.1215	0.00	0.00
827.5	1.1225	0.00	0.00
826.5	1.1235	0.00	0.00
825.5	1.1245	0.00	8.92
824.5	1.1255	0.00	5.28
823.5	1.1265	0.00	10.50
822.5	1.1275	7.09	19.45
821.5	1.1285	7.57	0.00
820.5	1.1295	8.32	17.11
819.5	1.1305	16.06	4.62
818.5	1.1315	12.66	30.21
817.5	1.1325	12.60	14.71
816.5	1.1335	0.00	0.00
815.5	1.1345	0.00	0.00
814.5	1.1355	0.00	0.00
813.5	1.1365	0.00	0.00
812.5	1.1375	0.00	0.00
811.5	1.1385	0.00	0.00
810.5	1.1395	0.00	0.00
809.5	1.1405	0.00	0.00
808.5	1.1415	0.00	0.00
807.5	1.1425	0.00	0.00
806.5	1.1435	0.00	4.92
805.5	1.1445	0.00	0.00
804.5	1.1455	0.00	0.00
803.5	1.1465	0.00	0.00
802.5	1.1475	0.00	2.43
801.5	1.1485	0.00	6.51
800.5	1.1495	11.53	14.49
799.5	1.1505	1.09	0.00
798.5	1.1515	0.00	0.00
797.5	1.1525	0.00	0.00
796.5	1.1535	0.00	0.00
795.5	1.1545	0.00	0.00
794.5	1.1555	0.00	0.00
793.5	1.1565	0.00	0.00
792.5	1.1575	0.00	0.00
791.5	1.1585	0.00	0.00
790.5	1.1595	0.00	0.00
789.5	1.1605	0.00	0.00
788.5	1.1615	0.00	0.00
787.5	1.1625	0.00	0.00
786.5	1.1635	0.00	0.00
785.5	1.1645	0.00	0.00
784.5	1.1655	0.00	0.00
783.5	1.1665	0.00	3.25
782.5	1.1675	0.00	18.41
781.5	1.1685	0.00	0.00
780.5	1.1695	0.00	0.00
779.5	1.1705	0.00	0.00
778.5	1.1715	0.00	0.00
777.5	1.1725	2.99	0.00
776.5	1.1735	4.83	0.00
775.5	1.1745	0.00	0.00
774.5	1.1755	0.00	0.00
773.5	1.1765	0.00	0.00
772.5	1.1775	0.00	0.00
771.5	1.1785	0.00	0.00
770.5	1.1795	0.00	0.00
769.5	1.1805	0.00	0.00
768.5	1.1815	0.00	0.00
767.5	1.1825	0.00	0.00
766.5	1.1835	0.00	0.00
765.5	1.1845	0.00	0.00
764.5	1.1855	0.00	17.56
763.5	1.1865	0.00	0.00
762.5	1.1875	0.00	0.00
761.5	1.1885	0.00	0.00
760.5	1.1895	0.00	0.00
759.5	1.1905	0.00	0.00
758.5	1.1915	0.00	12.26
757.5	1.1925	0.00	4.16
756.5	1.1935	0.00	13.96
755.5	1.1945	0.00	0.00
754.5	1.1955	0.00	0.00
753.5	1.1965	0.00	33.20
752.5	1.1975	0.00	9.57
751.5	1.1985	0.00	4.64
750.5	1.1995	0.00	15.70
749.5	1.2005	0.00	0.00
748.5	1.2015	0.00	0.00
747.5	1.2025	0.00	0.00
746.5	1.2035	0.00	0.00
745.5	1.2045	0.00	0.00
744.5	1.2055	0.00	0.00
743.5	1.2065	0.00	0.00
742.5	1.2075	0.00	0.00
741.5	1.2085	0.00	0.00
740.5	1.2095	0.00	0.00
739.5	1.2105	0.00	0.00
738.5	1.2115	0.00	0.00
737.5	1.2125	0.00	0.00
736.5	1.2135	0.00	0.00
735.5	1.2145	0.00	0.00
734.5	1.2155	0.00	0.00
733.5	1.2165	0.00	0.00
732.5	1.2175	0.00	5.77
731.5	1.2185	0.00	0.00
730.5	1.2195	0.00	0.00
729.5	1.2205	0.00	0.00
728.5	1.2215	0.00	0.00
727.5	1.2225	0.00	0.00
726.5	1.2235	0.00	0.00
725.5	1.2245	0.00	0.00
724.5	1.2255	0.00	0.00
723.5	1.2265	0.00	0.00
722.5	1.2275	0.00	0.00
721.5	1.2285	0.00	0.00
720.5	1.2295	0.00	0.00
719.5	1.2305	0.00	0.00
718.5	1.2315	0.00	0.00
717.5	1.2325	0.00	0.00
716.5	1.2335	0.00	0.00
715.5	1.2345	0.00	0.00
714.5	1.2355	0.00	0.00
713.5	1.2365	0.00	0.00
712.5	1.2375	0.00	0.00
711.5	1.2385	0.00	0.00
710.5	1.2395	0.00	0.00
709.5	1.2405	0.00	0.00
708.5	1.2415	0.00	0.00
707.5	1.2425	0.00	0.00
706.5	1.2435	0.00	0.00
705.5	1.2445	0.00	0.00
704.5	1.2455	0.00	0.00
703.5	1.2465	0.00	0.00
702.5	1.2475	0.00	0.00
701.5	1.2485	0.00	0.00
700.5	1.2495	0.00	0.00
699.5	1.2505	0.00	0.00