Citation:

PANGAEA.90653

Always quote citation above when using data! You can download the citation in several formats below.

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Related to:

Clausen, Henrik Brink; Hammer, C U; Christensen, John P; Hvidberg, Christine Schøtt; Dahl-Jensen, Dorthe; Legrand, Michel R; Steffensen, Jørgen Peder (1995): 1250 years of global volcanism as revealed by central Greenland ice cores. In: Delmas, R (ed.), Ice Core Studies of Global Biogeochemical cycles, Annecy, France, NATO Advanced Sciences Institutes Series 1, 30, 175-194

GRIP Members (1993): Climate instability during the last interglacial period recorded in the GRIP ice core. Nature, 364(6434), 203-207, https://doi.org/10.1038/364203a0

GRIP/GISP (1997): The Greenland Summit Ice Cores CD-ROM GISP2/GRIP. National Snow and Ice Data Center, University of Colorado at Boulder, and World Data Center for Paleoclimatology, National Geophysical Data Center, Boulder Colorado, CD-ROM, grip-gisp.iso

Moore, J Casey; Mulvaney, Robert; Paren, J G (1989): Dielectric stratigraphy of ice: a new technique for determining total ionic concentrations in polar ice cores. Geophysical Research Letters, 16, 1177-1180, https://doi.org/10.1029/GL016i010p01177

Moore, J Casey; Paren, J G (1987): A new technique for dielectric logging of Antarctic ice cores. Journal de Physique, 48C, 155-160, https://doi.org/10.1051/jphyscol:1987123

Moore, J Casey; Wolff, Eric William; Clausen, Henrik Brink; Hammer, C U; Legrand, Michel R; Fuhrer, Katrin (1994): Electrical response of the Summit-Greenland ice core to ammonium, sulphuric acid, and hydrochloric acid. Geophysical Research Letters, 21(7), 565-568, https://doi.org/10.1029/94GL00542

Taylor, Kendrick C; Hammer, C U; Alley, Richard B; Clausen, Henrik Brink; Dahl-Jensen, Dorthe; Gow, A J; Gundestrup, Niels S; Kipfstuhl, Sepp; Moore, J Casey; Waddington, Edwin D (1993): Electrical conductivity measurements from the GISP2 and GRIP Greenland ice cores. Nature, 366(6455), 549-552, https://doi.org/10.1038/366549a0

Wolff, Eric William; Moore, J Casey; Clausen, Henrik Brink; Hammer, C U (1997): Climatic implications of background acidity and other chemistry derived from electrical studies of the Greenland Ice Core Project ice core. Journal of Geophysical Research: Oceans, 102(C12), 26325-26332, https://doi.org/10.1029/96JC02223

Wolff, Eric William; Moore, J Casey; Clausen, Henrik Brink; Hammer, C U; Kipfstuhl, Sepp; Fuhrer, Katrin (1995): Long-term changes in the acid and salt concentrations of the Greenland Ice Core Project ice core from electrical stratigraphy. Journal of Geophysical Research: Atmospheres, 100(D8), 16249-16264, https://doi.org/10.1029/95JD01174

Project(s):

Greenland Ice Core Projects (GRIP/GISP/NGRIP)

Coverage:

Latitude: 72.570000 * Longitude: -37.620000

Date/Time Start: 1989-06-01T00:00:00 * Date/Time End: 1992-07-12T00:00:00

Minimum DEPTH, ice/snow: 137.980 m * Maximum DEPTH, ice/snow: 3028.630 m

Event(s):

GRIP * Latitude: 72.570000 * Longitude: -37.620000 * Date/Time Start: 1989-06-01T00:00:00 * Date/Time End: 1992-07-12T00:00:00 * Elevation: 3232.0 m * Penetration: 3028.8 m * Recovery: 3028.8 m * Location: Greenland * Campaign: * Basis: Sampling/drilling ice * Method/Device: ISTUK electromechanical drill (ISTUK)

Comment:

Sigma infinity has a pure ice background of 9 microsiemens/m, and responds to the chemistry of the ice. The only components known to cause an increased sigma infinity are acidity, ammonium and chloride (Wolff et al., 1995; Moore, et al., 1994). A calibration is given in Wolff et al., (1995). During warm periods, the DEP is mainly a record of acidity, while during cold (glacial) periods it is responding mainly to ammonium and/or chloride.

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	DEPTH, ice/snow	Depth ice/snow	m			Geocode
2	Conductivity, specific	Cond	µS/m	Wolff, Eric William	Dielectric profiling, DEP (Wilhelms, 2000)	sigma infinity = high frequency limit of conductivity, corrected to -15 deg C

License:

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

Size:

137817 data points

Data

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

1 Depth ice/snow [m]	2 Cond [µS/m]
137.980	16.31
138.000	16.85
138.020	16.56
138.040	18.98
138.060	18.60
138.080	18.94
138.100	15.14
138.120	16.00
138.140	15.98
138.160	16.63
138.180	15.98
138.200	17.52
138.220	18.28
138.240	19.44
138.260	20.30
138.280	20.22
138.300	18.46
138.320	18.66
138.340	18.79
138.360	19.08
138.380	20.11
138.400	22.60
138.420	23.04
138.440	22.92
138.460	20.83
138.480	20.71
138.500	19.71
138.520	18.78
138.540	18.89
138.560	18.29
138.580	18.75
138.600	20.27
138.620	23.05
138.640	23.53
138.660	22.85
138.680	19.49
138.700	17.85
138.720	17.15
138.740	18.64
138.760	19.77
138.780	20.29
138.800	19.89
138.820	19.44
138.840	21.67
138.860	21.50
138.880	21.99
138.900	22.19
138.920	21.46
138.940	19.25
138.960	19.68
138.980	18.65
139.000	18.89
139.020	19.00
139.040	20.50
139.060	22.48
139.080	22.86
139.100	22.42
139.120	17.73
139.140	20.57
139.160	21.10
139.180	21.29
139.200	22.20
139.220	21.07
139.240	20.39
139.260	19.80
139.280	20.81
139.300	21.82
139.320	26.09
139.340	28.78
139.360	32.89
139.380	34.07
139.400	29.02
139.420	25.27
139.440	23.66
139.460	21.99
139.480	20.98
139.500	19.11
139.520	22.28
139.540	23.27
139.560	20.68
139.580	18.42
139.600	16.63
139.620	15.13
139.645	13.74
139.665	17.82
139.685	19.28
139.705	18.14
139.725	19.21
139.745	20.23
139.765	18.36
139.785	19.10
139.805	19.56
139.825	19.55
139.845	20.29
139.865	21.37
139.885	20.27
139.905	20.64
139.925	23.37
139.945	23.45
139.965	24.25
139.985	23.77
140.005	23.24
140.025	22.98
140.045	19.46
140.065	19.45
140.085	18.81
140.105	19.70
140.125	19.55
140.145	19.99
140.165	20.97
140.185	21.34
140.205	20.80
140.225	20.23
140.245	18.72
140.265	19.01
140.285	18.58
140.305	18.48
140.325	20.34
140.345	21.97
140.365	21.05
140.385	20.11
140.405	21.73
140.425	21.69
140.445	20.24
140.465	19.62
140.485	20.15
140.505	20.35
140.525	20.83
140.545	20.67
140.565	22.15
140.585	22.01
140.605	20.50
140.625	20.28
140.645	19.21
140.665	20.09
140.685	19.65
140.705	20.43
140.725	20.53
140.745	22.38
140.765	21.73
140.785	19.01
140.805	18.59
140.825	17.64
140.845	19.30
140.865	19.53
140.885	20.42
140.905	21.79
140.925	21.58
140.945	22.74
140.965	22.36
140.985	22.14
141.005	21.04
141.025	19.18
141.045	18.84
141.065	18.76
141.085	18.93
141.105	19.77
141.125	20.34
141.145	20.96
141.165	22.00
141.185	22.69
141.205	21.76
141.225	21.96
141.245	20.35
141.265	20.52
141.285	20.13
141.305	17.67
141.330	15.98
141.350	18.21
141.370	15.09
141.390	17.92
141.410	19.29
141.430	19.83
141.450	18.93
141.470	17.43
141.490	17.34
141.510	16.76
141.530	17.36
141.550	19.07
141.570	19.29
141.590	19.77
141.610	19.41
141.630	18.38
141.650	17.55
141.670	15.13
141.690	13.83
141.710	14.68
141.730	14.82
141.750	16.07
141.770	15.04
141.790	13.67
141.810	12.94
141.830	13.85
141.850	16.33
141.870	17.92
141.890	20.58
141.910	19.94
141.930	19.76
141.950	20.01
141.970	18.95
141.990	17.66
142.010	16.99
142.030	17.31
142.050	17.57
142.070	18.90
142.090	21.51
142.110	21.97
142.130	22.43
142.150	19.69
142.170	19.25
142.190	19.45
142.210	19.94
142.230	19.15
142.250	20.03
142.270	21.17
142.290	19.54
142.310	21.94
142.330	21.55
142.350	20.50
142.370	19.35
142.390	19.57
142.410	18.41
142.430	17.66
142.450	19.01
142.470	19.44
142.490	20.92
142.510	22.63
142.530	21.68
142.550	19.24
142.570	18.87
142.590	18.30
142.610	17.52
142.630	17.93
142.650	18.90
142.670	20.55
142.690	20.78
142.710	20.20
142.730	21.41
142.750	22.09
142.770	21.82
142.790	19.49
142.810	20.38
142.830	20.67
142.850	21.04
142.870	23.73
142.890	23.59
142.910	24.15
142.930	26.00
142.950	29.26
142.970	30.61
142.990	27.53
143.005	24.39
143.025	27.40
143.045	28.12
143.065	26.92
143.085	29.17
143.105	34.64
143.125	34.27
143.145	32.32
143.165	32.75
143.185	31.53
143.205	29.31
143.225	28.85
143.245	25.27
143.265	22.56
143.285	19.03
143.305	16.47
143.325	16.67
143.345	16.18
143.365	16.48
143.385	16.72
143.405	17.45
143.425	19.55
143.445	19.28
143.465	17.28
143.485	18.38
143.505	18.28
143.525	17.02
143.545	17.08
143.565	18.42
143.585	17.81
143.605	17.70
143.625	16.67
143.645	20.09
143.665	20.61
143.685	21.79
143.705	20.97
143.725	20.01
143.745	17.76
143.765	17.62
143.785	18.80
143.805	17.99
143.825	19.26
143.845	20.33
143.865	23.75
143.885	24.00
143.905	23.38
143.925	23.57
143.945	24.03
143.965	23.13
143.985	24.34
144.005	21.40
144.025	20.99
144.045	19.92
144.065	18.75
144.085	18.28
144.105	19.37
144.125	21.38
144.145	19.94
144.165	18.84
144.185	18.06
144.205	18.33
144.225	19.28
144.245	19.42
144.265	20.77
144.285	23.69
144.305	25.00
144.325	23.39
144.345	23.71
144.365	23.96
144.385	22.12
144.405	23.68
144.425	23.49
144.445	23.61
144.465	22.36
144.485	21.92
144.505	18.14
144.525	17.58
144.545	18.60
144.550	12.71
144.570	15.57
144.590	15.89
144.610	18.36
144.630	19.14
144.650	19.64
144.670	18.53
144.690	18.50
144.710	19.46
144.730	14.77
144.750	19.77
144.770	22.60
144.790	20.34
144.810	20.20
144.830	17.84
144.850	19.04
144.870	19.29
144.890	18.76
144.910	18.35
144.930	17.96
144.950	19.00
144.970	22.11
144.990	23.12
145.010	23.04
145.030	20.26
145.050	17.76
145.070	13.97
145.090	12.68
145.110	13.97
145.130	12.84
145.150	13.95
145.170	13.51
145.190	11.97
145.210	10.08
145.230	14.37
145.250	16.60
145.270	15.48
145.290	14.23
145.310	13.87
145.330	13.85
145.350	13.06
145.370	13.63
145.390	14.66
145.410	15.09
145.430	15.83
145.450	18.35
145.470	19.85
145.490	16.35
145.510	17.51
145.530	16.59
145.550	14.99
145.570	14.01
145.590	12.88
145.610	13.66
145.630	13.96
145.650	15.58
145.670	19.36
145.690	19.24
145.710	20.04
145.730	19.87
145.750	18.82
145.770	18.49
145.790	18.17
145.810	18.04
145.830	19.31
145.850	19.13
145.870	19.31
145.890	19.56
145.910	20.04
145.930	18.81
145.950	18.08
145.970	17.70
145.990	17.98
146.010	16.79
146.030	17.03
146.050	16.79
146.070	14.87
146.090	17.97
146.110	18.38
146.130	19.65
146.150	19.20
146.170	19.35
146.190	19.03
146.210	19.39
146.230	19.55
146.250	19.34
146.270	19.10
146.300	17.77
146.320	20.59
146.340	22.74
146.360	22.21
146.380	19.03
146.400	21.57
146.420	21.15
146.440	19.81
146.460	19.44
146.480	17.27
146.500	15.29
146.520	15.28
146.540	16.66
146.560	18.44
146.580	17.92
146.600	17.32
146.620	16.82
146.640	17.59
146.660	17.82
146.680	18.12
146.700	17.23
146.720	18.44
146.740	18.05
146.760	18.66
146.780	19.13
146.800	17.69
146.820	19.81
146.840	20.88
146.860	22.23
146.880	22.36
146.900	20.21
146.920	19.99
146.940	18.88
146.960	18.80
146.980	18.77
147.000	19.05
147.020	19.35
147.040	21.38
147.060	22.48
147.080	23.76
147.100	23.47
147.120	21.37
147.140	19.66
147.160	20.59
147.180	19.65
147.200	20.90
147.220	22.34
147.240	24.06
147.260	23.12
147.280	23.03
147.300	21.38
147.320	24.13
147.340	23.06
147.360	21.90
147.380	20.17
147.400	18.70
147.420	18.23
147.440	16.74
147.460	18.26
147.480	19.96
147.500	21.51
147.520	20.53
147.540	18.73
147.560	18.76
147.580	17.96
147.600	17.77
147.620	18.84
147.640	19.02
147.660	19.39
147.680	16.59
147.700	18.39
147.720	20.93
147.740	21.29
147.760	18.72
147.780	18.42
147.800	18.63
147.820	18.35
147.840	18.58
147.860	18.16
147.880	18.39
147.900	18.67
147.920	21.39
147.940	22.86
147.960	21.72
147.980	23.31
148.000	23.12
148.020	20.35
148.045	15.67
148.065	20.11
148.085	21.60
148.105	19.77
148.125	19.79
148.145	24.73
148.165	21.95
148.185	19.92
148.205	19.56
148.225	19.28
148.245	19.03
148.265	17.88
148.285	17.96
148.305	19.07
148.325	18.00
148.345	13.14
148.365	13.94
148.385	18.28
148.405	19.11
148.425	20.07
148.445	17.95
148.465	18.50
148.485	18.16
148.505	18.03
148.525	19.15
148.545	20.42
148.565	20.67
148.585	21.02
148.605	22.99
148.625	21.84
148.645	19.69
148.665	18.80
148.685	17.96
148.705	17.60
148.725	16.88
148.745	17.85
148.765	17.85
148.785	18.57
148.805	19.62
148.825	19.46
148.845	16.90
148.865	17.80
148.885	18.46
148.905	18.65
148.925	18.46
148.945	18.44
148.965	18.73
148.985	18.62
149.005	18.21
149.025	18.62
149.045	18.87
149.065	21.09
149.085	21.88
149.105	23.35
149.125	21.45
149.145	20.71
149.165	22.03
149.185	20.00
149.205	19.53
149.225	17.93
149.245	14.41
149.265	12.94
149.285	12.34
149.305	16.31
149.325	17.33
149.345	18.41
149.365	20.83
149.385	21.14
149.405	21.39
149.425	20.90
149.445	20.09
149.465	20.46
149.485	20.59
149.505	20.68
149.525	21.64
149.545	22.60
149.565	22.30
149.585	23.65
149.605	21.63
149.625	21.61
149.645	19.64
149.665	22.81
149.685	21.08
149.705	20.57
149.725	20.28
149.745	19.47
149.765	21.19
149.785	15.22
149.805	23.15
149.825	22.23
149.845	20.23
149.865	19.74
149.885	17.98
149.885	15.83
149.905	18.79
149.925	19.55
149.945	16.53
149.965	18.51
149.985	21.12
150.005	21.33
150.025	21.76
150.045	21.39
150.065	21.24
150.085	19.24
150.105	18.40
150.125	15.89
150.145	16.42
150.165	16.58
150.185	17.91
150.205	18.01
150.225	18.24
150.245	17.72
150.265	16.67
150.285	16.49
150.305	21.04
150.325	21.30
150.345	19.22
150.365	20.31
150.385	21.44
150.405	21.07
150.425	22.17
150.445	24.11
150.465	22.85
150.485	21.58
150.505	19.85
150.525	18.82
150.545	16.14
150.565	17.38
150.585	18.34
150.605	18.66
150.625	19.36
150.645	20.09
150.665	19.94
150.685	19.85
150.705	19.53
150.725	18.29
150.745	19.21
150.765	17.65
150.785	17.00
150.805	17.95
150.825	19.43
150.845	19.29
150.865	19.81
150.885	18.04
150.905	17.70
150.925	15.89
150.945	20.53
150.965	21.30
150.985	19.26
151.005	19.39
151.025	19.16
151.045	19.33
151.065	20.42
151.085	20.01
151.105	19.71
151.125	19.32
151.145	20.61
151.165	21.08
151.185	21.49
151.205	21.24
151.225	21.58
151.245	21.10
151.265	19.91
151.285	18.94
151.305	18.99
151.325	17.74
151.345	17.63
151.365	18.94
151.385	18.88
151.405	20.18
151.425	22.17
151.445	22.19
151.465	21.41
151.485	19.80
151.505	21.31
151.525	19.64
151.540	16.42
151.560	17.11
151.580	18.84
151.600	18.42
151.620	18.43
151.640	20.37
151.660	19.19
151.680	19.82
151.700	20.75
151.720	19.25
151.740	18.24
151.760	18.38
151.780	17.82
151.800	18.32
151.820	19.10
151.840	21.70
151.860	22.60
151.880	22.71
151.900	20.98
151.920	20.57
151.940	18.46
151.960	19.11
151.980	18.08
152.000	18.34
152.020	19.10
152.040	20.96
152.060	21.68
152.080	23.43
152.100	23.47
152.120	22.30
152.140	22.71
152.160	21.95
152.180	18.89
152.200	16.26
152.220	12.93
152.240	12.88
152.260	16.20
152.280	18.52
152.300	19.53
152.320	20.60
152.340	20.22
152.360	19.93
152.380	19.42
152.400	19.37
152.420	17.80
152.440	17.89
152.460	17.50
152.480	18.65
152.500	17.59
152.520	19.33
152.540	20.18
152.560	22.82
152.580	22.45
152.600	23.21
152.620	22.04
152.640	22.46
152.660	21.35
152.680	18.73
152.700	18.25
152.720	17.98
152.740	18.35
152.760	19.19
152.780	20.09
152.800	22.05
152.820	21.19
152.840	21.67
152.860	23.41
152.880	21.75
152.900	18.13
152.920	17.65
152.940	17.31
152.960	17.95
152.980	17.40
153.000	18.22
153.020	18.76
153.040	18.75
153.060	19.12
153.080	20.86
153.100	21.36
153.120	22.81
153.140	21.99
153.160	21.16
153.180	20.44
153.200	21.16
153.220	19.65
153.240	17.97
153.260	17.15
153.280	14.81
153.300	19.72
153.320	19.21
153.340	20.75
153.360	19.96
153.380	20.09
153.400	18.38
153.420	17.80
153.440	18.27
153.460	18.44
153.480	18.72
153.500	18.68
153.520	18.28
153.540	20.02
153.560	20.91
153.580	19.65
153.600	18.48
153.620	17.37
153.640	16.34
153.660	16.26
153.680	16.49
153.700	17.58
153.720	17.93
153.740	19.12
153.760	18.91
153.780	18.80
153.800	14.82
153.820	20.14
153.840	20.74
153.860	18.91
153.880	18.18
153.900	18.47
153.920	19.24
153.940	21.02
153.960	22.22
153.980	22.85
154.000	18.89
154.020	17.03
154.040	21.25
154.060	21.14
154.080	19.67
154.100	20.71
154.120	22.01
154.140	24.86
154.160	25.10
154.180	24.51
154.200	24.66
154.220	22.69
154.240	20.52
154.260	19.79
154.280	17.44
154.300	18.38
154.320	18.56
154.340	18.65
154.360	18.16
154.380	19.31
154.400	21.21
154.420	20.51
154.440	20.77
154.460	20.49
154.480	18.86
154.500	20.13
154.520	20.03
154.540	21.23
154.560	22.34
154.580	22.88
154.600	25.11
154.620	24.90
154.640	24.35
154.660	23.12
154.680	21.46
154.700	21.54
154.720	21.07
154.740	19.98
154.760	19.63
154.780	19.53
154.800	20.86
154.820	22.89
154.840	20.86
154.860	22.74
154.880	22.14
154.900	20.69
154.920	19.04
154.940	18.53
154.960	17.05
154.980	16.62
155.000	17.93
155.020	17.28
155.040	14.40
155.070	14.99
155.090	15.92
155.110	17.88
155.130	19.61
155.150	19.66
155.170	21.45
155.190	20.91
155.210	19.92
155.230	18.95
155.250	17.82
155.270	17.74
155.290	18.53
155.310	17.66
155.330	19.38
155.350	20.23
155.370	21.41
155.390	21.79
155.410	18.61
155.430	21.36
155.450	22.87
155.470	21.97
155.490	22.59
155.510	20.72
155.530	21.67
155.550	21.45
155.570	22.05
155.590	20.39
155.610	18.82
155.630	18.28
155.650	18.33
155.670	17.59
155.690	16.00
155.710	16.29
155.730	16.18
155.750	17.35
155.770	18.33
155.790	18.66
155.810	19.62
155.830	21.86
155.850	23.64
155.870	23.34
155.890	22.63
155.910	21.45
155.930	21.12
155.950	17.68
155.970	15.92
155.990	15.26
156.010	15.82
156.030	16.03
156.050	16.37
156.070	16.24
156.090	17.18
156.110	19.89
156.130	22.47
156.150	22.56
156.170	22.95
156.190	23.80
156.210	21.19
156.230	20.75
156.250	19.89
156.270	19.53
156.290	18.57
156.310	17.46
156.330	18.18
156.350	17.96
156.370	18.51
156.390	21.39
156.410	20.91
156.430	22.61
156.450	21.49
156.470	19.65
156.490	19.74
156.510	18.49
156.530	18.04
156.550	19.66
156.570	17.45
156.590	18.14
156.610	19.84
156.630	17.81
156.650	19.59
156.670	17.95
156.690	20.76
156.710	20.47
156.730	19.53
156.750	18.94
156.770	20.04
156.780	16.81
156.800	19.65
156.820	21.11
156.840	20.09
156.860	20.70
156.880	21.39
156.900	18.30
156.920	17.64
156.940	17.97
156.960	17.01
156.980	17.94
157.000	20.65
157.020	19.51
157.040	19.31
157.060	20.26
157.080	19.53
157.100	19.73
157.120	19.23
157.140	18.78
157.160	18.73
157.180	17.60
157.200	19.51
157.220	19.45
157.240	19.06
157.260	18.33
157.280	16.97
157.300	16.03
157.320	15.68
157.340	17.01
157.360	17.09
157.380	16.88
157.400	17.26
157.420	16.13
157.440	16.66
157.460	17.88
157.480	18.83
157.500	20.47
157.520	18.58
157.540	19.30
157.560	19.13
157.580	18.38
157.600	19.40
157.620	19.53
157.640	19.64
157.660	19.51
157.680	18.18
157.700	19.08
157.720	20.76
157.740	21.74
157.760	22.20
157.780	20.54
157.800	19.51
157.820	19.02
157.840	18.53
157.860	16.84
157.880	17.36
157.900	18.72
157.920	17.86
157.940	18.67
157.960	19.73
157.980	20.63
158.000	22.31
158.020	19.82
158.040	20.56
158.060	20.94
158.080	20.13
158.100	18.97
158.120	18.25
158.140	17.90
158.160	17.74
158.180	17.07
158.200	17.10
158.220	16.87
158.240	17.03
158.260	18.18
158.280	19.20
158.300	18.25
158.320	21.56
158.340	22.40
158.360	21.41
158.380	19.43
158.400	19.63
158.420	18.92
158.440	19.33
158.460	18.77
158.480	19.95
158.500	20.26
158.530	17.78
158.550	21.15
158.570	22.00
158.590	20.89
158.610	18.53
158.630	21.45
158.650	18.62
158.670	16.01
158.690	17.13
158.710	17.23
158.730	19.44
158.750	21.83
158.770	20.25
158.790	20.01
158.810	19.59
158.830	19.10
158.850	20.51
158.870	19.93
158.890	18.86
158.910	17.89
158.930	21.49
158.950	24.34
158.970	18.87
158.990	17.82
159.010	17.12
159.030	10.79
159.050	21.45
159.070	20.62
159.090	22.50
159.110	21.34
159.130	19.50
159.150	19.65
159.170	19.92
159.190	19.74
159.210	20.27
159.230	20.18
159.250	20.15
159.270	21.36
159.290	24.07
159.310	28.07
159.330	32.60
159.350	32.15
159.370	26.73
159.390	25.83
159.410	25.43
159.430	25.55
159.450	25.60
159.470	25.78
159.490	19.72
159.510	19.01
159.530	18.68
159.550	18.84
159.570	19.65
159.590	20.95
159.610	21.70
159.630	22.59
159.650	23.34
159.670	22.13
159.690	22.34
159.710	20.89
159.730	20.63
159.750	19.60
159.770	19.20
159.790	19.17
159.810	20.26
159.830	21.29
159.850	22.81
159.870	22.00
159.890	20.89
159.910	19.84
159.930	20.22
159.950	20.37
159.970	20.10
159.990	21.01
160.010	22.31
160.030	22.63
160.050	23.05
160.070	23.11
160.090	21.60
160.110	20.53
160.130	19.04
160.150	19.22
160.170	19.54
160.190	20.16
160.210	20.47
160.230	21.31
160.250	22.40
160.270	23.46
160.290	22.73
160.310	22.37
160.330	21.64
160.350	20.49
160.370	20.89
160.390	20.14
160.410	21.16
160.430	22.36
160.450	23.04
160.470	24.55
160.490	26.71
160.510	24.30
160.530	23.22
160.550	21.28
160.570	21.27
160.590	20.12
160.610	18.85
160.630	17.38
160.650	17.42
160.670	18.75
160.690	20.01
160.710	19.55
160.730	19.02
160.780	18.06
160.800	19.04
160.820	20.50
160.840	19.93
160.860	20.83
160.880	23.77
160.900	23.25
160.920	22.94
160.940	25.86
160.960	24.35
160.980	24.11
161.000	21.15
161.020	17.60
161.040	16.84
161.060	17.03
161.080	17.05
161.100	17.79
161.120	19.17
161.140	19.42
161.160	18.98
161.180	17.92
161.200	18.81
161.220	17.78
161.240	18.94
161.260	20.61
161.280	19.21
161.300	18.92
161.320	19.60
161.340	20.50
161.360	20.71
161.380	19.80
161.400	18.92
161.420	18.20
161.440	18.96
161.460	20.09
161.480	20.57
161.500	21.20
161.520	21.21
161.540	24.37
161.560	23.78
161.580	21.21
161.600	19.79
161.620	19.23
161.640	20.75
161.660	19.81
161.680	19.81
161.700	20.33
161.720	22.83
161.740	21.94
161.760	23.66
161.780	22.13
161.800	22.31
161.820	20.64
161.840	20.17
161.860	18.42
161.880	17.72
161.900	14.21
161.920	13.68
161.940	15.97
161.960	19.47
161.980	20.99
162.000	21.31
162.020	20.19
162.040	19.61
162.060	18.56
162.080	18.08
162.100	18.41
162.120	19.30
162.140	21.33
162.160	22.19
162.180	21.83
162.200	21.10
162.220	19.89
162.240	18.87
162.260	18.63
162.280	18.35
162.300	18.01
162.320	20.51
162.340	20.39
162.360	20.94
162.380	18.87
162.400	20.30
162.420	19.36
162.440	18.11
162.460	17.29
162.480	8.52
162.500	19.39
162.520	19.03
162.540	17.27
162.560	14.82
162.580	10.19
162.600	15.66
162.620	20.31
162.640	21.35
162.660	19.98
162.680	19.07
162.700	19.74
162.720	19.29
162.740	20.85
162.760	22.37
162.780	22.34
162.800	20.06
162.820	17.72
162.840	16.77
162.860	18.55
162.880	18.56
162.900	19.80
162.920	21.30
162.940	22.49
162.960	21.59
162.980	21.42
163.000	21.73
163.020	19.70
163.040	19.18
163.060	18.06
163.080	17.82
163.100	18.11
163.120	18.37
163.140	17.61
163.160	17.56
163.180	18.62
163.200	19.17
163.220	19.50
163.240	19.56
163.260	18.88
163.280	17.55
163.300	16.97
163.320	15.50
163.340	17.56
163.360	17.97
163.380	18.48
163.400	19.33
163.420	19.83
163.440	18.88
163.460	17.51
163.480	15.87
163.500	17.33
163.520	18.11
163.540	17.58
163.560	17.73
163.580	19.34
163.600	22.55
163.620	20.63
163.640	20.87
163.660	21.88
163.680	22.14
163.700	24.39
163.720	23.10
163.740	21.98
163.760	19.29
163.780	17.95
163.800	15.87
163.820	15.79
163.840	17.58
163.860	18.37
163.880	18.93
163.900	17.40
163.920	16.29
163.940	16.14
163.960	17.28
163.980	16.40
164.000	16.74
164.020	19.84
164.040	20.42
164.060	22.05
164.080	22.58
164.100	23.87
164.120	21.71
164.140	20.49
164.160	20.23
164.180	19.26
164.200	18.89
164.220	13.88
164.235	15.07
164.255	21.84
164.275	22.66
164.295	19.09
164.315	17.96
164.335	14.30
164.355	18.05
164.375	19.30
164.395	19.56
164.415	18.02
164.435	18.40
164.455	19.03
164.475	18.64
164.495	19.02
164.515	18.61
164.535	16.84
164.555	16.37
164.575	16.47
164.595	17.26
164.615	19.98
164.635	19.17
164.655	18.47
164.675	18.81
164.695	16.91
164.715	16.50
164.735	16.61
164.755	15.79
164.775	16.10
164.795	16.70
164.815	16.83
164.835	17.84
164.855	18.09
164.875	18.93
164.895	18.17
164.915	19.36
164.935	20.11
164.955	20.05
164.975	20.12
164.995	20.60
165.015	22.40
165.035	22.78
165.055	22.04
165.075	20.96
165.095	24.26
165.115	20.86
165.135	20.27
165.155	19.32
165.175	19.20
165.195	17.69
165.215	16.89
165.235	16.48
165.255	18.00
165.275	19.33
165.295	19.43
165.315	17.76
165.335	16.17
165.355	14.76
165.375	14.26
165.395	18.42
165.415	19.37
165.435	23.48
165.455	25.62
165.475	24.41
165.495	17.77
165.515	15.77
165.535	13.62
165.555	18.98
165.575	18.52
165.595	18.93
165.615	16.54
165.635	15.81
165.655	19.24
165.675	19.80
165.695	19.45
165.715	18.46
165.735	17.87
165.755	17.35
165.775	18.03
165.795	17.94
165.815	17.88
165.835	17.46
165.855	17.11
165.875	15.66
165.895	16.87
165.915	19.64
165.935	21.29
165.955	20.38
165.975	18.95
165.995	18.31
166.015	17.36
166.035	17.25
166.055	16.73
166.075	17.70
166.095	18.32
166.115	21.52
166.135	22.69
166.155	21.46
166.175	21.20
166.195	20.80
166.220	17.26
166.240	17.55
166.260	17.65
166.280	16.58
166.300	17.91
166.320	19.73
166.340	19.31
166.360	19.42
166.380	22.56
166.400	21.60
166.420	20.50
166.440	19.56
166.460	17.28
166.480	17.08
166.500	16.67
166.520	17.33
166.540	18.10
166.560	18.81
166.580	19.54
166.600	19.80
166.620	18.37
166.640	17.72
166.660	17.52
166.680	17.38
166.700	16.57
166.720	16.56
166.740	16.82
166.760	17.11
166.780	17.71
166.800	17.84
166.820	18.24
166.840	17.29
166.860	16.95
166.880	16.31
166.900	16.20
166.920	16.54
166.940	16.17
166.960	17.17
166.980	17.44
167.000	18.66
167.020	19.06
167.040	20.28
167.060	21.31
167.080	23.95
167.100	23.12
167.120	21.30
167.140	19.94
167.160	19.48
167.180	18.61
167.200	18.46
167.220	17.45
167.240	18.89
167.260	19.12
167.280	19.12
167.300	18.04
167.320	19.04
167.340	18.92
167.360	17.85
167.380	18.04
167.400	17.87
167.420	18.82
167.440	19.01
167.460	19.77
167.480	20.45
167.500	20.28
167.520	20.07
167.540	20.44
167.560	19.55
167.580	18.48
167.600	18.07
167.620	16.75
167.640	15.28
167.660	14.72
167.680	14.31
167.700	16.52
167.720	17.65
167.740	18.26
167.760	19.00
167.780	17.63
167.800	19.36
167.820	19.73
167.840	21.10
167.860	18.86
167.880	14.18
167.900	18.19
167.920	20.06
167.940	22.43
167.960	19.53
167.980	17.91
168.000	19.44
168.020	21.70
168.040	22.39
168.060	18.62
168.080	14.17
168.100	16.16
168.120	18.73
168.140	19.28
168.160	21.28
168.180	19.53
168.200	18.60
168.220	18.55
168.240	17.68
168.260	17.67
168.280	16.93
168.300	15.92
168.320	18.12
168.340	18.93
168.360	20.81
168.380	21.65
168.400	20.47
168.420	19.95
168.440	14.09
168.460	12.92
168.480	21.11
168.500	20.94
168.520	20.89
168.540	19.42
168.560	23.04
168.580	22.58
168.600	20.54
168.620	21.76
168.640	20.19
168.660	21.65
168.680	21.98
168.700	22.45
168.720	24.41
168.740	26.07
168.760	26.10
168.780	25.89
168.800	27.16
168.820	26.90
168.840	26.70
168.860	26.48
168.880	24.44
168.900	20.59
168.920	20.90
168.940	20.68
168.960	21.18
168.980	21.37
169.000	22.95
169.020	22.70
169.040	25.13
169.060	24.17
169.080	25.49
169.100	25.12
169.120	21.56
169.140	16.95
169.160	20.25
169.180	19.89
169.200	17.30
169.220	17.46
169.240	17.88
169.260	18.84
169.280	20.31
169.300	20.40
169.320	21.71
169.340	20.34
169.360	18.25
169.380	18.06
169.400	17.73
169.420	17.31
169.440	17.47
169.460	17.87
169.480	18.35
169.500	16.62
169.520	16.49
169.540	18.14
169.560	18.46
169.580	18.85
169.600	18.88
169.620	18.22
169.640	19.34
169.660	19.71
169.680	21.65
169.700	21.81
169.720	24.97
169.740	28.19
169.760	30.84
169.780	26.49
169.800	23.30
169.820	20.79
169.840	20.01
169.860	19.22
169.880	19.91
169.900	20.28
169.920	20.36
169.940	20.58
169.960	19.85
169.980	20.01
170.000	21.15
170.020	21.76
170.040	21.48
170.060	21.06
170.080	20.53
170.100	19.93
170.120	19.45
170.140	18.80
170.160	17.86
170.180	17.93
170.200	18.07
170.220	18.18
170.240	16.78
170.260	15.28
170.280	13.81
170.320	14.84
170.340	17.90
170.360	18.57
170.380	18.06
170.400	18.23
170.420	19.43
170.440	13.44
170.460	18.15
170.480	19.07
170.500	20.14
170.520	20.18
170.540	21.68
170.560	19.33
170.580	18.66
170.600	18.74
170.620	18.21
170.640	18.90
170.660	19.06
170.680	21.65
170.700	23.27
170.720	22.28
170.740	22.32
170.760	21.10
170.780	20.65
170.800	19.20
170.820	19.14
170.840	20.00
170.860	19.80
170.880	19.81
170.900	19.90
170.920	20.28
170.940	19.97
170.960	20.11
170.980	19.98
171.000	21.22
171.020	21.93
171.040	20.73
171.060	18.60
171.080	16.00
171.100	12.60
171.120	10.50
171.140	10.08
171.160	9.81
171.180	11.77
171.200	13.75
171.220	15.54
171.240	17.18
171.260	19.11
171.280	19.96
171.300	22.35
171.320	20.06
171.340	20.90
171.360	21.72
171.380	21.77
171.400	20.62
171.420	19.81
171.440	20.49
171.460	20.51
171.480	21.88
171.500	22.34
171.520	22.60
171.540	22.96
171.560	20.50
171.580	21.22
171.600	20.52
171.620	18.44
171.640	15.13
171.660	15.41
171.680	17.46
171.700	18.23
171.720	16.93
171.740	19.06
171.760	20.38
171.780	19.98
171.800	20.16
171.820	19.50
171.840	19.00
171.860	20.35
171.880	20.30
171.900	21.35
171.920	21.15
171.940	21.23
171.960	22.11
171.980	23.66
172.000	24.82
172.020	26.51
172.040	27.23
172.060	27.64
172.090	20.03
172.110	25.26
172.130	24.30
172.150	21.27
172.170	20.31
172.190	22.05
172.210	20.35
172.230	19.67
172.250	20.54
172.270	20.86
172.290	22.35
172.310	26.08
172.330	25.12
172.350	24.22
172.370	23.27
172.390	23.28
172.410	22.31
172.430	20.65
172.450	18.85
172.470	19.45
172.490	19.50
172.510	21.22
172.530	20.50
172.550	19.12
172.570	17.09
172.590	17.64
172.610	17.02
172.630	17.52
172.650	19.50
172.670	20.20
172.690	18.76
172.710	20.21
172.730	22.20
172.750	22.10
172.770	20.28
172.790	19.81
172.810	20.09
172.830	19.82
172.850	21.00
172.870	19.67
172.890	18.93
172.910	20.22
172.930	20.54
172.950	22.11
172.970	21.83
172.990	21.24
173.010	21.31
173.030	22.34
173.050	20.85
173.070	20.74
173.090	20.41
173.110	20.62
173.130	18.35
173.150	19.08
173.170	19.16
173.190	20.76
173.210	22.05
173.230	22.02
173.250	23.38
173.270	25.24
173.290	25.47
173.310	23.30
173.330	20.89
173.350	20.22
173.370	19.63
173.390	18.17
173.410	19.16
173.430	19.48
173.450	19.04
173.470	19.82
173.490	20.20
173.510	18.79
173.530	18.34
173.550	17.56
173.570	18.75
173.590	18.09
173.610	18.12
173.630	18.24
173.650	17.94
173.670	18.78
173.690	18.41
173.710	20.43
173.730	20.03
173.750	19.18
173.770	18.74
173.790	17.41
173.810	16.59
173.830	13.29
173.850	11.45
173.870	11.34
173.890	11.27
173.910	12.85
173.950	14.32
173.970	17.00
173.990	19.01
174.010	17.89
174.030	18.10
174.050	19.82
174.070	18.69
174.090	19.54
174.110	21.34
174.130	20.63
174.150	20.04
174.170	20.25
174.190	19.81
174.210	19.62
174.230	19.26
174.250	19.29
174.270	19.98
174.290	21.98
174.310	23.25
174.330	24.30
174.350	20.94
174.370	19.75
174.390	22.49
174.410	23.42
174.430	22.69
174.450	21.52
174.470	19.91
174.490	19.73
174.510	19.14
174.530	16.84
174.550	16.10
174.570	15.77
174.590	14.53
174.610	15.33
174.630	16.46
174.650	17.46
174.670	18.29
174.690	19.56
174.710	21.29
174.730	21.79
174.750	18.73
174.770	20.24
174.790	18.51
174.810	19.33
174.830	19.21
174.850	18.51
174.870	19.29
174.890	18.64
174.910	16.02
174.930	18.12
174.950	18.96
174.970	20.97
174.990	22.41
175.010	21.27
175.030	19.03
175.050	18.26
175.070	18.90
175.090	17.58
175.110	18.35
175.130	19.39
175.150	20.98
175.170	21.23
175.190	21.40
175.210	20.48
175.230	19.40
175.250	19.88
175.270	21.41
175.290	21.13
175.310	20.65
175.330	19.01
175.350	20.02
175.370	20.46
175.390	19.83
175.410	19.54
175.430	19.67
175.450	18.17
175.470	19.17
175.490	20.52
175.510	19.17
175.530	19.77
175.550	19.99
175.570	22.61
175.590	24.06
175.610	22.52
175.630	20.19
175.650	20.07
175.670	19.55
175.690	18.68
175.710	17.07
175.730	16.13
175.750	16.03
175.770	18.55
175.790	16.18
175.810	20.81
175.830	20.86
175.850	19.17
175.870	19.72
175.890	18.72
175.910	17.61
175.930	17.49
175.950	18.16
175.970	18.24
175.990	19.48
176.010	20.97
176.030	19.28
176.050	19.09
176.070	19.27
176.090	18.73
176.110	18.25
176.130	17.22
176.150	17.48
176.170	17.73
176.190	18.13
176.210	19.16
176.230	18.95
176.250	16.33
176.270	15.95
176.290	17.43
176.310	17.66
176.330	17.39
176.350	17.98
176.370	16.93
176.390	17.90
176.410	19.38
176.430	18.07
176.450	18.32
176.470	18.31
176.490	18.38
176.510	17.10
176.530	17.17
176.550	17.25
176.570	16.54
176.590	13.83
176.610	12.57
176.630	16.19
176.650	20.05
176.670	20.40
176.690	20.35
176.710	19.04
176.730	19.19
176.750	17.11
176.770	15.75
176.790	17.29
176.810	18.09
176.830	19.93
176.850	23.68
176.870	23.67
176.890	24.01
176.910	24.12
176.930	22.38
176.950	21.36
176.970	20.00
176.990	19.04
177.010	19.40
177.030	20.07
177.050	21.97
177.070	22.33
177.090	21.07
177.110	20.17
177.130	19.30
177.150	18.88
177.170	18.17
177.190	17.71
177.210	17.46
177.230	16.06
177.250	14.97
177.270	19.72
177.290	15.34
177.310	15.05
177.330	15.72
177.350	14.48
177.370	13.91
177.390	13.27
177.410	13.32
177.430	12.51
177.450	13.47
177.470	16.73
177.490	19.48
177.510	22.15
177.530	21.56
177.550	20.61
177.570	19.09
177.590	19.05
177.610	19.78
177.630	19.74
177.650	18.92
177.670	19.77
177.700	16.77
177.720	20.07
177.740	19.70
177.760	19.75
177.780	19.13
177.800	19.21
177.820	17.58
177.840	17.09
177.860	18.11
177.880	18.76
177.900	19.50
177.920	20.39
177.940	19.90
177.960	18.02
177.980	18.22
178.000	19.93
178.020	21.99
178.040	23.33

Only the first 2000 rows were shown. To view the complete dataset, download it as tab-delimited text. You can still view the full matrix in your browser, but be aware that this may crash the browser due to the huge size.