Clifford, Heather; Spaulding, Nicole; Kurbatov, Andrei; More, Alexander; Korotkikh, Elena; Sneed, Sharon B; Handley, Kim M; Maasch, Kirk A; Loveluck, Christopher; Chaplin, Joyce; McCormick, Michael; Mayewski, Paul (2019): (Figure 3) Principle component analysis on annually averaged ICP-MS/IC measurements from ice core KCC from Colle Gnifetti [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.908564, In supplement to: Clifford, Heather; Spaulding, Nicole; Kurbatov, Andrei; More, Alexander; Korotkikh, Elena; Sneed, Sharon B; Handley, Kim M; Maasch, Kirk A; Loveluck, Christopher; Chaplin, Joyce; McCormick, Michael; Mayewski, Paul Andrew (2019): A 2000 Year Saharan Dust Event Proxy Record from an Ice Core in the European Alps. Journal of Geophysical Research: Atmospheres, 124(23), 12882-12900, https://doi.org/10.1029/2019JD030725
Always quote citation above when using data! You can download the citation in several formats below.
Coverage:
Latitude: 45.928930 * Longitude: 7.876260
Date/Time Start: 2013-08-04T00:00:00 * Date/Time End: 2013-08-11T00:00:00
Minimum Elevation: 4484.0 m * Maximum Elevation: 4484.0 m
Event(s):
Colle_Gnifetti_KCC * Latitude: 45.928930 * Longitude: 7.876260 * Date/Time Start: 2013-08-04T00:00:00 * Date/Time End: 2013-08-11T00:00:00 * Elevation: 4484.0 m * Recovery: 71.95 m (including 1.6 m snow pit) * Location: Colle Gnifetti, Monte Rosa, Swiss Alps * Method/Device: Ice drill (ICEDRILL) * Comment: Storage: at -20°C in isolating polystyrene boxes. Institutes involved in drilling, processing and funding: Heidelberg University (D), Institute of Environmental Physics (leading institute); University of Bern (CH), Physics Institute, Climate and Environmental Physics (Remo Walther, Samuel Marending, Jakob Schwander); University of Maine (US), Climate Change Institute; University of Fribourg (CH); Alfred-Wegener-Institut Helmholtz-Zentrum für Meeres- und Polarforschung (D). Recovery and analysis of the KCC ice core, associated written records, and interpretation were supported by the Arcadia Fund of London, Harvard University, Initiative for the Science of the Human Past.
Comment:
Dataset corresponds to Figure 3 in the final manuscript. Annually averaged ICP-MS/IC measurements from 1780-2006 C.E. analyzed using a principle component analysis from the sci-kit (v0.20.2) module in Python3.6
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Age | Age | a AD/CE | Clifford, Heather | ||
| 2 | AGE | Age | ka BP | Clifford, Heather | Geocode | |
| 3 | Factor 1 | PC1 | Clifford, Heather | 47% Variance | ||
| 4 | Factor 2 | PC2 | Clifford, Heather | 16% Variance | ||
| 5 | Factor 3 | PC3 | Clifford, Heather | 12% Variance |
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Size:
908 data points
Data
| 1 Age [a AD/CE] | 2 Age [ka BP] | 3 PC1 | 4 PC2 | 5 PC3 |
|---|---|---|---|---|
| 1780 | 0.170 | 3.382879 | -5.030036 | -2.387358 |
| 1781 | 0.169 | 3.389890 | -5.009088 | -2.385951 |
| 1782 | 0.168 | -0.092385 | -3.479413 | -1.337200 |
| 1783 | 0.167 | 1.360358 | -3.823669 | -1.475793 |
| 1784 | 0.166 | -2.585729 | -2.697588 | -0.300727 |
| 1785 | 0.165 | -3.435712 | -2.393611 | -0.635145 |
| 1786 | 0.164 | 0.145297 | -3.858404 | -1.101867 |
| 1787 | 0.163 | 9.498984 | -7.377728 | 1.420288 |
| 1788 | 0.162 | 9.994970 | -7.114301 | -2.815988 |
| 1789 | 0.161 | -1.549105 | -2.824995 | -1.048939 |
| 1790 | 0.160 | -1.854236 | -2.644694 | -1.138589 |
| 1791 | 0.159 | -4.204161 | -1.791143 | -0.470063 |
| 1792 | 0.158 | -4.273532 | -2.022106 | -0.486479 |
| 1793 | 0.157 | -3.927814 | -1.811719 | -0.722372 |
| 1794 | 0.156 | -3.919752 | -2.236284 | -0.089390 |
| 1795 | 0.155 | -3.715004 | -2.015559 | -0.309674 |
| 1796 | 0.154 | -3.510256 | -1.794834 | -0.529957 |
| 1797 | 0.153 | -3.459951 | -1.849190 | -0.564839 |
| 1798 | 0.152 | -3.360818 | -1.839814 | -0.553270 |
| 1799 | 0.151 | -2.778123 | -1.882531 | -0.309946 |
| 1800 | 0.150 | -4.111018 | -1.691732 | -0.670634 |
| 1801 | 0.149 | -3.719383 | -1.629255 | -0.549574 |
| 1802 | 0.148 | -3.323692 | -1.917848 | -0.856232 |
| 1803 | 0.147 | -2.928000 | -2.206440 | -1.162891 |
| 1804 | 0.146 | -2.951168 | -2.146749 | 0.081978 |
| 1805 | 0.145 | -4.026924 | -1.555261 | -0.630599 |
| 1806 | 0.144 | -3.676391 | -1.788298 | -0.679422 |
| 1807 | 0.143 | -2.163677 | -1.946092 | -1.024871 |
| 1808 | 0.142 | -3.013543 | -1.770102 | -0.743282 |
| 1809 | 0.141 | -3.652203 | -1.842356 | -0.322975 |
| 1810 | 0.140 | -3.777840 | -1.452969 | -0.625839 |
| 1811 | 0.139 | -3.783966 | -1.438600 | -0.703915 |
| 1812 | 0.138 | -3.753154 | -1.406781 | -0.641791 |
| 1813 | 0.137 | -3.674839 | -1.455723 | -0.328701 |
| 1814 | 0.136 | -3.661884 | -1.415113 | -0.703752 |
| 1815 | 0.135 | -4.010015 | -1.822691 | -0.149045 |
| 1816 | 0.134 | -3.666317 | -1.444546 | 0.132638 |
| 1817 | 0.133 | -3.989856 | -1.365539 | -0.629643 |
| 1818 | 0.132 | -3.874889 | -1.412557 | -0.688975 |
| 1819 | 0.131 | -3.293225 | -1.996074 | -0.151530 |
| 1820 | 0.130 | -1.125128 | -2.615294 | 1.055649 |
| 1821 | 0.129 | -1.695802 | -2.034020 | -0.962718 |
| 1822 | 0.128 | -1.451831 | -2.020586 | -0.922661 |
| 1823 | 0.127 | -3.013579 | -1.446045 | -0.685574 |
| 1824 | 0.126 | -3.233844 | -1.540428 | -0.496400 |
| 1825 | 0.125 | -3.232310 | -1.413499 | -0.664158 |
| 1826 | 0.124 | -0.461179 | -2.217242 | -0.609965 |
| 1827 | 0.123 | -1.400919 | -1.746729 | -0.430160 |
| 1828 | 0.122 | -2.668795 | -1.169403 | -0.512611 |
| 1829 | 0.121 | -0.578158 | -2.860151 | 5.057292 |
| 1830 | 0.120 | 1.512479 | -4.550899 | 10.627194 |
| 1831 | 0.119 | -1.508084 | -2.085884 | -0.329348 |
| 1832 | 0.118 | -0.372412 | -2.095896 | -0.800686 |
| 1833 | 0.117 | 6.907445 | -7.618787 | 14.890410 |
| 1834 | 0.116 | -1.527375 | -2.510965 | 0.361303 |
| 1835 | 0.115 | -2.510486 | -1.468435 | -0.305558 |
| 1836 | 0.114 | -3.056816 | -1.227353 | 0.173548 |
| 1837 | 0.113 | -2.562438 | -1.293613 | -0.815070 |
| 1838 | 0.112 | -1.645647 | -1.668650 | 0.779698 |
| 1839 | 0.111 | -3.464611 | -1.586499 | 0.579311 |
| 1840 | 0.110 | -1.822692 | -1.302678 | -0.828367 |
| 1841 | 0.109 | -2.046579 | -0.778624 | -0.655506 |
| 1842 | 0.108 | -3.134712 | -0.698451 | -0.577216 |
| 1843 | 0.107 | -2.679557 | -0.905482 | -0.813772 |
| 1844 | 0.106 | -2.330469 | -1.167094 | -0.341588 |
| 1845 | 0.105 | -2.524555 | -0.960492 | -0.729374 |
| 1846 | 0.104 | -2.212236 | -1.098068 | -0.320858 |
| 1847 | 0.103 | -0.376305 | -1.288782 | -1.081112 |
| 1848 | 0.102 | -0.652197 | -1.204549 | -0.981134 |
| 1849 | 0.101 | -0.597572 | -1.024838 | -0.798848 |
| 1850 | 0.100 | -0.760886 | -0.964551 | -0.871322 |
| 1851 | 0.099 | -1.149228 | -1.221679 | -0.991638 |
| 1852 | 0.098 | -1.923942 | -1.098334 | -0.749372 |
| 1853 | 0.097 | -2.811618 | -0.531149 | -0.545607 |
| 1854 | 0.096 | -0.503575 | -1.399851 | -0.002608 |
| 1855 | 0.095 | -0.664959 | -0.974362 | -0.817946 |
| 1856 | 0.094 | 0.615100 | -1.623942 | -0.768969 |
| 1857 | 0.093 | -2.990013 | -0.460429 | -0.556928 |
| 1858 | 0.092 | -0.711239 | -0.394887 | -0.428090 |
| 1859 | 0.091 | 0.740650 | -1.712054 | 2.059321 |
| 1860 | 0.090 | 1.335887 | -2.292127 | 2.829521 |
| 1861 | 0.089 | -0.303654 | -1.171330 | -0.766150 |
| 1862 | 0.088 | -1.154124 | -0.934565 | 1.007823 |
| 1863 | 0.087 | -1.691041 | -0.438672 | 1.657805 |
| 1864 | 0.086 | -0.831304 | -1.101954 | 1.071083 |
| 1865 | 0.085 | -3.332544 | -0.250042 | -0.439321 |
| 1866 | 0.084 | -1.559136 | -0.763794 | 1.579043 |
| 1867 | 0.083 | -0.581302 | -0.476734 | 0.271251 |
| 1868 | 0.082 | -2.324691 | -0.141700 | -0.362210 |
| 1869 | 0.081 | -3.119866 | -0.298639 | -0.594414 |
| 1870 | 0.080 | -0.505601 | -0.968587 | -0.884492 |
| 1871 | 0.079 | -2.985655 | -0.247217 | -0.490988 |
| 1872 | 0.078 | -3.566909 | -0.084235 | -0.504478 |
| 1873 | 0.077 | -1.867743 | -0.418648 | 0.490616 |
| 1874 | 0.076 | -2.532839 | 0.122265 | -0.258758 |
| 1875 | 0.075 | -1.878599 | -0.345424 | -0.261937 |
| 1876 | 0.074 | 1.301712 | -2.336732 | 6.533772 |
| 1877 | 0.073 | -2.780821 | -0.000091 | -0.478659 |
| 1878 | 0.072 | -2.777817 | -0.110532 | -0.373446 |
| 1879 | 0.071 | -3.053247 | -0.103649 | -0.617231 |
| 1880 | 0.070 | -1.995517 | -0.807672 | 1.526997 |
| 1881 | 0.069 | -2.909026 | -0.101541 | -0.751269 |
| 1882 | 0.068 | -1.806894 | -0.177870 | -0.561577 |
| 1883 | 0.067 | -0.101674 | -0.694699 | -0.821540 |
| 1884 | 0.066 | -1.607157 | -0.386284 | -0.725381 |
| 1885 | 0.065 | -2.691663 | 0.161167 | -0.318168 |
| 1886 | 0.064 | -2.270898 | 0.257226 | -0.239463 |
| 1887 | 0.063 | -2.921819 | 0.005233 | -0.618051 |
| 1888 | 0.062 | -2.239039 | -0.086653 | -0.630867 |
| 1889 | 0.061 | -1.815740 | 0.177634 | -0.469076 |
| 1890 | 0.060 | 1.209006 | -0.511006 | -1.269686 |
| 1891 | 0.059 | 6.235644 | -2.959597 | -3.060983 |
| 1892 | 0.058 | 4.636979 | -2.145180 | -2.329123 |
| 1893 | 0.057 | -2.176023 | 0.647295 | -0.292863 |
| 1894 | 0.056 | -2.649937 | 0.393988 | -0.403371 |
| 1895 | 0.055 | -3.064136 | 0.562757 | -0.352793 |
| 1896 | 0.054 | -2.197069 | 0.213794 | -0.214801 |
| 1897 | 0.053 | 5.819225 | -2.430579 | -1.795668 |
| 1898 | 0.052 | -1.669211 | 0.611911 | 0.725725 |
| 1899 | 0.051 | -1.926265 | 0.608671 | -0.511490 |
| 1900 | 0.050 | -0.416476 | -0.272651 | -1.308871 |
| 1901 | 0.049 | -2.199000 | 0.899245 | -0.259344 |
| 1902 | 0.048 | -0.109548 | 1.142030 | 0.118965 |
| 1903 | 0.047 | -3.016474 | 0.747803 | -0.425613 |
| 1904 | 0.046 | -0.982265 | 1.232178 | -0.202104 |
| 1905 | 0.045 | -2.352850 | 0.735784 | 0.437797 |
| 1906 | 0.044 | -2.870081 | 0.628693 | -0.439271 |
| 1907 | 0.043 | -2.120090 | 0.958953 | -0.123343 |
| 1908 | 0.042 | -2.050048 | 1.098280 | 0.165196 |
| 1909 | 0.041 | -2.673553 | 1.010677 | 0.548396 |
| 1910 | 0.040 | -2.836546 | 1.215017 | -0.138621 |
| 1911 | 0.039 | -1.586706 | 0.776130 | -0.355529 |
| 1912 | 0.038 | -2.769301 | 1.088986 | -0.217578 |
| 1913 | 0.037 | -1.427915 | 0.522137 | 1.112243 |
| 1914 | 0.036 | -1.927014 | 0.735168 | 1.077789 |
| 1915 | 0.035 | 5.584640 | -2.663186 | 9.980553 |
| 1916 | 0.034 | -0.446112 | 1.492911 | 0.151683 |
| 1917 | 0.033 | 7.953957 | -1.189211 | 12.188938 |
| 1918 | 0.032 | -1.148732 | 1.522163 | 0.270298 |
| 1919 | 0.031 | -2.430638 | 0.954532 | 0.353662 |
| 1920 | 0.030 | 1.167362 | -0.225049 | -0.549820 |
| 1921 | 0.029 | 2.848771 | -0.911672 | 5.612153 |
| 1922 | 0.028 | 5.160488 | 1.091484 | -0.618490 |
| 1923 | 0.027 | 1.324877 | 0.117503 | -1.002043 |
| 1924 | 0.026 | -0.947495 | 1.369312 | -0.196181 |
| 1925 | 0.025 | 5.058500 | 0.189637 | -1.413289 |
| 1926 | 0.024 | 2.315111 | -1.065479 | 3.648131 |
| 1927 | 0.023 | -0.145277 | 0.760883 | -0.029576 |
| 1928 | 0.022 | -1.819630 | 1.853928 | -0.041946 |
| 1929 | 0.021 | -2.365167 | 1.397894 | -0.151225 |
| 1930 | 0.020 | 0.281824 | 1.099350 | -0.430290 |
| 1931 | 0.019 | -2.782303 | 1.257930 | -0.409840 |
| 1932 | 0.018 | -1.387638 | 1.598933 | -0.009504 |
| 1933 | 0.017 | 1.141439 | 0.804414 | -0.894144 |
| 1934 | 0.016 | -0.822310 | 1.339745 | 0.034422 |
| 1935 | 0.015 | 1.216091 | 0.793879 | 1.705832 |
| 1936 | 0.014 | 0.221055 | 1.023399 | -0.337609 |
| 1937 | 0.013 | 15.854201 | -2.233932 | -2.754449 |
| 1938 | 0.012 | 0.002499 | 2.087401 | 0.512672 |
| 1939 | 0.011 | 1.386072 | 1.052795 | 1.065696 |
| 1940 | 0.010 | 0.763883 | 0.667500 | -0.940625 |
| 1941 | 0.009 | 4.696500 | -0.125449 | -1.178690 |
| 1942 | 0.008 | 2.084209 | -0.163560 | -1.283148 |
| 1943 | 0.007 | 23.686326 | -6.931413 | -4.904962 |
| 1944 | 0.006 | -0.302464 | 2.019350 | 0.235075 |
| 1945 | 0.005 | -2.111295 | 1.750204 | -0.191422 |
| 1946 | 0.004 | 1.738635 | 2.666558 | 0.520776 |
| 1947 | 0.003 | -1.401211 | 1.779999 | -0.033083 |
| 1948 | 0.002 | -0.383165 | 0.886677 | -0.588219 |
| 1949 | 0.001 | -0.642748 | 1.672278 | -0.181249 |
| 1950 | 0.000 | 2.020114 | 1.202729 | -0.714656 |
| 1951 | -0.001 | 2.863540 | 1.345401 | -0.456250 |
| 1952 | -0.002 | 1.759758 | 1.633998 | -0.477819 |
| 1953 | -0.003 | -0.131038 | 2.110037 | -0.153879 |
| 1954 | -0.004 | 2.893327 | 3.364249 | 0.750006 |
| 1955 | -0.005 | -1.365208 | 1.888469 | -0.086272 |
| 1956 | -0.006 | 1.270740 | 2.578942 | 0.594155 |
| 1957 | -0.007 | 4.220248 | 3.648044 | 1.461138 |
| 1958 | -0.008 | 4.479748 | 2.179018 | 1.397380 |
| 1959 | -0.009 | 0.678107 | 3.232920 | 0.620101 |
| 1960 | -0.010 | -0.228057 | 2.363821 | -0.008845 |
| 1961 | -0.011 | -0.537961 | 2.630028 | 0.092951 |
| 1962 | -0.012 | -0.772722 | 3.018211 | 0.277733 |
| 1963 | -0.013 | -1.035310 | 3.313103 | 0.403586 |
| 1964 | -0.014 | 4.587524 | 5.008847 | 1.238623 |
| 1965 | -0.015 | -1.796603 | 2.616084 | 0.295798 |
| 1966 | -0.016 | -1.036279 | 2.541734 | 0.406655 |
| 1967 | -0.017 | 7.083977 | 3.408575 | 0.356677 |
| 1968 | -0.018 | -0.067927 | 3.274242 | 0.476896 |
| 1969 | -0.019 | 2.393404 | 1.974498 | -0.585537 |
| 1970 | -0.020 | 5.233433 | 3.560182 | -0.096183 |
| 1971 | -0.021 | 1.691057 | 3.824947 | 0.178125 |
| 1972 | -0.022 | 4.267568 | 6.113719 | 1.202293 |
| 1973 | -0.023 | 7.737072 | 8.664023 | 2.716335 |
| 1974 | -0.024 | 5.148733 | 6.818337 | 1.633342 |
| 1975 | -0.025 | -0.785834 | 2.087092 | -0.640703 |
| 1976 | -0.026 | -1.136315 | 2.284368 | -0.223944 |
| 1977 | -0.027 | 20.960295 | -3.983752 | -6.201969 |
| 1978 | -0.028 | 0.143544 | 3.203441 | 0.119039 |
| 1979 | -0.029 | 1.027825 | 2.840792 | -0.152463 |
| 1980 | -0.030 | 5.728312 | 3.380726 | -0.452705 |
| 1981 | -0.031 | 5.581611 | 1.758200 | -0.978605 |
| 1982 | -0.032 | 6.046502 | 1.616965 | -0.795444 |
| 1983 | -0.033 | 6.362415 | 1.910165 | -0.464562 |
| 1984 | -0.034 | 7.482625 | 0.542711 | -2.295986 |
| 1985 | -0.035 | 3.300014 | 1.131289 | -1.099840 |
| 1986 | -0.036 | 4.113224 | 3.195452 | -0.518612 |
| 1987 | -0.037 | 2.129610 | 2.630222 | -0.572234 |
| 1988 | -0.038 | 0.949381 | 3.131384 | -0.112428 |
| 1989 | -0.039 | -0.757097 | 2.881157 | -0.034200 |
| 1990 | -0.040 | -0.235214 | 3.533425 | 0.337728 |
| 1991 | -0.041 | 2.512578 | 2.047214 | -0.826219 |
| 1992 | -0.042 | 0.842757 | 1.689685 | 3.901782 |
| 1993 | -0.043 | 7.483897 | 0.853358 | 3.379525 |
| 1994 | -0.044 | 16.046562 | -0.815194 | -3.359374 |
| 1995 | -0.045 | 2.463701 | 1.941039 | -0.863797 |
| 1996 | -0.046 | -1.590234 | 2.689999 | -0.233456 |
| 1997 | -0.047 | -0.462077 | 2.971511 | 0.111355 |
| 1998 | -0.048 | -0.835916 | 3.095802 | 0.050072 |
| 1999 | -0.049 | 1.413609 | 3.260828 | 0.168955 |
| 2000 | -0.050 | 6.288318 | 0.548710 | -1.960304 |
| 2001 | -0.051 | 2.732280 | 2.617845 | -0.236780 |
| 2002 | -0.052 | 1.300499 | 3.905040 | 0.477009 |
| 2003 | -0.053 | -0.209082 | 3.165787 | 0.052450 |
| 2004 | -0.054 | 2.320693 | 3.146879 | 0.275931 |
| 2005 | -0.055 | 4.595347 | 3.155128 | 0.216184 |
| 2006 | -0.056 | -1.260695 | 3.214356 | 0.089409 |