# North America Past Two Millennia Diatom-inferred Lake Salinity Data #----------------------------------------------------------------------- # World Data Service for Paleoclimatology, Boulder # and # NOAA Paleoclimatology Program # National Centers for Environmental Information (NCEI) #----------------------------------------------------------------------- # Template Version 3.0 # Encoding: UTF-8 # NOTE: Please cite Publication, and Online_Resource and date accessed when using these data. # If there is no publication information, please cite Investigators, Title, and Online_Resource and date accessed. # # Online_Resource: https://www.ncdc.noaa.gov/paleo/study/23093 # Online_Resource_Description: Landing Page for this study. # # Online_Resource: https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/NAm2kHydro-2017/noaa-templates/data-version-1.0.0/Humboldt.Laird.2003.txt # Online_Resource_Description: This file. NOAA WDS Paleo formatted metadata and data for version 1.0.0 of this dataset. # # Online_Resource: https://www1.ncdc.noaa.gov/pub/data/paleo/pages2k/NAm2kHydro-2017/data-version-1.0.0/Humboldt.Laird.2003.lpd # Online_Resource_Description: Linked Paleo Data (LiPD) formatted file containing the same metadata and data as this file, for version 1.0.0 of this dataset. # # Description/Documentation lines begin with # # Data lines have no # # # Archive: Paleolimnology # Parameter_Keywords: earth science>paleoclimate>reconstructions>lake salinity # Dataset_DOI: # #------------------ # Contribution_Date # Date: 2017-11-13 #------------------ # File_Last_Modified_Date # Modified_Date: 2017-11-13 #------------------ # Title # Study_Name: North America Past Two Millennia Diatom-inferred Lake Salinity Data #------------------ # Investigators # Investigators: Laird, K. R.; Cumming, B. F.; Wunsam, S.; Rusak, J. A.; Oglesby, R. J.; Fritz, S. C.; Leavitt, P. R. #------------------ # Description_Notes_and_Keywords # Description: #------------------ # Publication # Authors: Laird, K. R.; Cumming, B. F.; Wunsam, S.; Rusak, J. A.; Oglesby, R. J.; Fritz, S. C.; Leavitt, P. R. # Published_Date_or_Year: 2003 # Published_Title: Lake sediments record large-scale shifts in moisture regimes across the northern prairies of North America during the past two millennia # Journal_Name: Proceedings of the National Academy of Sciences # Volume: 100 # Edition: # Issue: 5 # Pages: # Report: # DOI: 10.1073/pnas.0530193100 # Online_Resource: doi.org # Full_Citation: # Abstract: #------------------ # Funding_Agency # Funding_Agency_Name: # Grant: #------------------ # Site_Information # Site_Name: Humboldt Lake # Location: Saskatchewan # Country: # Northernmost_Latitude: 52.13 # Southernmost_Latitude: 52.13 # Easternmost_Longitude: -105.1 # Westernmost_Longitude: -105.1 # Elevation: 552 #------------------ # Data_Collection # Collection_Name: Humboldt.Laird.2003 # Earliest_Year: 1894.002 # Most_Recent_Year: -47.962 # Time_Unit: BP # Core_Length: # Notes: #------------------ # Species # Species_Name: # Species_Code: # Common_Name: #------------------ # Chronology: #DepthInCoreTop_mm_CalendarYear_AD_comments #1540.0 375.0 both 1540 and 1545 combined to form a single sample #1545.0 nan [] #1285.0 535.0 [] #1610.0 410.0 [] #1725.0 330.0 [] #270.0 nan this upper sediment sample provided an age for any "old carbon effect" and was used to correct the balance of sediment samples for Humboldt lake #620.0 1255.0 [] #970.0 885.0 extremely sandy sample (~80% very fine organic C) #1325.0 890.0 [] #1670.0 130.0 [] #485.0 100.0 Note: This is the uppermost date shown in the paper # #------------------ # Variables # # Data variables follow that are preceded by "##" in columns one and two. # Data line variables format: Variables list, one per line, shortname-tab-longname-tab-longname components ( 10 components: what, material, error, units, seasonality, archive, detail, method, C or N for Character or Numeric data, additional_information) # ##year age,,,year CE,,,,,N ##salinity lake salinity, ,,g/l, ,climate reconstructions;paleolimnology, , ,N,Diatom-inferred salinity ##age age, , , calendar years before present, , , , ,N ##depth depth, ,,cm, ,, ,,N, # #------------------ # Data: # Data lines follow (have no #) # Data line format - tab-delimited text, variable short name as header) # Missing_Values: nan # year salinity age depth 1997.962 1.227 -47.962 0.0 1997.611 1.387 -47.611 5.0 1997.204 1.452 -47.204 10.0 1996.62 1.324 -46.62 15.0 1996.022 1.355 -46.022 20.0 1995.249 1.127 -45.249 25.0 1994.523 1.042 -44.523 30.0 1993.63 0.953 -43.63 35.0 1992.923 0.938 -42.923 40.0 1992.105 0.676 -42.105 45.0 1991.235 0.7 -41.235 50.0 1990.258 0.621 -40.258 55.0 1989.453 0.716 -39.453 60.0 1988.583 0.665 -38.583 65.0 1987.546 0.802 -37.546 70.0 1986.44 0.679 -36.44 75.0 1985.321 0.638 -35.321 80.0 1984.341 0.708 -34.341 85.0 1983.131 0.836 -33.131 90.0 1981.997 0.767 -31.997 95.0 1980.759 0.906 -30.759 100.0 1979.554 0.822 -29.554 105.0 1978.53 1.151 -28.53 110.0 1977.255 0.971 -27.255 115.0 1975.958 1.132 -25.958 120.0 1974.806 0.851 -24.806 125.0 1973.637 1.291 -23.637 130.0 1972.307 0.929 -22.307 135.0 1970.907 1.019 -20.907 140.0 1969.474 0.793 -19.474 145.0 1967.946 1.016 -17.946 150.0 1966.64 0.887 -16.64 155.0 1965.337 1.216 -15.337 160.0 1964.02 1.297 -14.02 165.0 1962.699 1.419 -12.699 170.0 1961.384 1.297 -11.384 175.0 1960.0 1.629 -10.0 180.0 1958.623 1.422 -8.623 185.0 1957.023 2.35 -7.023 190.0 1955.585 2.158 -5.585 195.0 1954.193 2.729 -4.193 200.0 1952.654 2.582 -2.654 205.0 1951.071 3.334 -1.071 210.0 1949.923 2.328 0.077 215.0 1948.282 4.207 1.718 220.0 1946.613 2.877 3.387 225.0 1945.099 3.855 4.901 230.0 1943.762 2.812 6.238 235.0 1942.441 3.508 7.559 240.0 1941.091 1.4 8.909 245.0 1939.612 2.46 10.388 250.0 1938.523 1.371 11.477 255.0 1937.241 2.564 12.759 260.0 1936.193 1.472 13.807 265.0 1934.735 3.917 15.265 270.0 1933.584 2.818 16.416 275.0 1932.201 5.984 17.799 280.0 1930.761 2.075 19.239 285.0 1929.514 3.327 20.486 290.0 1928.01 1.718 21.99 295.0 1926.659 2.138 23.341 300.0 1925.429 1.3 24.571 305.0 1924.336 1.435 25.664 310.0 1923.153 0.706 26.847 315.0 1921.69 1.507 28.31 320.0 1920.296 0.845 29.704 325.0 1918.943 2.07 31.057 330.0 1917.303 0.875 32.697 335.0 1916.051 2.056 33.949 340.0 1913.952 2.042 36.048 345.0 1912.148 4.955 37.852 350.0 1910.81 4.345 39.19 355.0 1909.407 13.804 40.593 360.0 1907.617 16.904 42.383 365.0 1905.362 24.717 44.638 370.0 1903.208 19.77 46.792 375.0 1900.7 20.184 49.3 380.0 1898.766 19.498 51.234 385.0 1896.291 16.788 53.709 390.0 1893.558 18.155 56.442 395.0 1891.319 22.336 58.681 400.0 1888.702 20.559 61.298 405.0 1886.171 24.66 63.829 410.0 1883.368 17.258 66.632 415.0 1880.675 15.631 69.325 420.0 1878.018 14.521 71.982 425.0 1875.348 15.066 74.652 430.0 1872.891 11.83 77.109 435.0 1870.504 11.429 79.496 440.0 1867.056 12.618 82.944 445.0 1863.94 16.482 86.06 450.0 1861.557 19.861 88.443 455.0 1859.312 14.622 90.688 460.0 1856.872 10.471 93.128 465.0 1855.098 7.43 94.902 470.0 1853.351 7.43 96.649 475.0 1851.684 9.036 98.316 480.0 1849.858 6.982 100.142 485.0 1842.878 9.594 107.122 490.0 1835.898 6.281 114.102 495.0 1828.918 5.636 121.082 500.0 1821.938 5.082 128.062 505.0 1814.958 8.414 135.042 510.0 1807.978 6.138 142.022 515.0 1800.998 12.942 149.002 520.0 1794.018 12.735 155.982 525.0 1787.038 15.996 162.962 530.0 1780.058 9.705 169.942 535.0 1773.078 9.247 176.922 540.0 1766.098 8.204 183.902 545.0 1759.118 10.023 190.882 550.0 1752.138 8.147 197.862 555.0 1745.158 11.482 204.842 560.0 1738.178 10.447 211.822 565.0 1731.198 10.351 218.802 570.0 1724.218 9.397 225.782 575.0 1717.238 10.495 232.762 580.0 1710.258 11.22 239.742 585.0 1703.278 12.912 246.722 590.0 1696.298 12.388 253.702 595.0 1689.318 13.74 260.682 600.0 1682.338 10.069 267.662 605.0 1675.358 8.185 274.642 610.0 1668.378 6.295 281.622 615.0 1661.398 5.284 288.602 620.0 1654.418 5.821 295.582 625.0 1647.438 7.727 302.562 630.0 1640.458 5.636 309.542 635.0 1633.478 8.395 316.522 640.0 1626.498 5.834 323.502 645.0 1619.518 5.395 330.482 650.0 1612.538 4.688 337.462 655.0 1605.558 5.458 344.442 660.0 1598.578 2.999 351.422 665.0 1591.598 3.917 358.402 670.0 1584.618 4.102 365.382 675.0 1577.638 6.622 372.362 680.0 1570.658 4.624 379.342 685.0 1563.678 6.561 386.322 690.0 1556.698 5.176 393.302 695.0 1549.718 5.702 400.282 700.0 1542.738 4.256 407.262 705.0 1535.758 5.808 414.242 710.0 1528.778 4.721 421.222 715.0 1521.798 4.227 428.202 720.0 1514.818 4.246 435.182 725.0 1507.838 4.375 442.162 730.0 1500.858 4.592 449.142 735.0 1493.878 5.483 456.122 740.0 1486.898 5.224 463.102 745.0 1479.918 7.43 470.082 750.0 1472.938 6.871 477.062 755.0 1465.958 10.399 484.042 760.0 1458.978 9.572 491.022 765.0 1451.998 15.241 498.002 770.0 1445.018 12.19 504.982 775.0 1438.038 15.382 511.962 780.0 1431.058 10.495 518.942 785.0 1424.078 17.219 525.922 790.0 1417.098 12.531 532.902 795.0 1410.118 10.74 539.882 800.0 1403.138 5.741 546.862 805.0 1396.158 2.443 553.842 810.0 1389.178 3.365 560.822 815.0 1382.198 4.613 567.802 820.0 1375.218 4.732 574.782 825.0 1368.238 8.63 581.762 830.0 1361.258 8.222 588.742 835.0 1354.278 5.741 595.722 840.0 1347.298 6.124 602.702 845.0 1340.318 5.14 609.682 850.0 1333.338 7.112 616.662 855.0 1326.358 4.207 623.642 860.0 1319.378 2.483 630.622 865.0 1312.398 1.213 637.602 870.0 1305.418 2.692 644.582 875.0 1298.438 3.548 651.562 880.0 1291.458 5.623 658.542 885.0 1284.478 9.333 665.522 890.0 1277.498 9.462 672.502 895.0 1270.518 4.236 679.482 900.0 1263.538 4.966 686.462 905.0 1256.558 6.383 693.442 910.0 1249.578 7.015 700.422 915.0 1242.598 6.152 707.402 920.0 1235.618 5.284 714.382 925.0 1228.638 5.848 721.362 930.0 1221.658 6.039 728.342 935.0 1214.678 3.917 735.322 940.0 1207.698 4.56 742.302 945.0 1200.718 4.831 749.282 950.0 1193.738 5.058 756.262 955.0 1186.758 4.775 763.242 960.0 1179.778 4.345 770.222 965.0 1172.798 4.009 777.202 970.0 1165.818 3.945 784.182 975.0 1158.838 4.667 791.162 980.0 1151.858 4.92 798.142 985.0 1144.878 5.728 805.122 990.0 1137.898 3.758 812.102 995.0 1130.918 3.864 819.082 1000.0 1123.938 2.831 826.062 1005.0 1116.958 6.442 833.042 1010.0 1109.978 5.546 840.022 1015.0 1102.998 10.046 847.002 1020.0 1096.018 11.117 853.982 1025.0 1089.038 11.298 860.962 1030.0 1082.058 15.959 867.942 1035.0 1075.078 13.152 874.922 1040.0 1068.098 8.831 881.902 1045.0 1061.118 5.754 888.882 1050.0 1054.138 4.887 895.862 1055.0 1047.158 3.664 902.842 1060.0 1040.178 3.148 909.822 1065.0 1033.198 2.624 916.802 1070.0 1026.218 2.999 923.782 1075.0 1019.238 2.477 930.762 1080.0 1012.258 3.467 937.742 1085.0 1005.278 5.483 944.722 1090.0 998.298 8.072 951.702 1095.0 991.318 10.186 958.682 1100.0 984.338 11.169 965.662 1105.0 977.358 10.914 972.642 1110.0 970.378 12.331 979.622 1115.0 963.398 13.397 986.602 1120.0 956.418 17.62 993.582 1125.0 949.438 13.583 1000.562 1130.0 942.458 11.94 1007.542 1135.0 935.478 12.359 1014.522 1140.0 928.498 10.544 1021.502 1145.0 921.518 7.798 1028.482 1150.0 914.538 3.828 1035.462 1155.0 907.558 5.07 1042.442 1160.0 900.578 3.273 1049.422 1165.0 893.598 3.006 1056.402 1170.0 886.618 3.048 1063.382 1175.0 879.638 2.506 1070.362 1180.0 872.658 1.282 1077.342 1185.0 865.678 2.576 1084.322 1190.0 858.698 1.072 1091.302 1195.0 851.718 3.35 1098.282 1200.0 844.738 3.02 1105.262 1205.0 837.758 4.345 1112.242 1210.0 830.778 5.284 1119.222 1215.0 823.798 8.995 1126.202 1220.0 816.818 11.169 1133.182 1225.0 809.838 11.614 1140.162 1230.0 802.858 13.49 1147.142 1235.0 795.878 15.631 1154.122 1240.0 788.898 14.622 1161.102 1245.0 781.918 19.454 1168.082 1250.0 774.938 15.417 1175.062 1255.0 767.958 13.772 1182.042 1260.0 760.978 11.588 1189.022 1265.0 753.998 6.31 1196.002 1270.0 747.018 2.234 1202.982 1275.0 740.038 1.791 1209.962 1280.0 733.058 1.698 1216.942 1285.0 726.078 1.622 1223.922 1290.0 719.098 0.845 1230.902 1295.0 712.118 0.793 1237.882 1300.0 705.138 0.771 1244.862 1305.0 698.158 0.662 1251.842 1310.0 691.178 1.486 1258.822 1315.0 684.198 1.936 1265.802 1320.0 677.218 1.56 1272.782 1325.0 670.238 3.083 1279.762 1330.0 663.258 3.776 1286.742 1335.0 656.278 4.477 1293.722 1340.0 649.298 6.383 1300.702 1345.0 642.318 12.882 1307.682 1350.0 635.338 13.521 1314.662 1355.0 628.358 15.311 1321.642 1360.0 621.378 14.791 1328.622 1365.0 614.398 13.964 1335.602 1370.0 607.418 16.634 1342.582 1375.0 600.438 15.136 1349.562 1380.0 593.458 12.589 1356.542 1385.0 586.478 17.824 1363.522 1390.0 579.498 8.933 1370.502 1395.0 572.518 5.164 1377.482 1400.0 565.538 12.589 1384.462 1405.0 558.558 19.32 1391.442 1410.0 551.578 16.982 1398.422 1415.0 544.598 23.659 1405.402 1420.0 537.618 21.429 1412.382 1425.0 530.638 21.979 1419.362 1430.0 523.658 19.634 1426.342 1435.0 516.678 20.654 1433.322 1440.0 509.698 18.45 1440.302 1445.0 502.718 21.086 1447.282 1450.0 495.738 20.417 1454.262 1455.0 488.758 21.777 1461.242 1460.0 481.778 23.988 1468.222 1465.0 474.798 20.137 1475.202 1470.0 467.818 12.853 1482.182 1475.0 460.838 14.125 1489.162 1480.0 453.858 14.859 1496.142 1485.0 446.878 13.49 1503.122 1490.0 439.898 14.093 1510.102 1495.0 432.918 11.143 1517.082 1500.0 425.938 12.218 1524.062 1505.0 418.958 13.032 1531.042 1510.0 411.978 11.298 1538.022 1515.0 404.998 17.378 1545.002 1520.0 398.018 17.742 1551.982 1525.0 391.038 14.06 1558.962 1530.0 384.058 16.255 1565.942 1535.0 377.078 17.061 1572.922 1540.0 370.098 14.997 1579.902 1545.0 363.118 13.092 1586.882 1550.0 356.138 14.689 1593.862 1555.0 349.158 16.827 1600.842 1560.0 342.178 14.355 1607.822 1565.0 335.198 15.812 1614.802 1570.0 328.218 16.144 1621.782 1575.0 321.238 14.689 1628.762 1580.0 314.258 15.276 1635.742 1585.0 307.278 14.191 1642.722 1590.0 300.298 14.256 1649.702 1595.0 293.318 16.069 1656.682 1600.0 286.338 13.397 1663.662 1605.0 279.358 16.293 1670.642 1610.0 272.378 13.996 1677.622 1615.0 265.398 16.634 1684.602 1620.0 258.418 11.561 1691.582 1625.0 251.438 11.482 1698.562 1630.0 244.458 10.544 1705.542 1635.0 237.478 13.614 1712.522 1640.0 230.498 14.997 1719.502 1645.0 223.518 16.943 1726.482 1650.0 216.538 16.069 1733.462 1655.0 209.558 17.742 1740.442 1660.0 202.578 14.928 1747.422 1665.0 195.598 17.66 1754.402 1670.0 188.618 15.276 1761.382 1675.0 181.638 14.655 1768.362 1680.0 174.658 13.646 1775.342 1685.0 167.678 16.904 1782.322 1690.0 160.698 15.596 1789.302 1695.0 153.718 11.376 1796.282 1700.0 146.738 16.482 1803.262 1705.0 139.758 16.711 1810.242 1710.0 132.778 14.588 1817.222 1715.0 125.798 13.996 1824.202 1720.0 118.818 10.864 1831.182 1725.0 111.838 14.125 1838.162 1730.0 104.858 16.331 1845.142 1735.0 97.878 16.634 1852.122 1740.0 90.898 14.454 1859.102 1745.0 83.918 15.136 1866.082 1750.0 76.938 12.303 1873.062 1755.0 69.958 15.668 1880.042 1760.0 62.978 16.032 1887.022 1765.0 55.998 14.825 1894.002 1770.0