# Hughes - Tuolumne Grove - SEGI - ITRDB CA704 #---------------------------------------------------- # World Data Service for Paleoclimatology, Boulder # and # NOAA Paleoclimatology Program # National Centers for Environmental Information (NCEI) #---------------------------------------------------- # Template Version 4.0 # Encoding: UTF-8 # NOTE: Please cite original publication, NOAA Landing Page URL, dataset and publication DOIs (where available), and date accessed when using downloaded data. If there is no publication information, please cite investigator, study title, NOAA Landing Page URL, and date accessed. # # Description/Documentation lines begin with # # Data lines have no # # # NOAA_Landing_Page: https://www.ncei.noaa.gov/access/paleo-search/study/32173 # Landing_Page_Description: NOAA Landing Page of this file's parent study, which includes all study metadata. # # Study_Level_JSON_Metadata: https://www.ncei.noaa.gov/pub/data/metadata/published/paleo/json/noaa-tree-32173.json # Study_Level_JSON_Description: JSON metadata of this data file's parent study, which includes all study metadata. # # Data_Type: Tree Ring # # Dataset_DOI: # # Science_Keywords: #-------------------- # Resource_Links # # Data_Download_Resource: https://www.ncei.noaa.gov/pub/data/paleo/treering/measurements/northamerica/usa/ca704a-crn-noaa.txt # Data_Download_Description: Raw Measurements - NOAA Template File; ca704a-crn-noaa.txt # # Related_Online_Resource: https://www.ncei.noaa.gov/pub/data/paleo/treering/chronologies/northamerica/usa/ca704a.crn # Related_Online_Description: CRN File; Chronology - Tucson Decadal File # #-------------------- # Contribution_Date # Date: 2021-01-03 #-------------------- # File_Last_Modified_Date # Date: 2021-01-03 #-------------------- # Title # Study_Name: Hughes - Tuolumne Grove - SEGI - ITRDB CA704 #-------------------- # Investigators # Investigators: Hughes, M.K.(https://orcid.org/0000-0003-1062-3167); Touchan, R. #-------------------- # Description_Notes_and_Keywords # Description: NOAA Template Raw Measurements file added 2021-02-22. #-------------------- # Publication # Authors: R. Touchan, B. Black, E. Shamir, M.K. Hughes, and D.M. Meko # Journal_Name: Climate Dynamics # Published_Title: A multimillennial snow water equivalent reconstruction from giant sequoia tree rings # Published_Date_or_Year: 2021 # Volume: # Pages: # Issue: # Report_Number: # DOI: 10.1007/s00382-020-05548-0 # Full_Citation: None # Abstract: The first dendroclimatic reconstruction of May 1 snow water equivalent (SWE) was developed from a Sequoiadendron giganteum regional tree-ring chronology network of 23 sites in central California for the period 90-2012 CE. The reconstruction is based on a significant relationship between May 1 SWE and tree-ring growth and shows climate variability from interannual to intercentennial time scales. A regression-based reconstruction equation explains up to 55% of the variance of SWE for 1940-2012. Split-sample validation supports our use of a reconstruction model based on the full period of reliable observational data (1940-2012). Thresholds for May 1 SWE low (15 percentile) and high (80 percentile) years were selected based on the exploratory scatterplots relationship between observed and reconstructed data for the period 1940-2012. The longest period of consecutive low-SWE years in the reconstruction is 2 years and the frequency of the lowest SWE years is highest during the period 710-809 CE. The longest high-SWE period, defined by consecutive wet years, is 3 years (558-560 CE). SWE and its reconstruction positively correlate with northeastern Pacific sea surface temperatures, the low-frequency variability of which may provide some predictive ability. Ultimately, the instrumental record and reconstruction suggest that unlike other sites in the region, twentieth century SWE variability in these Sequoia groves has remained within historical boundaries and relatively buffered from extremes and severe declines, though this is likely to change in coming decades with potentially negative effects on water availability for these trees. #-------------------- # Funding_Agency # Funding_Agency_Name: # Grant: #-------------------- # Site_Information # Site_Name: Tuolumne Grove # Location: California # Northernmost_Latitude: 37.7667 # Southernmost_Latitude: 37.7667 # Easternmost_Longitude: -119.8 # Westernmost_Longitude: -119.8 # Elevation_m: 1700 #-------------------- # Data_Collection # Collection_Name: CA704 # First_Year: 1171 # Last_Year: 1991 # Time_Unit: CE # Core_Length_m: # Parameter_Keywords: ring width # Notes: None #-------------------- # Species # Species_Name: Sequoiadendron giganteum (Lindl.) Buchholz # Common_Name: giant sequoia # Tree_Species_Code: SEGI #-------------------- # Variables # # PaST_Thesaurus_Download_Resource: https://www.ncei.noaa.gov/access/paleo-search/skos/past-thesaurus.rdf # PaST_Thesaurus_Download_Description: Paleoenvironmental Standard Terms (PaST) Thesaurus terms, definitions, and relationships in SKOS format. # # Data variables follow that are preceded by '##' in columns one and two. # Variables format: shortname-tab-var components: what, material, error, units, seasonality, data type, detail, method, C or N for Character or Numeric data) # ## age_CE age,,,year Common Era,,tree ring,,,N, ## trsgi tree ring standardized growth index,,,,,tree ring,composited,standard chronology method,N, ## numsamp number of samples,,,count,,tree ring,,,N, #--------------------- # Data: # Missing_Values: NA age_CE trsgi numsamp 1171 1.032 1 1172 0.906 1 1173 1.049 1 1174 0.961 1 1175 1.171 1 1176 1.015 1 1177 1.13 1 1178 1.116 1 1179 1.115 1 1180 0.972 1 1181 1.09 1 1182 1.14 1 1183 1.075 1 1184 1.026 1 1185 1.197 1 1186 1.198 1 1187 1.051 1 1188 0.788 1 1189 0.743 1 1190 0.889 1 1191 0.98 1 1192 1.057 1 1193 1.02 1 1194 0.93 1 1195 1.006 1 1196 0.902 1 1197 1.012 1 1198 1.032 1 1199 1.143 1 1200 1.059 1 1201 0.993 1 1202 1 1 1203 1.046 1 1204 1.106 1 1205 1.043 1 1206 1.12 1 1207 1.104 1 1208 1.109 1 1209 1.17 1 1210 1.095 1 1211 1.08 1 1212 1.047 1 1213 1.256 1 1214 1.171 1 1215 1.118 1 1216 1.231 1 1217 1.067 1 1218 1.186 1 1219 1.115 1 1220 0.997 1 1221 0.975 1 1222 0.93 1 1223 1.039 1 1224 1.012 1 1225 0.9 1 1226 0.914 1 1227 0.944 1 1228 0.922 1 1229 0.921 1 1230 0.831 1 1231 0.761 1 1232 0.867 1 1233 0.795 1 1234 0.865 1 1235 0.759 1 1236 0.766 1 1237 0.814 1 1238 0.788 1 1239 0.792 1 1240 0.801 1 1241 0.75 1 1242 0.958 1 1243 0.922 1 1244 0.918 1 1245 0.904 1 1246 0.815 1 1247 0.853 1 1248 0.802 1 1249 0.77 1 1250 0.849 1 1251 0.826 1 1252 0.895 1 1253 0.846 1 1254 0.799 1 1255 0.931 1 1256 0.879 1 1257 1.004 1 1258 0.888 1 1259 0.87 1 1260 0.947 1 1261 1.074 1 1262 1.163 1 1263 1.124 1 1264 1.035 1 1265 0.891 1 1266 0.949 1 1267 0.944 1 1268 0.992 1 1269 0.969 1 1270 0.955 1 1271 0.999 1 1272 0.995 1 1273 1.028 1 1274 0.927 1 1275 1.055 1 1276 1.179 1 1277 1.165 1 1278 1.222 1 1279 0.974 1 1280 0.888 1 1281 1.019 1 1282 1.025 1 1283 1.026 1 1284 1.034 1 1285 0.887 1 1286 0.975 1 1287 0.883 1 1288 0.902 1 1289 1.014 1 1290 1.189 1 1291 1.209 1 1292 0.955 1 1293 0.902 1 1294 0.921 1 1295 0.953 1 1296 0.792 1 1297 1.063 1 1298 1.09 1 1299 1.029 1 1300 1.043 1 1301 1.114 1 1302 1.109 1 1303 1.134 1 1304 1.044 1 1305 1.124 1 1306 1.15 1 1307 0.97 1 1308 1.001 1 1309 1.105 1 1310 0.996 1 1311 1.072 1 1312 1.05 1 1313 1.225 1 1314 1.051 1 1315 0.951 1 1316 1.282 1 1317 1.216 1 1318 1.124 1 1319 1.083 1 1320 1.094 1 1321 1.092 1 1322 1.102 1 1323 1.073 1 1324 1.03 1 1325 0.937 1 1326 0.871 1 1327 0.938 1 1328 0.882 1 1329 1.05 1 1330 0.985 1 1331 1.086 1 1332 0.999 1 1333 0.929 1 1334 1.051 1 1335 1.054 1 1336 0.883 1 1337 0.825 1 1338 0.852 1 1339 0.786 1 1340 1.221 1 1341 1.157 1 1342 1.078 1 1343 1.194 1 1344 1.141 1 1345 1.15 1 1346 1.02 1 1347 1.145 1 1348 1.061 1 1349 1.126 1 1350 1.122 1 1351 1.18 1 1352 1.068 1 1353 1.115 1 1354 1.019 1 1355 1.072 1 1356 0.924 2 1357 1.255 2 1358 1.115 2 1359 1.12 2 1360 1.023 2 1361 0.998 2 1362 0.948 2 1363 1.048 2 1364 1.016 2 1365 1.247 2 1366 1.257 2 1367 1.185 2 1368 1.008 2 1369 0.953 2 1370 0.893 2 1371 0.946 2 1372 0.909 2 1373 0.792 2 1374 0.809 2 1375 0.783 2 1376 0.785 2 1377 0.814 2 1378 0.915 2 1379 0.928 2 1380 1.124 2 1381 1.109 2 1382 0.895 2 1383 1.051 2 1384 0.819 2 1385 0.914 2 1386 0.849 2 1387 0.785 2 1388 0.81 2 1389 0.883 2 1390 0.777 2 1391 0.936 2 1392 0.856 2 1393 0.918 2 1394 1.001 2 1395 0.939 2 1396 0.959 2 1397 1.045 2 1398 1.072 2 1399 1.033 2 1400 1.092 2 1401 1.091 2 1402 1.153 2 1403 1.172 2 1404 1.136 2 1405 1.002 2 1406 1.021 2 1407 0.916 2 1408 1.133 2 1409 1.061 2 1410 1.194 2 1411 1.185 2 1412 1.114 2 1413 0.922 2 1414 1.004 2 1415 1.097 2 1416 1.039 2 1417 1.053 2 1418 1.026 2 1419 0.811 2 1420 0.762 2 1421 0.944 2 1422 1.147 2 1423 1.077 2 1424 1.359 2 1425 1.123 2 1426 1.086 2 1427 1.101 2 1428 1.088 2 1429 1.092 2 1430 1.297 2 1431 1.075 2 1432 1.163 2 1433 1.176 2 1434 1.107 2 1435 1.076 2 1436 1.283 2 1437 1.17 2 1438 1.244 2 1439 1.095 2 1440 1.181 2 1441 1.294 2 1442 1.088 2 1443 0.972 2 1444 0.882 2 1445 0.943 2 1446 0.9 2 1447 0.845 2 1448 0.838 2 1449 0.848 2 1450 0.871 2 1451 0.825 2 1452 0.883 2 1453 1.042 2 1454 0.957 2 1455 0.942 2 1456 1.014 2 1457 0.986 2 1458 1.002 2 1459 0.841 2 1460 0.958 2 1461 0.905 2 1462 0.919 2 1463 0.888 2 1464 0.863 2 1465 0.992 2 1466 0.927 2 1467 0.979 2 1468 0.844 2 1469 0.96 2 1470 0.932 2 1471 0.945 2 1472 0.83 2 1473 0.936 2 1474 1.121 2 1475 1.03 2 1476 0.895 2 1477 0.946 2 1478 0.801 2 1479 0.773 2 1480 0.814 2 1481 0.913 2 1482 0.957 2 1483 0.973 2 1484 1.08 2 1485 0.983 2 1486 0.997 2 1487 0.964 2 1488 0.937 2 1489 0.891 2 1490 0.887 2 1491 1.023 2 1492 0.884 2 1493 1.059 2 1494 0.955 2 1495 1.049 2 1496 1.192 2 1497 0.914 2 1498 1.037 2 1499 0.918 2 1500 0.966 3 1501 1.076 3 1502 1.086 3 1503 1.135 3 1504 1.189 3 1505 0.986 3 1506 1.093 3 1507 1.016 3 1508 1.135 3 1509 1.179 3 1510 1.133 3 1511 1.18 3 1512 1.136 3 1513 1.214 3 1514 1.138 3 1515 0.993 3 1516 0.939 3 1517 1.084 3 1518 0.951 3 1519 1.03 3 1520 0.955 3 1521 0.842 3 1522 0.898 3 1523 0.925 3 1524 0.932 3 1525 0.907 4 1526 0.947 4 1527 0.888 4 1528 0.899 4 1529 0.769 4 1530 0.981 4 1531 0.931 4 1532 0.905 4 1533 0.966 4 1534 1.15 4 1535 0.952 4 1536 1.107 4 1537 0.988 4 1538 1.155 4 1539 1.125 4 1540 0.952 4 1541 0.774 4 1542 1.023 4 1543 1.009 4 1544 0.99 4 1545 0.963 4 1546 1.048 4 1547 1.111 4 1548 0.967 4 1549 1.238 5 1550 0.994 5 1551 1.043 5 1552 0.979 5 1553 1.144 5 1554 0.969 5 1555 0.984 5 1556 0.985 5 1557 1.117 5 1558 1.069 5 1559 1.06 5 1560 1.167 5 1561 1.048 5 1562 1.113 5 1563 1.021 5 1564 1.136 5 1565 1.078 5 1566 1.082 5 1567 1.057 5 1568 1.201 5 1569 1.013 5 1570 0.97 5 1571 0.857 5 1572 1.111 5 1573 1.017 5 1574 1.149 5 1575 0.97 5 1576 1.051 5 1577 1.078 5 1578 1.081 5 1579 0.965 5 1580 0.423 5 1581 0.944 5 1582 1.014 5 1583 0.986 5 1584 0.947 5 1585 1.011 5 1586 1.054 5 1587 1.082 5 1588 1.031 5 1589 1.159 5 1590 1.007 5 1591 1.158 5 1592 1.114 5 1593 1.068 5 1594 1.048 5 1595 0.849 6 1596 0.997 6 1597 1.085 6 1598 1.005 6 1599 1.101 6 1600 0.952 6 1601 1.083 6 1602 0.867 6 1603 0.806 6 1604 0.897 6 1605 0.869 6 1606 0.901 6 1607 0.748 6 1608 0.89 6 1609 0.85 6 1610 1.018 7 1611 1.086 7 1612 0.94 7 1613 0.87 7 1614 1.025 7 1615 1.051 7 1616 1.05 7 1617 1.145 7 1618 1.159 7 1619 0.985 7 1620 1.101 7 1621 1.064 6 1622 0.964 6 1623 0.903 6 1624 1.016 6 1625 1.005 6 1626 0.949 6 1627 0.886 6 1628 0.92 6 1629 0.966 6 1630 1.029 6 1631 1.102 6 1632 0.813 6 1633 1.008 6 1634 0.944 6 1635 1.104 6 1636 1.114 6 1637 1.049 6 1638 1.147 6 1639 1.005 5 1640 0.994 5 1641 1.089 5 1642 0.929 5 1643 0.801 5 1644 0.942 5 1645 0.819 5 1646 0.839 5 1647 0.913 6 1648 0.941 6 1649 0.87 6 1650 0.829 6 1651 0.869 6 1652 0.925 6 1653 0.939 6 1654 0.877 6 1655 0.709 6 1656 1.011 6 1657 0.89 6 1658 1.084 6 1659 1.072 6 1660 1.073 6 1661 1.2 6 1662 1.091 6 1663 1.15 6 1664 1.031 6 1665 1.093 6 1666 1.249 6 1667 0.905 6 1668 1.029 6 1669 0.835 6 1670 0.859 6 1671 0.917 6 1672 1.005 6 1673 1.006 6 1674 1.109 6 1675 1.048 6 1676 1.031 7 1677 1.141 7 1678 1.228 7 1679 1.139 7 1680 1.088 8 1681 1.145 9 1682 0.975 9 1683 1.024 9 1684 1.021 9 1685 1.062 9 1686 0.801 9 1687 1.039 9 1688 1.019 9 1689 0.984 9 1690 0.937 9 1691 0.849 9 1692 1.067 9 1693 1.119 9 1694 1.117 9 1695 1.076 9 1696 1.014 9 1697 0.974 9 1698 0.867 9 1699 0.966 9 1700 0.935 10 1701 0.882 10 1702 1.038 10 1703 0.768 10 1704 1.042 10 1705 1.036 10 1706 0.909 10 1707 1.028 10 1708 0.984 10 1709 1.05 11 1710 1.013 11 1711 0.795 11 1712 0.881 11 1713 0.968 11 1714 0.957 11 1715 0.882 11 1716 0.95 11 1717 0.943 11 1718 0.917 11 1719 0.895 12 1720 0.961 12 1721 0.918 12 1722 0.922 12 1723 0.923 12 1724 0.957 12 1725 1.138 12 1726 1.132 12 1727 1.095 12 1728 0.956 12 1729 0.862 12 1730 1.05 12 1731 1.027 12 1732 1.081 12 1733 0.957 12 1734 1.011 12 1735 1.102 12 1736 1.153 13 1737 1.044 13 1738 1.059 13 1739 1.052 13 1740 1.03 13 1741 0.977 14 1742 0.995 14 1743 1.016 14 1744 1.013 15 1745 0.992 15 1746 0.938 15 1747 0.959 15 1748 0.865 15 1749 0.935 15 1750 0.887 16 1751 0.838 16 1752 0.921 16 1753 0.935 16 1754 0.999 16 1755 0.94 16 1756 0.851 16 1757 0.867 16 1758 0.843 16 1759 1.039 16 1760 1.092 16 1761 1.233 16 1762 1.102 16 1763 1.077 16 1764 1.04 16 1765 0.952 16 1766 1.078 16 1767 1.017 16 1768 1.12 16 1769 0.951 16 1770 1.075 16 1771 0.894 16 1772 1.075 16 1773 0.97 16 1774 1.034 16 1775 0.853 16 1776 0.897 16 1777 0.635 16 1778 0.799 16 1779 0.909 16 1780 1.125 16 1781 1.054 16 1782 1.054 16 1783 1.042 16 1784 1.151 16 1785 1.203 16 1786 1.231 17 1787 1.127 17 1788 1.186 18 1789 1.279 18 1790 1.303 18 1791 1.189 19 1792 1.179 19 1793 1.067 19 1794 0.958 19 1795 0.824 20 1796 0.76 20 1797 1.013 21 1798 1.092 21 1799 1.236 21 1800 1.137 23 1801 1.132 23 1802 1.09 23 1803 1.057 23 1804 1.022 23 1805 0.913 24 1806 0.899 24 1807 0.886 24 1808 0.999 25 1809 1.081 25 1810 1.063 25 1811 1.078 25 1812 0.932 25 1813 0.814 25 1814 1.013 25 1815 0.826 25 1816 1.008 25 1817 0.893 25 1818 0.889 25 1819 0.808 25 1820 0.94 25 1821 0.854 25 1822 0.922 25 1823 0.943 25 1824 0.91 25 1825 1.023 25 1826 1.065 26 1827 0.899 26 1828 1.002 26 1829 0.796 26 1830 0.766 26 1831 1.091 26 1832 1.484 26 1833 1.28 25 1834 1.259 25 1835 1.224 25 1836 1.139 25 1837 1.096 25 1838 1.016 25 1839 0.956 25 1840 0.944 25 1841 0.694 26 1842 0.942 26 1843 0.844 26 1844 0.871 26 1845 1.009 26 1846 0.829 26 1847 0.937 26 1848 0.828 26 1849 0.818 26 1850 0.894 26 1851 0.85 26 1852 0.874 26 1853 1.016 26 1854 0.951 26 1855 0.944 26 1856 0.881 27 1857 0.901 27 1858 0.854 27 1859 0.792 27 1860 0.862 27 1861 0.887 27 1862 0.826 27 1863 0.893 27 1864 0.837 28 1865 0.749 28 1866 0.857 28 1867 0.952 28 1868 0.989 28 1869 0.975 28 1870 0.934 28 1871 0.901 28 1872 0.991 28 1873 1.022 28 1874 0.893 28 1875 1.008 28 1876 0.917 28 1877 1.102 28 1878 1.055 27 1879 1.116 27 1880 1.062 27 1881 1.303 27 1882 1.123 27 1883 1.15 27 1884 1.233 28 1885 1.398 28 1886 1.118 29 1887 1.035 29 1888 1.068 29 1889 1.044 29 1890 1.138 30 1891 1.192 30 1892 1.037 31 1893 1.265 31 1894 1.365 31 1895 1.198 31 1896 1.105 31 1897 1.059 31 1898 0.891 31 1899 0.776 31 1900 1.091 31 1901 1.134 31 1902 0.852 31 1903 0.974 31 1904 1.021 31 1905 1.042 31 1906 0.98 31 1907 1.097 31 1908 1.112 31 1909 0.748 31 1910 0.814 31 1911 0.813 31 1912 0.83 31 1913 0.799 31 1914 0.779 31 1915 0.745 31 1916 0.913 31 1917 0.931 31 1918 1.029 31 1919 0.987 29 1920 0.828 29 1921 1.014 31 1922 0.936 31 1923 1.04 31 1924 0.748 31 1925 0.991 31 1926 1.051 31 1927 0.987 31 1928 1.083 31 1929 0.946 31 1930 0.92 31 1931 1.035 31 1932 0.703 31 1933 0.78 31 1934 0.977 31 1935 0.843 31 1936 1.073 31 1937 0.921 31 1938 1.232 31 1939 1.141 31 1940 1.023 31 1941 1.163 31 1942 1.298 31 1943 1.356 31 1944 1.155 31 1945 1.134 31 1946 1.354 31 1947 1.247 31 1948 1.16 31 1949 0.864 31 1950 0.852 31 1951 1.06 31 1952 1.037 31 1953 1.073 31 1954 1.128 31 1955 0.948 31 1956 0.968 31 1957 0.887 31 1958 1.08 31 1959 0.864 31 1960 0.803 31 1961 0.918 31 1962 0.777 31 1963 0.842 31 1964 1.079 31 1965 1.037 31 1966 0.923 31 1967 0.863 31 1968 0.896 31 1969 0.9 31 1970 0.87 31 1971 0.86 31 1972 0.931 31 1973 0.872 31 1974 1.017 31 1975 0.945 31 1976 0.993 31 1977 0.735 31 1978 0.932 31 1979 0.824 31 1980 1.077 31 1981 1.006 31 1982 1.227 31 1983 1.124 30 1984 1.141 30 1985 1.089 30 1986 1.175 30 1987 1.057 30 1988 1.03 30 1989 0.847 30 1990 1.008 30 1991 0.777 30