# 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/ca704r-crn-noaa.txt # Data_Download_Description: Raw Measurements - NOAA Template File; ca704r-crn-noaa.txt # # Related_Online_Resource: https://www.ncei.noaa.gov/pub/data/paleo/treering/chronologies/northamerica/usa/ca704r.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 1.033 1 1172 0.891 1 1173 1.087 1 1174 0.954 1 1175 1.179 1 1176 0.94 1 1177 1.091 1 1178 1.051 1 1179 1.036 1 1180 0.896 1 1181 1.081 1 1182 1.102 1 1183 0.991 1 1184 0.964 1 1185 1.17 1 1186 1.099 1 1187 0.921 1 1188 0.726 1 1189 0.833 1 1190 1.049 1 1191 1.079 1 1192 1.086 1 1193 0.996 1 1194 0.909 1 1195 1.035 1 1196 0.911 1 1197 1.056 1 1198 1.044 1 1199 1.125 1 1200 0.985 1 1201 0.937 1 1202 0.991 1 1203 1.046 1 1204 1.084 1 1205 0.983 1 1206 1.08 1 1207 1.038 1 1208 1.037 1 1209 1.099 1 1210 0.994 1 1211 1.003 1 1212 0.991 1 1213 1.218 1 1214 1.041 1 1215 0.989 1 1216 1.142 1 1217 0.935 1 1218 1.111 1 1219 1.014 1 1220 0.908 1 1221 0.954 1 1222 0.941 1 1223 1.076 1 1224 1.005 1 1225 0.886 1 1226 0.958 1 1227 1.002 1 1228 0.963 1 1229 0.967 1 1230 0.882 1 1231 0.854 1 1232 1.01 1 1233 0.901 1 1234 0.986 1 1235 0.86 1 1236 0.903 1 1237 0.968 1 1238 0.918 1 1239 0.926 1 1240 0.937 1 1241 0.882 1 1242 1.111 1 1243 0.987 1 1244 0.962 1 1245 0.956 1 1246 0.874 1 1247 0.957 1 1248 0.904 1 1249 0.89 1 1250 0.993 1 1251 0.939 1 1252 1.004 1 1253 0.927 1 1254 0.89 1 1255 1.054 1 1256 0.948 1 1257 1.073 1 1258 0.907 1 1259 0.922 1 1260 1.028 1 1261 1.122 1 1262 1.137 1 1263 1.032 1 1264 0.946 1 1265 0.85 1 1266 0.993 1 1267 0.988 1 1268 1.027 1 1269 0.982 1 1270 0.97 1 1271 1.025 1 1272 1.003 1 1273 1.03 1 1274 0.914 1 1275 1.083 1 1276 1.166 1 1277 1.069 1 1278 1.11 1 1279 0.838 1 1280 0.858 1 1281 1.075 1 1282 1.037 1 1283 1.009 1 1284 1.016 1 1285 0.866 1 1286 1.021 1 1287 0.915 1 1288 0.961 1 1289 1.081 1 1290 1.2 1 1291 1.116 1 1292 0.821 1 1293 0.883 1 1294 0.975 1 1295 1.007 1 1296 0.828 1 1297 1.169 1 1298 1.098 1 1299 0.973 1 1300 1.011 1 1301 1.087 1 1302 1.047 1 1303 1.061 1 1304 0.96 1 1305 1.077 1 1306 1.083 1 1307 0.875 1 1308 0.986 1 1309 1.11 1 1310 0.946 1 1311 1.053 1 1312 1.016 1 1313 1.187 1 1314 0.935 1 1315 0.885 1 1316 1.294 1 1317 1.091 1 1318 0.969 1 1319 0.984 1 1320 1.031 1 1321 1.031 1 1322 1.041 1 1323 1.007 1 1324 0.976 1 1325 0.908 1 1326 0.894 1 1327 1.01 1 1328 0.935 1 1329 1.116 1 1330 0.982 1 1331 1.083 1 1332 0.96 1 1333 0.913 1 1334 1.084 1 1335 1.042 1 1336 0.847 1 1337 0.869 1 1338 0.955 1 1339 0.887 1 1340 1.349 1 1341 1.091 1 1342 0.962 1 1343 1.128 1 1344 1.034 1 1345 1.047 1 1346 0.922 1 1347 1.107 1 1348 0.988 1 1349 1.07 1 1350 1.05 1 1351 1.098 1 1352 0.96 1 1353 1.049 1 1354 0.951 1 1355 1.041 1 1356 0.885 2 1357 1.277 2 1358 1.008 2 1359 1.018 2 1360 0.944 2 1361 0.964 2 1362 0.944 2 1363 1.072 2 1364 1.002 2 1365 1.229 2 1366 1.137 2 1367 1.017 2 1368 0.872 2 1369 0.914 2 1370 0.913 2 1371 1.005 2 1372 0.953 2 1373 0.844 2 1374 0.922 2 1375 0.911 2 1376 0.921 2 1377 0.954 2 1378 1.042 2 1379 1.002 2 1380 1.172 2 1381 1.063 2 1382 0.82 2 1383 1.079 2 1384 0.813 2 1385 0.989 2 1386 0.922 2 1387 0.871 2 1388 0.939 2 1389 1.012 2 1390 0.866 2 1391 1.062 2 1392 0.927 2 1393 0.997 2 1394 1.065 2 1395 0.953 2 1396 0.986 2 1397 1.075 2 1398 1.057 2 1399 0.99 2 1400 1.062 2 1401 1.041 2 1402 1.092 2 1403 1.082 2 1404 1.026 2 1405 0.904 2 1406 0.994 2 1407 0.905 2 1408 1.168 2 1409 1.013 2 1410 1.14 2 1411 1.081 2 1412 0.99 2 1413 0.833 2 1414 1.019 2 1415 1.108 2 1416 0.992 2 1417 1.016 2 1418 0.993 2 1419 0.787 2 1420 0.845 2 1421 1.091 2 1422 1.216 2 1423 1.017 2 1424 1.295 2 1425 0.939 2 1426 0.96 2 1427 1.037 2 1428 1.024 2 1429 1.031 2 1430 1.237 2 1431 0.917 2 1432 1.072 2 1433 1.085 2 1434 0.992 2 1435 0.993 2 1436 1.226 2 1437 1.022 2 1438 1.11 2 1439 0.947 2 1440 1.09 2 1441 1.19 2 1442 0.915 2 1443 0.875 2 1444 0.879 2 1445 1.003 2 1446 0.948 2 1447 0.901 2 1448 0.929 2 1449 0.953 2 1450 0.972 2 1451 0.913 2 1452 0.989 2 1453 1.128 2 1454 0.958 2 1455 0.954 2 1456 1.048 2 1457 0.99 2 1458 1.005 2 1459 0.841 2 1460 1.031 2 1461 0.953 2 1462 0.971 2 1463 0.943 2 1464 0.93 2 1465 1.076 2 1466 0.955 2 1467 1.014 2 1468 0.866 2 1469 1.037 2 1470 0.979 2 1471 0.983 2 1472 0.868 2 1473 1.025 2 1474 1.182 2 1475 0.984 2 1476 0.858 2 1477 0.989 2 1478 0.845 2 1479 0.876 2 1480 0.957 2 1481 1.042 2 1482 1.032 2 1483 1.008 2 1484 1.1 2 1485 0.949 2 1486 0.989 2 1487 0.967 2 1488 0.954 2 1489 0.926 2 1490 0.949 2 1491 1.095 2 1492 0.893 2 1493 1.108 2 1494 0.948 2 1495 1.058 2 1496 1.176 2 1497 0.814 2 1498 1.041 2 1499 0.915 2 1500 0.997 3 1501 1.107 3 1502 1.055 3 1503 1.08 3 1504 1.109 3 1505 0.871 3 1506 1.064 3 1507 0.974 3 1508 1.109 3 1509 1.112 3 1510 1.023 3 1511 1.083 3 1512 1.026 3 1513 1.116 3 1514 1.01 3 1515 0.887 3 1516 0.916 3 1517 1.113 3 1518 0.922 3 1519 1.037 3 1520 0.949 3 1521 0.857 3 1522 0.98 3 1523 1.002 3 1524 0.985 3 1525 0.952 4 1526 1.003 4 1527 0.929 4 1528 0.96 4 1529 0.836 4 1530 1.108 4 1531 0.981 4 1532 0.94 4 1533 1.023 4 1534 1.183 4 1535 0.887 4 1536 1.101 4 1537 0.946 4 1538 1.14 4 1539 1.053 4 1540 0.863 4 1541 0.773 4 1542 1.137 4 1543 1.039 4 1544 0.98 4 1545 0.965 4 1546 1.067 4 1547 1.094 4 1548 0.905 4 1549 1.232 5 1550 0.887 5 1551 1 5 1552 0.959 5 1553 1.145 5 1554 0.904 5 1555 0.971 5 1556 0.997 5 1557 1.126 5 1558 1.015 5 1559 1.005 5 1560 1.125 5 1561 0.957 5 1562 1.059 5 1563 0.958 5 1564 1.104 5 1565 1.009 5 1566 1.019 5 1567 1.003 5 1568 1.158 5 1569 0.907 5 1570 0.925 5 1571 0.868 5 1572 1.183 5 1573 0.99 5 1574 1.119 5 1575 0.896 5 1576 1.036 5 1577 1.059 5 1578 1.035 5 1579 0.911 5 1580 0.424 5 1581 1.221 5 1582 1.146 5 1583 0.989 5 1584 0.95 5 1585 1.038 5 1586 1.057 5 1587 1.054 5 1588 0.982 5 1589 1.128 5 1590 0.925 5 1591 1.125 5 1592 1.037 5 1593 0.984 5 1594 0.994 5 1595 0.813 6 1596 1.058 6 1597 1.113 6 1598 0.965 6 1599 1.082 6 1600 0.903 6 1601 1.086 6 1602 0.836 6 1603 0.852 6 1604 1.012 6 1605 0.953 6 1606 0.981 6 1607 0.817 6 1608 1.026 6 1609 0.948 6 1610 1.108 7 1611 1.105 7 1612 0.895 7 1613 0.881 7 1614 1.096 7 1615 1.063 7 1616 1.02 7 1617 1.112 7 1618 1.08 7 1619 0.883 7 1620 1.077 7 1621 1.019 6 1622 0.914 6 1623 0.907 6 1624 1.067 6 1625 1.014 6 1626 0.943 6 1627 0.909 6 1628 0.983 6 1629 1.023 6 1630 1.059 6 1631 1.094 6 1632 0.758 6 1633 1.076 6 1634 0.974 6 1635 1.128 6 1636 1.075 6 1637 0.975 6 1638 1.101 6 1639 0.926 5 1640 0.964 5 1641 1.09 5 1642 0.887 5 1643 0.817 5 1644 1.048 5 1645 0.883 5 1646 0.934 5 1647 1.022 6 1648 1.011 6 1649 0.912 6 1650 0.9 6 1651 0.973 6 1652 1.017 6 1653 0.998 6 1654 0.918 6 1655 0.777 6 1656 1.171 6 1657 0.938 6 1658 1.133 6 1659 1.052 6 1660 1.023 6 1661 1.151 6 1662 0.982 6 1663 1.07 6 1664 0.942 6 1665 1.05 6 1666 1.199 6 1667 0.769 6 1668 1.027 6 1669 0.838 6 1670 0.93 6 1671 1.013 6 1672 1.07 6 1673 1.018 6 1674 1.104 6 1675 0.995 6 1676 0.987 7 1677 1.116 7 1678 1.156 7 1679 1.005 7 1680 0.979 8 1681 1.077 9 1682 0.889 9 1683 1.008 9 1684 1.014 9 1685 1.047 9 1686 0.767 9 1687 1.12 9 1688 1.037 9 1689 0.967 9 1690 0.94 9 1691 0.88 9 1692 1.149 9 1693 1.115 9 1694 1.047 9 1695 0.998 9 1696 0.956 9 1697 0.952 9 1698 0.876 9 1699 1.032 9 1700 0.975 10 1701 0.918 10 1702 1.105 10 1703 0.771 10 1704 1.143 10 1705 1.058 10 1706 0.884 10 1707 1.063 10 1708 0.986 10 1709 1.052 11 1710 0.992 11 1711 0.778 11 1712 0.974 11 1713 1.062 11 1714 0.993 11 1715 0.907 11 1716 1.013 11 1717 0.988 11 1718 0.952 11 1719 0.943 12 1720 1.025 12 1721 0.955 12 1722 0.967 12 1723 0.974 12 1724 1.007 12 1725 1.172 12 1726 1.074 12 1727 1.007 12 1728 0.886 12 1729 0.864 12 1730 1.122 12 1731 1.029 12 1732 1.058 12 1733 0.913 12 1734 1.015 12 1735 1.105 12 1736 1.101 13 1737 0.952 13 1738 1.009 13 1739 1.015 13 1740 0.993 13 1741 0.952 14 1742 1 14 1743 1.022 14 1744 1.005 15 1745 0.982 15 1746 0.938 15 1747 0.989 15 1748 0.895 15 1749 1.006 15 1750 0.942 16 1751 0.903 16 1752 1.017 16 1753 1.001 16 1754 1.043 16 1755 0.952 16 1756 0.878 16 1757 0.947 16 1758 0.932 16 1759 1.137 16 1760 1.102 16 1761 1.181 16 1762 0.974 16 1763 0.985 16 1764 0.984 16 1765 0.917 16 1766 1.093 16 1767 0.988 16 1768 1.096 16 1769 0.891 16 1770 1.075 16 1771 0.867 16 1772 1.11 16 1773 0.953 16 1774 1.034 16 1775 0.841 16 1776 0.959 16 1777 0.71 16 1778 0.989 16 1779 1.071 16 1780 1.204 16 1781 1.011 16 1782 1.004 16 1783 1.005 16 1784 1.12 16 1785 1.123 16 1786 1.107 17 1787 0.98 17 1788 1.082 18 1789 1.167 18 1790 1.136 18 1791 0.993 19 1792 1.033 19 1793 0.947 19 1794 0.893 19 1795 0.831 20 1796 0.849 20 1797 1.158 21 1798 1.129 21 1799 1.189 21 1800 1.008 23 1801 1.023 23 1802 1.002 23 1803 0.989 23 1804 0.978 23 1805 0.892 24 1806 0.935 24 1807 0.949 24 1808 1.071 25 1809 1.101 25 1810 1.024 25 1811 1.033 25 1812 0.882 25 1813 0.831 25 1814 1.113 25 1815 0.853 25 1816 1.087 25 1817 0.92 25 1818 0.937 25 1819 0.879 25 1820 1.05 25 1821 0.917 25 1822 1.001 25 1823 1.006 25 1824 0.95 25 1825 1.075 25 1826 1.07 26 1827 0.863 26 1828 1.036 26 1829 0.813 26 1830 0.861 26 1831 1.239 26 1832 1.483 26 1833 1.035 25 1834 1.036 25 1835 1.049 25 1836 0.984 25 1837 0.988 25 1838 0.944 25 1839 0.93 25 1840 0.961 25 1841 0.727 26 1842 1.096 26 1843 0.927 26 1844 0.954 26 1845 1.098 26 1846 0.848 26 1847 1.015 26 1848 0.889 26 1849 0.909 26 1850 1.011 26 1851 0.933 26 1852 0.963 26 1853 1.102 26 1854 0.965 26 1855 0.963 26 1856 0.915 27 1857 0.967 27 1858 0.922 27 1859 0.878 27 1860 0.986 27 1861 0.99 27 1862 0.904 27 1863 0.995 27 1864 0.919 28 1865 0.845 28 1866 1.005 28 1867 1.065 28 1868 1.038 28 1869 0.988 28 1870 0.947 28 1871 0.937 28 1872 1.049 28 1873 1.044 28 1874 0.883 28 1875 1.053 28 1876 0.932 28 1877 1.139 28 1878 1.022 27 1879 1.07 27 1880 0.997 27 1881 1.251 27 1882 0.968 27 1883 1.035 27 1884 1.139 28 1885 1.26 28 1886 0.886 29 1887 0.905 29 1888 1.028 29 1889 1.005 29 1890 1.104 30 1891 1.118 30 1892 0.921 31 1893 1.211 31 1894 1.232 31 1895 0.976 31 1896 0.943 31 1897 0.972 31 1898 0.842 31 1899 0.815 31 1900 1.216 31 1901 1.132 31 1902 0.771 31 1903 1.017 31 1904 1.06 31 1905 1.036 31 1906 0.955 31 1907 1.098 31 1908 1.069 31 1909 0.676 31 1910 0.911 31 1911 0.946 31 1912 0.952 31 1913 0.913 31 1914 0.905 31 1915 0.885 31 1916 1.074 31 1917 1.019 31 1918 1.076 31 1919 0.985 29 1920 0.828 29 1921 1.096 31 1922 0.96 31 1923 1.067 31 1924 0.741 31 1925 1.101 31 1926 1.101 31 1927 0.964 31 1928 1.078 31 1929 0.909 31 1930 0.929 31 1931 1.081 31 1932 0.701 31 1933 0.912 31 1934 1.135 31 1935 0.894 31 1936 1.15 31 1937 0.914 31 1938 1.255 31 1939 1.046 31 1940 0.912 31 1941 1.125 31 1942 1.216 31 1943 1.185 31 1944 0.931 31 1945 0.994 31 1946 1.261 31 1947 1.054 31 1948 0.977 31 1949 0.743 31 1950 0.885 31 1951 1.154 31 1952 1.035 31 1953 1.043 31 1954 1.086 31 1955 0.873 31 1956 0.968 31 1957 0.911 31 1958 1.138 31 1959 0.846 31 1960 0.852 31 1961 1.035 31 1962 0.851 31 1963 0.961 31 1964 1.195 31 1965 1.028 31 1966 0.89 31 1967 0.892 31 1968 0.973 31 1969 0.974 31 1970 0.935 31 1971 0.939 31 1972 1.02 31 1973 0.929 31 1974 1.089 31 1975 0.96 31 1976 1.015 31 1977 0.748 31 1978 1.057 31 1979 0.905 31 1980 1.172 31 1981 1.001 31 1982 1.209 31 1983 1.015 30 1984 1.04 30 1985 0.999 30 1986 1.106 30 1987 0.957 30 1988 0.969 30 1989 0.821 30 1990 1.074 30 1991 0.8 30