# Mundo - Caviahue SA - ARAR - ITRDB ARGE114 #----------------------------------------------------------------------- # 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 original publication, online resource and date accessed when using these data, # If there is no publication information, please cite investigator, title, online resource and date accessed. # # Online_Resource: https://www.ncdc.noaa.gov/paleo/study/13723 # Description: NOAA Landing Page of study # Online_Resource: https://www1.ncdc.noaa.gov//pub/data/paleo/treering/chronologies/southamerica/arge114a-noaa.crn # Description: Chronology - NOAA Template File # # Original_Source_URL: https://www1.ncdc.noaa.gov/pub/data/paleo/treering/chronologies/southamerica/arge114a.crn # Description: Chronology - Tucson Decadal File # # Archive: Tree Ring # # Dataset_DOI: # # Parameter_Keywords: ring width #------------------- # Contribution_Date # Date: 2012-06-27 #------------------- # File_Last_Modified_Date # Date: 2018-12-13 #------------------- # Title # Study_Name: Mundo - Caviahue SA - ARAR - ITRDB ARGE114 #------------------- # Investigators: Mundo, I.A.; Roig Ju?ent, F.A.; Bottero, R. #------------------- # Description_Notes_and_Keywords # Description: NOAA Template Chronology file added 2018-12-13. #------------------- # Publication # Authors: # Journal_Name: Trees - Structure and Function # Published_Title: Araucaria araucana tree-ring chronologies in Argentina: spatial growth variations and climate influences # Published_Date_or_Year: 2012 # Volume: # Pages: # Report_Number: # DOI: 10.1007/s00468-011-0605-3 # Full_Citation: Mundo, I.A., F.A. Roig Ju?ent, R. Villalba, T. Kitzberger, # and M.D. Barrera. 2012. # Araucaria araucana tree-ring chronologies in Argentina: # spatial growth variations and climate influences. # Trees - Structure and Function, Vol. 26, pp. 443-458. # DOI 10.1007/s00468-011-0605-3 # Abstract: Seventeen tree-ring chronologies from the conifer Araucaria araucana (Molina) K. Koch have been analyzed across its range of distribution in Argentina. We studied the growth patterns and determined the main climatic factors influencing A. araucana radial growth. All the chronologies show a strong common signal observed by the high amount of variance explained by the first principal component (PC1) and the high mean correlation (r = 0.597) between the chronologies over the 1676-1974 interval. On this basis, we developed a regional chronology that is 866 years long (A.D. 1140-2006) and includes 621 tree-ring series. Based on the PC2 scores, chronologies were clearly separated by elevation in high- and low-elevation records. Regional tree growth is strongly negatively related to temperatures during summer and fall in the previous-growing season and spring in the current-growing season, respectively. A positive association of tree growth with precipitation is recorded during spring in the current growing season. These results suggest a close relationship between A. araucana tree growth and water availability on a regional scale. This observation is also consistent with a positive and significant correlation between our A. araucana regional record and a reconstruction of November-December rainfall for northern Patagonia inferred from the xeric Austrocedrus chilensis during the past 400 years. Negative correlations between A. araucana regional growth and the sea surface temperature in the Nino 3.4 region reflect the occurrence of above-mean summer temperatures in the region during positive tropical Pacific SST anomalies. The negative relationship with the Antarctic Oscillation (AAO) results from reduced precipitation in our study region during the positive phase of the AAO. The effect of elevation on water availability is consistent with significant correlations between ring-width variations at lower elevations and the Palmer Drought Severity Index during spring and summer in the current growing season. Our study emphasizes the high dendroclimatological potential of A. araucana chronologies for reconstructing past climate variations in northern Patagonia during the past millennium. #------------------- # Site_Information # Site_Name: Caviahue SA # Location: Argentina # Northernmost_Latitude: -37.8651 # Southernmost_Latitude: -37.8651 # Easternmost_Longitude: -71.0691 # Westernmost_Longitude: -71.0691 # Elevation: 1695 #------------------- # Data_Collection # Collection_Name: ARGE114 # Earliest_Year: 1550 # Most_Recent_Year: 2003 # Time_Unit: AD # Notes: #------------------- # Species # Species_Name: Araucaria araucana (Molina) K. Koch # Common_Name: monkey puzzle # Tree_Species_Code: ARAR #------------------- # Chronology_Information # Chronology: #--------------------- # Variables # variables format: shortname var components: what,material,error,units,season,archive,detail,method, C or N for Char or Numeric data,additional information ## age_CE age,,,year Common Era,,tree ring,,,N, ## trsgi tree ring standardized growth index,,,,,tree ring,composited,ARSTAN,N, ## numsamp number of samples,,,count,,tree ring,,,N, # #-------------------- # Data: # Missing_Values: -999 age_CE trsgi numsamp 1550 1129 1 1551 1121 1 1552 1230 1 1553 1237 3 1554 1225 3 1555 989 3 1556 1017 3 1557 1034 3 1558 1269 3 1559 1074 3 1560 1056 3 1561 1137 3 1562 868 3 1563 1062 3 1564 772 3 1565 742 3 1566 795 3 1567 948 3 1568 775 3 1569 930 3 1570 822 3 1571 848 3 1572 774 3 1573 897 3 1574 1023 3 1575 1004 3 1576 1124 3 1577 1349 3 1578 1239 3 1579 1360 3 1580 1293 3 1581 1185 3 1582 1127 3 1583 1003 3 1584 1068 3 1585 968 4 1586 841 4 1587 701 4 1588 936 4 1589 983 4 1590 1086 6 1591 999 7 1592 1005 7 1593 1009 7 1594 1034 7 1595 980 7 1596 1051 7 1597 901 7 1598 683 7 1599 502 7 1600 566 8 1601 850 8 1602 880 8 1603 796 8 1604 732 8 1605 903 8 1606 980 8 1607 936 8 1608 968 8 1609 1355 8 1610 1379 8 1611 1143 8 1612 1064 8 1613 1012 8 1614 969 8 1615 1197 8 1616 1159 8 1617 1016 8 1618 1116 8 1619 1159 8 1620 987 8 1621 973 8 1622 1081 8 1623 1128 8 1624 903 8 1625 883 9 1626 832 9 1627 633 10 1628 877 10 1629 841 10 1630 1007 12 1631 1053 12 1632 944 12 1633 967 12 1634 982 12 1635 1140 12 1636 995 12 1637 852 12 1638 956 12 1639 861 12 1640 636 12 1641 766 12 1642 814 13 1643 1023 13 1644 972 13 1645 1029 13 1646 1000 13 1647 824 13 1648 1081 13 1649 917 13 1650 999 13 1651 766 13 1652 980 13 1653 840 13 1654 959 14 1655 857 15 1656 841 15 1657 704 15 1658 797 15 1659 901 15 1660 978 15 1661 988 15 1662 836 15 1663 1035 15 1664 705 15 1665 795 15 1666 912 15 1667 1071 15 1668 1223 16 1669 1119 16 1670 1263 16 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