# 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/arge114r-noaa.crn # Description: Chronology - NOAA Template File # # Original_Source_URL: https://www1.ncdc.noaa.gov/pub/data/paleo/treering/chronologies/southamerica/arge114r.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,residual,N, ## numsamp number of samples,,,count,,tree ring,,,N, # #-------------------- # Data: # Missing_Values: -999 age_CE trsgi numsamp 1550 1098 1 1551 1047 1 1552 1154 1 1553 1108 3 1554 1084 3 1555 853 3 1556 999 3 1557 1020 3 1558 1244 3 1559 933 3 1560 992 3 1561 1097 3 1562 790 3 1563 1110 3 1564 746 3 1565 843 3 1566 933 3 1567 1062 3 1568 810 3 1569 1038 3 1570 868 3 1571 935 3 1572 856 3 1573 1014 3 1574 1085 3 1575 995 3 1576 1114 3 1577 1281 3 1578 1051 3 1579 1209 3 1580 1090 3 1581 1007 3 1582 1007 3 1583 920 3 1584 1050 3 1585 928 4 1586 845 4 1587 775 4 1588 1088 4 1589 1032 4 1590 1093 6 1591 952 7 1592 992 7 1593 1000 7 1594 1023 7 1595 956 7 1596 1052 7 1597 871 7 1598 721 7 1599 659 7 1600 829 8 1601 1096 8 1602 981 8 1603 861 8 1604 835 8 1605 1044 8 1606 1042 8 1607 947 8 1608 994 8 1609 1370 8 1610 1200 8 1611 922 8 1612 958 8 1613 963 8 1614 952 8 1615 1205 8 1616 1058 8 1617 916 8 1618 1089 8 1619 1094 8 1620 894 8 1621 961 8 1622 1089 8 1623 1084 8 1624 828 8 1625 914 9 1626 890 9 1627 719 10 1628 1064 10 1629 924 10 1630 1088 12 1631 1056 12 1632 911 12 1633 984 12 1634 996 12 1635 1145 12 1636 922 12 1637 837 12 1638 1022 12 1639 888 12 1640 702 12 1641 949 12 1642 950 13 1643 1127 13 1644 968 13 1645 1034 13 1646 982 13 1647 815 13 1648 1161 13 1649 884 13 1650 1027 13 1651 767 13 1652 1088 13 1653 862 13 1654 1033 14 1655 883 15 1656 908 15 1657 787 15 1658 948 15 1659 1017 15 1660 1037 15 1661 1000 15 1662 837 15 1663 1110 15 1664 694 15 1665 931 15 1666 1029 15 1667 1124 15 1668 1188 16 1669 997 16 1670 1180 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