# Stahle - Velo ne Novia - TAMU - ITRDB MEXI110 #---------------------------------------------------- # 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/20992 # 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-20992.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/mexico/mexi110-crn-noaa.txt # Data_Download_Description: Raw Measurements - NOAA Template File; mexi110-crn-noaa.txt # # Related_Online_Resource: https://www.ncei.noaa.gov/pub/data/paleo/treering/chronologies/northamerica/mexico/mexi110.crn # Related_Online_Description: CRN File; Chronology - Tucson Decadal File # #-------------------- # Contribution_Date # Date: 2016-07-27 #-------------------- # File_Last_Modified_Date # Date: 2016-07-27 #-------------------- # Title # Study_Name: Stahle - Velo ne Novia - TAMU - ITRDB MEXI110 #-------------------- # Investigators # Investigators: Stahle, D.W. #-------------------- # Description_Notes_and_Keywords # Description: NOAA Template Raw Measurements file added 2019-02-04. #-------------------- # Publication # Authors: David W. Stahle, Edward R. Cook, Dorian J. Burnette, Jose Villanueva, Julian Cerano, Jordan N. Burns, Daniel Griffin, Benjamin I. Cook, Rodolfo Acuna, Max C.A. Torbenson, Paul Sjezner, Ian M. Howard # Journal_Name: Quaternary Science Reviews # Published_Title: The Mexican Drought Atlas: Tree-ring reconstructions of the soil moisture balance during the late pre-Hispanic, colonial, and modern eras # Published_Date_or_Year: 2016 # Volume: 149 # Pages: 34-60 # Issue: # Report_Number: # DOI: 10.1016/j.quascirev.2016.06.018 # Full_Citation: None # Abstract: Mexico has suffered a long history and prehistory of severe sustained drought. Drought over Mexico is modulated by ocean-atmospheric variability in the Atlantic and Pacific, raising the possibility for long-range seasonal climate forecasting, which could help mediate the economic and social impacts of future dry spells. The instrumental record of Mexican climate is very limited before 1920, but tree-ring chronologies developed from old-growth forests in Mexico can provide an excellent proxy representation of the spatial pattern and intensity of past moisture regimes useful for the analysis of climate dynamics and climate impacts. The Mexican Drought Atlas (MXDA) has been developed from an extensive network of 252 climate sensitive tree-ring chronologies in and near Mexico. The MXDA reconstructions extend from 1400 CE-2012 and were calibrated with the instrumental summer (JJA) self-calibrating Palmer Drought Severity Index (scPDSI) on a 0.5 latitude/longitude grid extending over land areas from 14 to 34N and 75-120W using Ensemble Point-by-Point Regression (EPPR) for the 1944-1984 period. The grid point reconstructions were validated for the period 1920-1943 against instrumental gridded scPDSI values based on the fewer weather station observations available during that interval. The MXDA provides a new spatial perspective on the historical impacts of moisture extremes over Mexico during the past 600-years, including the Aztec Drought of One Rabbit in 1454, the drought of El Ano de Hambre in 1785-1786, and the drought that preceded the Mexican Revolution of 1909-1910. # The El Nino/Southern Oscillation (ENSO) is the most important ocean-atmospheric forcing of moisture variability detected with the MXDA. In fact, the reconstructions suggest that the strongest central equatorial Pacific sea surface temperature (SST) teleconnection to the soil moisture balance over North America may reside in northern Mexico. This ENSO signal has stronger and more time-stable correlations than computed for either the Atlantic Multidecadal Oscillation or Pacific Decadal Oscillation. The extended Multivariate ENSO Index is most highly correlated with reconstructed scPDSI over northern Mexico, where warm events favor moist conditions during the winter, spring, and early summer. This ENSO teleconnection to northern Mexico has been strong over the past 150 years, but it has been comparatively weak and non-stationary in the MXDA over central and southern Mexico where eastern tropical Pacific and Caribbean/tropical Atlantic SSTs seem to be more important. The ENSO teleconnection to northern Mexico is weaker in the available instrumental PDSI, but analyses based on the millennium climate simulations with the Community Earth System Model suggest that the moisture balance during the winter, spring, and early summer over northern Mexico may indeed be particularly sensitive to ENSO forcing. Nationwide drought is predicted to become more common with anthropogenic climate change, but the MXDA reconstructions indicate that intense "All Mexico" droughts have been rare over the past 600 years and their frequency does not appear to have increased substantially in recent decades. #-------------------- # Funding_Agency # Funding_Agency_Name: # Grant: #-------------------- # Site_Information # Site_Name: Velo ne Novia # Location: Mexico # Northernmost_Latitude: 16.194 # Southernmost_Latitude: 16.194 # Easternmost_Longitude: -92.266 # Westernmost_Longitude: -92.266 # Elevation_m: 1000 #-------------------- # Data_Collection # Collection_Name: MEXI110 # First_Year: 1701 # Last_Year: 2009 # Time_Unit: CE # Core_Length_m: # Parameter_Keywords: ring width # Notes: #-------------------- # Species # Species_Name: Taxodium mucronatum Ten. # Common_Name: Montezuma cypress # Tree_Species_Code: TAMU #-------------------- # 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 1701 1.178 1 1702 0.962 1 1703 0.801 1 1704 0.968 1 1705 0.973 1 1706 1.249 2 1707 1.062 4 1708 0.937 4 1709 0.935 4 1710 0.819 4 1711 0.89 4 1712 0.834 4 1713 1.127 4 1714 0.913 4 1715 1.081 4 1716 1.12 4 1717 1.098 4 1718 1.167 4 1719 1.063 4 1720 0.876 4 1721 0.995 4 1722 0.813 4 1723 0.794 4 1724 0.848 4 1725 1.019 4 1726 0.899 4 1727 1.066 4 1728 1.184 4 1729 0.921 4 1730 0.942 5 1731 0.833 5 1732 0.818 5 1733 1.072 5 1734 1.071 6 1735 1.189 6 1736 0.935 6 1737 1.21 6 1738 0.942 6 1739 0.766 6 1740 0.894 6 1741 0.906 6 1742 0.855 6 1743 1.042 6 1744 0.886 6 1745 0.818 6 1746 0.806 6 1747 0.702 6 1748 0.931 6 1749 0.693 6 1750 0.923 7 1751 0.686 7 1752 0.965 7 1753 0.912 7 1754 0.824 7 1755 1.096 7 1756 0.934 7 1757 1.019 7 1758 0.91 7 1759 1.22 7 1760 0.916 7 1761 0.902 7 1762 0.829 7 1763 0.965 7 1764 0.759 7 1765 0.939 7 1766 1.041 7 1767 1.056 7 1768 0.954 7 1769 1.076 7 1770 0.931 7 1771 0.92 7 1772 1.095 8 1773 1.221 8 1774 0.974 8 1775 1.033 8 1776 1.138 8 1777 1.003 8 1778 0.989 8 1779 0.926 8 1780 1.004 9 1781 0.962 9 1782 0.978 9 1783 0.948 9 1784 1.241 9 1785 1.055 9 1786 0.909 9 1787 1.181 9 1788 0.841 9 1789 0.689 9 1790 1.148 9 1791 0.572 9 1792 0.678 9 1793 0.881 9 1794 0.948 9 1795 0.777 9 1796 0.96 9 1797 0.888 9 1798 0.94 9 1799 0.839 9 1800 0.968 11 1801 1.034 11 1802 1.126 11 1803 0.906 11 1804 0.865 11 1805 1.121 11 1806 1.094 11 1807 1.007 11 1808 1.109 11 1809 1.142 11 1810 0.962 11 1811 0.838 11 1812 1.045 11 1813 1.089 11 1814 0.966 11 1815 0.859 11 1816 1.033 11 1817 0.871 11 1818 0.901 11 1819 0.71 11 1820 0.989 12 1821 0.949 12 1822 1.036 12 1823 0.898 12 1824 0.86 12 1825 0.939 12 1826 1.115 12 1827 1.02 12 1828 0.985 12 1829 0.936 12 1830 0.984 12 1831 0.927 12 1832 0.98 12 1833 0.661 12 1834 0.971 12 1835 1.118 12 1836 0.917 12 1837 0.948 12 1838 1.014 12 1839 0.852 12 1840 0.774 12 1841 1.078 12 1842 0.992 12 1843 0.919 12 1844 0.74 12 1845 0.938 12 1846 1.074 12 1847 0.993 12 1848 1.024 12 1849 0.981 12 1850 0.988 12 1851 1.133 12 1852 1.273 12 1853 1.069 12 1854 0.989 12 1855 1.13 12 1856 1.007 12 1857 0.955 12 1858 0.864 12 1859 0.832 12 1860 0.785 12 1861 0.945 12 1862 0.809 12 1863 0.8 12 1864 0.509 12 1865 0.681 12 1866 0.756 12 1867 0.721 12 1868 0.615 12 1869 0.647 12 1870 0.881 14 1871 0.68 14 1872 0.743 14 1873 0.823 14 1874 0.856 14 1875 0.904 14 1876 0.926 14 1877 0.749 14 1878 0.847 14 1879 0.886 14 1880 0.881 14 1881 0.758 14 1882 0.781 14 1883 0.881 14 1884 0.866 14 1885 0.898 14 1886 0.807 14 1887 0.949 14 1888 0.747 14 1889 0.755 14 1890 1.009 15 1891 0.908 15 1892 1.161 15 1893 1.225 15 1894 1.208 15 1895 1.184 15 1896 1.156 15 1897 1.177 15 1898 1.25 15 1899 1.328 15 1900 1.162 14 1901 1.259 14 1902 1.381 14 1903 0.866 14 1904 0.949 14 1905 0.93 14 1906 1.012 14 1907 0.895 14 1908 0.862 14 1909 0.808 14 1910 1.032 14 1911 1.072 14 1912 0.958 14 1913 1.061 14 1914 1.084 14 1915 1.143 14 1916 1.23 14 1917 1.173 14 1918 1.179 14 1919 0.979 14 1920 1.107 15 1921 1.159 15 1922 1.098 15 1923 1.187 15 1924 0.972 15 1925 1.142 15 1926 1.103 15 1927 1.176 15 1928 1.158 15 1929 1.259 15 1930 1.142 14 1931 1.333 14 1932 1.126 14 1933 1.104 14 1934 1.091 14 1935 1.005 14 1936 0.957 14 1937 1.1 14 1938 0.999 14 1939 0.869 14 1940 0.894 14 1941 1.042 14 1942 0.888 14 1943 0.897 14 1944 0.983 14 1945 0.948 14 1946 0.992 14 1947 1.098 14 1948 1.136 14 1949 0.942 14 1950 1.016 16 1951 1.013 16 1952 1.055 16 1953 0.968 16 1954 1.081 16 1955 0.865 16 1956 0.927 16 1957 0.828 15 1958 0.78 15 1959 0.79 15 1960 0.842 15 1961 0.793 15 1962 0.872 15 1963 0.917 15 1964 1.04 15 1965 1.02 15 1966 1.28 15 1967 1.11 15 1968 1.265 15 1969 1.144 15 1970 1.026 15 1971 1.04 15 1972 0.932 15 1973 1.085 15 1974 1.032 15 1975 1.088 15 1976 1.136 15 1977 1.072 15 1978 1.017 15 1979 1.113 15 1980 1.088 15 1981 1.404 15 1982 1.214 15 1983 1.201 15 1984 1.212 15 1985 1.082 15 1986 1.249 15 1987 1.291 15 1988 1.052 15 1989 1.369 15 1990 1.373 14 1991 1.238 14 1992 1.388 14 1993 1.233 14 1994 1.228 14 1995 0.935 14 1996 1.255 14 1997 1.152 14 1998 1.275 14 1999 1.364 14 2000 1.273 14 2001 1.098 14 2002 1.098 14 2003 1.06 14 2004 1.163 14 2005 1.17 14 2006 1.237 14 2007 1.151 14 2008 1.397 14 2009 1.427 14