# Villanueva - Huachichil - PICM - ITRDB MEXI061 #---------------------------------------------------- # 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/20854 # 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-20854.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/mexi061-crn-noaa.txt # Data_Download_Description: Raw Measurements - NOAA Template File; mexi061-crn-noaa.txt # # Related_Online_Resource: https://www.ncei.noaa.gov/pub/data/paleo/treering/chronologies/northamerica/mexico/mexi061.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: Villanueva - Huachichil - PICM - ITRDB MEXI061 #-------------------- # Investigators # Investigators: Villanueva, J. #-------------------- # 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: Huachichil # Location: Mexico # Northernmost_Latitude: 25.208 # Southernmost_Latitude: 25.208 # Easternmost_Longitude: -100.825 # Westernmost_Longitude: -100.825 # Elevation_m: 2087 #-------------------- # Data_Collection # Collection_Name: MEXI061 # First_Year: 1869 # Last_Year: 2006 # Time_Unit: CE # Core_Length_m: # Parameter_Keywords: ring width # Notes: #-------------------- # Species # Species_Name: Pinus cembroides Zucc. # Common_Name: Mexican pinyon # Tree_Species_Code: PICM #-------------------- # 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 1869 0.816 1 1870 0.786 4 1871 0.793 6 1872 0.852 6 1873 0.927 7 1874 1.071 7 1875 1.159 7 1876 1.251 7 1877 1.215 7 1878 1.186 7 1879 1.058 7 1880 0.176 7 1881 0.975 7 1882 1.014 7 1883 0.923 7 1884 0.852 7 1885 1.058 7 1886 0.847 7 1887 0.6 9 1888 0.992 9 1889 0.78 9 1890 0.835 11 1891 0.769 12 1892 0.505 12 1893 0.678 13 1894 0.555 15 1895 0.773 16 1896 0.691 16 1897 1.137 16 1898 0.675 18 1899 0.569 18 1900 0.815 20 1901 0.782 21 1902 0.49 22 1903 1.004 22 1904 0.772 22 1905 0.944 23 1906 1.315 25 1907 1.093 26 1908 1.22 26 1909 0.889 28 1910 0.933 30 1911 1.069 30 1912 1.361 30 1913 1.569 31 1914 1.374 33 1915 1.335 36 1916 0.958 38 1917 0.585 40 1918 1.051 41 1919 1.243 42 1920 0.856 42 1921 0.799 43 1922 0.859 43 1923 1.036 43 1924 1.297 43 1925 1.067 46 1926 1.607 46 1927 1.206 47 1928 1.429 50 1929 0.776 52 1930 1.296 54 1931 1.534 55 1932 1.08 57 1933 1.326 57 1934 1.041 58 1935 1.116 59 1936 1.066 60 1937 1.267 60 1938 1.096 60 1939 1.16 60 1940 0.932 60 1941 1.138 60 1942 1.129 60 1943 1.003 60 1944 1.044 60 1945 1.164 60 1946 0.947 60 1947 1.096 60 1948 0.945 60 1949 1.091 60 1950 1.022 60 1951 0.674 60 1952 0.644 60 1953 0.357 60 1954 0.786 60 1955 0.264 60 1956 0.319 60 1957 0.373 60 1958 0.997 60 1959 1.243 60 1960 0.699 60 1961 1.033 60 1962 0.499 60 1963 0.828 60 1964 0.996 60 1965 0.831 60 1966 1.265 60 1967 1.107 60 1968 1.114 60 1969 0.785 60 1970 1.18 60 1971 0.939 59 1972 1.056 59 1973 1.079 59 1974 0.918 59 1975 0.721 59 1976 1.044 59 1977 1.435 59 1978 1.144 59 1979 1.272 59 1980 0.923 59 1981 1.32 58 1982 1.263 58 1983 1.412 58 1984 1.388 57 1985 1.314 57 1986 1.247 57 1987 1.412 57 1988 1.26 57 1989 0.925 57 1990 1.369 57 1991 1.091 55 1992 1.223 55 1993 1.038 55 1994 1.037 55 1995 0.944 55 1996 0.919 55 1997 0.994 55 1998 0.75 55 1999 0.568 55 2000 0.857 55 2001 0.869 54 2002 0.878 54 2003 1.166 54 2004 1.458 54 2005 1.296 54 2006 1.328 52