# Touchan - Jebnoun - PIHA - ITRDB TUNI003 #---------------------------------------------------- # 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/9923 # 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-9923.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: drought #-------------------- # Resource_Links # # Data_Download_Resource: https://www.ncei.noaa.gov/pub/data/paleo/treering/measurements/africa/tuni003-crn-noaa.txt # Data_Download_Description: Raw Measurements - NOAA Template File; tuni003-crn-noaa.txt # # Related_Online_Resource: https://www.ncei.noaa.gov/pub/data/paleo/treering/chronologies/africa/tuni003.crn # Related_Online_Description: CRN File; Chronology - Tucson Decadal File # #-------------------- # Contribution_Date # Date: 2010-10-20 #-------------------- # File_Last_Modified_Date # Date: 2010-10-20 #-------------------- # Title # Study_Name: Touchan - Jebnoun - PIHA - ITRDB TUNI003 #-------------------- # Investigators # Investigators: Touchan, R. #-------------------- # Description_Notes_and_Keywords # Description: NOAA Template Chronology file added 2018-12-13. NOAA Template Raw Measurements file added 2019-05-01. #-------------------- # Publication # Authors: Ramzi Touchan, Kevin J. Anchukaitis, David M. Meko, Said Attalah, Christopher Baisan, Ali Aloui # Journal_Name: Climate Dynamics # Published_Title: Spatiotemporal drought variability in northwestern Africa over the last nine centuries # Published_Date_or_Year: 2011 # Volume: 37 # Pages: 237-252 # Issue: 1 # Report_Number: # DOI: 10.1007/s00382-010-0804-4 # Full_Citation: None # Abstract: Changes in precipitation patterns and the frequency and duration of drought are likely to be the feature of anthropogenic climate change that will have the most direct and most immediate consequences for human populations. The latest generation of state-of-the-art climate models project future widespread drying in the subtropics. Here, we reconstruct spatially-complete gridded Palmer drought severity index values back to A.D. 1179 over Morocco, Algeria, and Tunisia. The reconstructions provide long-term context for northwest African hydroclimatology, revealing large-scale regional droughts prior to the sixteenth century, as well as more heterogeneous patterns in sixteenth, eighteenth, and twentieth century. Over the most recent decades a shift toward dry conditions over the region is observed, which is consistent with general circulation model projections of greenhouse gas forced enhanced regional subtropical drought. #-------------------- # Funding_Agency # Funding_Agency_Name: US National Science Foundation # Grant: ESH0317288 #-------------------- # Site_Information # Site_Name: Jebnoun # Location: Tunisia # Northernmost_Latitude: 35.85 # Southernmost_Latitude: 35.85 # Easternmost_Longitude: 9.3 # Westernmost_Longitude: 9.3 # Elevation_m: 800 #-------------------- # Data_Collection # Collection_Name: TUNI003 # First_Year: 1874 # Last_Year: 2003 # Time_Unit: CE # Core_Length_m: # Parameter_Keywords: ring width # Notes: #-------------------- # Species # Species_Name: Pinus halepensis Mill. # Common_Name: Aleppo pine # Tree_Species_Code: PIHA #-------------------- # 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 1874 0.851 1 1875 0.381 1 1876 0.068 1 1877 0.261 1 1878 0.541 1 1879 0.559 1 1880 0.719 1 1881 0.711 1 1882 0.66 1 1883 1.145 1 1884 2.03 2 1885 2.758 2 1886 2.239 2 1887 1.575 2 1888 0.46 2 1889 0.622 2 1890 0.877 2 1891 0.772 2 1892 1.115 2 1893 0.384 2 1894 0.664 3 1895 0.473 3 1896 0.643 3 1897 0.588 3 1898 1.061 3 1899 0.899 3 1900 0.711 3 1901 0.73 4 1902 0.572 5 1903 0.565 5 1904 1.362 5 1905 0.956 6 1906 1.052 6 1907 1.378 6 1908 0.933 7 1909 0.921 7 1910 0.804 7 1911 1.24 8 1912 1.119 8 1913 1.018 8 1914 1.002 8 1915 1.294 9 1916 1.011 10 1917 0.647 10 1918 1.01 10 1919 0.978 10 1920 0.837 11 1921 1.123 11 1922 0.78 11 1923 0.903 11 1924 0.691 11 1925 0.747 11 1926 1.188 11 1927 0.628 11 1928 0.894 12 1929 1.292 13 1930 1.141 14 1931 0.725 14 1932 1.184 14 1933 1.518 15 1934 0.949 15 1935 0.946 15 1936 0.885 15 1937 0.663 15 1938 0.438 15 1939 1.101 16 1940 0.81 17 1941 0.856 17 1942 1.026 17 1943 1.035 17 1944 0.656 17 1945 0.395 17 1946 1.036 17 1947 0.564 17 1948 0.722 18 1949 1.403 18 1950 1.247 18 1951 0.808 20 1952 0.976 22 1953 1.073 23 1954 1.044 23 1955 0.806 23 1956 0.774 23 1957 0.916 23 1958 1.153 23 1959 1.711 23 1960 1.259 23 1961 0.678 23 1962 0.939 23 1963 1.185 23 1964 1.356 23 1965 0.981 24 1966 0.809 25 1967 0.711 25 1968 0.854 25 1969 0.699 25 1970 1.155 25 1971 0.982 25 1972 1.389 25 1973 1.331 25 1974 0.844 25 1975 0.838 25 1976 1.335 25 1977 1.232 25 1978 0.683 25 1979 0.775 25 1980 0.907 25 1981 0.903 25 1982 0.744 25 1983 0.958 25 1984 0.886 25 1985 0.995 25 1986 0.643 25 1987 1.1 25 1988 0.679 25 1989 0.766 25 1990 1.098 25 1991 1.325 25 1992 1.856 25 1993 1.424 25 1994 0.721 24 1995 0.432 24 1996 1.189 24 1997 0.838 24 1998 0.909 24 1999 1.275 24 2000 0.956 24 2001 0.927 24 2002 0.252 23 2003 1.416 21