# Youngblut - Saskatchewan - PIAL - ITRDB CANA357 #----------------------------------------------------------------------- # 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/13788 # Description: NOAA Landing Page of study # Online_Resource: https://www1.ncdc.noaa.gov//pub/data/paleo/treering/chronologies/northamerica/canada/cana357-noaa.crn # Description: Chronology - NOAA Template File # # Original_Source_URL: https://www1.ncdc.noaa.gov/pub/data/paleo/treering/chronologies/northamerica/canada/cana357.crn # Description: Chronology - Tucson Decadal File # # Archive: Tree Ring # # Dataset_DOI: # # Parameter_Keywords: ring width #------------------- # Contribution_Date # Date: 2013-02-08 #------------------- # File_Last_Modified_Date # Date: 2018-12-14 #------------------- # Title # Study_Name: Youngblut - Saskatchewan - PIAL - ITRDB CANA357 #------------------- # Investigators: Youngblut, D.; Luckman, B.H. #------------------- # Description_Notes_and_Keywords # Description: NOAA Template Chronology file added 2018-12-14. #------------------- # Publication # Authors: Donald K. Youngblut and Brian H. Luckman # Journal_Name: Dendrochronologia # Published_Title: Evaluating the temperature sensitivity of radial growth patterns from whitebark pine in the western Canadian Cordillera # Published_Date_or_Year: 2013 # Volume: 31 # Pages: 16-28 # Report_Number: # DOI: 10.1016/j.dendro.2012.04.001 # Full_Citation: # Abstract: We present a network of thirteen annual ring-width chronologies from high elevation whitebark pine (Pinus albicaulis Engelm.) sites in the western Canadian Cordillera in order to assess the dendroclimatic potential of this long-lived tree species. The temperature signal within the chronologies is complex and strongly influenced by diverging trends in the summer temperature and ring-width records from across the region. A first differences transformation of the tree-ring and temperature records illustrates a loss of frequency coherence in growth response to summer temperatures following reduced radial growth in the 1950s. Prior to reduced growth, we note a positive association with summer temperatures for both first differenced (rd = 0.60) and traditional (r = 0.50) records. Following reduced growth, the association at first differences is maintained (rd = 0.49) whereas there is a change in the lower frequency component of tree growth response to summer temperatures (r = -0.34). We suggest the cause of this reduced temperature sensitivity is related to the interaction between diurnal temperature and cloud cover patterns, the hydrological regime of snowpack, and site conditions which have been amenable to the initiation of moisture stress during the latter half of the 20th century. Reduced radial growth is coincident with the arrival of white pine blister rust (Cronatium ribicola J.C. Fisch. ex Raben) into the study region which suggests this infestation may be related to the observed reduction in radial growth. Whitebark pine has considerable potential for the field of dendroclimatology. Unfortunately, the decline of the species due to the combined effects of climate change, white pine blister rust, mountain pine beetle (Dendroctonus ponderosae Hopk.), and forest fire exclusion practices indicate this potential may remain unfulfilled. #------------------- # Site_Information # Site_Name: Saskatchewan # Location: Alberta # Northernmost_Latitude: 52.15 # Southernmost_Latitude: 52.15 # Easternmost_Longitude: -117.0833 # Westernmost_Longitude: -117.0833 # Elevation: 1850 #------------------- # Data_Collection # Collection_Name: CANA357 # Earliest_Year: 950 # Most_Recent_Year: 1998 # Time_Unit: AD # Notes: #------------------- # Species # Species_Name: Pinus albicaulis Engelm. # Common_Name: whitebark pine # Tree_Species_Code: PIAL #------------------- # 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,standard,N, ## numsamp number of samples,,,count,,tree ring,,,N, # #-------------------- # Data: # Missing_Values: -999 age_CE trsgi numsamp 950 1050 1 951 993 1 952 792 1 953 727 1 954 823 1 955 893 1 956 967 1 957 1033 1 958 910 1 959 820 1 960 900 1 961 832 1 962 855 1 963 947 1 964 831 1 965 966 1 966 995 1 967 996 1 968 909 1 969 1059 1 970 981 1 971 923 1 972 1087 1 973 1046 1 974 1058 1 975 1000 1 976 896 1 977 1067 1 978 1039 1 979 1033 1 980 905 1 981 959 1 982 941 1 983 964 1 984 1081 1 985 996 1 986 1201 1 987 875 1 988 1052 1 989 1024 1 990 941 1 991 937 1 992 899 1 993 923 1 994 852 1 995 755 1 996 918 1 997 826 1 998 921 1 999 718 1 1000 668 1 1001 703 1 1002 700 1 1003 841 1 1004 800 1 1005 1010 1 1006 845 1 1007 778 1 1008 899 1 1009 913 1 1010 969 1 1011 886 1 1012 881 1 1013 974 1 1014 973 1 1015 865 2 1016 907 2 1017 900 2 1018 1010 2 1019 897 2 1020 913 2 1021 830 2 1022 798 2 1023 1081 2 1024 944 3 1025 812 4 1026 960 4 1027 1054 4 1028 802 4 1029 760 4 1030 862 4 1031 985 4 1032 804 4 1033 779 4 1034 841 4 1035 900 4 1036 961 4 1037 1056 4 1038 1156 4 1039 793 5 1040 889 5 1041 977 5 1042 877 5 1043 1026 5 1044 995 5 1045 1026 5 1046 870 5 1047 1310 5 1048 1224 5 1049 998 5 1050 939 5 1051 968 5 1052 877 5 1053 614 5 1054 948 5 1055 927 5 1056 1045 5 1057 1230 5 1058 968 5 1059 802 5 1060 830 5 1061 806 6 1062 743 6 1063 895 6 1064 861 6 1065 876 6 1066 940 6 1067 882 6 1068 844 6 1069 933 6 1070 971 6 1071 974 6 1072 864 6 1073 901 6 1074 878 6 1075 992 6 1076 978 6 1077 1402 6 1078 1191 6 1079 1186 6 1080 1225 6 1081 1079 6 1082 794 6 1083 992 6 1084 976 6 1085 1139 6 1086 1189 6 1087 1346 6 1088 1016 6 1089 1171 6 1090 1147 6 1091 1057 7 1092 919 7 1093 898 7 1094 1075 7 1095 1001 7 1096 953 7 1097 1333 7 1098 954 7 1099 997 7 1100 965 7 1101 1094 7 1102 1055 7 1103 1046 7 1104 1082 7 1105 1417 7 1106 1311 7 1107 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