# Boswijk - Hoanga Road - AGAU - ITRDB NEWZ099 #----------------------------------------------------------------------- # 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/13914 # Description: NOAA Landing Page of study # Online_Resource: https://www1.ncdc.noaa.gov/pub/data/paleo/treering/measurements/australia/newz099-noaa.rwl # Description: Raw Measurements - NOAA Template File # Online_Resource: https://www1.ncdc.noaa.gov/pub/data/paleo/treering/measurements/australia/newz099.rwl # Description: Raw Measurements - Tucson Decadal File # # Archive: Treering # # Dataset_DOI: # # Parameter_Keywords: ring width #------------------- # Contribution_Date # Date: 2012-08-16 #------------------- # File_Last_Modified_Date # Date: 2019-02-01 #------------------- # Title # Study_Name: Boswijk - Hoanga Road - AGAU - ITRDB NEWZ099 #------------------- # Investigators: Boswijk, G.; Fowler, A.M. #------------------- # Description_Notes_and_Keywords # Description: NOAA Template Raw Measurements file added 2019-01-24. NOAA Template Raw Measurements file added 2019-02-01. #------------------- # Publication # Authors: # Journal_Name: Nature Climate Change # Published_Title: Multi-centennial tree-ring record of ENSO- related activity in New Zealand # Published_Date_or_Year: 2012 # Volume: # Pages: # Report_Number: # DOI: 10.1038/nclimate1374 # Full_Citation: Anthony M. Fowler, Gretel Boswijk, Andrew M. Lorrey, Joelle Gergis, Maryann Pirie, Shane P.J. McCloskey, Jonathan G. Palmer, and Jan Wunder. 2012. Multi-centennial tree-ring record of ENSO-related activity in New Zealand. # Nature Climate Change 2: 172 - 176. # DOI: 10.1038/nclimate1374 # Abstract: It is not known how global warming will affect the El Ni?o/Southern Oscillation (ENSO). The instrumental record is too short to discern centennial-scale trends and modelling results are inconclusive1, 2, 3, 4, 5. Proxy reconstructions indicate that ENSO activity was relatively high during the late twentieth century6, 7, 8, 9, 10, but whether this was unusual in the millennial context remains uncertain. Here we present insights into these issues derived from rings of the kauri tree (Agathis australis), a rare long-lived conifer endemic to the forests of northern New Zealand. Our results indicate that the twentieth century was the most `ENSO-active? century of the past 500 years, but may not be unique in the context of the past 700 years, and that ENSO activity comparable to or elevated above that experienced during the late twentieth century is plausible under warmer-than-present conditions. We also find evidence that there may have been significant changes in the ENSO teleconnection to the New Zealand region during the fourteenth and fifteenth centuries, and of multi-decadal fluctuations in ENSO-related activity building up to the present day. Although these two features may delay the expression of increased ENSO activity in the New Zealand region, our results indicate that New Zealand climate is likely to be more dominated by ENSO-related inter-annual variability as the world continues to warm. #------------------- # Site Information # Site_Name: Hoanga Road # Location: New Zealand # Northernmost_Latitude: -35.8667 # Southernmost_Latitude: -35.8667 # Easternmost_Longitude: 173.9167 # Westernmost_Longitude: 173.9167 # Elevation: 5 #------------------- # Data Collection # Collection_Name: NEWZ099 # Earliest_Year: 1093 # Most_Recent_Year: 1660 # Time_Unit: AD # Notes: #------------------- # Species # Species_Name: Agathis australis (D. Don) Loudon # Common_Name: kauri pine # Tree_Species_Code: AGAU #------------------- # Chronology_Information # Chronology: #--------------------- # Variables # Data variables follow that are preceded by '##' in columns one and two. # Variables list, one per line; shortname-tab- components: what, material, error, units, seasonality, archive, detail, method, C or N for Character or Numeric data,additional information) ## age_CE age,,,year Common Era,,tree ring,,,N, ## HOA001D_raw total ring width ,,,millimeter,,tree ring,,,N,Tree ID: HOA001D; units are 0.01 mm if end-of-series marker is 999 and 0.001 mm if end-of-series marker is -9999 ## HOA001A_raw total ring width ,,,millimeter,,tree ring,,,N,Tree ID: HOA001A; units are 0.01 mm if end-of-series marker is 999 and 0.001 mm if end-of-series marker is -9999 ## HOA001B_raw total ring width ,,,millimeter,,tree ring,,,N,Tree ID: HOA001B; units are 0.01 mm if end-of-series marker is 999 and 0.001 mm if end-of-series marker is -9999 #--------------------- # Data: # Missing_Values: NA age_CE HOA001D_raw HOA001A_raw HOA001B_raw 1093 203 NaN NaN 1094 210 NaN NaN 1095 78 NaN NaN 1096 195 NaN NaN 1097 97 NaN NaN 1098 114 NaN NaN 1099 161 NaN NaN 1100 229 NaN NaN 1101 87 NaN NaN 1102 263 NaN NaN 1103 197 NaN NaN 1104 114 NaN NaN 1105 213 NaN NaN 1106 269 NaN NaN 1107 230 NaN NaN 1108 236 NaN NaN 1109 203 NaN NaN 1110 266 NaN NaN 1111 98 NaN NaN 1112 245 NaN 218 1113 201 127 116 1114 276 208 146 1115 140 102 95 1116 181 173 191 1117 151 130 117 1118 129 116 82 1119 145 121 116 1120 208 195 234 1121 58 91 76 1122 79 146 124 1123 149 166 167 1124 137 133 139 1125 125 141 132 1126 128 222 210 1127 102 119 101 1128 199 165 264 1129 166 131 197 1130 91 83 86 1131 127 148 133 1132 92 134 117 1133 90 91 105 1134 187 213 213 1135 187 168 287 1136 182 152 246 1137 146 110 163 1138 186 215 292 1139 111 186 240 1140 89 214 175 1141 112 196 176 1142 77 150 120 1143 42 119 54 1144 56 113 85 1145 82 187 136 1146 28 49 39 1147 117 171 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