# Central Nova Scotia Pollen Temperature and Precipitation Reconstructions during the Late Holocene #----------------------------------------------------------------------- # World Data Service for Paleoclimatology, Boulder # and # NOAA Paleoclimatology Program #----------------------------------------------------------------------- # 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 '#' followed by a space # Data lines have no '#' # # NOAA_Landing_Page: https://www.ncei.noaa.gov/access/paleo-search/study/37245 # 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-pollen-37245.json # Study_Level_JSON_Description: JSON metadata of this data file's parent study, which includes all study metadata. # # Data_Type: Climate Reconstructions # # Dataset_DOI: 10.25921/eq97-ec68 # # Science_Keywords: Air Temperature Reconstruction, Medieval Warm Period, Precipitation Reconstruction #--------------------------------------- # Resource_Links # # Data_Download_Resource: https://www.ncei.noaa.gov/pub/data/paleo/reconstructions/gajewski2023/gajewski2023-ns-susies-temp-precip.txt # Data_Download_Description: NOAA Template File; Susie's Lake Temperature and Precipitation Reconstructions # #--------------------------------------- # Contribution_Date # Date: 2023-01-20 #--------------------------------------- # File_Last_Modified_Date # Date: 2023-11-26 #--------------------------------------- # Title # Study_Name: Central Nova Scotia Pollen Temperature and Precipitation Reconstructions during the Late Holocene #--------------------------------------- # Investigators # Investigators: Gajewski, Konrad; Neil, Karen; Ponomarenko, Elena; Ershova, Ekaterina; Stewart, Bruce; Neily, Peter; Quigley, Eugene #--------------------------------------- # Description_Notes_and_Keywords # Description: High-resolution sampling; lake sediment charcoal and pollen; paleoclimate reconstruction using modern analogue technique. Lake locations: Chase Lake (45.732 N, -63.963 W, 65m), Rees Lake (44.749 N, -63.937 W, 92m), Susie's Lake (45.353 N, -61.676 W, 68m) #--------------------------------------- # Publication # Authors: Gajewski, K., Karen Neil, Elena Ponomarenko, Ekaterina Ershova, Bruce Stewart, Peter Neily, Eugene Quigley # Published_Date_or_Year: 2023-11-01 # Published_Title: Fire disturbance regime and vegetation response of the past 2500 years for central Nova Scotia # Journal_Name: Ecosphere # Volume: 14 # Edition: # Issue: 11 # Pages: # Report_Number: e4710 # DOI: 10.1002/ecs2.4710 # Online_Resource: # Full_Citation: # Abstract: The interaction between climate change and disturbances affects forest composition and dynamics, but most of our empirical knowledge comes from short-term studies of the past century. Pollen and charcoal analyses of lake sediment cores retrieved from three sites in Nova Scotia were used to produce a landscape-level analysis of long-term forest cover dynamics and fire disturbances of the past ~2500 years. The present-day forests had been established by that time, although a long-term increase in Picea at the expense of northern hardwoods was seen at all sites, consistent with other pollen records found across New England and Eastern Canada. The driving influences of forest change prior to European settlement were a combination of climate and disturbance, acting on site characteristics of each region. Fires were relatively infrequent in this region and did not have a major impact on the evolution of the forests of central Nova Scotia. Changes in the relative abundances of the tree taxa occurred in response to long-term cooling during the past 3000 years and century-scale climate variability such as the Little Ice Age (ce 1450–1850) and Medieval Warm Period (ce 800–1300). The impact of climate variability on the fire regime depends on the landscape and vegetation type. “Borealization” of the Acadian Forest, noted during the period of European colonization, has been occurring for millennia. #--------------------------------------- # Funding_Agency # Funding_Agency_Name: Nova Scotia Department of Natural Resources and Renewables # Grant: #--------------------------------------- # Site_Information # Site_Name: Susie's Lake # Location: Nova Scotia # Northernmost_Latitude: 45.353 # Southernmost_Latitude: 44.353 # Easternmost_Longitude: -61.676 # Westernmost_Longitude: -63.676 # Elevation_m: 68 #--------------------------------------- # Data_Collection # Collection_Name: Susie's Lake MAT Temp,Precip Gajweski2023 # First_Year: 2106 # Last_Year: -68 # Time_Unit: calendar year before present # Core_Length_m: 0.685 # Parameter_Keywords: air temperature, precipitation # Notes: #--------------------------------------- # Chronology_Information # Chronology: Radiocarbon # Chronology_Download_Resource: https://www.ncei.noaa.gov/pub/data/paleo/templates/noaa-wds-paleo-14c-terms.csv # Chronology_Download_Description: Radiocarbon terms and definitions. # Chronology_Notes: # Rejection_Rationale: # Reservoir_Method: # Calibration_Method: CALIB 6.0 (Stuiver and Reimer 1993; Reimer et al. 2013) # Age_Model_Method: rbacon3.1.0 (Blaauw&Christen, 2011) # Missing_Values: NaN # Chronology_Table: # samp_id depth_end_cm depth_start_cm age_14C_BP1950 age_14C_1s_yr age_calib_range2s_BP1950 lab_code material_dated calib_curve # Susie_19-21 19 21 510 15 544-514(95.4%) UOC-19159 plant IntCal # S01-A-29-30 29 30 880 35 912-727(95.4%) UOC-8318 plant IntCal # S02-A-40-41 40 41 1139 41 1174-1157(6.1%),1151-967(89.3%) UOC-8319 plant IntCal # Susie_47-49 47 49 1538 16 1511-1493(4.7%),1473-1453(8.5%),1418-1361(82.3%) UOC-19160 plant IntCal # S03-A-55-56 55 56 1830 41 1872-1693(90.4%),1666-1662(0.5%),1655-1629(4.5%) UOC-8320 plant IntCal # Susie_71-73 71 73 2230 25 2325-2297(17.7%),2262-2155(77.8%) UOC-19161 plant IntCal # S04-A-100-101 100 101 3068 63 3440-3433(0.5%),3401-3105(92.9%),3096-3077(1.9%) UOC-8321 plant IntCal # S05-A-123-124 123 124 3914 84 4572-4090(95.4%) UOC-8322 plant IntCal #--------------------------------------- # 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 list, one per line, shortname-tab-var components: what, material, error, units, seasonality, data type, detail, method, C or N for Character or Numeric data) # ## depth depth,,,centimeter,,climate reconstructions;pollen,,,N, ## age_bp age,,,calendar year before present,,climate reconstructions;pollen,,,, ## temp_jul_avg temperature,,,degree Celsius,jul,climate reconstructions;pollen,,modern analogue technique,N,average of three analogues; pollen ## precip_ann_avg precipitation,,,millimeter,annual,climate reconstructions;pollen,,modern analogue technique,N,average of three analogues; pollen ## temp_jul_best temperature,,,degree Celsius,jul,climate reconstructions;pollen,,modern analogue technique,N,temperature of the best analogue; pollen ## temp_jul_2d temperature,,,degree Celsius,jul,climate reconstructions;pollen,,modern analogue technique,N,temperature of the 2nd analogue; pollen ## temp_jul_3d temperature,,,degree Celsius,jul,climate reconstructions;pollen,,modern analogue technique,N,temperature of the 3rd analogue; pollen ## precip_ann_best precipitation,,,millimeter,annual,climate reconstructions;pollen,,modern analogue technique,N,precipitation of the best analogue; pollen ## precip_ann_2d precipitation,,,millimeter,annual,climate reconstructions;pollen,,modern analogue technique,N,precipitation of the 2nd analogue; pollen ## precip_ann_3d precipitation,,,millimeter,annual,climate reconstructions;pollen,,modern analogue technique,N,precipitation of the 3rd analogue; pollen ## minscd pollen,,squared chord distance,dimensionless,,pollen,,,N,squared chord distance of the best analogue ## scd2 pollen,,squared chord distance,dimensionless,,pollen,,,N,squared chord distance of the 2nd analogue ## scd3 pollen,,squared chord distance,dimensionless,,pollen,,,N,squared chord distance of the 3rd analogue #------------------------ # Data: # Data lines follow (have no #) # Data line format - tab-delimited text, variable short name as header # Missing_Values: n/a depth age_bp temp_jul_avg precip_ann_avg temp_jul_best temp_jul_2d temp_jul_3d precip_ann_best precip_ann_2d precip_ann_3d minscd scd2 scd3 0 -68 18.4 1043 18.5 18.1 18.7 1067 1126 935 0.090 0.106 0.109 0.5 -52 18.5 1115 18.7 18.1 18.6 1063 1126 1156 0.106 0.108 0.108 1 -36 18.3 1109 18.1 18.7 18.1 1126 1063 1138 0.083 0.089 0.105 1.5 -20 17.8 1082 18.1 17.5 17.8 1126 1022 1099 0.097 0.098 0.103 2 -4 17.9 1095 18.1 18.1 17.5 1138 1126 1022 0.084 0.087 0.088 2.5 12 17.8 1113 18.1 18.5 16.9 1126 1067 1146 0.109 0.118 0.121 3 28 18.4 1069 18.1 18.7 18.3 1126 935 1147 0.083 0.099 0.103 3.5 44 18.4 1112 18.3 18.7 18.1 1147 1063 1126 0.090 0.091 0.091 4 60 18.2 1137 18.1 18.1 18.3 1126 1138 1147 0.063 0.085 0.089 4.5 76 18.5 1041 18.7 18.7 18.1 1063 935 1126 0.119 0.130 0.131 5 92 17.6 1129 18.1 18.3 16.3 1126 1147 1114 0.075 0.093 0.096 5.5 111 17.6 1129 16.3 18.1 18.3 1114 1126 1147 0.071 0.078 0.082 6 131 14.7 1288 16.3 13.5 14.3 1114 1512 1239 0.084 0.088 0.096 6.5 150 16.6 1259 18.1 13.5 18.1 1126 1512 1138 0.050 0.068 0.075 7 169 17.7 1132 18.1 18.6 16.3 1126 1156 1114 0.063 0.077 0.082 7.5 188 15.3 1173 14.3 15.2 16.3 1239 1165 1114 0.098 0.101 0.102 8 208 15.5 1156 15.0 15.2 16.3 1188 1165 1114 0.082 0.091 0.098 8.5 228 15.2 1214 15.0 16.3 14.2 1188 1114 1339 0.064 0.072 0.074 9 247 14.5 1255 15.0 14.3 14.2 1188 1239 1339 0.081 0.081 0.084 9.5 263 15.5 1156 15.0 15.2 16.3 1188 1165 1114 0.056 0.059 0.064 10 280 14.8 1231 15.0 15.2 14.2 1188 1165 1339 0.073 0.074 0.086 10.5 294 15.5 1156 15.0 15.2 16.3 1188 1165 1114 0.075 0.075 0.083 11 309 14.8 1231 15.0 14.2 15.2 1188 1339 1165 0.074 0.077 0.080 11.5 323 14.5 1255 15.0 14.2 14.3 1188 1339 1239 0.062 0.067 0.071 12 339 15.8 1184 18.1 15.0 14.3 1126 1188 1239 0.072 0.076 0.078 12.5 354 14.8 1197 14.3 15.2 15.0 1239 1165 1188 0.080 0.080 0.083 13 368 16.2 1185 15.0 18.1 15.5 1188 1126 1241 0.067 0.081 0.085 13.5 385 16.0 1161 15.0 15.2 17.8 1188 1165 1130 0.064 0.069 0.090 14 402 14.8 1197 15.0 14.3 15.2 1188 1239 1165 0.063 0.071 0.082 14.5 417 16.1 1160 15.0 18.1 15.2 1188 1126 1165 0.075 0.089 0.091 15 433 17.3 1125 15.0 18.8 18.1 1188 1060 1126 0.060 0.074 0.078 15.5 445 15.5 1156 15.0 15.2 16.3 1188 1165 1114 0.073 0.083 0.094 16 458 15.2 1180 15.0 16.3 14.3 1188 1114 1239 0.058 0.064 0.071 16.5 470 14.8 1197 15.0 15.2 14.3 1188 1165 1239 0.056 0.056 0.062 17 482 14.8 1197 15.0 14.3 15.2 1188 1239 1165 0.080 0.082 0.086 17.5 493 17.4 1092 15.0 18.2 18.9 1188 1016 1071 0.048 0.064 0.068 18 504 15.2 1198 15.0 15.5 15.2 1188 1241 1165 0.055 0.073 0.076 18.5 515 16.1 1166 15.0 18.9 14.3 1188 1071 1239 0.078 0.079 0.083 19 525 16.2 1148 15.0 15.5 18.2 1188 1241 1016 0.061 0.071 0.074 19.5 536 15.2 1198 15.2 15.0 15.5 1165 1188 1241 0.063 0.067 0.068 20 548 16.1 1166 15.0 18.9 14.3 1188 1071 1239 0.079 0.080 0.080 20.5 561 16.4 1163 15.0 15.5 18.8 1188 1241 1060 0.077 0.086 0.086 21 577 16.2 1144 15.0 15.5 18.0 1188 1241 1002 0.059 0.063 0.076 21.5 592 16.1 1166 15.0 18.9 14.3 1188 1071 1239 0.056 0.066 0.067 22 609 15.6 1181 15.0 15.5 16.3 1188 1241 1114 0.063 0.074 0.076 22.5 625 14.7 1314 15.0 15.5 13.5 1188 1241 1512 0.072 0.077 0.080 23 641 16.5 1167 18.9 15.0 15.5 1071 1188 1241 0.066 0.080 0.080 23.5 656 14.9 1223 15.5 15.0 14.3 1241 1188 1239 0.069 0.083 0.091 24 670 14.9 1223 14.3 15.5 15.0 1239 1241 1188 0.055 0.060 0.062 24.5 685 14.7 1314 15.5 13.5 15.0 1241 1512 1188 0.072 0.085 0.088 25 699 17.5 1139 18.9 14.3 19.3 1071 1239 1107 0.043 0.055 0.061 25.5 710 16.5 1167 18.9 15.0 15.5 1071 1188 1241 0.071 0.075 0.080 26 721 15.2 1198 15.0 15.2 15.5 1188 1165 1241 0.059 0.070 0.070 26.5 731 14.7 1314 15.5 15.0 13.5 1241 1188 1512 0.055 0.060 0.065 27 741 16.1 1186 15.5 15.0 17.8 1241 1188 1130 0.058 0.068 0.072 27.5 753 17.7 1122 18.9 15.0 19.3 1071 1188 1107 0.049 0.052 0.064 28 765 16.5 1167 15.5 15.0 18.9 1241 1188 1071 0.062 0.071 0.077 28.5 775 14.9 1223 15.5 15.0 14.3 1241 1188 1239 0.039 0.056 0.057 29 786 15.5 1275 13.5 18.1 15.0 1512 1126 1188 0.060 0.065 0.068 29.5 796 14.7 1314 15.0 13.5 15.5 1188 1512 1241 0.060 0.060 0.062 30 807 16.5 1167 15.0 18.9 15.5 1188 1071 1241 0.063 0.068 0.070 30.5 819 17.6 1119 18.0 15.2 19.5 1002 1165 1189 0.057 0.057 0.058 31 830 17.4 1092 15.0 18.9 18.2 1188 1071 1016 0.058 0.069 0.072 31.5 843 16.1 1166 15.0 18.9 14.3 1188 1071 1239 0.059 0.062 0.062 32 856 16.5 1167 15.0 18.9 15.5 1188 1071 1241 0.061 0.065 0.070 32.5 868 17.4 1092 18.9 18.2 15.0 1071 1016 1188 0.068 0.071 0.074 33 881 16.5 1167 15.5 18.9 15.0 1241 1071 1188 0.062 0.071 0.071 33.5 893 17.4 1092 15.0 18.9 18.2 1188 1071 1016 0.043 0.049 0.050 34 905 17.8 1114 18.9 19.3 15.2 1071 1107 1165 0.038 0.055 0.056 34.5 917 18.3 1038 18.9 18.2 17.9 1071 1016 1027 0.059 0.063 0.069 35 928 16.4 1141 18.9 15.0 15.2 1071 1188 1165 0.050 0.055 0.073 35.5 941 18.5 1080 18.9 19.3 17.3 1071 1107 1063 0.035 0.041 0.048 36 955 18.4 1033 18.9 18.2 18.2 1071 1016 1013 0.050 0.056 0.063 36.5 969 18.6 1045 19.3 18.2 18.2 1107 1016 1013 0.045 0.052 0.054 37 983 17.9 1031 18.2 18.2 17.3 1013 1016 1063 0.053 0.060 0.063 37.5 996 17.4 1092 15.0 18.2 18.9 1188 1016 1071 0.068 0.072 0.075 38 1010 15.8 1181 15.0 18.2 14.2 1188 1016 1339 0.054 0.057 0.059 38.5 1023 17.4 1092 18.2 15.0 18.9 1016 1188 1071 0.052 0.057 0.062 39 1035 17.5 1104 15.0 18.2 19.3 1188 1016 1107 0.054 0.066 0.074 39.5 1047 17.8 1018 18.2 18.0 17.3 989 1002 1063 0.068 0.069 0.072 40 1059 17.4 1092 15.0 18.2 18.9 1188 1016 1071 0.053 0.057 0.057 40.5 1076 17.5 1104 15.0 19.3 18.2 1188 1107 1016 0.055 0.057 0.058 41 1092 14.9 1223 15.5 15.0 14.3 1241 1188 1239 0.065 0.068 0.071 41.5 1111 16.1 1166 18.9 15.0 14.3 1071 1188 1239 0.055 0.062 0.066 42 1131 17.5 1095 15.0 18.2 19.3 1188 989 1107 0.038 0.056 0.061 42.5 1151 16.4 1141 15.2 18.9 15.0 1165 1071 1188 0.048 0.049 0.050 43 1171 17.7 1122 18.9 15.0 19.3 1071 1188 1107 0.052 0.054 0.059 43.5 1190 17.8 1114 18.9 19.3 15.2 1071 1107 1165 0.048 0.057 0.061 44 1209 16.5 1167 18.9 15.0 15.5 1071 1188 1241 0.062 0.063 0.064 44.5 1225 15.8 1257 15.0 18.9 13.5 1188 1071 1512 0.083 0.089 0.106 45 1241 17.7 1122 18.9 15.0 19.3 1071 1188 1107 0.048 0.049 0.063 45.5 1262 19.0 1079 19.3 18.9 18.8 1107 1071 1060 0.043 0.046 0.054 46 1284 16.4 1141 18.9 15.0 15.2 1071 1188 1165 0.066 0.084 0.092 46.5 1306 17.7 1122 18.9 19.3 15.0 1071 1107 1188 0.051 0.055 0.057 47 1328 17.7 1122 18.9 15.0 19.3 1071 1188 1107 0.048 0.052 0.063 47.5 1353 16.4 1141 18.9 15.2 15.0 1071 1165 1188 0.053 0.059 0.064 48 1376 16.2 1185 15.0 15.5 18.1 1188 1241 1126 0.053 0.070 0.072 48.5 1398 15.2 1198 15.5 15.2 15.0 1241 1165 1188 0.055 0.065 0.068 49 1418 16.5 1167 18.9 15.0 15.5 1071 1188 1241 0.060 0.061 0.065 49.5 1437 14.8 1231 15.0 15.2 14.2 1188 1165 1339 0.080 0.089 0.092 50 1456 16.5 1167 18.9 15.0 15.5 1071 1188 1241 0.079 0.094 0.099 50.5 1477 16.4 1141 15.0 15.2 18.9 1188 1165 1071 0.078 0.080 0.083 51 1501 17.6 1106 18.9 15.0 18.8 1071 1188 1060 0.068 0.074 0.081 51.5 1522 17.8 1114 18.9 19.3 15.2 1071 1107 1165 0.046 0.062 0.064 52 1544 16.4 1141 15.0 18.9 15.2 1188 1071 1165 0.050 0.059 0.065 52.5 1567 17.5 1139 18.9 14.3 19.3 1071 1239 1107 0.050 0.073 0.075 53 1589 17.7 1122 15.0 19.3 18.9 1188 1107 1071 0.075 0.082 0.090 53.5 1610 16.9 1122 14.2 18.2 18.3 1339 1016 1011 0.048 0.057 0.057 54 1632 14.9 1223 15.0 15.5 14.3 1188 1241 1239 0.072 0.079 0.089 54.5 1654 16.1 1166 15.0 18.9 14.3 1188 1071 1239 0.084 0.087 0.090 55 1675 16.2 1185 15.0 15.5 18.1 1188 1241 1126 0.073 0.079 0.082 55.5 1693 17.8 1111 19.3 18.8 15.2 1107 1060 1165 0.086 0.094 0.096 56 1710 16.6 1179 15.0 19.3 15.5 1188 1107 1241 0.081 0.092 0.096 56.5 1727 16.5 1159 15.5 18.9 15.2 1241 1071 1165 0.093 0.108 0.111 57 1744 16.1 1186 15.5 15.0 17.8 1241 1188 1130 0.064 0.064 0.071 57.5 1760 17.7 1112 15.5 19.3 18.2 1241 1107 989 0.075 0.101 0.111 58 1777 16.4 1163 15.5 15.0 18.8 1241 1188 1060 0.060 0.088 0.098 58.5 1793 15.7 1293 15.5 13.5 18.1 1241 1512 1126 0.058 0.094 0.095 59 1809 17.6 1177 15.5 19.3 18.1 1241 1164 1126 0.079 0.081 0.084 59.5 1823 16.2 1185 15.5 15.0 18.1 1241 1188 1126 0.066 0.101 0.113 60 1835 16.2 1139 15.5 15.0 18.2 1241 1188 989 0.064 0.072 0.092 60.5 1853 15.2 1198 15.5 15.0 15.2 1241 1188 1165 0.058 0.083 0.090 61 1870 14.7 1314 15.5 15.0 13.5 1241 1188 1512 0.055 0.065 0.078 61.5 1886 16.2 1185 15.5 15.0 18.1 1241 1188 1126 0.046 0.070 0.072 62 1903 15.2 1198 15.5 15.0 15.2 1241 1188 1165 0.073 0.080 0.082 62.5 1919 14.8 1197 14.3 15.2 15.0 1239 1165 1188 0.057 0.063 0.063 63 1937 14.7 1314 15.5 15.0 13.5 1241 1188 1512 0.046 0.070 0.071 63.5 1954 16.2 1144 15.5 18.0 15.0 1241 1003 1188 0.050 0.082 0.082 64 1971 15.7 1247 15.5 18.2 13.5 1241 989 1512 0.048 0.072 0.080 64.5 1988 14.7 1306 15.5 13.5 15.2 1241 1512 1165 0.052 0.075 0.077 65 2005 16.2 1185 15.5 15.0 18.1 1241 1188 1126 0.090 0.091 0.097 65.5 2019 15.2 1198 15.5 15.2 15.0 1241 1165 1188 0.067 0.072 0.085 66 2033 15.2 1198 15.5 15.0 15.2 1241 1188 1165 0.094 0.101 0.107 66.5 2047 16.7 1190 15.5 15.2 19.3 1241 1165 1164 0.072 0.076 0.077 67 2061 16.7 1198 15.5 15.2 19.5 1241 1165 1189 0.053 0.070 0.076 67.5 2077 16.4 1178 15.5 15.0 18.8 1241 1188 1104 0.070 0.083 0.087 68 2091 14.1 1334 15.2 15.5 11.7 1165 1241 1597 0.091 0.098 0.098 68.5 2106 16.7 1171 19.3 15.5 15.2 1107 1241 1165 0.074 0.078 0.081