# Heron Island Reef Isopora Coral d18O and Sr/Ca Data 1971-2012 CE #---------------------------------------------------- # 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/22231 # 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-coral-22231.json # Study_Level_JSON_Description: JSON metadata of this data file's parent study, which includes all study metadata. # # Data_Type: Corals and Sclerosponges # # Dataset_DOI: 10.25921/nycg-vp29 # # Science_Keywords: #-------------------- # Resource_Links # # Data_Download_Resource: https://www.ncei.noaa.gov/pub/data/paleo/coral/west_pacific/great_barrier/brenner2017/brenner2017-gbr-noaa.txt # Data_Download_Description: NOAA Template File; Heron Island GBR Cores Data # #-------------------- # Contribution_Date # Date: 2017-06-09 #-------------------- # File_Last_Modified_Date # Date: 2025-08-22 #-------------------- # Title # Study_Name: Heron Island Reef Isopora Coral d18O and Sr/Ca Data 1971-2012 CE #-------------------- # Investigators # Investigators: Brenner, L.D.(https://orcid.org/0000-0003-2278-5382); Linsley, B.K.(https://orcid.org/0000-0003-2085-0662); Potts, D.C. #-------------------- # Description_Notes_and_Keywords # Description: Five corals with oxygen isotopes and trace metal records. # Provided Keywords: coral, great barrier reef, isopora #-------------------- # Publication # Authors: Brenner, Logan D., Braddock K. Linsley, and Donald C. Potts # Journal_Name: Paleoceanography # Published_Title: A Modern Sr/Ca-d18O-Sea Surface Temperature Calibration for Isopora corals on the Great Barrier Reef # Published_Date_or_Year: 2017 # Volume: 32 # Issue: 2 # Pages: 182-194 # Report_Number: # DOI: 10.1002/2016PA002973 # Full_Citation: # Abstract: Isopora (Acroporidae) is a genus of often encrusting, branching to submassive corals that are common in many shallow habitats on modern and fossil Indo-West Pacific reefs. Although abundant, Isopora is largely absent from paleoceanographic literature. The scarcity of large Porites and the abundance of Isopora retrieved from the Great Barrier Reef (GBR) on Integrated Ocean Drilling Program Expedition 325 focused paleoceanographic attention on Isopora. Here we provide the first independent high-resolution calibration of both Sr/Ca and δ18O for temperature analyses based on Isopora and demonstrate its consistency with Porites records. We developed modern skeletal Sr/Ca- and δ18O-sea surface temperature (SST) calibrations based on five modern Isopora colonies from Heron Island in the southern GBR. Pairing the coral Sr/Ca record with monthly SST data yielded Sr/Ca-SST sensitivities from −0.061 ± 0.004 (centered) to −0.083 ± 0.007 (raw) mmol/mol °C−1 based on reduced major axis regressions. These sensitivities are in the middle of the range of published Porites values and overlap most published values for Isopora, −0.075 ± 0.011 to −0.065 ± 0.011 mmol/mol °C−1. The δ18O-SST sensitivities range from −0.184 ± 0.014 (centered) to −0.185 ± 0.014 (raw) ‰ °C−1, assuming that all seasonal variation in δ18O was due to SST. These δ18O-SST sensitivities are smaller than the widely accepted value of −0.23‰ °C−1 for biogenic aragonite but are at the upper end of high-resolution Porites-defined sensitivities that are consistently less than the aforementioned established value. Our results validate the use of Isopora as an alternative source of paleoceanographic records in habitats where large massive Porites are scarce or absent. #-------------------- # Funding_Agency # Funding_Agency_Name: US National Science Foundation # Grant: OCE-1356948 #-------------------- # Site_Information # Site_Name: Heron Island Reef # Location: Australia # Northernmost_Latitude: -23.45 # Southernmost_Latitude: -23.45 # Easternmost_Longitude: 151.92 # Westernmost_Longitude: 151.92 # Elevation_m: #-------------------- # Data_Collection # Collection_Name: Heron Island GBR Brenner17 # First_Year: 1971 # Last_Year: 1976 # Time_Unit: CE # Core_Length_m: # Parameter_Keywords: trace metals, oxygen isotopes # Notes: #-------------------- # Chronology_Information # Chronology: # #-------------------- # 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) # ## age_CE age,,,year Common Era,,corals and sclerosponges,,,N, ## d18O_GBR538 delta 18O,Isopora sp.,,per mil PDB,,corals and sclerosponges,interpolated,isotope ratio mass spectrometry,N,12 pts per year interp; for core GBR538 ## SrCa_GBR538 strontium/calcium,Isopora sp.,,millimole per mole,,corals and sclerosponges,interpolated,inductively-coupled plasma atomic emission spectroscopy,N,12 pts per year interp; for core GBR538 ## d18O_GBR641A delta 18O,Isopora sp.,,per mil PDB,,corals and sclerosponges,interpolated,isotope ratio mass spectrometry,N,12 pts per year interp; for core GBR641A ## SrCa_GBR641A strontium/calcium,Isopora sp.,,millimole per mole,,corals and sclerosponges,interpolated,inductively-coupled plasma atomic emission spectroscopy,N,12 pts per year interp; for core GBR641A ## d18O_GBR637 delta 18O,Isopora sp.,,per mil PDB,,corals and sclerosponges,interpolated,isotope ratio mass spectrometry,N,12 pts per year interp; for core GBR637 ## SrCa_GBR637 strontium/calcium,Isopora sp.,,millimole per mole,,corals and sclerosponges,interpolated,inductively-coupled plasma atomic emission spectroscopy,N,12 pts per year interp; for core GBR637 #-------------------- # Data: # Data lines follow (have no #) # Data line format - tab-delimited text, variable short name as header # Missing_Values: NA age_CE d18O_GBR538 SrCa_GBR538 d18O_GBR641A SrCa_GBR641A d18O_GBR637 SrCa_GBR637 1976.5 NA NA -3.25954636 9.61876356 -3.08836242 9.38047144 1976.416667 NA NA -3.32392982 9.42061895 -3.34283767 9.43255053 1976.333333 NA NA -3.71909109 9.40702149 -3.65698233 9.22505387 1976.25 NA NA -3.6527312 9.37558517 -3.82340403 9.34519778 1976.166667 NA NA -4.21392365 9.30777064 -3.93563581 9.17400007 1976.083333 NA NA -4.19275621 9.1243401 -4.08440672 9.2216627 1976 NA NA -4.41190264 9.24329855 -4.57189864 9.24967696 1975.916667 NA NA -4.32005934 9.24018338 -4.51104938 9.2373129 1975.833333 NA NA -4.31534014 9.35040311 -4.18203452 9.2423602 1975.75 NA NA -4.18157132 9.36714199 -4.01847762 9.32560977 1975.666667 NA NA -3.86338572 9.38072685 -3.95250433 9.33063488 1975.583333 NA NA -3.83524166 9.27402977 -3.81486865 9.33838694 1975.5 NA NA -3.8390244 9.32845582 -3.69097841 9.28420023 1975.416667 NA NA -3.64820639 9.23947887 -3.62659114 9.37295021 1975.333333 NA NA -3.91634159 9.24793966 -3.67573673 9.42727505 1975.25 NA NA -3.93663967 9.18505963 -3.87165444 9.39484507 1975.166667 NA NA -4.16330104 9.12978984 -4.07820889 9.16679844 1975.083333 NA NA -4.34803357 9.12298102 -4.51385105 9.0785094 1975 -2.91218324 9.3118012 -4.31380365 9.27984655 -4.41268939 9.09106921 1974.916667 -3.33804073 9.28992926 -4.32854788 9.23293865 -4.42147699 9.06966955 1974.833333 -3.54667048 9.26269414 -4.17768967 9.29153824 -4.36603492 9.05264889 1974.75 -3.71365168 9.23477784 -4.02495621 9.21087529 -4.20097299 9.09284037 1974.666667 -3.5464441 9.32074996 -4.01453366 9.3100883 -4.03591106 9.23438709 1974.583333 -3.20607996 9.45264689 -3.91915535 9.33343187 -3.87084913 9.36661364 1974.5 -3.06831698 9.45273147 -3.70515509 9.42191028 -3.70578721 9.42487373 1974.416667 -3.07466929 9.62276991 -3.44045417 9.33876433 -3.54072528 9.47450312 1974.333333 -3.05675767 9.50718637 -3.77515557 9.37378205 -3.72124123 9.41448453 1974.25 -3.4002102 9.42361606 -4.07499112 9.30615952 -3.96693889 9.33330387 1974.166667 -3.44174417 9.36550003 -4.17855547 9.31878348 -4.18199055 9.47892422 1974.083333 -3.50266373 9.43150089 -4.38013355 9.23109006 -4.38297245 9.38746903 1974 -3.79496578 9.24404017 -4.42751468 9.22029303 -4.59299896 9.32758009 1973.916667 -3.2389062 9.5841377 -4.13265277 9.26761567 -4.42706147 9.40376941 1973.833333 -3.45981274 9.5484143 -4.00706717 9.3639983 -4.45031567 9.32694113 1973.75 -3.26124254 9.54152861 -4.12076115 9.5285821 -4.38840748 9.32733343 1973.666667 -3.32737017 9.59387048 -3.77109581 9.40171784 -4.21168942 9.24812269 1973.583333 -3.06665415 9.55787145 -3.74236281 9.50442218 -4.01739279 9.1891784 1973.5 -3.35185177 9.62767587 -3.7309173 9.43442548 -3.81024787 9.17043025 1973.416667 -3.06224759 9.64819995 -3.82727641 9.46932477 -3.82922132 9.21383308 1973.333333 -3.36241994 9.40609313 -3.91685674 9.47946519 -3.9191647 9.30763602 1973.25 -3.68497358 9.4214194 -4.21132073 9.22175423 -3.93638752 9.13633629 1973.166667 -3.810994 9.39124014 -4.42644879 9.31911747 -4.19198851 9.15009669 1973.083333 -4.12434669 9.4870241 -4.50120959 9.19961192 -4.42768444 9.14959796 1973 -3.86042605 9.26750327 -4.84792482 9.23050769 -4.55389573 9.02791087 1972.916667 -3.86655965 9.319198 -4.70943141 9.17850661 -4.42805954 9.189252 1972.833333 -3.88475287 9.58385141 -4.54854676 9.2878205 -4.18941819 9.2735934 1972.75 -3.57906224 9.42941446 -4.21629761 9.52611876 -4.07203223 9.23364466 1972.666667 -3.36977918 9.53866309 -4.28632834 9.49329826 -3.76692626 9.39088934 1972.583333 -2.98888697 9.50577277 -4.29483957 9.43689621 -3.6995999 9.2742839 1972.5 -3.06374512 9.58446998 -3.84630063 9.46127666 -3.51077581 9.32599622 1972.416667 -2.88993453 9.77020986 -4.06466868 9.4276428 -3.52544212 9.32664761 1972.333334 -3.14933031 9.49896952 -4.20668215 9.40372653 -4.00024479 9.23743425 1972.25 -3.23167459 9.53612813 -4.16307663 9.37326308 -4.11249449 9.20901166 1972.166667 -3.2050689 9.49550126 -4.05919334 9.36622716 -4.24937082 9.15584994 1972.083334 -3.51387636 9.5061101 -4.35457479 9.27586891 -4.20878733 9.11637875 1972 -3.45002849 9.45755793 -4.44913491 9.1938747 -4.32362749 9.16392654 1971.916667 -3.44028284 NA -4.26960068 9.24831617 -4.27940044 9.23612547 1971.833334 -3.48106015 NA -4.09498509 9.356731 -4.06606246 9.43825816 1971.75 -3.64619363 NA -3.63812726 9.4029391 -4.03861117 9.56052765 1971.666667 NA NA -3.57517569 9.41660032 -3.83516478 9.4232094 1971.583334 NA NA -3.99672994 9.29411563 NA 9.41350562 1971.5 NA NA -4.42485994 9.23407593 NA 9.38681519 1971.416667 NA NA -4.25766615 9.27449796 NA 9.50916361 1971.333334 NA NA -4.18666665 9.30545286 NA NA 1971.25 NA NA -3.95399949 9.36241724 NA NA 1971.166667 NA NA -3.99666598 9.45667132 NA NA