Data for: How 17O excess in clumped isotope reference frame materials and ETH standards affects reconstructed temperature.
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Equilibrations_Log_v2.2.csv: Summary of preparatory line and mass spectrometer data for equilibrations. Columns titles describe the following: samplename: full sample name shortname: short name g2bkgnd: preparatory line background pressure O2_initial_pressure_warm_predicted: initial O2 pressure, estimated for room temperature. CO2_initial_pressure_predicted: initial CO2 pressure, estimated for room temperature. equil_starting_pressure: pressure at beginning of equilibration O2_CO2_ratio: estimate of O2 to CO2 ratio. Note this value differs subtly from beta, which is calculated from mass spectrometer delta values O2_final_transfer_residual: residual pressure for transfer of O2 to manifold CO2_final_transfer_residual: residual pressure for transfer of CO2 to breakseal equil_duration: equilibration duration H2_O2_cleanse: flag if preparatory line was “cleaned” with H2 and O2 sampletype: flag for sample type O2in d17O vsmow: initial 17O of O2 O2in d18O vsmow: initial 18O of O2 O2in D17O vsmow: initial ∆17O of O2 CO2in d13C vpdb: initial 13C of CO2 CO2in d18O vsmow: initial 18O of CO2 CO2f d13C vpdb: final 13C of CO2 CO2f d13C std: standard deviation of final 13C of CO2 CO2f d18O vsmow: final 18O of CO2 CO2f d18O std: standard deviation of final 18O of CO2 O2f d17O vsmow: final 17O of O2 O2f d17O std: standard deviation of final 17O of O2 O2f d18O vsmow: final 18O of O2 O2f d18O std: standard deviation of final 18O of O2 O2f D17O vsmow: final ∆17O of O2 O2f D17O stderr: standard error of final ∆17O of O2 flag: flag for erroneous data carb17O_DD47_samples: Comparison of ∆47 calculated with the 17O correction parameters of Brand et al., (2010) (D47_Brand), Brand parameters as modified by Daëron et al., (2016) (D47_17OxsZero) and measured ∆17O of reference frame materials (D47_17OxsRG) for 2006 carbonates measured in a recent reference frame. carb17O_DD47_ETH: As in carb17O_DD47_samples, for only ETH standard data. The additional effect of carbonate ∆17O is reflected in D47_17OxsAll. 17Ocarb_ChemGeo.R: R script for all manuscript calculations and figures using the 3 files described above.
Equilibrations_Log_v2.2.csv:平衡实验预处理管路与质谱数据汇总表。各列含义如下: samplename:样本全名 shortname:样本简称 g2bkgnd:预处理管路本底压力 O2_initial_pressure_warm_predicted:经室温估算的初始氧气压力 CO2_initial_pressure_predicted:经室温估算的初始二氧化碳压力 equil_starting_pressure:平衡实验起始压力 O2_CO2_ratio:氧气与二氧化碳分压比的估算值。需注意该值与β值存在细微差异,β值由质谱δ值计算得到 O2_final_transfer_residual:氧气向歧管转移后的残余压力 CO2_final_transfer_residual:二氧化碳向破封装置转移后的残余压力 equil_duration:平衡实验时长 H2_O2_cleanse:标记预处理管路是否经氢气与氧气吹扫净化的字段 sampletype:样本类型标记字段 O2in d17O vsmow:初始氧气的δ¹⁷O值(维也纳标准平均海洋水,Vienna Standard Mean Ocean Water, VSMOW) O2in d18O vsmow:初始氧气的δ¹⁸O值(VSMOW标度) O2in D17O vsmow:初始氧气的Δ¹⁷O值(VSMOW标度) CO2in d13C vpdb:初始二氧化碳的δ¹³C值(维也纳佩迪箭石标准,Vienna Pee Dee Belemnite, VPDB) CO2in d18O vsmow:初始二氧化碳的δ¹⁸O值(VSMOW标度) CO2f d13C vpdb:最终二氧化碳的δ¹³C值(VPDB标度) CO2f d13C std:最终二氧化碳δ¹³C值的标准偏差 CO2f d18O vsmow:最终二氧化碳的δ¹⁸O值(VSMOW标度) CO2f d18O std:最终二氧化碳δ¹⁸O值的标准偏差 O2f d17O vsmow:最终氧气的δ¹⁷O值(VSMOW标度) O2f d17O std:最终氧气δ¹⁷O值的标准偏差 O2f d18O vsmow:最终氧气的δ¹⁸O值(VSMOW标度) O2f d18O std:最终氧气δ¹⁸O值的标准偏差 O2f D17O vsmow:最终氧气的Δ¹⁷O值(VSMOW标度) O2f D17O stderr:最终氧气Δ¹⁷O值的标准误差 flag:异常数据标记字段 carb17O_DD47_samples:针对2006年采集的碳酸盐样本,对比采用Brand等人(2010)提出的¹⁷O校正参数计算得到的Δ47值(记为D47_Brand)、经Daëron等人(2016)修正的Brand参数计算得到的Δ47值(记为D47_17OxsZero),以及参考物质实测Δ¹⁷O值对应的Δ47值(记为D47_17OxsRG),所有计算基于最新参考框架完成。 carb17O_DD47_ETH:与carb17O_DD47_samples内容一致,仅包含ETH标准样本数据。碳酸盐Δ¹⁷O的额外影响体现在D47_17OxsAll指标中。 17Ocarb_ChemGeo.R:用于完成本文所有计算与绘图的R脚本,依赖上述3个数据文件。



