Dataset: Vulnerability of blue carbon stocks to disturbance in sediments with low burial efficiency
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Update Summary (V2) This update includes the R scripts and datasets required to reproduce the plots and statistical analyses used in this study. Below is a list of the R files with corresponding figure numbers and the input files required for each script to run. Figure_2_3_GSA.R · Figure 2: Cluster analysis of grain size distributions (reads dataset: GSA_data_FG.csv) · Figure 3: Grain size distribution plots for individual cores (reads dataset: R_format_all.txt) PC003_Figure4.R · Produces plots for core PC003 as an example (reads dataset: PC003_samplesummary_R.txt, PC003_Bchron.csv and PC003_Bchron_results.txt) · To run for other cores, update the code with the desired core number and depth · Input files for cores PC004, PC005, and GC009 are available on Zenodo Figure_5_6_7_TOC_TGA.R · Figure 5: TOC vs. Depth (0–100 cm) for all cores (reads dataset: FG_all_TOC_mud.txt) · Figure 6a: TOC/mud vs. Depth (0–10 cm) relationships for all cores (reads dataset: FG_all_TOC_mud.txt) · Figure 6b: TN/TOC vs. Depth (0–10 cm) relationships for all cores (reads dataset: NTOC_depth_all.txt) · Figure 7: Thermogravimetric analysis profiles for PC003, PC004, and PC005 (reads dataset: FG_reactivity.csv) Figure_8_FG_age_depth.R · Plots calibrated radiocarbon dates (this study and published; reads dataset: FG_dates_published_new.txt) · Generates Bchron age-depth model (Figure 8; reads dataset: FG_Bchron_all.csv and FG_Bchron_Out_results.txt) Figure_9_BSS_RSL.R · Loads dataset containing Bed Shear Stress (BSS), Relative Sea Level (RSL), and Mean Water Depth over time (FG_BSS_R.csv) ------------------------------- V1 Files contain the following data for sediment cores PC003, PC004, PC005 and GC009: Dry bulk density (g/cm3) Water content (%) Gravel content (%) Sand content (%) Mud content (%) Folk scheme category CaCO3 (%) Total Carbon (TC; %) Total Inorganic Carbon (TIC; %) Total Organic Carbon (TOC; %) Total Nitrogen (TN; %) TN/TOC Core ID Latitude (°N) Longitude (°E) Water depth (m) Core length (cm) PC003 58.118 0.270 147 832 PC004 58.375 0.516 151 793 PC005 58.516 0.417 145 646 GC009 59.767 -0.445 141 180
更新说明(V2版) 本次更新包含本研究中用于复现所有图表与统计分析所需的R脚本及配套数据集。下文将按R脚本文件分类,列明各脚本对应的图表编号,以及运行该脚本所需的输入文件。 ### Figure_2_3_GSA.R · 图2:粒度分布聚类分析(读取数据集:`GSA_data_FG.csv`) · 图3:单根岩芯的粒度分布曲线(读取数据集:`R_format_all.txt`) ### PC003_Figure4.R · 以岩芯PC003为例生成绘图结果(读取数据集:`PC003_samplesummary_R.txt`、`PC003_Bchron.csv`及`PC003_Bchron_results.txt`) · 若需为其他岩芯运行该脚本,只需将代码中的目标岩芯编号与深度参数替换即可 · 岩芯PC004、PC005与GC009的输入文件可在Zenodo平台获取 ### Figure_5_6_7_TOC_TGA.R · 图5:所有岩芯的总有机碳(Total Organic Carbon, TOC)与深度(0–100 cm)关系图(读取数据集:`FG_all_TOC_mud.txt`) · 图6a:所有岩芯的总有机碳/泥质组分与深度(0–10 cm)相关性曲线(读取数据集:`FG_all_TOC_mud.txt`) · 图6b:总氮/总有机碳(Total Nitrogen/Total Organic Carbon, TN/TOC)与深度(0–10 cm)的相关性曲线(读取数据集:`NTOC_depth_all.txt`) · 图7:岩芯PC003、PC004与PC005的热重分析(Thermogravimetric Analysis, TGA)图谱(读取数据集:`FG_reactivity.csv`) ### Figure_8_FG_age_depth.R · 绘制校正后的放射性碳定年结果(涵盖本研究数据与已发表数据;读取数据集:`FG_dates_published_new.txt`) · 生成Bchron年代-深度模型(对应图8;读取数据集:`FG_Bchron_all.csv`与`FG_Bchron_Out_results.txt`) ### Figure_9_BSS_RSL.R · 加载包含床面剪切应力(Bed Shear Stress, BSS)、相对海平面(Relative Sea Level, RSL)及随时间变化的平均水深的数据集(`FG_BSS_R.csv`) --- ## V1版文件说明 本次V1版文件包含岩芯PC003、PC004、PC005与GC009的如下指标数据: · 干容重(单位:g/cm³) · 含水率(单位:%) · 砾石含量(单位:%) · 砂质含量(单位:%) · 泥质含量(单位:%) · 福克沉积物分类方案(Folk scheme category) · 碳酸钙(CaCO₃)含量(单位:%) · 总碳(Total Carbon, TC)含量(单位:%) · 无机碳(Total Inorganic Carbon, TIC)含量(单位:%) · 总有机碳(Total Organic Carbon, TOC)含量(单位:%) · 总氮(Total Nitrogen, TN)含量(单位:%) · 总氮/总有机碳(TN/TOC)比值 ### 各岩芯基础参数 岩芯编号 纬度(°N) 经度(°E) 水深(m) 岩芯长度(cm) PC003 58.118 0.270 147 832 PC004 58.375 0.516 151 793 PC005 58.516 0.417 145 646 GC009 59.767 -0.445 141 180



