GSLmodern

Data and code for manuscript on sedimentary isotope record of human impacts to Great Salt Lake, UT

code/

Scripts used for data analysis and plotting

• X1_prep210.R Helper functions for 210Pb modeling
• X2_prep14C.R Helper functions for 14C reservoir age modeling
• X3_prepFigs.R Helper functions for plotting
• 01_ageModel210.R Fit 210Pb age models
• 02_reservoirAges.R Calculate reservoir ages
• 11_Figure1.R Plot Fig 1
• 12_Figure2.R Plot Fig 2
• 13_FigureS1.R Plot Fig S1
• 14_FigureS2.R Plot Fig S2
• models/Cmodel.R Carbon isotope mixing model for GSL DIC
• models/Omodel.R Oxygen isotope mass balance model for GSL water
• models/model210.R Unsupported 210Pb age model

data/

Data assets used in analysis

• bombCurve.csv Calibration curve data from Hua, et al. (2022)
• GSL_brines.csv GSL brine chemistry data from Utah Geological Survey
• intcal20.14C IntCal20 calibration curve data
• longCarb.csv New carbonate isotope data from the long (Holocene) GLAD1B core
• longReservoir.csv 14C data and reservoir age estimates for the GLAD1B core from Bowen, et al. (2019)
• pb210.csv 210Pb and physical property data for Common Era cores from Oliver, et al. (2009)
• shortAll.csv New isotope data from short (Common Era) cores

out/

Objects output by code, including data products and figures