mrBayes

Code for manuscript on blue-green water partitioning of the Mississippi River Basin (MRB).

code/

• FINAL_mrb_ssn_object.R Builds spatial stream network for d-excess
• FINAL_d_SSN_mrbcode.R Builds spatial stream network model for d-excess
• FINAL_mrbayes_code.R Code for Bayesian isotope mass balance model
• MRBayes_sumstats.R Code for calculating ecohydrologic component summary statistics
• FINAL_blockstats_mrbayes.R Code tests if spatial patterns persist if posterior uncertainty is propagated
• FINAL_blue-green_bi-plots.R Code builds regional headwater vs downstream blue-green bivariate plots
• FINAL_ScalingLaw_mrb.R Code for analysing how climate coupling of blue–green water partitioning scales with catchment network position (Figure 4)
• FINAL_r2p_test.R Diagnostics for prior sensitivity and Qin/P structural artefacts in MRB Bayesian mass-balance modeling.
• FINAL_out-of-sample_test.R Out-of-sample residual and seasonal bias diagnostics for SSN river d-excess predictions in the Mississippi River Basin.

data/

All data files can be downloaded from doi:10.5281/zenodo.17545916

Data & folders only on doi:10.5281/zenodo.17545916

• mrb.rivFcopy.zip File for data used to build spatial stream network
• mrbevap.ssn.zip Final MRB Landscape Stream Network file for spatial stream network model
• posterior_matrix.rds Posterior matrix from MCMC sample parameters via MRB Bayesian isotope mass balance model
• dstreams_bay_extended.RDS MRB stream network with Bayesian isotope mass balance model component summary statistics

Data on mrBayes GitHub repository and doi:10.5281/zenodo.17545916

• dstreams_bay.RDS spatial stream network for d-excess
• GP_raw.RDS Great Plains polygon EPA's SDAM GP
• lowmrb.RDS Lower MRB watershed polygon HydroBASINS
• midmrb.RDS Middle MRB watershed polygon HydroBASINS
• ohiobas.RDS Ohio River watershed polygon HydroBASINS
• uppermrbbas.RDS Upper MRB watershed polygon HydroBASINS
• midlowmrb.RDS Middle-Lower MRB watershed polygon HydroBASINS
• mergedMRBpoly.RDS MRB watershed polygon HydroBASINS
• MRB_AI_mean_2013_2014.tif MRB Aridity Index PET/P, annual average (years 2013 & 2014) from TerraClimate
• 1764885248-data.csv MRB clipped stream and river water isotope data from repository at waterisotopes.org
• sites_18_19.RDS MRB clipped stream and river water isotope data from National Rivers and Streams Assessment 2018-2019 NRSA

out/

Figures generated from code