PrestonCosslettKemeny/MEANDIR: MEANDIR v1.3 for Kemeny et al. (2023) in GBC

This release is MEANDIR version 1.3, which underlies the analysis reported in the manuscript "Arctic permafrost thawing enhances sulfide oxidation" submitted to Global Biogeochemical Cycles. Author list: Preston C. Kemeny, Gen K. Li, Madison Douglas, William Berelson, Austin J. Chadwick, Nathan F. Dalleska, Michael P. Lamb, William Larsen, John S. Magyar, Nick E. Rollins, Joel Rowland, M. Isabel Smith, Mark A. Torres, Samuel M. Webb, Woodward W. Fischer, and A. Joshua West