README -- Describes contents of HEMCO/MERCURY/v2014-09/Hg2_PARTITION directory 12 Mar 2015 GEOS-Chem Support Team geos-chem-support@g.harvard.edu Overview: =============================================================================== This directory contains concentrationons of aerosols (in COARDS-compliant netCDF format) required for the Hg2 partitioning algorithm in the GEOS-Chem mercury simulation. Files: =============================================================================== aero.IJ_AVG.2007.geos5.2x25.nc -- COARDS-compliant netCDF file containing: * v8.02.03, run by Lin Zhang, GEOS5, 2x25, full chem, simulated year 2007 * "IJ-AVG-$" tracer mixing ratios (ppbv) of major aerosol types * used by ocean_mercury_mod.f, SUBROUTINE PARTITION_Hg2 for Hg2 gas-particle partitioning onto non-sea salt aerosol NOTE: The IJ-AVG-$ diagnostics used here are from a 54 tracer run (with SOA tracers). The 54 tracer run is now obsolete and has been extended to 59 tracers as of v8-03-01. File contents: -------------- # Category Tracer Tr # Unit Tau0 YYYYMMDDhh #I #J #L 1 : IJ-AVG-$ SO4 27 ppbv 192840.00(2007010100) 72 46 40 2 : IJ-AVG-$ SO4s 28 ppbv 192840.00(2007010100) 72 46 40 3 : IJ-AVG-$ NH4 31 ppbv 192840.00(2007010100) 72 46 40 4 : IJ-AVG-$ NIT 32 ppbv 192840.00(2007010100) 72 46 40 5 : IJ-AVG-$ NITs 33 ppbv 192840.00(2007010100) 72 46 40 6 : IJ-AVG-$ BCPI 34 ppbv 192840.00(2007010100) 72 46 40 7 : IJ-AVG-$ OCPI 35 ppbv 192840.00(2007010100) 72 46 40 8 : IJ-AVG-$ BCPO 36 ppbv 192840.00(2007010100) 72 46 40 9 : IJ-AVG-$ OCPO 37 ppbv 192840.00(2007010100) 72 46 40 10 : IJ-AVG-$ DST1 49 ppbv 192840.00(2007010100) 72 46 40 11 : IJ-AVG-$ DST2 50 ppbv 192840.00(2007010100) 72 46 40 12 : IJ-AVG-$ DST3 51 ppbv 192840.00(2007010100) 72 46 40 13 : IJ-AVG-$ DST4 52 ppbv 192840.00(2007010100) 72 46 40 14 : IJ-AVG-$ SALA 53 ppbv 192840.00(2007010100) 72 46 40 15 : IJ-AVG-$ SALC 54 ppbv 192840.00(2007010100) 72 46 40 etc. There are 11 other data times dated 2007020100 ... 2007120100 Resolution : GEOS-Chem 2 x 2.5 grid (144 x 91 boxes) Units : ppbv Timestamps : 2007/01/01 Compression : Level 1 (e.g. nccopy -d1) diaginfo.dat tracerinfo.dat - Index files that are needed to read these data files with the GAMAP plotting package. References: =============================================================================== Amos, H. M., D. J. Jacob, C. D. Holmes, J. A. Fisher, Q. Wang, R. M. Yantosca, E. S. Corbitt, E. Galarneau, A. P. Rutter, M. S. Gustin, A. Steffen, J. J. Schauer, J. A. Graydon, V. L. St. Louis, R. W. Talbot, E. S. Edgerton, Y. Zhang, and E. M. Sunderland, "Gas-Particle Partitioning of Atmopsheric Hg(II) and Its Effect on Global Mercury Deposition", __Atmos. Chem. Phys.__, 12,591-603, 2012. How the netCDF file was created: =============================================================================== Bob Yantosca converted the bpch files in the prior GEOS_2x25/mercury_201007/ data directory to netCDF using the GAMAP routine BPCH2COARDS, following the procedure outlined here: http://wiki.geos-chem.org/Preparing_data_files_for_use_with_HEMCO#Converting_files_from_binary_punch_format_to_netCDF The following NCO operations were then done to edit attributes for better COARDS compliance: ncatted -a long_name,lev,o,c,"GEOS-Chem levels" aero.IJ_AVG.2007.geos5.2x25.nc ncrename -v IJ_AVG_S__SO4,SO4 aero.IJ_AVG.2007.geos5.2x25.nc ncatted -a gamap_category,SO4,o,c,"IJ-AVG-$" aero.IJ_AVG.2007.geos5.2x25.nc ncrename -v IJ_AVG_S__SO4s,SO4s aero.IJ_AVG.2007.geos5.2x25.nc ncatted -a gamap_category,SO4s,o,c,"IJ-AVG-$" aero.IJ_AVG.2007.geos5.2x25.nc ncrename -v IJ_AVG_S__NH4,NH4 aero.IJ_AVG.2007.geos5.2x25.nc ncatted -a gamap_category,NH4,o,c,"IJ-AVG-$" aero.IJ_AVG.2007.geos5.2x25.nc ncrename -v IJ_AVG_S__NIT,NIT aero.IJ_AVG.2007.geos5.2x25.nc ncatted -a gamap_category,NIT,o,c,"IJ-AVG-$" aero.IJ_AVG.2007.geos5.2x25.nc ncrename -v IJ_AVG_S__NITs,NITs aero.IJ_AVG.2007.geos5.2x25.nc ncatted -a gamap_category,NITs,o,c,"IJ-AVG-$" aero.IJ_AVG.2007.geos5.2x25.nc ncrename -v IJ_AVG_S__BCPI,BCPI aero.IJ_AVG.2007.geos5.2x25.nc ncatted -a gamap_category,BCPI,o,c,"IJ-AVG-$" aero.IJ_AVG.2007.geos5.2x25.nc ncrename -v IJ_AVG_S__OCPI,OCPI aero.IJ_AVG.2007.geos5.2x25.nc ncatted -a gamap_category,OCPI,o,c,"IJ-AVG-$" aero.IJ_AVG.2007.geos5.2x25.nc ncrename -v IJ_AVG_S__BCPO,BCPO aero.IJ_AVG.2007.geos5.2x25.nc ncatted -a gamap_category,BCPO,o,c,"IJ-AVG-$" aero.IJ_AVG.2007.geos5.2x25.nc ncrename -v IJ_AVG_S__OCPO,OCPO aero.IJ_AVG.2007.geos5.2x25.nc ncatted -a gamap_category,OCPO,o,c,"IJ-AVG-$" aero.IJ_AVG.2007.geos5.2x25.nc ncrename -v IJ_AVG_S__DST1,DST1 aero.IJ_AVG.2007.geos5.2x25.nc ncatted -a gamap_category,DST1,o,c,"IJ-AVG-$" aero.IJ_AVG.2007.geos5.2x25.nc ncrename -v IJ_AVG_S__DST2,DST2 aero.IJ_AVG.2007.geos5.2x25.nc ncatted -a gamap_category,DST2,o,c,"IJ-AVG-$" aero.IJ_AVG.2007.geos5.2x25.nc ncrename -v IJ_AVG_S__DST3,DST3 aero.IJ_AVG.2007.geos5.2x25.nc ncatted -a gamap_category,DST3,o,c,"IJ-AVG-$" aero.IJ_AVG.2007.geos5.2x25.nc ncrename -v IJ_AVG_S__DST4,DST4 aero.IJ_AVG.2007.geos5.2x25.nc ncatted -a gamap_category,DST4,o,c,"IJ-AVG-$" aero.IJ_AVG.2007.geos5.2x25.nc ncrename -v IJ_AVG_S__SALA,SALA aero.IJ_AVG.2007.geos5.2x25.nc ncatted -a gamap_category,SALA,o,c,"IJ-AVG-$" aero.IJ_AVG.2007.geos5.2x25.nc ncrename -v IJ_AVG_S__SALC,SALC aero.IJ_AVG.2007.geos5.2x25.nc ncatted -a gamap_category,SALC,o,c,"IJ-AVG-$" aero.IJ_AVG.2007.geos5.2x25.nc ncrename -v IJ_AVG_S__SALC,SALC aero.IJ_AVG.2007.geos5.2x25.nc ncatted -a gamap_category,SALC,o,c,"IJ-AVG-$" aero.IJ_AVG.2007.geos5.2x25.nc ncatted -a Contact,global,o,c,"GEOS-Chem Support Team (geos-chem-support@g.harvard.edu)" aero.IJ_AVG.2007.geos5.2x25.nc ncatted -a References,global,o,c,"www.geos-chem.org; wiki.geos-chem.org" aero.IJ_AVG.2007.geos5.2x25.nc