README -- Describes contents of HEMCO/CH4/2017-10/ directory 18 Apr 2018 GEOS-Chem Support Team geos-chem-support@g.harvard.edu Overview: =============================================================================== This directory contains input files for the GEOS-Chem CH4 specialty simulation. For more information, please see this wiki page: http://wiki.seas.harvard.edu/geos-chem/index.php/CH4_simulation Files: =============================================================================== NOTE: Bob Y. chunked the netCDF files optimally for GCHP (bmy, 4/18/18) Cl_Sherwen_2016b_ACP.4x5.nc -- 3D Clorine fields for 4x5 GEOS-5 grid (47L) Sherwen et al. (2016) Resolution : GEOS-Chem 4 x 5 Units : ppbv Timestamp : 2015/01 - 2015/12 Compression : Level 1 (e.g. nccopy -d1) Chunking : CMS/CMS_CH4_FLX_CA_2013.nc -- Sheng et al. (2017) Canadian oil and gas CH4 emissions Resolution : 0.1 x 0.1 (3600 x 1800 boxes) Units : molec cm-2 s-1 Timestamp : 2013/01 Compression : Level 1 (e.g. nccopy -d1) Chunking : nccopy -c lon/3600,lat/1800,time/1 CMS/CMS_CH4_FLX_MX_2010.nc -- Sheng et al. (2017) Mexican oil and gas CH4 emissions Resolution : 0.1 x 0.1 (3600 x 1800 boxes) Units : molec cm-2 s-1 Timestamp : 2010/01 Compression : Level 1 (e.g. nccopy -d1) Chunking : nccopy -c lon/3600,lat/1800,time/1 EDGARv432/EDGAR_v432_CH4_IPCC_{sector}.generic.0.1x0.1.nc -- EDGAR v4.3.2 methane emissions (various sectors) Resolution : 0.1 x 0.1 (3600 x 1800 boxes) Units : kg m-2 s-1 Timestamp : 1970/01 - 2012/01 Compression : Level 1 (e.g. nccopy -d1) Chunking : nccopy -c lon/3600,lat/1800,time/1 Source : http://edgar.jrc.ec.europa.eu/overview.php?v=432_GHG&SECURE=123 IPCC emission sectors: 1A1a : Power industry 1A1b_1A1c_1A5b1_1B1b_1B2a5_1B2a6_1B2b5_2C1b : Oil refineries and transformation industry 1A2 : Combustion for manufacturing 1A3a_CDS : Aviation climbing & descent 1A3a_CRS : Aviation cruise 1A3a_LTO : Aviation landing & takeoff 1A3a_SPS : Aviation supersonic 1A3b : Road transportation 1A3c_1A3e : Railways, pipelines, off-road transport 1A3d_1C2 : Shipping 1A4 : Energy for buildings 1B1a_1B2a1_1B2a2_1B2a3_1B2a4_1B2c : Fuel exploitation 2B : Chemicalprocesses 2C1a_2C1c_2C1d_2C1e_2C1f_2C2 : Iron and steel production 4A : Enteric fermentation 4B : Manure management 4C_4D1_4D2_4D4 : Agricultural soils 4F : Agricultural waste 6A_6D : Solid waste landfills 6B : Waste water handling 6C : Solid waste incineration 7A : Fossil fuel fires ---------------------------------------------------------------------- Update 12/14/17: Added files - EDGAR_v432_CH4_Coal.generic.01x01.nc - EDGAR_v432_CH4_OilGas.generic.01x01.nc These files split off coal emissions from oil/gas emissions originally found in the 1A1b_1A1c_1A5b1_1B1b_1B2a5_1B2a6_1B2b5_2C1b file. These were generated by Bram Maasakkers using PRO ASCII files provided by the EDGAR team. ---------------------------------------------------------------------- GEPA/GEPA_Annual.nc GEPA_Monthly.nc GEPA_Daily.nc -- Griddd EPA methane emissions from Maasakkers et al. (2016) (various sectors) Resolution : 0.1 x 0.1 (3600 x 1800 boxes) Units : molec cm-2 s-1 Timestamp : 2012/01 Compression : Level 1 (e.g. nccopy -d1) Chunking : nccopy -c lon/3600,lat/1800,time/1 Source : https://www.epa.gov/ghgemissions/gridded-2012-methane-emissions JPL_WetCharts/JPL_WetCharts_YYYY.Ensemble_Mean.1x1.nc -- Methane wetland emissions from the JPL WetCHARTs inventory Resolution : 1 x 1 (360 x 180 boxes) Units : molec cm-2 s-1 Timestamp : 2012/01 Compression : Level 1 (e.g. nccopy -d1) Chunking : nccopy -c lon/360,lat/180,time/1 Source : https://daac.ornl.gov/cgi-bin/dsviewer.pl?ds_id=1502 Lakes/Maasakkers_Lakes_YYYY.01x01.nc -- Monthly methane emissions from lakes (Maasakkers et al., in prep) Resolution : 0.1 x 0.1 (3600 x 1800 boxes) Units : molec cm-2 s-1 Timestamp : 2012/01 Compression : Level 1 (e.g. nccopy -d1) Chunking : nccopy -c lon/3600,lat/1800,time/1 Seasonal_SF/EMICH4_Manure_ScalingFactors_YYYY.nc -- Scale factor files for applying seasonality to manure and rice CH4 emissions These files were prepared by Bram Maasakkers. The seasonality of livestock is based on MERRA-2 temperature fields. Resolution : 0.1 x 0.1 (3600 x 1800 boxes) Units : molec cm-2 s-1 Timestamp : 2009/01 - 2015/12 Compression : Level 1 (e.g. nccopy -d1) Chunking : nccopy -c lon/3600,lat/1800,time/1 Seasonal_SF/EMICH4_Manure_ScalingFactors.WithClimatology.nc -- Scale factor files for applying seasonality to manure and rice CH4 emissions These files were prepared by Bram Maasakkers. The seasonality of livestock is based on MERRA-2 temperature fields. The values for 2008 and 2016 represent climatology of the 2009-2015 values. Resolution : 0.1 x 0.1 (3600 x 1800 boxes) Units : molec cm-2 s-1 Timestamp : 2008/01 - 2016/12 Compression : Level 1 (e.g. nccopy -d1) Chunking : nccopy -c lon/3600,lat/1800,time/1 Seasonal_SF/EMICH4_Rice_ScalingFactors.nc -- Scale factor files for applying seasonality to manure and rice CH4 emissions These files were prepared by Bram Maasakkers. The seasonality of rice is based on rice emissions from Zhang et al. (2016). Resolution : 0.1 x 0.1 (3600 x 1800 boxes) Units : molec cm-2 s-1 Timestamp : 2012/01 - 2012/12 Compression : Level 1 (e.g. nccopy -d1) Chunking : nccopy -c lon/3600,lat/1800,time/1 Seasonal_SF/EMICH4_Rice_ScalingFactors.SetMissing.nc -- Scale factor files for applying seasonality to manure and rice CH4 emissions These files were prepared by Bram Maasakkers. The seasonality of livestock is based on MERRA-2 temperature fields and the seasonality of rice is based on rice emissions from Zhang et al. (2016). Resolution : 0.1 x 0.1 (3600 x 1800 boxes) Units : molec cm-2 s-1 Timestamp : 2012/01 - 2012/12 Compression : Level 1 (e.g. nccopy -d1) Chunking : nccopy -c lon/3600,lat/1800,time/1 Seeps/Maasakkers_Geological_Seeps.01x01.nc -- Methane emissions from geological seeps (Maasakkers et al., in prep) Resolution : 0.1 x 0.1 (3600 x 1800 boxes) Units : molec cm-2 s-1 Timestamp : 2012/01 Compression : Level 1 (e.g. nccopy -d1) Chunking : nccopy -c lon/3600,lat/1800 References: =============================================================================== (1) Bloom, A.A., K. Bowman, M. Lee, A.J. Turner, R. Schroeder, J.R. Worden, R.J. Weidner, K.C. McDonald, and D.J. Jacob. 2017. CMS: Global 0.5-deg Wetland Methane Emissions and Uncertainty (WetCHARTs v1.0). ORNL DAAC, Oak Ridge, Tennessee, USA. https://doi.org/10.3334/ORNLDAAC/1502 (2) Maasakkers, J.D., D.J.Jacob, M.P. Sulprizio, A.J. Turner, M. Weitz, T. Wirth, C. Hight, M. DeFigueiredo, M. Desai, R. Schmeltz, L. Hockstad, A.A. Bloom, K.W. Bowman, S. Jeong, and M.L. Fischer, Gridded national inventory of U.S. methane emissions, Environ. Sci. Technol., 50, 13123−13133, 2016. (3) Sheng, J.-X., D. J. Jacob, J.D. Maasakkers, M.P. Sulprizio, D. Zavala-Areiza, and S. Hamburg, A high-resolution (0.1ox0.1o) inventory of methane emissions from Canadian and Mexican oil and gas systems, Atmos. Environ., 158, 211-215, 2017. (4) Sherwen, T., Schmidt, J. A., Evans, M. J., Carpenter, L. J., Großmann, K., Eastham, S. D., Jacob, D. J., Dix, B., Koenig, T. K., Sinreich, R., Ortega, I., Volkamer, R., Saiz-Lopez, A., Prados-Roman, C., Mahajan, A. S., and Ordóñez, C.: Global impacts of tropospheric halogens (Cl, Br, I) on oxidants and composition in GEOS-Chem, Atmos. Chem. Phys., 16, 12239-12271, https://doi.org/10.5194/acp-16-12239-2016, 2016. (5) Zhang, B., H. Tian, W. Ren, B. Tao, C. Lu, J. Yang, K. Banger, and S. Pan, Methane emissions from global rice fields: Magnitude, spatiotemporal patterns, and environmental controls, Global Biogeochem. Cycles, 30, 12461263, doi:10.1002/2016GB005381, 2016