Difference between revisions of "HEMCO data directories"

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:The '''Path''' column shows the location of each data set, with respect to <tt>$ROOT</tt>, the top-level HEMCO directory.  For example, on the Harvard disk server, <tt>$ROOT</tt> points to the directory <tt>/mnt/gcgrid/data/ExtData/HEMCO/</tt>.  
 
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Revision as of 17:39, 4 December 2020

On this page we describe the directory tree from which the HEMCO emissions component can read emissions inventories and other atmospheric data sets.

Overview

The HEMCO emissions component can read several types of emission inventories, as well as other types atmospheric data sets, such as production and loss rates, or concentration data. We have collated all of this data into a comprehensive directory tree structure. Each folder of the HEMCO data directory tree represents a particular emissions inventory or other data set.

At present, the HEMCO data directory tree resides on the disk servers at Harvard University (and soon at Dalhousie University). We have created a package that will let you download this directory tree to your local disk storage space. For more information, please see the Downloading the HEMCO data directories section below.

Please see our list of recommended default emission inventories, which has been compiled by the Emissions and Deposition Working Group.

--Bob Yantosca (talk) 22:27, 7 September 2017 (UTC)

Downloading the HEMCO data directories

We recommend the following methods for downloading the HEMCO data directories, depending on which GEOS-Chem version you are using:

GEOS-Chem versions Recommended download method Alternate download method
12.7.0 and later The GEOS-Chem dry-run option Manual download from either
12.6.3 and prior The hemco_data_download package Manual download from either

--Bob Yantosca (talk) 17:07, 3 December 2020 (UTC)

HEMCO data directory structure

The sections below describe each of the data sets contained in the HEMCO directory tree, grouped by type.

In each of the tables below:

The Inventory column contains a link that describes each data set in more detail. Most of these links point to existing pages on the GEOS-Chem wiki.
The Data file info column points to the README files that are stored with each data set. Each README provides a list of the files contained within a given folder, information about the data contained in each file, and (often) a description of how the files were created.
The Path column shows the location of each data set, with respect to $ROOT, the top-level HEMCO directory. For example, on the Harvard disk server, $ROOT points to the directory /mnt/gcgrid/data/ExtData/HEMCO/.
The Default or optional setting? column describes the current status of each data set:
DEFAULT SETTING Denotes that the data set is part of the standard emissions configuration for GEOS-Chem, that is:
OPTIONAL SETTING Denotes that the data set is not part of the the standard GEOS-Chem emissions configuration.
  • But you can still use the data set in your research applications if you wish.
If use GEOS-Chem, then we recommend that you download the data sets that are listed as DEFAULT SETTING, as these form the standard GEOS-Chem emissions configuration. You are free, however, to use any of the data sets listed below. Your choice of data sets will depend on your particular research needs.

NOTE: The inventories are grouped and listed in the same order as in the HEMCO_Config.rc version that ships with GEOS-Chem 13.0.0.

Regional inventories

Inventory More info Path Data size Default or optional setting?
APEI
  • Canadian emissions
  • Data Years: 1989-2014
 README $ROOT/APEI/v2016-11/ 68 MB OPTIONAL SETTING
NEI2011_HOURLY
  • Hourly CONUS emissions from NEI2011 inventory
  • Data Years: 2006-2013
 README $ROOT/NEI2011/v2015-03 248 GB OPTIONAL SETTING
NEI2011_MONTHLY_MEAN
  • Monthly mean CONUS emissions from NEI2011 inventory
  • Data Years: 1989-2014
 README $ROOT/NEI2011/v2017-02-MM 248 GB OPTIONAL SETTING
MIX
  • Asian anthropogenic emissions
  • Data Years: 2008-2010
 README $ROOT/MIX/v2015-03 623 MB OPTIONAL SETTING
DICE_Africa
  • African emissions inventory
  • Data Years: 2013
 README $ROOT/DICE_Africa/v2016-10 202 MB OPTIONAL

Global inventories

The following subdirectories of the HEMCO directory tree contain inventories of anthropogenic and biofuel emissions.

Please also see list of species included in each of these global inventories and regional inventories.

Inventory More info Path Data size Default or optional setting?
CEDS
  • Community Emissions Data System
  • Data Years: 1970-2017
 README $ROOT/CEDS/v2020-08 73 GB DEFAULT SETTING
  • Introduced in 13.0.0
  • Reference: McDuffie et al 2020, ESSD
CEDS_byFuelType
  • Sectorial CEDS emissions
  • Data Years: 1970-2017
 README $ROOT/CEDS/v2020-08 73 GB OPTIONAL SETTING
  • Incurs additional I/O overhead
  • Introduced in 13.0.0
  • Reference: McDuffie et al 2020, ESSD
EDGARv43
  • EDGAR global emissions v4.3
  • Data Years: 1970-2010
 README $ROOT/EDGARv43/v2016-11 6.2 GB OPTIONAL SETTING
  • Superseded by CEDS in 13.0.0
  • Used for sectors not included in DICE-Africa inventory
  • Turning on this option will also include trash burning emissions of NOx, SOx, CO, NH3, BC and OC from Wiedinmyer et al. (2014) and NMVOC emissions from CEDS
HTAP
  • HTAP global anthro+biofuel emissions
  • Data Years: 2008-2010
 README $ROOT/HTAP/v2015-03 4.5 GB OPTIONAL SETTING
  • NOTE: HTAP includes some regional emissions from other inventories. If you select HTAP you might not need to select the other regional inventories in HEMCO. See this document for more information.
GEIA_NH3
  • GEIA natural source NH3 emissions
  • Data Years: 1990
 README $ROOT/NH3/v2014-07 8.1 MB DEFAULT SETTING
SEABIRD_NH3
  • Croft et al NH3 emissions from arctic sea birds
  • Data Years: 1990
 README HEMCO/NH3/v2018-04/ 104 MB DEFAULT SETTING
POET
  • Anthropogenic EOH inventory
  • Data Years: 1985
 README $ROOT/POET/v2017-03/ 38 MB OPTIONAL SETTING
TZOMPASOSA_C2H6
  • Tzompa-Soza et al [2017] C2H6 emissions
  • Data Years: 2010
 README $ROOT/C2H6_2010/v2019-06 536 KB DEFAULT SETTING
  • Overwrites the C2H6 emissions from the CEDS to address underestimates
XIAO_C3H8
  • Y. Xiao et al [2008] C3H8 emissions
  • Data Years: 1985
 README $ROOT/XIAO/v2014-09 308 KB DEFAULT SETTING
  • Overwrites the C3H8 emissions from CEDS to address underestimates
LIANG_BROMOCARB
  • Liang et al VSL emissions
  • Data Years: 2000
 README $ROOT/BROMINE/v2015-02 156 KB DEFAULT SETTING
ORDONEZ_IONOCARB
  • Ordonez et al Iodine emissions
  • Data Years: 1985
 README $ROOT/IODINE/v2017-09 4.4 MB DEFAULT SETTING
AEIC
  • MIT aircraft emissions inventory
  • Data Years: 2005
 README $ROOT/AEIC/v2015-01 2.0 GB DEFAULT SETTING
DECAYING_PLANTS
  • ALD2 and EOH emissions from decaying plants
  • Data Years: 1985
 README $ROOT/ALD2/v2017-03 8.1 MB DEFAULT SETTING
AFCID
  • Anthropogenic PM2.5 dust source
  • Data Years: 2015
 README $ROOT/AFCID/2018-04 4.4 MB DEFAULT SETTING
  • In GEOS-Chem 12.5.0 AFCID was separated from the DEAD dust emissions extension to allow for use with offline dust emissions as well.

Ship emissions

The following subdirectories of the HEMCO directory tree contain inventories of anthropogenic aircraft and ship emissions.

Inventory More info Path Data size Default or optional setting?
CEDS_SHIP
  • CEDS ship emissions
  • Data Years: 1970-2017
 README $ROOT/CEDS/v2020-08 73 GB DEFAULT SETTING
  • Emissions are summed over all fuel sectors.
CEDS_SHIP_byFuelType
  • Sectorial CEDS ship emissions
  • Data Years: 1970-2017
 README $ROOT/CEDS/v2020-08 73 GB OPTIONAL SETTING
  • Emissions are for individual fuel sectors. Incurs additional I/O overhead.
HTAP_SHIP
  • CO, NO, SO2 ship emissions from the HTAP inventory
  • Data Years: 2008-2010
 README $ROOT/HTAP/v2015-03 4.5 GB OPTIONAL SETTING
ICOADS_SHIP
  • CO ship emissions from the ICOADS inventory
  • Data Years: 2002
 README $ROOT/ICOADS_SHIP/v2014-07 4.2 MB OPTIONAL SETTING
ARCTAS_SHIP
  • SO2 ship emissions from the ARCTAS inventory
  • Data Years: 2008
 README $ROOT/ARCTAS_SHIP/v2014-07 508 KB OPTIONAL SETTING
CORBETT_SHIP
  • SO2 ship emissions from Corbett et al inventory
  • Data Years: 1985
 README $ROOT/CORBETT_SHIP/v2014-07 1.8 MB OPTIONAL SETTING
NEI2011_SHIP
  • Hourly ship emissions from the NEI_2011 inventory
  • Data Years: 2006-2013
 README $ROOT/NEI2011/v2015-03 248 GB OPTIONAL SETTING
  • NOTE: Only extends a few km from land, so this is more of a coastal emissions inventory.
NEI2011_SHIP_MONMEAN
  • Monthly mean ship emissions from the NEI2011 inventory
  • Data Years: 2006-2013
 README $ROOT/NEI2011/v2017-02-MM 248 GB OPTIONAL SETTING
  • NOTE: Only extends a few km from land, so this is more of a coastal emissions inventory.

NOTES about ship emissions:

  1. CEDS ship emissions are the default ship inventory in GEOS-Chem 12.1.0 and later versions.
    • Data files for CEDS ship emissions are stored with the other CEDS emission sector files in the HEMCO data path: $ROOT/CEDS/v2018-04/.
  2. If CEDS emissions are turned off above then:
    • ARCTAS should be used over ICOADS, CORBETT, and HTAP for SO2
    • ICOADS should be used for CO and NO.

Future emissions

Inventory More info Path Data size Default or optional setting?
RCP_3PD
  • Emissions for scenario RCP_3PD
  • Data Years: 2005-2100
 README $ROOT/RCP/v2020-07/RCP_3PD 91 MB OPTIONAL SETTING
RCP_45
  • Emissions for scenario RCP_45
  • Data Years: 2005-2100
 README $ROOT/RCP/v2020-07/RCP_45 93 MB OPTIONAL SETTING
RCP_60
  • Emissions for scenario RCP_60
  • Data Years: 2005-2100
 README $ROOT/RCP/v2020-07/RCP_60 92 MB OPTIONAL SETTING
RCP_85
  • Emissions for scenario RCP_85
  • Data Years: 2005-2100
 README $ROOT/RCP/v2020-07/RCP_85 93 MB OPTIONAL SETTING

Biomass burning emissions (not implemented as extensions)

NOTE: Some biomass burning inventories are implemented as HEMCO extensions. See this section below for more information.

The following subdirectories of the HEMCO directory tree contain inventories of biomass burning emissions.

Inventory More info Path Data size Default or optional setting?
GFAS
  • CAMS Global Fire Assimilation System estimated emissions
  • Injection height info is taken from
    • ECMWF fire observations
    • ECMWF operational weather forecasts.
  • Data Years: 2003-2020
 README $ROOT/GFAS/v2018-09 49 GB OPTIONAL SETTING
  • Monthly data are available from 2003-present and are updated monthly
QFED
  • Quick Fire Emissions Database (v2.5r1)
  • Data Years: 2003-2020
 README $ROOT/QFED/v2018-07 247 GB OPTIONAL SETTING
  • QFED v2.5r1 data extends from 2000-2020

Offline grid-independent emissions

Offline grid-independent emissions were generated by running high-resolution (0.25°x0.3125° for GEOS-FP, 0.5°x0.625° for MERRA-2) simulations using the HEMCO standalone and online emissions from the HEMCO extensions.

Inventory More info Path Data size Default or optional setting?
OFFLINE_DUST
  • Dust emissions archived from HEMCO standalone simulations
  • Data Years: 1980-2020
 README $ROOT/OFFLINE_DUST/v2019-01 18 GB DEFAULT SETTING
  • Introduced in 12.5.0
  • You must also turn off the DustDead and DustGinoux extensions
OFFLINE_BIOGENICVOC
  • Biogenic VOC emissions generated from HEMCO standalone simulations
  • Data Years: 1980-2020
 README $ROOT/OFFLINE_BIOVOC/v2019-01 1400 GB DEFAULT SETTING
  • Introduced in 12.5.0
  • NOTE: The MEGAN extension should remain on so that it can calculate biogenic emissions for some species not in this inventory.
OFFLINE_SEASALT
  • Sea salt emissions generated from HEMCO standalone simulations
  • Data Years: 1980-2020
 README $ROOT/OFFLINE_SEASALT/v2019-01 876 GB DEFAULT SETTING
  • Introduced in 12.5.0
  • To use this, turn off the SeaSalt extension
OFFLINE_SOILNOX
  • Soil NOx emissions generated from HEMCO standalone simulations
  • Data Years: 1980-2020
 README $ROOT/OFFLINE_SOILNOX/v2019-01 48 GB DEFAULT SETTING
  • Introduced in 12.5.0
  • You must also turn off the SoilNOx extension

Non-emissions data

The following subdirectories of the HEMCO directory tree input data contains non-emissions data sets. Most of these are used as inputs to GEOS-Chem's chemistry modules (i.e. photolysis, stratospheric chemistry, etc.).

Inventory More info Path Data size Default or optional setting?
UVALBEDO
  • Hermann & Celarier [1997] UV surface albedo data
  • Data years: 1997 (1985 timestamps)
  • Needed for FAST-JX photolysis
 README $ROOT/UVALBEDO/v2019-06 476 KB DEFAULT SETTING
CCM_STRAT_Bry
  • Stratospheric Bry from the CCM model
  • Data years: 2007
 README $ROOT/STRAT/v2015-01/Bry 385 MB DEFAULT SETTING
GMI_STRAT_OH
  • OH concentration (v/v) from the GMI model
  • Data years: 2005
 README $ROOT/GMI/v2015-02 16 GB DEFAULT SETTING
GMI_PROD_LOSS
  • P & L rates from the GMI model
  • Data years: 2005
 DEFAULT SETTING
UCX_PROD_LOSS
  • P & L rates from GEOS-Chem simulations with UCX
  • Data years: 2013
 README $ROOT/UCX/v2018-02 12 GB OPTIONAL SETTING
  • Can be used instead of GMI_PROD_LOSS
OMOC_RATIO
  • Spatially varying OM/OC ratios for SOA species
  • Data years: 2010
 README $ROOT/OMOC/v2018-01 8.6 MB OPTIONAL
  • Controlled by a switch in input.geos
    (default is OFF)
GMD_SFC_CH4
  • NOAA GMD monthly mean surface methane distributions
  • Data years: 1979-2020
 [1] $ROOT/NOAA_GMD/v2018-01 85 MB DEFAULT SETTING
CMIP6_SFC_CH4
  • CMIP6 monthly mean surface methane distributions
  • Data years: 1750-1978
 [2] $ROOT/CMIP6/v2019-12 85 MB OPTIONAL SETTING
OLSON_LANDMAP
  • Masks for each Olson land type
  • Data years: 1985
 README $ROOT/OLSON_MAP/v2019-02 1.9 MB DEFAULT SETTING
  • Added in GEOS-Chem 12.3.0
  • Used for regridding of MODIS_XLAI or Yuan_XLAI via HEMCO
YUAN_MODIS_LAI
  • Yuan-processed MODIS XLAI
    (leaf area index per land type)
  • Data years: 2005-2016
 README $ROOT/Yuan_XLAI/v2019-03 203 MB DEFAULT SETTING
RRTMG
  • RRTMG radiative transfer model input data (e.g. surface reflectances etc.)
 README $ROOT/RRTMG/v2018-11 19 MB OPTIONAL SETTING
  • Only needed for fullchem simulations with the RRTMG option
SfcVMR
  • Latitudinally and monthly resolved fixed surface concentrations for long-lived organohalogen species from GMI and UCX (1959-2099)
  • Data years: 1750-2014

README

HEMCO/SfcFix/v2019-12 851 MB DEFAULT SETTING
OCEAN_O3_DRYDEP
  • Ozone deposition to the ocean
  • Data years: 1985
 README HEMCO/OCEAN_O3_DRYDEP/v2020-02 388 MB DEFAULT SETTING
Timezone offsets from UTC
  • Used by HEMCO to compute emissions that depend on local time rather than on UTC time.
  • NOTE: Always read, there is no on/off switch
 README $ROOT/TIMEZONES/v2015-02 264 KB DEFAULT SETTING

Emissions implemented as HEMCO extensions

The following subdirectories of the HEMCO directory tree contain input data used by various HEMCO extensions. These HEMCO extensions compute emissions for quantities that depend on meteorological variables (e.g. emissions from lighting, biogenic processes, etc.).

HEMCO Extension More info Path Data size Default or optional setting?
SeaFlux
  • Ocean exchange
 README1
README2
README3 		$ROOT/ACET/v2014-07
$ROOT/ALD2/v2017-03
$ROOT/DMS/v2015-07 		5.8 MB DEFAULT SETTING
ParaNOx
  • PARANOX ship plume model, computes the aging of emissions in ship exhaust plumes.
 README $ROOT/PARANOX/v2015-02 162 MB DEFAULT SETTING
LightNOx
  • Computes NO from lightning
  • May be used instead of OFFLINE_LIGHTNING
 README $ROOT/LIGHTNOX/v2017-09 32 MB DEFAULT SETTING
LightNOx
  • Computes NO from lightning
  • May be used instead of OFFLINE_LIGHTNING
 README $ROOT/LIGHTNOX/v2017-09 32 MB DEFAULT SETTING
SoilNOx
  • Hudman et al [2012] soil NOx emissions algorithm
  • May be used instead of OFFLINE_SOILNOX
 README $ROOT/SOILNOX/v2014-07 730 MB OPTIONAL SETTING
DustDead
  • DEAD dust model (cf. Zender)
 README $ROOT/DUST_DEAD/2014-07 712 KB OPTIONAL SETTING
  • May be used instead of OFFLINE_DUST
DustGinoux
  • Ginoux et al dust model
 README $ROOT/DUST_GINOUX/2014-07 36 KB OPTIONAL SETTING
  • This is a research option.
SeaSalt
  • Sea salt emissions
 Does not have an associated data directory OPTIONAL SETTING
  • May be used instead of OFFLINE_SEASALT
MEGAN
  • MEGAN v2.1 biogenic emissions
 README $ROOT/MEGAN/v2018-05 12 MB DEFAULT SETTING
  • NOTE: Is used alongside OFFLINE_BIOVOC to compute emissions for certan species that are not included in the OFFLINE_BIOVOC inventory
GFED4
  • GFED4 biomass burning v4.1, data directory contains dry matter and other inputs
  • Data Years: 1988-2019 (monthly-mean)
  • Daily & hourly emissions are possible with the use of scale factors.
 README $ROOT/GFED4/v2020-02 296 MB DEFAULT SETTING
FINN
  • FINN biomass burning (v1.5)
  • Data Years: 2002-2016
 README $ROOT/FINN/v2015-02 1.2 GB OPTIONAL SETTING
  • This is a research option
DustAlk
  • Computes dust alkalinity (for aciduptake simulation only)
 Does not have an associated data directory. OPTIONAL SETTING
  • This is a research option
[[Volcanic_SO2_emissions|Volcano]
  • Volcanic SO2 emissions from Aerocom
  • Data Years: 1978-2020
 README $ROOT/VOLCANO/v2019-08 63 MB DEFAULT SETTING
Inorg_Iodine
  • Inorganic iodine emissions (HOI, I2)
 Does not have an associated data directory. DEFAULT SETTING

HEMCO scale factors, masks, and other data

The following subdirectories of the HEMCO directory tree contain scale factors for various emissions inventories

Directory More info Path Data size Used when?
Active inventories (turned ON by default in the standard emissions configuration)
AnnualScalar
  • Directory containing annual scale factors
 README $ROOT/AnnualScalar/v2014-07 3.0 MB Only needed for the following inventories:
  • HTAP
  • MIX,
  • XIAO_C3H8
NEI2005
  • Directory containing NEI2005 scale factors
 README $ROOT/NEI2005/v2014-09 8.1 MB Only needed for the following inventories:
  • NEI2011_HOURLY
  • NEI2011_MONMEAN
MASKS
  • Directory containing mask files for regional emission inventories
 README $ROOT/MASKS/v2014-07 148 MB Needed for regional emissions inventories
COUNTRY_ID
  • Directory containing ISO ALPHA-3 standard country codes on an 0.1° x 0.1° grid.
  • HEMCO can use these ID's to apply country-level scale factors to any emissions field.
 README $ROOT/COUNTRY_ID/v2015-04 15 MB Not currently used, but is available for research needs

GEOS-Chem specialty simulation data

The following subdirectories of the HEMCO directory tree input data (emissions, oxidants, etc.) for use with the GEOS-Chem specialty simulations (i.e. those that do not use the fullchem mechanism). If you do not regularly use these simulations, you may choose not to download these data directories.

Directory More info Path Data size Used by which simulations?
CH4
  • Various data
 README1
README2 		$ROOT/CH4/v2017-10
$ROOT/CH4/v2014-09 		6.6 GB
CO2
  • Various data sources
 README1
README2
README3
README4
README5
README6 		$ROOT/CO2/v2015-04
$ROOT/CO2/v2015-04/BIO/
$ROOT/CO2/v2015-04/BIOFUEL/
$ROOT/CO2/v2015-04/CHEM/
$ROOT/CO2/v2015-04/FOSSIL/
$ROOT/CO2/v2015-04/OCEAN/ 		1.5 GB
CHLA
  • Oceanic Chlorophyll-A
README $ROOT/CHLA/v2014-07 2.0 MB
MERCURY
  • Various emission inventories & data
 README1
README2
README3
README4
README5
README6
README7
README8
README9
README10 		$ROOT/MERCURY/v2014-09
$ROOT/MERCURY/v2014-09/ARTISANAL
$ROOT/MERCURY/v2014-09/BrOx
$ROOT/MERCURY/v2014-09/Hg2_PARTITION
$ROOT/MERCURY/v2014-09/JVALUES
$ROOT/MERCURY/v2014-09/NATURAL
$ROOT/MERCURY/v2014-09/NEI2005
$ROOT/MERCURY/v2014-09/OCEAN
$ROOT/MERCURY/v2014-09/SOIL
$ROOT/MERCURY/v2014-09/STREETS 		3.0 GB
O3
  • Archived O3 fields
 README $ROOT/O3/v2014-09 130 MB
OFFLINE_AEROSOL
  • Archived concentrations and P/L rates
 README $ROOT/OFFLINE_AEROSOL/v2014-09 165 MB
OH
  • Archived OH fields
 README1
README2 		$ROOT/OH/v2014-09
$ROOT/OH/v2014-09/v5-07-08
$ROOT/OH/v2014-09/v7-02-03.GMI 		95 MB
OXIDANTS
  • Archived P(H2O2)
 README $ROOT/OXIDANTS/v2014-07 32 MB
POPs
  • Various data
 README $$ROOT/POPs/v2015-08 809 MB POPs simulation
TAGGED_CO
  • Archived P(CO)
 README $ROOT/TAGGED_CO/v2017-04 79 MB
TAGGED O3
  • Archived P(O3) and L(O3)
 README $ROOT/TAGGED_O3/v2014-09 374 MB

Submitting new data for use with HEMCO

If you have a new emissions inventory or other atmospheric data set that you would like to add to the HEMCO data directories, then please contact the GEOS-Chem Support Team. Data files must be in COARDS-compliant or CF-compliant netCDF format. Please see the following pages for more information:

  1. Preparing data files for use with HEMCO
  2. Submitting updates for inclusion in GEOS-Chem

--Bob Yantosca (talk) 22:24, 14 January 2020 (UTC)

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