KEYWORDS: Aermod

Keywords de AERMOD organizadas por seccion.

El aermod.inp se estructura en las siguientes secciones:

  • CO: especificaciones generales de COntrol de la ejecución.
  • SO: especificaciones de fuentes (SOurces).
  • RE: especificaciones de REceptores.
  • ME: especificaciones de información MEteorologica.
  • EV: especificaciones de procesamiento de EVentos (opcional).
  • OU: especifiaciones generales de archivos de salida (OUtput).

hay que especificar siempre el inicio y finalización de cada seccion, por ejemplo:

CO STARTING
**      (especificaciones de seccion de COntrol)
CO FINISHED

Cada especificación sigue la siguiente estructura general:

KEYWORD <arg1> <arg2> ... <argN>

donde arg1, arg2, etc. son los argumentos/valores del comando.

A continuación se listan los keywords de aermod organizados por sección, en algunos casos se mencionan los posibles argumentos que pueden tomar.

CO

CO Keywords Type Descripción
TITLEONE M-N Titulo para archivo de salida.
TITLETWO O-N Subtitulo de archivo de salida.
MODELOPT M-N Opciones de corrida.
AVERTIME M-N Tiempo de promediado de la corrida.
URBANOPT O-R Especifica parámetros de dispersión urbana.
POLLUTID M-N Identifica el tipo de contaminante modelado.
HALFLIFE O-N Tiempo de vida media para decaimiento exponencial.
DCAYCOEF O-N Coeficiente de decaimiento.
GASDEPDF O-N Opción para redefinir parametros de deposición seca.
GASDEPVD O-N Opción para especificar velocidad de deposición seca.
GDLANUSE O-N Specify land use categories by sector for gas dry deposition
GDSEASON O-N Specify seasonal definitions for gas dry deposition
LOW_WIND O-N ALPHA option for low wind conditions that allows user to specify values for minimum sigma-v, minimum wind speed, and maximum meander factor
AWMADWNW O-N Specifies downwash options developed by AWMA
ORD_DWNW O-N Specifies downwash options developed by ORD
NO2EQUIL O-N Option to override default NO 2 /NO x equilibrium ratio for PVMRM or OLM
NO2STACK O-N Option to specify default in-stack NO 2 /NO x equilibrium ratio for OLM and PVMRM options; may be overridden by NO2RATIO option on SO pathway
ARMRATIO O-N Option to override default minimum and maximum (equilibrium) ratios for the ARM2 option
O3SECTOR O-N Specifies optional wind sectors for use in varying background ozone (O3) concentrations by wind direction for use with OLM and PVMRM options; can be used with the OZONEFIL, OZONEVAL, and O3VALUES options.
OZONEFIL O-R Specifies filename for hourly ozone file for use with OLM and PVMRM options
OZONEVAL O-R Specifies background value of ozone for use with OLM and PVMRM options
O3VALUES O-R Option to specify temporally varying ozone concentrations for use with OLM and PVMRM options for estimating NO 2
OZONUNIT O-N Option to specify units for temporally-varying ozone concentrations for the O3VALUES keyword
FLAGPOLE O-N Specifies whether to accept receptor heights above local terrain (m) for use with flagpole receptors, and allows for default flagpole height to be specified
RUNORNOT M-N Identifies whether to run model or process setup information only
EVENTFIL O-N Specifies whether to generate an input file for EVENT model
SAVEFILE O-N Option to store intermediate results for restart of model after user or system interrupt
INITFILE O-N Option to initialize model from intermediate results generated by SAVEFILE option
MULTYEAR O-N Option to process multiple years of meteorological data (one year per run) and accumulate high short-term values across years
DEBUGOPT O-N Option to generate detailed result and meteorology files for debugging purposes
ERRORFIL O-N Option to generate detailed error listing file

SO

SO Keywords Type Keyword Description
ELEVUNIT O-N Defines input units for source elevations (defaults to meters), must be first keyword after SO STARTING if used.
LOCATION M-R Identifies coordinates for particular source
RLEMCONV O-N Optional emission units conversion that changes the input units for the RLINE and -NEXT sources to grams/hour/link
SRCPARAM M-R Identifies source parameters for a particular source
BUILDHGT O-R Building height values for each wind sector
BUILDLEN O-R Building projected length values for each wind sector
BUILDWID O-R Building projected width values for each wind sector
XBADJ O-R Along-flow distances from the stack to the center of the upwind face of the projected building
YBADJ O-R Across-flow distances from the stack to the center of the upwind face of the projected building
AREAVERT M-R Specifies location of vertices for an AREAPOLY source type (mandatory if AREAPOLY s-ceis used)
RBARRIER O-R Specifies RLINEXT barrier source configuration The ALPHA option must be specified as a MODELOPT on the CO pathway to use the RBARRIER keyword.
RDEPRESS O-R Specifies RLINEXT depressed roadway source configuration The ALPHA option must be specified as a MODELOPT on the CO pathway to use the RDEPRESS keyword.
URBANSRC O-R Identifies which sources to model with urban effects
EMISFACT O-R Optional input for variable emission rate factors
EMISUNIT O-N Optional unit conversion factors for emissions, concentrations
CONCUNIT O-N Optional conversion factors for emissions and concentrations
DEPOUNIT O-N Optional conversion factors for emissions and depositions
PARTDIAM O-R Input variables for optional input of particle size (microns)
MASSFRAX O-R Optional input of mass fraction for each particle size category
PARTDENS O-R Optional input of particle density (g/cm 3 ) for each size category
METHOD_2 O-R Optional input of parameters for METHOD_2 particle deposition The ALPHA option must be specified as a MODELOPT on the CO pathway to use the METHOD_2 keyword.
GASDEPOS O-R Optional input of gas deposition parameters
NO2RATIO O-R Option to specify in-stack NO2/NOx equilibrium ratio for OLM and PVMRM options by source
HOUREMIS O-R Option for specifying hourly emission rates in a separate file
BGSECTOR O-N Specifies optional wind sectors for use in varying background concentrations by wind direction for the pollutant being modeled, as specified on the BACKGRND keyword
BACKGRND O-R Option to specify temporally varying background concentrations
BACKUNIT O-N Option to specify units for background concentrations
INCLUDED O-R Option to include data from a separate file in the runstream
OLMGROUP O-R Specifies sources to combine for OLM option to account for merging plumes
PSDGROUP O-R Specifies source groups for PSDCREDIT option with PVMRM
SRCGROUP M-R Identification of source groups

RE

RE Keywords Type Descripción
ELEVUNIT O-N Unidades de las elvaciones de receptores (por default es metros, M).
GRIDCART O-R Define una grilla cartesiana de receptores.
GRIDPOLR O-R Define una grilla polar de receptores
DISCCART O-R Define un receptor puntual en coordenadas cartesianas.
DISCPOLR O-R Define un receptor puntual en coordenadas polares.
EVALCART O-R Define un receptor puntual en coordenadas cartesianas que usado para evaluar por separado.
INCLUDED O-R Identifica archivo externo que contiene grilla de receptores (producido por AERMAP)

ME

ME Keywords Type Descripción
SURFFILE M–N Indica ubicación de archivo meteorológico de superficie.
PROFFILE M–N Indica ubicación de archivo de radiosondeo.
SURFDATA M–N Describe estacion meteorológica de superficie.
UAIRDATA M–N Describe estacion meteorológica de radioisondeo.
SITEDATA O–N Describe estacion meteorológica sitio-especifica.
PROFBASE M–N Specifies the base elevation for the potential temperature profile
STARTEND O–N Specifies start and end dates to be read from input meteorological data file (default is to read entire file)
DAYRANGE O–R Specifies days or ranges of days to process (default is to process all data)
SCIMBYHR O–N Specifies the parameters for the SCIM (Sampled Chronological Input Model) option (see CO MODELOPT)
WDROTATE O–N May be used to correct for alignment problems of wind direction measurements, or to convert wind direction from to flow vector
WINDCATS O–N Input upper bounds of wind speed categories, five values input - sixth category is assumed to have no upper bound (used for WSPEED option on the EMISFACT keyword)

EV

OU Keywords Type Descripción
EVENTPER M–R Describes data and averaging period for an event
EVENTLOC M–R Describes receptor location for an event
INCLUDED O–R Identifies an external file containing EVENT data to be included in the inputs

OU

OU Keywords Type Descripción
RECTABLE O–R Option to specify value(s) by receptor for output
MAXTABLE O–R Option to summarize the overall maximum values
DAYTABLE O–N Option to print summaries for each averaging period for each day processed.
MAXIFILE O–R Option to list events exceeding a threshold value to file (if CO EVENTFIL oton is used, these events are included in the input file generated for the EVENT model).
POSTFILE O–R Option to write results to a mass storage file for postprocessing.
PLOTFILE O–R Option to write certain results to a storage file suitable for input to plotting routines
TOXXFILE O–R Option to write results to a storage file suitable for input to the TOXX model component of TOXST or the RISK
RANKFILE O–R Option to output file of ranked values for Q-Q plots (must be used with the MAXTABLE keyword)
EVALFILE O–R Option to output file of normalized arc maxima from EVALCART receptors for model evaluation studies
SEASONHR O–R Option to output results by season and hour-of-day
MAXDAILY O–R Option to output file of daily maximum 1-hour values for each day processed; only applicable for 1-hour NO 2 and 1-hour SO 2 NAAQS
MXDYBYYR O–R Option to output file of daily maximum 1-hour values by year, for each year processed; only applicable for 1-hour NO 2 and 1-hour SO 2 NAAQS
MAXDCONT O–R Option to output contributions of each source group to ranked values arss years for a reference source group, paired in time and space; only applicable for 24-hour PM2.5, 1-hour NO 2 , and 1-hour SO 2 NAAQS
SUMMFILE O–N Option to output summary of high ranked values to separate file
FILEFORM O–N Specify fixed or exponential format for output results files
NOHEADER O–N Option to suppress file headers for output file options, e.g., POSTFILE, PLOTFILE, MAXDCONT, etc.
EVENTOUT M–N Specifies the level of output information provided for EVENT Processing [EVENT Only]