GribStream

NOAA Global Ensemble Forecast System - Chemistry (GEFS Chem)

Código GribStream: gefschem

Descripción

GEFS Chem extiende la familia GEFS hacia química atmosférica y aerosoles. En lugar de limitarse a temperatura, viento o presión, se enfoca en campos relacionados con composición del aire y transporte de partículas.

La salida es útil cuando el riesgo depende de humo, polvo, aerosoles, contaminantes clave, visibilidad o atenuación de radiación solar. Para esos casos, una sola variable meteorológica tradicional suele ser insuficiente.

Como parte de la familia GEFS, el producto permite razonar sobre incertidumbre en transporte atmosférico y evolución química. Eso ayuda a comparar escenarios posibles, no solo una trayectoria única.

En GribStream, gefschem se consulta como cualquier otro dataset: eliges coordenadas, rango de tiempo y selectores del catálogo, manteniendo intactos los códigos de variable y niveles GRIB originales. Sirve para productos de calidad del aire, análisis ambiental y decisiones donde humo, polvo, aerosoles o contaminantes cambian el riesgo operativo.

Detalle

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Parámetros

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Haz clic en un parámetro para ver sus variantes en una tabla compacta con selectores JSON listos para copiar. Los códigos, niveles y valores de selector se mantienen exactamente como los expone la API.

AOTK –Aerosol Optical Thickness (dimensionless)
6 variants
NOAA GRIB2 Table 4.2-0-3

Aerosol optical thickness represents the column-integrated attenuation of solar radiation by aerosols. Larger values indicate hazier conditions and reduced surface sunlight.

  • Units: dimensionless.
  • Useful for visibility, air quality, and solar energy assessments.
Level Info Horizon Introduced Selector
entire atmosphere aerosol=black carbon dry 0h-120h 2020-10-01
{"name":"AOTK","level":"entire atmosphere","info":"aerosol=black carbon dry"}
entire atmosphere aerosol=dust dry 0h-120h 2020-10-01
{"name":"AOTK","level":"entire atmosphere","info":"aerosol=dust dry"}
entire atmosphere aerosol=particulate organic matter dry 0h-120h 2020-10-01
{"name":"AOTK","level":"entire atmosphere","info":"aerosol=particulate organic matter dry"}
entire atmosphere aerosol=sea salt dry 0h-120h 2020-10-01
{"name":"AOTK","level":"entire atmosphere","info":"aerosol=sea salt dry"}
entire atmosphere aerosol=sulphate dry 0h-120h 2020-10-01
{"name":"AOTK","level":"entire atmosphere","info":"aerosol=sulphate dry"}
entire atmosphere aerosol=total aerosol 0h-120h 2020-10-01
{"name":"AOTK","level":"entire atmosphere","info":"aerosol=total aerosol"}
ASYSFK –Asymmetry Factor (Numeric)
1 variant

Asymmetry Factor (Numeric).

Level Info Horizon Introduced Selector
entire atmosphere aerosol=total aerosol 0h-120h 2020-10-01
{"name":"ASYSFK","level":"entire atmosphere","info":"aerosol=total aerosol"}
COLMD –Column-Integrated Mass Density (kg/m^2)
6 variants
NOAA GRIB2 Table 4.2-0-20

Column-integrated mass density is the total mass per unit area through the vertical column for the specified species. It summarizes column burden and is useful for transport diagnostics.

  • Units: kg/m^2.
Level Info Horizon Introduced Selector
entire atmosphere aerosol=black carbon dry 0h-120h 2020-10-01
{"name":"COLMD","level":"entire atmosphere","info":"aerosol=black carbon dry"}
entire atmosphere aerosol=dust dry 0h-120h 2020-10-01
{"name":"COLMD","level":"entire atmosphere","info":"aerosol=dust dry"}
entire atmosphere aerosol=particulate organic matter dry 0h-120h 2020-10-01
{"name":"COLMD","level":"entire atmosphere","info":"aerosol=particulate organic matter dry"}
entire atmosphere aerosol=sea salt dry 0h-120h 2020-10-01
{"name":"COLMD","level":"entire atmosphere","info":"aerosol=sea salt dry"}
entire atmosphere aerosol=sulphate dry 0h-120h 2020-10-01
{"name":"COLMD","level":"entire atmosphere","info":"aerosol=sulphate dry"}
entire atmosphere aerosol=total aerosol 0h-120h 2020-10-01
{"name":"COLMD","level":"entire atmosphere","info":"aerosol=total aerosol"}
PMTC –Particulate matter (coarse) (10^-6g/m^3)
2 variants

Particulate matter (coarse) (10^-6g/m^3).

Level Info Horizon Introduced Selector
surface aerosol=dust dry 0h-120h 2022-10-18
{"name":"PMTC","level":"surface","info":"aerosol=dust dry"}
surface aerosol=total aerosol 0h-120h 2020-10-01
{"name":"PMTC","level":"surface","info":"aerosol=total aerosol"}
PMTF –Particulate matter (fine) (10^-6g/m^3)
3 variants

Particulate matter (fine) (10^-6g/m^3).

Level Info Horizon Introduced Selector
surface aerosol=dust dry 0h-120h 2020-10-01
{"name":"PMTF","level":"surface","info":"aerosol=dust dry"}
surface aerosol=sea salt dry 0h-120h 2020-10-01
{"name":"PMTF","level":"surface","info":"aerosol=sea salt dry"}
surface aerosol=total aerosol 0h-120h 2020-10-01
{"name":"PMTF","level":"surface","info":"aerosol=total aerosol"}
SCTAOTK –Scattering Aerosol Optical Thickness (Numeric)
6 variants

Scattering Aerosol Optical Thickness (Numeric).

Level Info Horizon Introduced Selector
entire atmosphere aerosol=black carbon dry 0h-120h 2020-10-01
{"name":"SCTAOTK","level":"entire atmosphere","info":"aerosol=black carbon dry"}
entire atmosphere aerosol=dust dry 0h-120h 2020-10-01
{"name":"SCTAOTK","level":"entire atmosphere","info":"aerosol=dust dry"}
entire atmosphere aerosol=particulate organic matter dry 0h-120h 2020-10-01
{"name":"SCTAOTK","level":"entire atmosphere","info":"aerosol=particulate organic matter dry"}
entire atmosphere aerosol=sea salt dry 0h-120h 2020-10-01
{"name":"SCTAOTK","level":"entire atmosphere","info":"aerosol=sea salt dry"}
entire atmosphere aerosol=sulphate dry 0h-120h 2020-10-01
{"name":"SCTAOTK","level":"entire atmosphere","info":"aerosol=sulphate dry"}
entire atmosphere aerosol=total aerosol 0h-120h 2020-10-01
{"name":"SCTAOTK","level":"entire atmosphere","info":"aerosol=total aerosol"}
SSALBK –Single Scattering Albedo (Numeric)
1 variant

Single Scattering Albedo (Numeric).

Level Info Horizon Introduced Selector
entire atmosphere aerosol=total aerosol 0h-120h 2020-10-01
{"name":"SSALBK","level":"entire atmosphere","info":"aerosol=total aerosol"}

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