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Measuring Carbon-based Contaminant Mineralization Using Combined CO2 Flux and Radiocarbon Analyses
Published on: October 21, 2016
Mediciones de monóxido de carbono en la troposfera
Science (New York, N.Y.)
|December 3, 1982
Resumen
El experimento de medición de la contaminación atmosférica por satélites (MAPS) midió con éxito los niveles de monóxido de carbono desde el espacio. Los datos revelaron gradientes significativos de monóxido de carbono en la atmósfera en regiones clave.
Área de la Ciencia:
- Ciencias de la atmósfera ciencia atmosférica.
- La teledetección es la sensorización remota.
- El monitoreo ambiental es el monitoreo del medio ambiente.
Sus antecedentes:
- El monóxido de carbono (CO) es un contaminante atmosférico clave que afecta la calidad del aire y el clima.
- Las mediciones basadas en satélites ofrecen una perspectiva única para el monitoreo de la composición atmosférica global.
- Las misiones satelitales anteriores han proporcionado datos valiosos sobre la distribución del CO.
Objetivo del estudio:
- Evaluar el rendimiento y la precisión del experimento de medición de la contaminación atmosférica por satélites (MAPS) durante su segundo vuelo.
- Para medir las relaciones de mezcla de monóxido de carbono (CO) en la troposfera media, la troposfera superior y la estratosfera inferior.
- Para identificar gradientes latitudinales y longitudinales de CO en regiones geográficas específicas.
Principales métodos:
- Utilizó un radiómetro de filtro de gas que funcionaba a una longitud de onda de 4,67 micrómetros.
- Mediciones radiométricas obtenidas durante el segundo vuelo del transbordador espacial, que abarcó aproximadamente 35 horas.
- Datos recopilados en una banda latitudinal de 38 grados N a 38 grados S, incluyendo observaciones diurnas y nocturnas.
Principales resultados:
- El instrumento MAPS demostró un excelente rendimiento.
- Se observaron gradientes significativos en las proporciones de mezcla de CO de la troposfera media sobre el Atlántico Norte, el Mar Mediterráneo y Oriente Medio.
- Se determinó que la precisión de la medición era de aproximadamente el 15%, con una repetibilidad de alrededor del 5%.
Conclusiones:
- Las mediciones radiométricas basadas en satélites son efectivas para el monitoreo de las concentraciones atmosféricas de CO.
- El experimento MAPS proporcionó datos valiosos sobre la distribución de CO y su variabilidad espacial.
- Los hallazgos destacan la capacidad de la teledetección por satélite para estudios de contaminación atmosférica.
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