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Published on: May 1, 2018
Medición de radar de la atmósfera superior de la atmósfera
Science (New York, N.Y.)
|October 12, 1979
Resumen
Los grandes radares miden las propiedades de la atmósfera superior. Los avances recientes permiten estudios detallados de vientos y turbulencias en la estratosfera y la mesosfera.
Área de la Ciencia:
- Física atmosférica y geofísica.
- Tecnologías de teledetección tecnologías de teledetección.
Sus antecedentes:
- Los grandes radares se han convertido en herramientas esenciales para el estudio de la atmósfera superior en los últimos 20 años.
- Las aplicaciones iniciales se centraron en la investigación ionosférica utilizando la dispersión de Thomson por encima de 100 km.
Objetivo del estudio:
- Detallar la evolución y las capacidades de los grandes sistemas de radar en la investigación atmosférica.
- Para resaltar la expansión de las aplicaciones de radar de los estudios ionosféricos a las capas atmosféricas inferiores.
Principales métodos:
- Utilizando la técnica de dispersión de Thomson para las mediciones ionosféricas.
- Analizando la potencia de eco del radar y el espectro para las propiedades del plasma.
- Aplicación de técnicas avanzadas de radar para perfiles de viento y turbulencias por debajo de los 100 km.
Principales resultados:
- Se midieron con éxito las densidades de electrones e iones, las temperaturas y el movimiento del plasma en la ionosfera.
- Se obtienen datos de altura y dependientes del tiempo sobre el plasma ionosférico.
- Permitió la medición de la velocidad del viento y la estructura de la turbulencia en la estratosfera y la mesosfera.
Conclusiones:
- Los grandes sistemas de radar ofrecen capacidades versátiles para sondear diversas regiones atmosféricas.
- Los avances tecnológicos han ampliado significativamente el alcance de las mediciones atmosféricas de radar.
- La teledetección por radar es crucial para comprender tanto la ionosfera como la atmósfera inferior.
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