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Física atmosférica y observaciones de la Tierra: mapeo desde el espacio: el experimento de la cámara métrica
Resumen
La cámara métrica de Spacelab capturó imágenes de alta resolución a nivel mundial, lo que demuestra su utilidad para el mapeo detallado de la Tierra. A pesar de la escasa iluminación, los tiempos de exposición prolongados produjeron datos valiosos para el mapeo a escala 1:100,000.
Área de la Ciencia:
- Observación de la Tierra Observación de la Tierra
- La fotogrametría es una técnica de fotogrametría.
- La teledetección es la sensorización remota.
Sus antecedentes:
- El experimento de la cámara métrica del Spacelab tenía como objetivo capturar imágenes estereoscópicas de alta resolución.
- Se planeó una cobertura para diversas regiones del mundo.
- Los retrasos en el lanzamiento del transbordador afectaron las condiciones de iluminación óptimas.
Objetivo del estudio:
- Evaluar la utilidad de los datos métricos de las cámaras de Spacelab para el mapeo de la Tierra.
- Para evaluar la calidad de imagen obtenida bajo una iluminación subóptima.
Principales métodos:
- Adquisición de fotografías estereoscópicas en blanco y negro e infrarrojas en color.
- Utilizando mayores tiempos de exposición de la cámara para compensar la mala iluminación.
- Análisis de las imágenes obtenidas para el potencial de mapeo.
Principales resultados:
- Aproximadamente 11 millones de kilómetros cuadrados fueron cubiertos.
- Se lograron imágenes únicas y de alta calidad con una resolución de tierra de 20 metros.
- El análisis inicial confirmó la idoneidad para el mapeo de la tierra a escala 1:100,000.
Conclusiones:
- Las imágenes de las cámaras métricas de Spacelab son valiosas para el mapeo detallado de la Tierra.
- La calidad de imagen suficiente para un mapeo a escala 1:100,000 se logró a pesar de los desafíos de iluminación.
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