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Updated: Jul 11, 2026
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Quantitatively Measuring In situ Flows using a Self-Contained Underwater Velocimetry Apparatus (SCUVA)
Published on: October 31, 2011
Seguimiento de la evolución de una pluma de evento hidrotermal con un flotador de flotabilidad neutral RAFOS
1J. E. Lupton and R. R. Greene, Pacific Marine Environmental Laboratory, National Oceanic and Atmospheric Administration (NOAA), Newport, OR 97365, USA. E. T. Baker, G. J. Massoth, R. A. Feely, Pacific Marine Environmental Laboratory, NOAA,
Science (New York, N.Y.)
|May 22, 1998
Resumen
Las plumas hidrotermales del océano profundo son detectables durante al menos 60 días. El seguimiento de la evolución de las plumas con un flotador neutral reveló concentraciones de partículas y metales de larga duración, lo que indica que las plumas permanecen detectables durante un año.
Área de la Ciencia:
- Oceanografía La oceanografía es la oceanografía.
- La geoquímica es la geoquímica.
- La dinámica de las plumas.
Sus antecedentes:
- Los respiraderos hidrotermales de los océanos profundos liberan penachos con propiedades químicas y físicas únicas.
- La comprensión de la evolución de las plumas es crucial para el seguimiento de los procesos de aguas profundas y la exploración de recursos.
Objetivo del estudio:
- Para rastrear la migración y la evolución de una pluma de evento hidrotermal de océano profundo.
- Para determinar la persistencia de las características del penacho en el tiempo.
Principales métodos:
- Se utilizó un flotador RAFOS de flotabilidad neutral para rastrear una pluma hidrotermal.
- La vorticidad de la pluma se calculó a partir del movimiento anticiclónico del flotador.
- Se midieron las concentraciones de partículas en suspensión, partículas de hierro y manganeso disuelto.
Principales resultados:
- El flotador permaneció arrastrado por la pluma durante 60 días.
- Las concentraciones de partículas en suspensión, partículas de hierro y manganeso disuelto no mostraron una descomposición significativa durante 60 días.
Conclusiones:
- Las plumas de eventos hidrotermales de los océanos profundos son duraderas y fácilmente detectables.
- La persistencia de las partículas y los metales sugiere que las plumas permanecen detectables hasta un año después de su formación.
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