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Research on underwater mud volcanoes
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One of the subjects being explored by HERMES is mud volcanoes, and more specifically underwater mud volcanoes. Mud volcanoes are cone-shaped formations of sediment, of variable size. They are composed of a mixture of fluids (generally water and gases) and mud (undercompacted clay), which flow from one or more vent holes in the middle of the crater. During an eruption, mud volcanoes emit large amounts of methane. Mud volcanoes are found on land and underwater. The latter are the subject of this new report for television stations. Indeed, researchers are studying the impact on climate change of the gases emitted by these volcanoes. They have discovered that the immediate surroundings of these volcanoes are constituted of micro-organisms, of which 99% are still unidentified today, and some of which feed on methane, hydrogen sulphide and other gases, preventing them from being released into the sea and consequently rising to the surface.
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- Idioma/s:
- Niveles educativos:
- ▼ Mostrar / ocultar niveles
- Nivel Intermedio
- Autor/es:
- The European Union
- Subido por:
- EducaMadrid
- Licencia:
- Reconocimiento - No comercial - Sin obra derivada
- Visualizaciones:
- 1325
- Fecha:
- 7 de agosto de 2007 - 12:00
- Visibilidad:
- Público
- Enlace Relacionado:
- European Commission
- Duración:
- 01′ 55″
- Relación de aspecto:
- 4:3 Hasta 2009 fue el estándar utilizado en la televisión PAL; muchas pantallas de ordenador y televisores usan este estándar, erróneamente llamado cuadrado, cuando en la realidad es rectangular o wide.
- Resolución:
- 448x336 píxeles
- Tamaño:
- 9.74 MBytes