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Morris Water Maze Experiment
Published on: September 24, 2008
Una gran cuenca paleoláctica en la cabeza de Ma'adim Vallis, en Marte
Rossman P Irwin1, Ted A Maxwell, Alan D Howard
1Center for Earth and Planetary Studies, National Air and Space Museum, Smithsonian Institution, Washington, DC 20560, USA. Irwinr@nasm.si.edu
Science (New York, N.Y.)
|June 22, 2002
Resumen
La verdad es que no. Ma Ma Ma.
Área de la Ciencia:
- Geología Geología Geología.
- Hidrología Hidrología Hidrología.
- Ciencias planetarias Ciencias planetarias.
Sus antecedentes:
- Ma'adim Vallis es un gran valle marciano.
- Las teorías anteriores sugerían una fuente de agua subterránea.
Objetivo del estudio:
- Investigar el origen de Ma'adim Vallis.
- Determinar la paleohidrología y el paleoclima de Marte.
Principales métodos:
- Análisis de datos topográficos para la cuenca de drenaje de Ma'adim Vallis.
- Examen de la morfología de la cuenca interior para la evidencia de un paleolake.
- Reconstrucción de las condiciones paleohidrológicas.
Principales resultados:
- El valle se origina en una gran cuenca de drenaje cerrada.
- La evidencia sugiere que un enorme lago de las tierras altas una vez ocupó esta cuenca.
- Las características de la costa indican un cuerpo de agua estable y a largo plazo.
Conclusiones:
- Ma'adim Vallis se formó a partir del desbordamiento catastrófico de un gran lago paleoláctico.
- La existencia de este lago implica un clima marciano más cálido y húmedo hace unos 3.500 millones de años.
- Un nivel freático de tierras altas estable y recargado era necesario para sostener el lago.
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