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English to Spanish: Stunning images reveal glacial landscapes under the oceans General field: Science Detailed field: Geography
Source text - English Stunning images reveal glacial landscapes under the oceans
“The Atlas of Submarine Glacial Landforms is a comprehensive, high-resolution atlas of underwater landscapes that have been shaped by glaciers, largely in polar and subpolar regions, and provides a comparative look at how glaciers, ice and related climate shifts transform Earth. Kelly Hogan, a marine geophysicist with the British Antarctic Survey and an editor of the atlas, presented it April 26 in Vienna at a meeting of the European Geosciences Union.
Most of the more than 200 images were generated from research vessels using multibeam bathymetry, which renders the seafloor surface in 3-D, exposing a region’s glacial history. For example, the distinctive asymmetry of 20,000-year-old glacial deposits called drumlins in the Gulf of Bothnia, between Finland and Sweden, suggests that ice flowed south, toward a larger glacier in the Baltic Sea.
In all, the seafloor depicted in the atlas covers an area about the size of Great Britain. But the real impact of the project goes beyond individual images, Hogan says. She expects that scholars exploring glacial history, researchers predicting future ice behavior and climate scientists are among those who will keep a copy close at hand. “
Translation - Spanish Impresionantes imágenes revelan paisajes glaciares bajo los océanos
“ El Atlas de Accidentes Geográficos Submarinos, es un atlas completo y en alta resolución de los accidentes geográficos submarinos a los que han dado forma los glaciares, mayormente en las regiones polares, proveyendo una mirada comparativa de como los glaciares, el hielo y los cambios asociados en el clima transforman la tierra. Kelly Hogan, geofísica marina del Observatorio Británico de la Antártida, lo presento el 26 de abril en Viena, en una reunión de la Unión Europea de Geociencia.
La mayor parte de las mas de 200 imágenes fueron generadas por embarcaciones de investigación , empleando batimetria multihaz, que retrata la superficie del suelo marino en 3-D, exponiendo la historia de la región glaciar. Por ejemplo, la peculiar asimetría del yacimiento del glaciar, de 20.000 años, llamados prominencias, en el Golfo de Botnia, entre Finlandia y Suecia, sugiere que el hielo fluyó hacia el sur, hacia un glaciar mayor en el Mar Báltico.
En resumen, el fondo marino descrito en el Atlas abarca un área del tamaño de Gran Bretaña. Excepto que el impacto real del proyecto va mas allá de las imágenes individuales, dice Hogan. Ella supone que los estudiosos que exploran la historia glaciar, los investigadores que predicen el comportamiento del hielo en el futuro, así como los científicos climáticos, estarán entre los que conserven una copia a mano. “
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