RT Journal Article T1 Grosor de la corteza oceánica en dorsales de expansión y alrededores en el Paso del Drake (Antártida) a partir de inversión numérica de datos gravimétricos T1 Oceanic crustal thickness in areas of spreading ridges in Drake Passage (Antarctica) from numerical inversion ofgravity data A1 Suriñach, Emma A1 Flores Márquez, E. L. A1 Galindo Zaldívar, Jesús A1 Maldonado, Andrés AB The high density of geophysical data (gravity, bathymetry...) collected in the ANTPAC 97/98 cruise by theSpanish BIO Hespérides allows us to obtain the crustal thickness of the areas near the intersection of theShackleton Fracture Zone and the West Scotia Ridge (Z1), and the P2 segment of the Phoenix-AntarcticRidge (Z2) by means of inversion methods. Data were merged with that of the Global Gravity Grid and theGlobal Sea Floor Topography (Sandwell and Smith, 1997). The effect of the bathymetry on the Free Airanomaly was eliminated previously. Differences in the crustal thickness in both areas are presented YR 2006 FD 2006 LK http://hdl.handle.net/10272/8492 UL http://hdl.handle.net/10272/8492 LA spa DS Repositorio Institucional de la Universidad de Huelva RD 1 jun 2026