نتایج جستجو برای: paleoclimate

تعداد نتایج: 1419  

2016
Matthias Sinnesael Miroslav Zivanovic David De Vleeschouwer Philippe Claeys Johan Schoukens

Accurately deciphering periodic variations in paleoclimate proxy signals is essential for cyclostratigraphy. Classical spectral analysis often relies on methods based on (fast) Fourier transformation. This technique has no unique solution separating variations in amplitude and frequency. This characteristic can make it difficult to correctly interpret a proxy’s power spectrum or to accurately e...

2009
Todd A. Ehlers Christopher J. Poulsen

a r t i c l e i n f o Keywords: paleoaltimetry geodynamics paleoclimate stable isotopes Andes plateau Recent elevation reconstructions of the Andean Plateau suggest a rapid 2.5 ± 1.0 km rise of the central Andes between ~10 and 6 Ma. This rapid rise has been attributed to a catastrophic removal of a dense lithospheric mantle root beneath the Andes. However, these findings are based on the assum...

Journal: :The Quaternary Research (Daiyonki-Kenkyu) 1988

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