نتایج جستجو برای: paleo
تعداد نتایج: 2254 فیلتر نتایج به سال:
The reconstruction of paleo wind directions for the Eifel region (Central Europe) during the period 40.3–12.9 ka BP S. Dietrich and K. Seelos Institute for Geosciences, Johannes Gutenberg-University, Mainz, Germany Received: 26 August 2009 – Accepted: 8 September 2009 – Published: 22 September 2009 Correspondence to: S. Dietrich ([email protected]) Published by Copernicus Publications on b...
The concentration of greenhouse gases (GHGs) in the atmosphere continues to rise, hence estimating the climate system’s sensitivity to changes in GHG concentration is of vital importance. Uncertainty in climate sensitivity is a main source of uncertainty in projections of future climate change. Here we present a new approach for constraining this key uncertainty by combining ensemble simulation...
[1] We analyze geophysical data that extend from 0 to 25-Myr-old seafloor on both flanks of the Southwest Indian Ridge (SWIR). Lineated marine magnetic anomalies are consistent and identifiable within the study area, even over seafloor lacking a basaltic upper crust. The full spreading rate of 14 km/Myr has remained nearly constant since at least 20 Ma, but crustal accretion has been highly asy...
4 A comparison is made between some of the framework used to discuss paleoceanography 5 and parallel situations in modern physical oceanography. A main inference is that too often 6 the paleo literature aims to rationalize why a particular hypothesis remains appropriate, 7 rather than undertaking to deliberately test that hypothesis. 8
Introduction Conclusions References
The juxtaposition of natural levees results in alluvial ridges with a unique fluvial record. Our aims were to (1) identify the Upper Tisza (Hungary); (2) determine their morphological characteristics; and (3) reconstruct Late Quaternary history region. oldest paleo-meander was abandoned ca. 29 ka ago; referring early avulsion Tisza. Five identified intensive activity at 12-13 ka, 7.7-8.6 6.1-6....
High-accuracy age estimations of tsunami deposits are very important for tsunami deposit research because the recurrence interval and frequency of tsunami deposits allow us to assess the devastating impacts of tsunamis in a populated country such as Japan. The correlation of tsunami events between remote coastal areas further enables us to constrain tsunami scenarios and fault segmentation alon...
*Correspondence: Randel T. Cox, Department of Earth Sciences, University of Memphis, Johnson Hall, Memphis, TN 38152, USA e-mail: [email protected] Large-scale liquefaction features (e.g., sand blows, lateral-spread fissure vents) that can be recognized on remote-sensing imagery and photography have been of great utility in developing chronologies of paleo-earthquakes. In areas where large-s...
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