arXiv, 2009 The physical origin of the leap second is discussed in terms of the new gravity model. The calculated time shift of the earth rotation around the sun for one year amounts to $\displaystyle{\Delta T \simeq 0.621 s/ year}$. According to the data, the leap second correction for one year corresponds to $\Delta T \simeq 0.63 \pm 0.03 s/ year $, which is in ...
arxiv
Stellar Archaeology: New Science with Old Stars [PDF]
arXiv, 2010 The abundance patterns of metal-poor stars provide us a wealth of chemical information about various stages of cosmic chemical evolution. In particular, these stars allow us to study the formation and evolution of the elements, and the involved nucleosynthesis processes.
arxiv
Cultural Landscape Change from Late Neolithic to Late Middle Ages in Northern Westphalia. Interplay between the Natural Environment and the Anthropogenic Archaeological Remains [PDF]
, 2023 Leo Klinke
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Olmec mirrors: an example of archaeological American mirrors [PDF]
arXiv, 2007 Archaeological mirrors from the Olmec civilization are described according to bibliographic references and to personal observations and photographs.
arxiv
Fauna Norvegica, 2012 Intraspecific variation sometimes obscures species boundaries and makes identification of certain Chironomidae difficult. This is true for many species in the genus Cricotopus. We used DNA barcode data and multivariate statistical analyses to investigate
Susan Gresens +2 more
doaj +1 more source
Perturbation assessment in archaeological sites as part of the taphonomic study: a review of methods used to document the impact of natural processes on site formation and archaeological interpretations [PDF]
, 2019 Pascal Bertran +4 more
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Contrasting patterns of prehistoric human diet and subsistence in northernmost Europe
Scientific Reports, 2018 Current archaeological evidence indicates the transition from hunting-fishing-gathering to agriculture in Northern Europe was a gradual process. This transition was especially complex in the prehistoric North Fennoscandian landscape where the high ...
Mirva Pääkkönen +4 more
doaj +1 more source
El “Cinturón estepario” de culturas ganaderas en Eurasia durante la Primera Edad del Metal
Trabajos de Prehistoria, 2008 Las culturas ganaderas del “cinturón estepario” de Eurasia cubrieron aproximadamente 7-8 millones de km2, entre el bajo Danubio al oeste y Manchuria al este (una distancia de más de 8000 km).
Evgeny Chernykh
doaj +1 more source
Natural Radioactivity in Selected Soil Samples from the Archaeological of Ur City in Dhi-Qar Province, Iraq [PDF]
, 2015 Iman Tarik Al-Alawy, Monar Deya Salim
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Scientia Marina, 2006 In 1768 J.E. Gunnerus first described the species Hydroides norvegicus (Polychaeta, Serpulidae), the type of the genus Hydroides which today includes close to 90 species worldwide and is the largest serpulid genus.
Toril Loennechen Moen
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