نتایج جستجو برای: bisitun mountain

تعداد نتایج: 26326  

2004
Jon D. Pelletier

[1] The linear correlation between modern sediment yields and mean drainage-basin elevation suggests that mountainbelt topography is denuded exponentially with a time scale of approximately 50 Myr following the cessation of active uplift. Some Paleozoic orogens, however, still exist as highelevation terrain. Here I explore this paradox within the broader question of what variables control the d...

Journal: :Thorax 1973
J Arias-Stella H Krüger S Recavarren

Arias-Stella, J., Kriiger, H., and Recavarren, S. (1973). Thorax, 28, 701-708. Pathology of chronic mountain sickness. Pathological data on chronic mountain sickness are scarce due to the fact that the disease is ameliorated or cured by descent to a low altitude. In this report we describe a case of chronic mountain sickness occurring in a woman of 48 years at Cerro de Pasco (4,300 m above sea ...

2010
Brian Langner Stephan Vogel Alan W. Black

This paper describes the MOUNTAIN language generation system, a fully-automatic, data-driven approach to natural language generation aimed at spoken dialog applications. MOUNTAIN uses statistical machine translation techniques and natural corpora to generate human-like language from a structured internal language, such as a representation of the dialog state. We briefly describe the training pr...

2005
Belle L. Tseng Junichi Tatemura Yi Wu

Blogs have created a fast growing social network on the Internet. However ranking solutions are not sufficient to capture relationships between important blogs and between communities. In our paper, we combine blog rankings with their social connections to provide a framework to understand multiple blog communities. A novel mountain view visualization is provided to explore different communitie...

2014
Teresa J. Parker Todd P. Lane

On 31 July 2007 a fatal light aircraft crash occurred near Clonbinane, Victoria, Australia and the official investigation concluded that mountain wave turbulence was the likely cause. This study uses three-dimensional numerical modelling and linear wave theory to examine the dynamics of mountain waves during this turbulence event and their role in generating turbulence. Analysis of the observed...

2008
GUSTAVO MARTINELLI

(Mountain biodiversity in Brazil). The high species richness and diversity found in tropical montane habitats are often related to: 1) an effect of climatic and geological history on biotic evolution; 2) the various environmental impacts on species adaptation mechanisms; and 3) the continuous dispersal of fauna and flora in time. However, little is known about how these factors shaped species r...

2004
CHIH-CHIEH CHEN DALE R. DURRAN GREGORY J. HAKIM

The evolution of mountain-wave-induced momentum flux is examined through idealized numerical simulations during the passage of a time-evolving synoptic-scale flow over an isolated 3D mountain of height h. The dynamically consistent synoptic-scale flow U accelerates and decelerates with a period of 50 h; the maximum wind arrives over the mountain at 25 h. The synoptic-scale static stability N is...

2001
Barry Ryan Mike Fournier Maggie Dittrick

The distribution of Selenium (Se) in the Jurassic-Cretaceous Mist Mountain Formation of southeastern British Columbia was documented in a previous study by Ryan and Dittrick (2001). As part of that study, complete sections of rock types, including coal seams were sampled, as well as various materials segregated by mining such as coarse refuse and solid tailings from tailings ponds. Preliminary ...

2017
Jordie D. Fraser Tiffany R. Bonnett Christopher I. Keeling Dezene P.W. Huber

Winter mortality is a major factor regulating population size of the mountain pine beetle, Dendroctonus ponderosae Hopkins (Coleoptera: Curculionidae). Glycerol is the major cryoprotectant in this freeze intolerant insect. We report findings from a gene expression study on an overwintering mountain pine beetle population over the course of 35 weeks. mRNA transcript levels suggest glycerol produ...

Journal: :Science 2012
Harald Pauli Michael Gottfried Stefan Dullinger Otari Abdaladze Maia Akhalkatsi José Luis Benito Alonso Gheorghe Coldea Jan Dick Brigitta Erschbamer Rosa Fernández Calzado Dany Ghosn Jarle I Holten Robert Kanka George Kazakis Jozef Kollár Per Larsson Pavel Moiseev Dmitry Moiseev Ulf Molau Joaquín Molero Mesa Laszlo Nagy Giovanni Pelino Mihai Puşcaş Graziano Rossi Angela Stanisci Anne O Syverhuset Jean-Paul Theurillat Marcello Tomaselli Peter Unterluggauer Luis Villar Pascal Vittoz Georg Grabherr

In mountainous regions, climate warming is expected to shift species' ranges to higher altitudes. Evidence for such shifts is still mostly from revisitations of historical sites. We present recent (2001 to 2008) changes in vascular plant species richness observed in a standardized monitoring network across Europe's major mountain ranges. Species have moved upslope on average. However, these shi...

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