نتایج جستجو برای: siyalan mountain

تعداد نتایج: 26316  

2008
DANIEL C. DAUWALTER FRANK J. RAHEL

1. Conservation biologists need tools that can utilize existing data to identify areas with the appropriate habitat for species of conservation concern. Regression models that predict suitable habitat from geospatial data are such a tool. Multiple logistic regression models developed from existing geospatial data were used to identify largescale stream characteristics associated with the occurr...

2005
Clarence R. Allen

Even after a century of intensive study, the problem of the origin of mountain systems remains as possibly the greatest enigma of the earth sciences. Specifically, what is the origin of mountain-building forces, and how are these forces manifested in the crustal rocks of the earth's surface? Field geologists who have studied such classical mountain systems as the Alps and the Appalachians have ...

2006
Julian H. Kang Sung-Mo Ahn Ji-Hyun Nam

A new container terminal is currently constructed in South Korea in order to handle ever increasing goods transported. The proposed terminal site is partially occupied by a rock mountain that should be removed to provide necessary aggregates and eventually a flat land. A total of 23 million cubic meters of rocks are to be excavated from this mountain, and the port authority wants to get it done...

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...

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