نتایج جستجو برای: geomorphological conditions

تعداد نتایج: 850555  

2009
John R. Grehan Jeffrey H. Schwartz

Methods Maximum parsimony analysis was used to assess phylogenetic relationships among living large-bodied hominoids (= humans, chimpanzees, bonobos, gorillas, orangutans), and various related African, Asian and European ape fossils. Biogeographical characteristics were analysed for vicariant replacement, main massings and nodes. A geomorphological correlation was identified for a clade we refe...

2016
Jason Vokoun Melinda Dawn Daniels

Title: Development and evaluation of a multi-dimensional spatially and temporally dynamic mesohabitat classification model for stream management and water flow allocation planning in southern New England streams Project Number: 2006CT123B Start Date: 5/1/2006 End Date: 5/1/2008 Funding Source: 104B Congressional District: 2 Research Category: Biological Sciences Focus Category: Ecology, Geomorp...

2007
J. Darrozes

This study is based on a data set of aftershocks (location, fault−plane solutions) following the M=5.1 Arudy earthquake (02/29/80, French Western Pyrenees), and complementary geomorphological data (virtual geology using DEM and aerial photography). Data processing using Geophysical Information System are combined with identification of multi−structures based on the anisotropic wavelet formalism...

2017
Jing Ke Yi Guo Arcot Sowmya Tomasz Bednarz

An acceleration algorithm for spectral unmixing approach is proposed based on subset selection. The method classifies the pixels in a spectral image into accurate and approximated unmixing groups based on the similarity and dissimilarity of geomorphological features in neighboring areas. Real spectral images are used for unmixing benchmark tests for accuracy and performance verification. The re...

Journal: :Trans. Computational Science 2009
Maria Danese Maurizio Lazzari Beniamino Murgante

This paper follows a geostatistical approach for the evaluation, modelling and visualization of the possible local interactions between natural components and built-up elements in seismic risk analysis. This method, applied to old town centre of Potenza hilltop town, offers a new point of view for civil protection planning using kernel density and autocorrelation indexes maps to analyse macrose...

2012
J. M. Recio Espejo A. Martínez Camero Gil Torres

The “laguna de El Conde” wetland Ramsar reserve (Córdoba, Spain) depicts a geomorphological progression with different Pleistocene and Holocene stages and reaching a concluding situation by anthropic manipulation of the local network of tributaries. The nature of the sediments carried into the Triassic-gypsum depression where the reserve is situated. Further, dissolution processes and the forma...

2014
Tiberiu C. Sahlean Iulian Gherghel Monica Papeş Alexandru Strugariu Ştefan R. Zamfirescu

Climate warming is one of the most important threats to biodiversity. Ectothermic organisms such as amphibians and reptiles are especially vulnerable as climatic conditions affect them directly. Ecological niche models (ENMs) are increasingly popular in ecological studies, but several drawbacks exist, including the limited ability to account for the dispersal potential of the species. In this s...

2007
José Gregorio

Title of Document: IDENTIFYING LANDSLIDE HAZARDS IN A TROPICAL MOUNTAIN ENVIRONMENT, USING GEOMORPHOLOGIC AND PROBABILISTIC APPROACHES José Gregorio Roa-Lobo PhD, 2007 Directed By: Prof. Michael Kearney, Department of Geography The objective of this study is the performance, assessing, comparison and validation of a set of three landslide hazard maps: The geomorphological, the multicriteria eva...

Alireza Shahryary

In order to determine the source and critical areas of wind Erosion, Sistan Plain, IRIFR-E.A method was applied. According to geomorphological investigations, the studied area consists of the following two main units namely: Pediment with 1 type and 8 geomorphological facies, and playa with 2 types of flatland and desert type that includes 9 geomorphological facies. On the basis of sediment, th...

This research focuses on alluvial fans in desert area. Alluvial fans are one of the most important geomorphological units in desert area. There are several tremendous methods to separate alluvial fans. There are qualitative and quantitative factors to differentiate them from other geomorphological units. In this study effective geomorphometrical parameters in differentiate landforms were applie...

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