نتایج جستجو برای: landform evolution
تعداد نتایج: 342510 فیلتر نتایج به سال:
Various physical attributes of the Earth's surface are factors that influence local topography and indirectly influence human behaviour in terms of habitation locations. The determination of geomorphological setting plays an important role in archaeological landscape research. Several landform types can be distinguished by characteristic geomorphic attributes that portray the landscape surround...
This paper presents LANDFORM, a customized GIS application for semi-automated classification of landform elements, based on topographic attributes like curvature or elevation percentile. These parameters are derived from a Digital Elevation Model (DEM) and used as thresholds for the classification of landform elements like crests, flats, depressions and slopes. With a new method, slopes were fu...
Possible springs and their deposits are important targets for Martian exploration because of the information they contain about Martian landscapes and processes, provide indications for conditions in the Martian hydrosphere, are potential habitats for past (and present) Martian organisms, and their resource potential for human missions. The Dalhousie Mound Spring Complex (DMC) is one of largest...
This study focuses on the glacial landform record associated with recent surge events of Tunabreen a calving tidewater glacier in Tempelfjorden, Spitsbergen. Submarine geomorphology and recent terminal fluctuations of Tunabreen’s glacier front were studied using high-resolution multibeambathymetric data and a range of published and remotesensing sources, including topographic maps, satellite im...
Previous studies suggest that rodent burrows, a proxy for rodent population are important for predicting plague risk areas. However, studies that link landform, surface attributes and rodent burrows in the Western Usambara Mountains in Tanzania are scanty. Therefore, this study was conducted in plague endemic area of the Western Usambara Mountains in northern, Tanzania, to explore the relations...
This paper presents LANDFORM, a customized GIS application for semi-automated landform classification based on the definitions of SPEIGHT (1990). A set of commands for GeoMedia was developed for an easy step-by-step generation of topographic attributes for the classification of landform elements. Using the new commands topographic attributes like curvature or elevation percentile were derived f...
In the process of analyzing aerial photographs to obtain information on the engineering characteristics of soils, the first and perhaps the most important step is to identify the landform. The landform may consist of hills, valleys, plains, terraces, beaches, dunes, and other topo graphic features largely created by the forces of erosion. The im portance of the landform lies in its relation t...
-For the need of digital basin 3D simulation, the paper proposes a visualization optimization method for large-scale landform and flow pattern. Based on call of landform data partitioning organization and dynamic processing of visual regional data, for the present situation of commonly using ADO(ActiveX Data Objects) developing interface to realize the operation for database, OCI (Oracle Call I...
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