Estimating spatial distribution of exposure by integrating radiotelemetry, computer simulation, and geographic information system (GIS) techniques

1996 ◽  
Vol 2 (3) ◽  
pp. 527-538 ◽  
Author(s):  
W.D. Henriques ◽  
K.R. Dixon
Author(s):  
James S. Aber

Eastern Kansas has an active geomorphic regime dominated by stream erosion, which is strongly influenced by bedrock structure. Alluvial deposits of chert gravel of presumed Neogene age are widespread and abundant on hill tops and high terraces throughout the region. Many of these gravels contain quartzite and other exotic pebbles derived from western sources. Geographic information system (GIS) techniques are used to document and analyze the spatial distribution of upland chert gravel deposits. On this basis, Neogene drainage routes may be recognized for the ancestral Arkansas, ancestral Verdigris, ancestral Neosho, and ancestral Marais des Cygnes. These drainages bore little resemblance in position or direction to the modern rivers. Stream captures, valley entrenchment, and wholesale inversion of topography led to the modern drainage systems. During entrenchment, streams have shifted systematically southward and eastward, possibly as a result of long-term and continuing crustal tilting (neotectonism) down toward the Gulf of Mexico.  


2020 ◽  
pp. 116
Author(s):  
Rara Sugiarti ◽  
Warto Warto ◽  
Supariadi Supariadi

Van den Bosch fortress is located in Ngawi East Java Indonesia. The fortress’ unique location in the riverbanks of two main rivers of Java island, i.e. Bengawan Solo river and Madiun river, boosts its potentilas as a cultural tourist attraction. The meeting point between these two big rivers has given the fortress opportunities to develop unique tourism package. This study examined the potentials of the fortress, problems for developing the fortress, and the interconnection of spatial distribution of the fortress by employing geographic information system (GIS) to develop spatial-based management of the fortress as an intergrated cultural tourism site. Spatial-based management of the historical resource is aimed at combining and enhancing the urban elements including town square, traditional market, fortress, and rivers as well as some supporting facilities; and it is expected to be able to make Van den Bosch fortress as the center of the attractions. All of the elements of the urban area need to be spatially planned and managed in order to perform a unique tourist attraction in the most enticing historical destination of the region. Keywords: cultural tourism, fortress, historical asset, spatial-based management.


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