by Rashid Mahmood and Tariq Rahim Soomro
Original Research
In today’s technological world everyone need accurate information regarding their surroundings. Several map-based Web applications are providing these spatial details, some are for free and other are paid services. Finding and analyzing path from source to destination is common feature of these Web applications; also these services are not purely GIS (Geographical Information System) services, rather are map manipulator services, but finding and analyzing a shortest path, fastest path and optimize path are still the need of the day. In this paper an application has been developed using ArcGIS Web mapping services to suggest shortest path, fastest path and optimized path using ArcGIS Web API for UAE data layers. The results of this paper clearly showed the applicability and potentiality of using ArcGIS as a tool in path analysis.catch a cheat
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Journal of Geosciences and Geomatics. 2015, 3(1), 24-27. DOI: 10.12691/jgg-3-1-4
Pub. Date: April 09, 2015
13565 Views4479 Downloads12 Likes
by Mamodu Adegbe, Ako Thomas Agbor, Chukwu. N. Jacinta, Waziri. H. Salome, Ofor. N. P and Alhassan Defyan Usman
Original Research
The Wenchuan earthquake of May, 2008 led to an abundance of loose landslide debris being present on the slopes and in the gullies of Hongchun catchment, South West, China. The debris later served as source material for the July 21st, 2011 rainfall-induced debris flows in the Hongchun catchment. The main objectives of this research are: to understand the catchment hydrological processes, to inventorize and characterize the landslides bodies as potential sources of debris flow and to reconstruct the debris flow events. Geomorphological mapping of the landslides revealed 38 of them. However, these landslides were characterized according to scarp and body. The geomorphological mapping was supported by field observations and historical knowledge gathered through interviews revealed that the co-seismic landslides were the potential source of debris flows in the catchment. Putting the hydrological processes into perspective, the Limburg soil erosion model (LISEM) shows hydrograph with three peaks corresponding to discharge from rainfall water but produce little runoff. Thus, antecedent rainfall may have saturated the debris/soil on the slope that triggered the debris flow. The LISEM hydrograph from LISEM and Flo-2D models were coupled and reconstructed the debris flow. The debris flow results shows a maximum flow velocity of 2.9m/s, area extent of 975000 km2, average flow depth of 11.2 m and impact force of 4,559 N/m2. Finally, the debris flow volume of 171,350 m3 representing 80.7% of the total debris flow volume was reconstructed.how to cheat on my husband
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Journal of Geosciences and Geomatics. 2015, 3(1), 17-23. DOI: 10.12691/jgg-3-1-3
Pub. Date: March 05, 2015
20644 Views6807 Downloads24 Likes
by Ahmed Salem Saleh and Sahar Salem Saleh
Original Research
Landslides in the Canyon slopes of the lower reach of Watier Valley represent one of the great hazards, which threaten the highway users that extends along the canyon bed between Newieba marine port and the rest of the country, for more than 50 km. In addition, the other human activities inside this reach are susceptible for the landslides hazard, especially, the electric, water networks and scattered Bedouins communities. This study tries to highlight the landslides hazard issue along the canyon reach. In order to analyze, evaluate and mitigate the hazard, a combination of data acquired, manipulated and implemented in the form of geo-informatics package. Fieldwork measurements for the canyon sides slope by using non-prism Total-Station and high-resolution quick-bird images were the main data sources. A GIS Model designed and applied for manipulating, processing and conducting these data. The application of this approach give the opportunity to create a Risk Zones Map for the canyon reach and revealed three main points: 1-Elevation, very steep slopes and rock structure are the main precondition factors and the earthquakes, while, the heavy rain-falls and seismic movements are the triggering main factors for that cause the landslides hazards. 2-The rock fall, toppling, rock sliding and debris flow are the main landslides movement forms. 3- The study suggested some appropriate mitigation methods to reduce the risk of landslide movements and rock stability along the canyon.erotic preteen sex stories
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Journal of Geosciences and Geomatics. 2015, 3(1), 7-16. DOI: 10.12691/jgg-3-1-2
Pub. Date: March 04, 2015
23814 Views7856 Downloads27 Likes
by Kamyar Hasanzadeh
Original Research
Studying qualitative data in their geographical context has the potential to reveal useful information in different studies, such as human geography, geology, urban studies and land use planning. Accordingly, there has recently been an increasing interest in applications of spatial technologies, and more specifically GIS, in studying qualitative data. Similar to other types of geocoded data, various spatial, visual, analytical, and exploratory techniques can be applied to the spatio-qualitative datasets in order to discover knowledge. Typical spatial analysis provides techniques for discovering patterns from large geographical datasets. However, due to qualitative characteristics of this type of data, these techniques should be used more strategically in order to achieve concrete knowledge. Accordingly, this research propounds a four stage spatial knowledge discovery strategy that is adapted to meet the most common characteristics of the spatio-qualitative data specifications. Furthermore, the proposed paradigm is applied to a case study of urban impression in Helsinki region in Finland, and the results are briefly presented.how many guys cheat
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Journal of Geosciences and Geomatics. 2015, 3(1), 1-6. DOI: 10.12691/jgg-3-1-1
Pub. Date: February 19, 2015
14547 Views4418 Downloads29 Likes