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Evaluation of digital terrain models in Poland in view of a cm geoid modelling

100%
Kryński J., Mank M., Grzyb M., Kryński J., Mank M., Grzyb M.
Geodesy and Cartography
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2005
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vol. 54
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issue 4
2
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GIS Based Flooding Analysis Kaluwanchikudy DS Division

100%
Mathanraj S., Kaleel M. I. M.
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2018
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vol. 18
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issue 2
114-123
EN
The major objective of this study is to identify the flood severity level of the study area using GIS applications. By employing this map, safer habitation zones were established. Direct personal observation and face-to-face interview was done to gather the primary data and Disaster Management center reports, Census reports of Sri Lanka, images and published research reports were used as secondary data. The severity level of flooding in this area was analyzed using SRTM imagery in ArcGIS and overlaid on a Google Earth pro map. The findings of the study established that the highly affected area consisted of around 8.953003 sq·km, the moderately affected area was around 9.190781 sq·km and the lowly affected area was approximately 9.31039 sq·km within the study area. The major causes for flood disaster in this area are the lack of drainage systems in some potential flood regions, the low landscape, poorly maintained drainage systems and the geographical arrangement of the road network. By creating this map, the inhabitants will be aware of danger areas and can relocate accordingly [3, 5-9].
3
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Strefa krawędziowa Wzniesień Łódzkich w świetle wybranych metod GIS

100%
Szmidt A., Katedra Geografii Fizycznej Wydział Nauk Geograficznych U. Ł.
Acta Universitatis Lodziensis. Folia Geographica Physica
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2013
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vol. 12
EN
In this paper the author presented attempts at applying selected GIS methods for verification and visualization of H. Klatkowa’s paleogeomorphological concept (1965, 1972, 1996). Conducted research confirmed the existence of verge steps in the morphometric image of the region and also showed a high precision of archival cartographic materials. Studies also show that the SRTM-3 digital elevation model, apart from visualization, can also be used to some extent for geomorphometrical analyses.
PL
W artykule przedstawiono próby zastosowania wybranych metod GIS do weryfikacji i wizualizacji koncepcji paleogeomorfologicznej H. Klatkowej (1965, 1972, 1996). Prze-prowadzone prace potwierdziły istnienie stopni krawędziowych w obrazie morfome-trycznym obszaru, a także ukazały dużą precyzję wykonania archiwalnych materiałów kartograficznych. Badania wykazują również, że numeryczny model terenu SRTM3, oprócz zastosowań wizualizacyjnych, może również służyć w pewnym zakresie do analiz geomorfometrycznych.
4
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The effect of topography and quality of a digital terrain model on the accuracy of terrain corrections for centimetre quasigeoid modelling

84%
Grzyb M., Kryński J., Mank M., Grzyb M., Kryński J., Mank M.
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vol. 55
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issue 1
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