Comparison of multi-scale digital elevation models for defining waterways and catchments over large areas
Article
Article Title | Comparison of multi-scale digital elevation models for defining waterways and catchments over large areas |
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ERA Journal ID | 213033 |
Article Category | Article |
Authors | Harris, Bruce (Author), McDougall, Kevin (Author) and Barry, Michael (Author) |
Editors | Shortis, M., Shi, J. and Guilbert, E. |
Journal Title | ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences |
Journal Citation | 1-2, pp. 75-80 |
Number of Pages | 6 |
Year | 2012 |
Publisher | Copernicus GmbH |
Place of Publication | Göttingen, Germany |
ISSN | 2194-9042 |
2194-9050 | |
2196-6346 | |
Digital Object Identifier (DOI) | https://doi.org/10.5194/isprsannals-I-2-75-2012 |
Web Address (URL) | http://www.isprs-ann-photogramm-remote-sens-spatial-inf-sci.net/I-2/75/2012/isprsannals-I-2-75-2012.html |
Abstract | Digital Elevation Models (DEMs) allow for the efficient and consistent creation of waterways and catchment boundaries over large areas. Studies of waterway delineation from DEMs are usually undertaken over small or single catchment areas due to the nature of the problems being investigated. Improvements in Geographic Information Systems (GIS) techniques, software, hardware and data allow for analysis of larger data sets and also facilitate a consistent tool for the creation and analysis of waterways over extensive areas. However, rarely are they developed over large regional areas because of the lack of available raw data sets and the amount of work required to create the underlying DEMs. This paper examines definition of waterways and catchments over an area of approximately 25,000 km² to establish the optimal DEM scale required for waterway delineation over large regional projects. The comparative study analysed multi-scale DEMs over two test areas (Wivenhoe catchment, 543 km² and a detailed 13 km² |
Keywords | digital elevation models, waterways, geographic information systems, regional areas, Lidar |
ANZSRC Field of Research 2020 | 401302. Geospatial information systems and geospatial data modelling |
Byline Affiliations | School of Civil Engineering and Surveying |
Engineering and Surveying | |
BMT WBM, Australia | |
Institution of Origin | University of Southern Queensland |
Book Title | ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Technical Commission II |
https://research.usq.edu.au/item/q16w0/comparison-of-multi-scale-digital-elevation-models-for-defining-waterways-and-catchments-over-large-areas
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Harris, Bruce, McDougall, Kevin and Barry, Michael. 2014. "Characterisation of network objects in natural and anthropic environments." Dragicevic, S. and Li, S. (ed.) ISPRS Technical Commission II Midterm Symposium 2014. Toronto, Canada 06 - 08 Oct 2014 London, United Kingdom. https://doi.org/10.5194/isprsarchives-XL-2-161-2014The impact of varying statutory arrangements on spatial data sharing and access in regional NRM bodies
Paudyal, D. R., McDougall, K. and Apan, A.. 2014. "The impact of varying statutory arrangements on spatial data sharing and access in regional NRM bodies." ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences. II (8), pp. 193-197. https://doi.org/10.5194/isprsannals-II-8-193-2014A pyramid approach to lossless data compression of grid-based digital elevation models
Scarmana, Gabriel and McDougall, Kevin. 2014. "A pyramid approach to lossless data compression of grid-based digital elevation models." IEEE International Geoscience and Remote Sensing Symposium 2014 (IGARSS 2014): Energy and our Changing Planet. Quebec City, Canada 13 - 18 Jul 2014 Piscataway, NJ. United States. https://doi.org/10.1109/IGARSS.2014.6946981Developing spatial information sharing strategies across natural resource management communities
Paudyal, Dev Raj, McDougall, Kevin and Apan, Armando. 2013. "Developing spatial information sharing strategies across natural resource management communities." Onsrud, Harlan and Rajabifard, Abbas (ed.) Spatial Enablement in Support of Economic Development and Poverty Reduction: Research, Development and Education Perspectives. Needham, MA, USA. GSDI Association Press. pp. 141-168Using spatial modelling to develop flood risk and climate adaptation capacity metrics for vulnerability assessments of urban community and critical water supply infrastructure
Espada Jr., Rodolfo, Apan, Armando and McDougall, Kevin. 2013. "Using spatial modelling to develop flood risk and climate adaptation capacity metrics for vulnerability assessments of urban community and critical water supply infrastructure." Featherstone, Jeffrey (ed.) 49th World Congress of the International Society of City and Regional Planners (ISOCARP 2013): Frontiers of Planning: Evolving and Declining Models of City Planning Practice. Brisbane, Australia 01 - 04 Oct 2013 Netherlands.A comparison between static and dynamic foot mobility magnitude measures
Alshadli, Duaa, Chong, Albert K., Newsham-West, Richard, Al-Baghdadi, Jasim Ahmed Ali, Milburn, Peter and McDougall, Kevin. 2013. "A comparison between static and dynamic foot mobility magnitude measures." Toby, Hung (ed.) 31st International Conference on Biomechanics in Sports (ISBS 2013). Taipei, Taiwan 07 - 11 Jul 2013 Taipei, Taiwan.Human foot plantar surface shape change during gait
AL-Baghdadi, Jasim Ahmed Ali, Chong, Albert K., McDougall, Kevin, Milburn, Peter and Newsham-West, Richard. 2013. "Human foot plantar surface shape change during gait." Toby, Hung (ed.) 31st International Conference on Biomechanics in Sports (ISBS 2013). Taipei, Taiwan 07 - 11 Jul 2013 Taipei, Taiwan.Using spatial modelling to develop flood risk and climate adaptation capacity metrics for assessing urban community and critical electricity infrastructure vulnerability
Espada Jr., R., Apan, A. and McDougall, K.. 2013. "Using spatial modelling to develop flood risk and climate adaptation capacity metrics for assessing urban community and critical electricity infrastructure vulnerability." Piantadosi, J., Anderssen, R. S. and Boland, J. (ed.) 20th International Congress on Modelling and Simulation (MODSIM2013). Adelaide, Australia 01 - 06 Dec 2013 Canberra, Australia. Modelling and Simulation Society of Australia and New Zealand .The global cadastre
McDougall, Kevin, Bennett, Rohan and Molen, Paul van der. 2013. "The global cadastre." GIM International. 27 (7), pp. 30-34.![](/~234/dnn/default-thumbnail.png)