Surface Elevation Dynamics Assessment Using Digital Elevation Models, Light Detection and Ranging, GPS and Geospatial Information Science Analysis: Ecosystem Modelling Approach

Authors: Ali K. M. Al-Nasrawi, Uday A. Al-Hamdany, Sarah M. Hamylton, Brian G. Jones, Yasir M. Alyazichi

Abstract:

Surface elevation dynamics have always responded to disturbance regimes. Creating Digital Elevation Models (DEMs) to detect surface dynamics has led to the development of several methods, devices and data clouds. DEMs can provide accurate and quick results with cost efficiency, in comparison to the inherited geomatics survey techniques. Nowadays, remote sensing datasets have become a primary source to create DEMs, including LiDAR point clouds with GIS analytic tools. However, these data need to be tested for error detection and correction. This paper evaluates various DEMs from different data sources over time for Apple Orchard Island, a coastal site in southeastern Australia, in order to detect surface dynamics. Subsequently, 30 chosen locations were examined in the field to test the error of the DEMs surface detection using high resolution global positioning systems (GPSs). Results show significant surface elevation changes on Apple Orchard Island. Accretion occurred on most of the island while surface elevation loss due to erosion is limited to the northern and southern parts. Concurrently, the projected differential correction and validation method aimed to identify errors in the dataset. The resultant DEMs demonstrated a small error ratio (≤ 3%) from the gathered datasets when compared with the fieldwork survey using RTK-GPS. As modern modelling approaches need to become more effective and accurate, applying several tools to create different DEMs on a multi-temporal scale would allow easy predictions in time-cost-frames with more comprehensive coverage and greater accuracy. With a DEM technique for the eco-geomorphic context, such insights about the ecosystem dynamic detection, at such a coastal intertidal system, would be valuable to assess the accuracy of the predicted eco-geomorphic risk for the conservation management sustainability. Demonstrating this framework to evaluate the historical and current anthropogenic and environmental stressors on coastal surface elevation dynamism could be profitably applied worldwide.

Keywords: DEMs, eco-geomorphic-dynamic processes, geospatial information science. Remote sensing, surface elevation changes.

Digital Object Identifier (DOI): doi.org/10.5281/zenodo.1132751

References:

[1] Aarts, B.G.W. and P.H. Nienhuis, Ecological sustainability and biodiversity. International journal of sustainable development and world ecology, 1999. 6(2): p. 89-102.
[2] Al-Nasrawi, A.K., B.G. Jones, and S.M. Hamylton, GIS-based modelling of vulnerability of coastal wetland ecosystems to environmental changes: Comerong Island, southeastern Australia. Journal of Coastal Research, 2016b(75): p. 75, 33-37.
[3] Alyazichi, Y.M., et al., Risk Assessment of Trace Element Pollution in Gymea Bay, NSW, Australia. International Science Index, Environmental and Ecological Engineering Vol:9, No:12, 2015 World Academy of Science, Engineering and Technology.org/Publication/10003131, 2015: p. 1286-1292.
[4] Al-Nasrawi, A.K., et al., Civil-GIS incorporated approach for water resource management in a developed catchment for urban-geomorphic sustainability: Tallowa Dam, southeastern Australia. International Soil and Water Conservation Research, 2016a. 4(4): p. 304-313.
[5] Koltun, G., et al. Sediment transport and geomorphology issues in the water resources division. in Proceedings of the US Geological Survey (USGS) sediment workshop: expanding sediment research capabilities in today’s USGS, February 4-7, 1997, Reston, VA. and Harpers Ferry, WV. 1997.
[6] Kingsford, R.T., The effects of human activities on shorebirds, seabirds and waterbirds of Comerong Island, at the mouth of the Shoalhaven River. Wetlands (Australia), 1990. 9(1): p. pp. 7-12.
[7] Vörösmarty, C.J., et al., Global threats to human water security and river biodiversity. Nature, 2010. 467(7315): p. 555-561.
[8] Wood, J., The geomorphological characterisation of digital elevation models. 1996, University of Leicester (United Kingdom).
[9] Lovelock, C.E., et al., The role of surface and subsurface processes in keeping pace with sea level rise in intertidal wetlands of Moreton Bay, Queensland, Australia. Ecosystems, 2011. 14(5): p. 745-757.
[10] Malczewski, J., GIS-based land-use suitability analysis: a critical overview. Progress in planning, 2004. 62(1): p. 3-65.
[11] Walters, C., Challenges in adaptive management of riparian and coastal ecosystems. Conservation ecology, 1997. 1(2): p. 1.
[12] Scavia, D., et al., Climate change impacts on US coastal and marine ecosystems. Estuaries, 2002. 25(2): p. 149-164.
[13] Nicholls, R.J., Coastal flooding and wetland loss in the 21st century: changes under the SRES climate and socio-economic scenarios. Global Environmental Change, 2004. 14(1): p. 69-86.
[14] McIvor, A., et al., The response of mangrove soil surface elevation to sea level rise. The Nature Conservancy and Wetlands International, 2013(Natural Coastal Protection Series: Report 3): p. 1-59.
[15] Carvalho, R. and C. Woodroffe, The Sediment Budget as a Management Tool: The Shoalhaven Coastal Compartment, Southeastern Nsw, Australia, in 23rd NSW Coastal Conference. 2014: Ulladulla, NSW.
[16] Day, J.W., et al., Consequences of climate change on the ecogeomorphology of coastal wetlands. Estuaries and Coasts, 2008. 31(3): p. 477-491.
[17] Al-Nasrawi, A.K.M., et al., Modelling the future eco-geomorphological change scenarios of coastal ecosystems in southeastern Australia for sustainability assessment using GIS. 2015.
[18] Boak, E.H. and I.L. Turner, Shoreline definition and detection: a review. Journal of coastal research, 2005: p. 688-703.
[19] Boumans, R.M. and J.W. Day, High precision measurements of sediment elevation in shallow coastal areas using a sedimentation-erosion table. Estuaries, 1993. 16(2): p. 375-380.
[20] Costanza, R. Ecological sustainability, indicators, and climate change. in IPCC Expert Meeting on Development, Equity and Sustainability, Colombo, Sri Lanka. 1999. Citeseer.
[21] Gillin, C.P., et al., Evaluation of LiDAR-derived DEMs through terrain analysis and field comparison. Photogrammetric Engineering & Remote Sensing, 2015. 81(5): p. 387-396.
[22] Whelan, K.R., et al., Groundwater control of mangrove surface elevation: Shrink and swell varies with soil depth. Estuaries, 2005. 28(6): p. 833-843.
[23] Cahoon, D.R., et al., High-precision measurements of wetland sediment elevation: I. Recent improvements to the sedimentation-erosion table. Journal of Sedimentary Research, 2002. 72(5): p. 730-733.
[24] Cahoon, D.R., Estimating relative sea-level rise and submergence potential at a coastal wetland. Estuaries and Coasts, 2015. 38(3): p. 1077-1084.
[25] White, S.A. and Y. Wang, Utilizing DEMs derived from LIDAR data to analyze morphologic change in the North Carolina coastline. Remote sensing of environment, 2003. 85(1): p. 39-47.
[26] National Parks and Wildlife Service, N., Seven mile beach national park and Comerong island nature reserve, plan of management. 1998.
[27] Chang, H.-C., L. Ge, and C. Rizos, Assessment of digital elevation models using RTK GPS. Journal of Geospatial Engineering, 2004. 6(1): p. 13.
[28] Starek, M.J., Airborne Laser Terrain Mapping (ALTM), in Encyclopedia of Estuaries, M.J. Kennish, Editor. 2016, Springer Netherlands: Dordrecht. p. 4-7.
[29] Semeniuk, C. and V. Semeniuk, The response of basin wetlands to climate changes: a review of case studies from the Swan Coastal Plain, south-western Australia. Hydrobiologia, 2013. 708(1): p. 45-67.
[30] Chen, J. and P. Gong, Practical GIS: building and maintaining a successful GIS. 1998, Science Press, Beijing.
[31] Gong Peng, M.L., Error Detection in Map Databases: a Consistency Checking Approach. Geographic Information Sciences, 2000. 6(2): p. 188-193.