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    Loss of land surface resulting from sea level rise and climate change

    Tutulic, Marija R.; Shamseldin, Asaad; De Costa, Gregory

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    IAHR 2015 loss of land paper - 1.pdf (4.136Mb)
    Date
    2015-07
    Citation:
    Tutulic, M., Shemseldin, A., & De Costa, G. S. (2015, July). Loss of land surface resulting from sea level rise and climate change. IAHR (Ed.), Proceedings of the 36th IAHR Congress.
    Permanent link to Research Bank record:
    https://hdl.handle.net/10652/3238
    Abstract
    The sea level rise in the Wellington Region has been studied recently and results have been presented in the report Sea-level variability and trends: Wellington Region (Bell and Hannah, 2012). In the last 100 years the sea level rise had an average yearly rate of 2.03 ± 0.15 mm relatively to the inner-city landmass. The total increase of the sea level of 0.2 m was accelerated in past 10 years by the “slow-slip events from the tectonic processes under Wellington city” (Bell and Hannah, 2012) with an average annual rate of 1.7 mm/year. In the research is predicted that by the 2090 sea level will increase by 0.8 m and by 2115 almost 1 m. These predictions were based upon the current sea-level monitoring. The authors have suggested that studies should cover four different cases of sea level rise regardless of the time period: 0.5 m, 1.5 m, 2.0 m and 2.5 m. Therefore the loss of land will be analysed for those four cases. The loss of the land in the LHGZ due to sea level rise was estimated by using ArcGIS (ESRI, 2012). The affected area by the sea level is defined by the corresponding contour, 0.5 m, 1.0 m, 1.5 m and 2.0 m, and the coast line which corresponds to 0 m contour and the sea level at present day. Loss of the land varies from 0.84 km2 for 0.5m increase up to 1.70 km2 for the increase of 2.0 m. The area of inland part of the LHGZ is 26.2 km2, therefore the loss of the land expressed in percentage is varying from 3.23% to 6.51%.
    Keywords:
    Wellington Region (N.Z.), sea level rise, land loss, inundation modelling, New Zealand
    ANZSRC Field of Research:
    090509 Water Resources Engineering
    Copyright Holder:
    International Association for Hydro-Environment Engineering and Research (IAHR)

    Copyright Notice:
    All rights reserved
    Available Online at:
    http://www.iahr2015.info/
    Rights:
    This digital work is protected by copyright. It may be consulted by you, provided you comply with the provisions of the Act and the following conditions of use. These documents or images may be used for research or private study purposes. Whether they can be used for any other purpose depends upon the Copyright Notice above. You will recognise the author's and publishers rights and give due acknowledgement where appropriate.
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