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    Simplified model forecasting changes to groundwater table and land lost due to sea level rise

    Li, Jiannan; De Costa, Gregory; Phillips, David

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    Simplified composite model IAHR 2016 Jinan.pdf (1.103Mb)
    Date
    2016-08
    Citation:
    Li, J., De Costa, R. St-G. S. & Phillips D. (2016, August). Simplified Model Forecasting Changes To Groundwater Table And Land Lost Due To Sea Level Rise. International Association for Hydro-Environment Engineering & Research (IAHRAPD) (Ed.), 20th Congress of the Asia Pacific Division of the International Association for Hydro Environment Engineering & Research (IAHR APD)
    Permanent link to Research Bank record:
    http://hdl.handle.net/10652/3679
    Abstract
    It is well known that climate change is causing sea levels to change worldwide. This sea level increase is causing loss of land and changes to water table in coastal zones. There are sophisticated models such as ARCGIS, FEEFLOW etc. to model and accurately calculate the changes occurring in these areas. In order to use these models one requires good quality data sets coupled with experienced modellers which is at times sparse and hard to source. Therefore here in this research a simplified method is proposed to estimate the changes occurring in these areas. Initially sea level changes were projected using linear regression method. Changes to land and water table in Wellington New Zealand were simulated, modelled and a simple model was developed using this data to estimate changes. The model was validated using a different data set series. This model could now be used to easily estimate the changes to ground water and land loss in other coastal zones, particularly where data is sparse and technical knowhow on modelling is limited, which is generally the case in most areas.
    Keywords:
    Lower Hutt zone (New Zealand), Wellington (N.Z.), changes to water table, climate change, land loss, inundation modelling
    ANZSRC Field of Research:
    090509 Water Resources Engineering, 080110 Simulation and Modelling
    Copyright Holder:
    International Association for Hydro-Environment Engineering and Research (IAHR)
    Rights:
    This digital work is protected by the Copyright Act 1994 (New Zealand). It may be consulted by you, provided you comply with the provisions of the Act and the following conditions of use: Any use you make of these documents or images must be for research or private study purposes only, and you may not make them available to any other person. You will recognise the author's and publishers rights and give due acknowledgement where appropriate.
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    • Construction + Engineering Conference Papers [142]

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