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A 3D volumetric soft geo-objects data model for dynamic streamflow generating processes

Abd Rahman, Alias and Yusoff, I.M.a and Katimon, A.c and Ismail, W.R.d (2010) A 3D volumetric soft geo-objects data model for dynamic streamflow generating processes. Journal of Environmental Hydrology, 18 . 1 - 14.

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Abstract

Soft geo-objects have been useful for investigating spatial patterns of the Geographic Information System (GIS) based overland flow mechanism, but have suffered from a lack of ability to realistically visualize the dynamic aspects of the volumetric Streamflow Generating Processes (SGP). Existing 2D soft geo-objects data models are insufficient for analyzing the dynamism of the Infiltration Excess Overland Flow (IEOF) volumetrically, which is the major process contributing towards SGP. At present, there is still no unifying evidence available that provides a coherent explanation for the integration of the 3D Volumetric Soft Geo-objects (VSG) data model for infiltration excess mechanisms. This study aims to visualize areas and overland flow volume generated from the IEOF process dynamically using a 3D VSG data model, which is driven by the Green-Ampt infiltration equation. Inclusion of a 3D VSG data model offers substantial value towards representing 3D soft geo-objects simulating IEOF dynamically within a catchment, estimating overland flow capacity, and routing and diversions to reduce landslides and flood disaster.

Item Type:Article
Subjects:Unspecified
Divisions:Geoinformation and Real Estate
ID Code:22785
Deposited By: Kamariah Mohamed Jong
Deposited On:28 Feb 2017 01:07
Last Modified:28 Feb 2017 01:07

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