Abstract
In this study, a comprehensive model developed to estimate greenhouse gas (GHG) emissions from urban area with low impact development (LID) and its integrated management practices (IMPs). The model was applied to the actual urban area in Asan Tangjeong district (ATD) as a case study. A rainwater tank (1200 ton) among various LID IMPs generated the highest amount of GHG emissions (<TEX>$3.77{\times}10^5kgCO_2eq$</TEX>) and led to the utmost reducing effect (<TEX>$1.49{\times}10^3kgCO_2eq/year$</TEX>). In the urban area with LID IMPs, annually <TEX>$1.95{\times}104kgCO_2eq$</TEX> of avoided GHG emissions were generated by a reducing effect (e.g., tap water substitution and vegetation <TEX>$CO_2$</TEX> absorption) for a payback period of 162 years. A sensitivity analysis was carried out to quantitatively evaluate the significance of the factors on the overall GHG emissions in ATD, and suggested to plant alternative vegetation on LID IMPs.
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