A web based methane emissions modelling platform: Models and software development

摘要

This study developed a platform using a modelling and web technology approach to estimate methane emissions from landfills to assess methane emissions across the region. The web technology-based software EnLandFill, which was developed, allows users to log in, interact with landfill databases, and document and extract information regarding landfill emissions. Models that integrate web technology with databases and geographic information systems (GIS) are described. One of the achievements of this study was the development of an inverse algorithm to determine the waste source capacity according to a dispersion model, accounting for complex terrain and meteorological time-series data extracted from the Weather Research and Forecasting (WRF) model. EnLandFill software was applied to quantify CH_4 emissions for key developing regions, predicting approximately 158,977 tonnes, equivalent to 167,786,878 m~3 of CH_4 for the period of 2019 - 2030. The software also allows the evaluation of the scope and level of impacts of landfill emissions under given meteorological conditions.