Abstract
The emissions of carbon dioxide generated by urban traffic is generally reflected by urban size. In order to discuss the traffic volume generated in developed buildings and road crossings in a single urban block, with the metropolitan area in Taichung, Taiwan as an example, this study calculates the mutual relationship between the carbon dioxide generated by the traffic volume and building development scale, in order to research energy consumption and relevance. In this research, the entire-day traffic volume of an important road crossing is subject to statistical analysis to obtain the prediction formula of total passenger car units in the main road crossing within 24 h. Then, the total CO2 emissions generated by the traffic volume in the entire year is calculated according to the investigation data of peak traffic hours within 16 blocks and the influential factors of the development scale of 95 buildings are counted. Finally, this research found that there is a passenger car unit of 4.72 generated in each square meter of land in the urban block every day, 0.99 in each square meter of floor area in the building and the average annual total CO2 emissions of each passenger car unit is 41.4 kgCO2/yr. In addition, the basic information of an integrated road system and traffic volume is used to present a readable urban traffic hot map, which can calculate a distribution map of passenger car units within one day in Taichung. This research unit can be used to forecast the development scale of various buildings in future urban blocks, in order to provide an effective approach to estimate the carbon dioxide generated by the traffic volume.
Highlights
According to the statistical data of the International Energy Agency (IEA), the global CO2 emissions increased by 88.7% from 1971 to 2004 and according to the energy consumption structure of the transportation department in Taiwan, the energy consumption of road transportation accounts for maximally 90% of the total energy consumption of the transportation department [1]
An urban block is taken as the basic unit, the total traffic volume generated at the fouFrigrFuoirgaeud6re.cR6ro.eRslaseitlniaotginosanloadlfidatighargearmabmlooocffkaappipsplliiaccanabablleyzfaecdttoorirsnsoofofaradwwearardrdtoddecfeorcerreeesecoasfsotvfavtrhaioeruiosmuflusotflouroaoalreraaersle.aatsio. n and efIfnictiehnistlyreasnedarccohn, vaennuiernbtalynebsltoimckaties tthaekeonvearsaltlhuerbbaansiecnuenrgity, tchoenstuomtapl trioanffi
The relation between the total annual CO2 emissions of urban blocks generated by vehicles and the total floor area of buildings (Figure 8) is as follows: y = 3.3 × FATA + 532,167
Summary
The energy consumption of the transportation department and CO2 emissions increase continuously and there are many factors influencing urban energy consumption [3]. The location of the housing and its size are the dominant factors determining energy use and greenhouse gas emissions [4]; in the future, research should be conducted regarding the relation between the large proportion of energy consumption in urban transportation and the development of buildings. In addition to the fact that urban areas have great influence due to land use control, zoning and building design scale, it is required to carry out overall research and analysis of the CO2 emissions generated by traffic demand, in order to effectively and completely know the overall urban energy consumption
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