In this paper, the comparison of transportation CO2 characteristics and vehicle emission structure of two typical urban roads in Beijing are studied from the urban road scale. We found that traffic CO2 emissions from the North Fifth Ring Expressway is much higher than the Datun and Beichen West urban main road. In both of the two typical urban roads, private vehicles such as ordinary passenger cars and SUV constitute the main part of transport CO2 emissions. The percentage of CO2 emitted by trucks in the North Fifth Ring is higher than that in the main urban area while the percentage of CO2 emitted by public transport is lower than that in the main urban area. Based on this, some recommendations on transportation carbon emission reduction is proposed in this paper.
The study of natural resources and ecosystem service value assessments is crucial for understanding the direct economic benefits and potential ecological, environmental, and social benefits of these resources. Existing research lacks a comprehensive information management framework design and application exploration for the practice process, and a unified and standardized technical framework has not been established, which makes it difficult to expand the functions in the future. This study uses data from various aspects such as statistical yearbooks, remote sensing satellites, and field studies, and adopts the market value method and alternative cost method to construct a natural resources and ecosystem service value indicator system and a comprehensive evaluation information system, taking Shaanxi Province as an example. The total value of natural resources and ecosystem services in Shaanxi Province is CNY 107.67 trillion, of which the value of natural resources is CNY 105.11 trillion and the value of ecosystem services is CNY 2.56 trillion. This study makes up for the deficiencies in the realization path of the existing natural resources and ecosystem service value accounting studies, solves the problems of a large number of data collection sources, integration of accession criteria, integrated assessment methods, and synchronized assessment updates in natural resources management in Shaanxi Province, and realizes the visualization and information management of natural resources and ecosystem service value accounting.
7 August 2018 in IOP Conference Series: Materials Science and Engineering
In this paper, the variation characteristics of diurnal and weekly transportation CO2 emissions at intersection of the Datun and Beichen West Road are studied from the urban road scale. The double-peak and double-trough pattern of diurnal transportation CO2 emissions at the intersection of Datun Beichen West Road is very obvious. The weekly transportation CO2 emissions order is: Monday (the first workday of a week) > weekend > Wednesday (an ordinary workday of a week). Based on this, transportation carbon emission reduction is proposed in this paper.