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Carbon Emissions - Astrophysics Data System

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Last Updated: 04 September 2022

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Exploration of the Contribution of Fire Carbon Emissions to PM2.5 and Their Influencing Factors in Laotian Tropical Rainforests

It's of utmost importance to know the sources of PM2. 5 and fire carbon pollution, as well as the connection between them, for the prevention, detection, and policy formulation of severe PM2. 5 exposure in areas where biomass burning is a primary source. The HH clusters of PM2. 5 concentration and FCE were highly similar and distributed in the west of the study area, and the influence of FCE to PM2. 5 was modest but statistically significant. This research and finding, we suspect, as the heat rises owing to climate change in tropical rainforests, will help regulators and scientists better integrate drought and diurnal temperature range into FCE and PM2. 5 predictive models in order to develop effective and control air pollution in areas impacted by biomass combustion.

Source link: https://ui.adsabs.harvard.edu/abs/2022RemS...14.4052S/abstract


Spatial imbalance and factors influencing carbon emission efficiency in China's transport industry

For achieving carbon freeness in the transportation industry as soon as possible, investigating the regional variations in transportation carbon emission efficiency and clearly identifying the impact factors are critical to establish carbon neutrality in the transport industry. First, previous reports have revealed that the TCEE is rising at an all low rate with significant regional variations. The major factor of total variances in China's TCEE is the intra-regional variability, with rising first and then decreasing. For transportation departments, targeted and differentiated carbon pollution reduction plans were then developed, enabling carbon neutrality to be achieved as quickly as possible.

Source link: https://ui.adsabs.harvard.edu/abs/2022FrEaS..10.6467M/abstract


Efficiency of China's urban development under carbon emission constraints: A city-level analysis

Then, it evaluates urbanization effectiveness and changes in the city's total factor productivity, which is subjected to carbon emission constraints, using the epsilon-based measure superefficiency model and the Global Malmquist-Luenberger index. The total carbon emissions of the 249 cities increased from 1996 to 2017, including variations in rural development under carbon emission constraints, did not rise much. The urbanization effectiveness of western China was among the highest in the regional spatial sense, followed by the northeast region, the central area, and finally the eastern region. The use of nightlight imaging data and EBM superefficiency software enhances the accuracy of urban development efficiency estimation.

Source link: https://ui.adsabs.harvard.edu/abs/2022PCE...12703182L/abstract


The Impacts of Low-Carbon City Pilot Projects on Carbon Emissions in China

Here, we investigated the effect of low-carbon city pilot projects on carbon pollution in China by the use of a variety of econometric methods to collect data on these three waves of low-carbon city construction. When we controlled for the estimated propensity of a city to start the low-carbon city pilot project based on a series of urban characteristics, we found a similar result of low-carbon city pilot projects on carbon pollution. We obtained comparable estimates when we predicted whether a city would start the low-carbon city pilot programs using regional waves of low-carbon city pilot programs.

Source link: https://ui.adsabs.harvard.edu/abs/2022Atmos..13.1269T/abstract


An APEX search for carbon emission from NGC 1977 proplyds

In NGC 1977, which is two orders of magnitude smaller than that irradiating the Orion Nebular Cluster proplyds, we used the Atacama Pathfinder Experiment telescope to search for C I 1-0 emission toward eight proplyds, which is an FUV radiation environment two orders of magnitude smaller than that irradiating the Orion Nebular Cluster proplyds. We discover that the non-detections are 100% consistent with the models when compared both the propably predicted mass loss rates and C I flux constraints with a large grid of external photo-evaporation simulations. If such a test reveals higher masses, this would imply carbon depletion in the outer disc, as has been suggested for other discs with unusually low C I fluxes, but larger discs would also be incompatible with experiments that can reveal the observed mass loss rates and C I non-detections.

Source link: https://ui.adsabs.harvard.edu/abs/2022MNRAS.512.2594H/abstract


The Spatial Heterogeneity Effect of Green Finance Development on Carbon Emissions

This effect from local and adjacent regions is not significant, but green finance can significantly reduce carbon pollution in Northern China; on the whole, this effect is not significant; but for Northern China, the growth of green finance and carbon dioxide in adjacent regions showed an inverted U-shaped relationship. These results reveal that green finance development on carbon dioxide production in China has a significant regional heterogeneity.

Source link: https://ui.adsabs.harvard.edu/abs/2022Entrp..24.1042F/abstract

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions