5 votes
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USA and UK government report on plane emissions: 200% difference... which is right?

I've looked into this briefly and noticed a few things that are worth pointing out. First, your EPA table looks like it was based on Table 8 of this EPA pdf: https://www.epa.gov/sites/production/...
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  • 3,133
4 votes
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If US emissions went to zero how long until global emissions reach current levels

That will depend on the emission scenario you pick for the future, the more recent scenarios are the RCP's (Representative Concentration Pathway). RCP scenarios The scenarios involve future pathways ...
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4 votes

USA and UK government report on plane emissions: 200% difference... which is right?

The unit is different. The British data is in gram per passenger per kilometer travelled, while the US data is in gram per passenger per mile traveled. ...
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2 votes
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Spatial allocation of road emissions and unit conversion

You have got your emissions over a square kilometer. To get to square meters you divide by 1000000 since $1km^2=10^6m^2$.
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  • 994
2 votes

Has the Average Volume of Volcanic Emissions Been Constant Since the Last Major Fluctuation?

If you have access, I would recommend you to read this short chapter of the Encyclopedia of Volcanoes. In summary: At ocean ridges, studies show a steady rate of oceanic crust production during the ...
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2 votes
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WRF/Chem: Editing NetCDF (wrfchemi files) for own emissions

You can try the R package eixport, with wrf_put ...
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  • 412
2 votes
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Greenhouse gas emissions from wildfires in California

The California Air Resources board posted this PDF that includes emission estimates up to 2017, which were 37.1 million metric tons. If anyone is interested in related info, the search phrase I used ...
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  • 2,137
2 votes

How to speciate EDGAR emissions for CBMZ?

I used the R package eixport (Ibarra-Espinosa et al., 2018) to download EDGAR data (5 and spec voc 4.3.2) and then include several speciations for chemical mechanisms according to Carter (2015) and ...
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  • 412
2 votes

Does use of hemp oil for transport fuel produce a net positive CO2e?

Agricultural sectors are under pressure from food production. Population growth, climate change, desertification, water scarcity, soil destroyed by chemicals, monocultures, ...etc. will increase that ...
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1 vote

Does use of hemp oil for transport fuel produce a net positive CO2e?

Burning crop residue to fly from A to B is no different than burning trees to generate electricity which is almost the same as (the time scales differ) burning coal or oil to generate electricity. My ...
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1 vote

How to generate inputs for the MUNICH model from the VEIN model

First, download a project with vein and estimate vehicular emissions. Some projects are here: https://atmoschem.github.io/vein/reference/get_project.html ...
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  • 412

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