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Biochar needs to be measured through three main parameters  of known as the atmospheric-soil-energy (the A-S-E framework).

 

Atmospheric impacts are measured in the following three ways: 

 

1) ppm CO2, 

2) GT CO2 additions/removals in CO2 terms,

3) alternatively in C=CO2 terms.

 

The first two are related by 1 ppm CO2 equalling about 2.12 Gigatonnes (Gt) of CO2. ( 400 ppm CO2 = 850 Gt CO2.   CO2 can convert to C through their molecular weight rail 44/12=3.67.   Blue Biochar can be monitored as a percentage of the total.

 

Soil and energy metrics are well known (% carbon, Gigajoules, etc) and not special for Blue Biochar, but soil health may improve with “blueness”.

 

Because there will be a removal of ocean-dissolved CO2 as photosynthesis and (some) chemosynthesis turns CO2 and H2O into biomass, there will be significant attention also to ocean pH levels - which are rapidly getting too large.

 

Ocean surface temperature will also be monitored near these ocean “plantations”, as there is great concern among coral experts about the climate change related heat stress. Local Blue Biochar operations may provide some degree of cooling.

 

Blue Biochar will need a large workforce and so socioeconomics will also be an important metrics.

 

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