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Applied Biogeochemistry and Climate Change


Applied Biogeochemistry and Climate Change06-10-2024 17:43
sealover
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(8)
My apologies for being bilingual only in English and Spanish. Not Danish.

I am a retired PhD biogeochemist whose widely-cited research publications are highly relevant to sequestration of carbon dioxide and emission of nitrous oxide in agroecosystems.

I also did extensive groundwater biogeochemistry research in coastal wetlands.

The subjects that I invite anyone to discuss, in English, at climate-debate.com or perhaps even right here on Branner's OTHER website:

1. How to maximize the sequestration of atmospheric carbon in agroecosystems through applied biogeochemistry. Of particular interest is the role of plant polyphenols (tannins) as regulators of carbon and nitrogen cycling.

2. How to minimize emission of nitrous oxide, a very powerful greenhouse gas, from agroecosystems or downstream aquatic ecosystems. Of particular interest is the role of plant polyphenols (tannins) as regulators of carbon and nitrogen cycling.

3. How to best employ mycorrhizal fungi, symbiotic partners of plants, to maximize sequestration of atmospheric carbon dioxide into stable soil organic matter, and minimize emission of nitrous oxide gas to the atmosphere or export of nitrate to groundwater or surface water.

4. How to manage coastal wetlands to maximize their output of alkalinity, as bicarbonate ions or carbonate ions, in submarine groundwater discharge. Of particular interest is the role of microbial reduction of sulfate under low oxygen conditions. Sulfate reducing bacteria use sulfate as oxidant to exploit the energy acquired by oxidizing organic carbon in the absence of oxygen. Rather than produce carbon dioxide as the (oxidized) inorganic carbon product, they generate bicarbonate ions and carbonate ions as the inorganic carbon product.

Nitrate reducing bacteria, iron reducers, manganese reducers, and others also use oxidants other than oxygen to exploit organic carbon under low oxygen conditions. They ALL generate alkalinity (bicarbonate and carbonate) rather than carbon dioxide as the oxidized inorganic carbon product. They ALL contribute to alkalinity in submarine groundwater discharge to the sea.

Ocean acidification occurs as increased input of carbon dioxide to the sea from the atmosphere produces higher concentrations of carbonic acid. The sea's pH has only dropped slightly, as its buffering capacity is slowly depleted. The most important consequence of this is that the concentration of carbonate ion in sea water has diminished to the point that shell forming organisms have difficulty acquiring enough carbonate ion for larval shell development.

Anybody speak both English and science?

My most famous discovery was published in the journal Nature, in 1995.

This is the one most frequently cited in the climate change literature.
07-10-2024 21:24
Euro
★★★☆☆
(639)
You might be interested in my post about carbon capture teknologi where i copy paste from a website claiming to reduce N2O significantly. Yes i know i mix english and danish sorry...

I think this is the continuing company...

https://raincagecarbon.com/
08-10-2024 19:02
sealover
☆☆☆☆☆
(8)
Euro skrev:
You might be interested in my post about carbon capture teknologi where i copy paste from a website claiming to reduce N2O significantly. Yes i know i mix english and danish sorry...

I think this is the continuing company...

https://raincagecarbon.com/


Thank you for your reply, Euro.

Raincagecarbon works in a different area of applied science than I do.

My interest is in sharing knowledge of how living organisms already have evolved to sequester atmospheric carbon dioxide into stable soil organic matter, minimize nitrous oxide emissions to the atmosphere, minimize export of nitrate to groundwater and surface water, and neutralize ocean acidification through the alkalinity generated in coastal wetland submarine groundwater discharge.

My most widely cited publication:

(Myself, et al) 1995. Polyphenol control of nitrogen release from pine litter. Nature 377, pages 227-229

I understand that English language discussion may not get very far here.

Por si acaso algun cientifico encuentre esto y le interese, con mucho gusto podriamos discutir estos temas en el Espanol.

However, I do not know ANY DANISH and I will not understand a word of it.




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