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Resource: used or used up in processes

Carbonic acid

Appears in 13 processs and 18 steps. Everything below is linked: open a process to see it in context.

Top processes

Chemical weathering: CO2-driven dissolution and CO2 consumption

4 steps

Weathering

2 steps

Mineral weathering and parent material

2 steps

Living soil system

1 step

Mineral weathering and parent material

Terrestrial ecosystem functioning

1 step

Weathering

Weathering, erosion and sediment transport

1 step

Chemical weathering dissolves silicates and carbonates, consuming Carbon dioxide

Show 7 more processes

Cation exchange, pH and soil solution chemistry

1 step

Buffering: carbonate, exchange, Al hydroxide and silicate buffers resist change

Phosphorus cycling

1 step

Rock weathering releases phosphate from apatite

Soil CO2 and biotic enhancement of weathering

1 step

Carbonic and organic acids acidify microsites at mineral surfaces

Pedogenic carbonate accumulation and calcrete formation

1 step

Infiltrating water dissolves carbonate in the wetter upper profile as soil CO2 raises carbonic acid

Soil inorganic carbon: pedogenic carbonate formation and dissolution

1 step

Root and microbial respiration raise soil pore CO2 well above the atmosphere, driving carbonic acid and bicarbonate formation

Biological weathering by roots, mycorrhizal fungi and microbes (plants speed weathering about 2-10 fold)

1 step

Root and microbial respiration lifts soil CO2 to 10-100 times air

Enhanced rock weathering on cropland

1 step

Dissolution consumes CO2 and forms bicarbonate

Often found with

Water 10 Carbon dioxide 9 Water 8 Plant roots 7 Minerals 6 Microbes 5 Soil water 5 Calcium 4 Bicarbonate 3 Primary minerals 2 Rock 2 Minerals 2

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