Flooded Soils: Difference between revisions
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==Introduction== | ==Introduction== | ||
overall definition | |||
==Process == | ==Process == | ||
general process | |||
aggregates/polutant plume | |||
===Oxidation/reduction(redox) reaction=== | |||
====Electron tower==== | |||
Change of terminal electrons acceptor with soil depth | |||
===Variation of pH and Eh=== | |||
====pH==== | |||
gradually increasing due to consumpsion of H+ during ananerobic respiration | |||
====Eh==== | |||
decreasing in Eh(V) with soil depth | |||
===Exchange of atmospheric gases=== | ===Exchange of atmospheric gases=== | ||
====Oxygen==== | ====Oxygen==== | ||
| Line 15: | Line 20: | ||
====Nitrogen==== | ====Nitrogen==== | ||
====Methane==== | ====Methane==== | ||
===Solubility/mobility of mineral=== | ===Solubility/mobility of mineral=== | ||
===Effects on life=== | ===Effects on life=== | ||
| Line 26: | Line 30: | ||
==Key Microorganisms== | ==Key Microorganisms== | ||
The role of micoorganisms under flooded soil | |||
===nitrate reducing bacteria=== | |||
===Methaneous bacteria=== | |||
===Ion reducing bacteria=== | |||
===Sulfate reducing bacteria=== | ===Sulfate reducing bacteria=== | ||
=== | ===Manganese reducing bacteria=== | ||
==Current Research== | ==Current Research== | ||
| Line 35: | Line 42: | ||
==References== | ==References== | ||
==Edits and Dates== | ==Edits and Dates== | ||
Edited by students of [mailto:kmscow@ucdavis.edu Kate Scow] | Edited by students of [mailto:kmscow@ucdavis.edu Kate Scow] | ||
Revision as of 06:10, 5 March 2008
Introduction
overall definition
Process
general process
aggregates/polutant plume
Oxidation/reduction(redox) reaction
Electron tower
Change of terminal electrons acceptor with soil depth
Variation of pH and Eh
pH
gradually increasing due to consumpsion of H+ during ananerobic respiration
Eh
decreasing in Eh(V) with soil depth
Exchange of atmospheric gases
Oxygen
Carbon dioxide
Nitrogen
Methane
Solubility/mobility of mineral
Effects on life
Plant nutrient availability
Microorganism activity
WHAT ABOUT IRON AND MANGANESE?-Kate
Key Microorganisms
The role of micoorganisms under flooded soil
nitrate reducing bacteria
Methaneous bacteria
Ion reducing bacteria
Sulfate reducing bacteria
Manganese reducing bacteria
Current Research
References
Edits and Dates
Edited by students of Kate Scow
