Difference between revisions of "Flooded Soils"

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==List of topics==
 
#[[Exchange of gases]]
 
#[[Mobility and Solubility of Chemical]]
 
#[[Effects on life]]
 
 
 
==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====
===pH===
+
 
===Eh===
 
 
===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===
===Methaneous bacteria===
+
===Manganese reducing bacteria===
 
 
  
 
==Current Research==
 
==Current Research==
Line 35: Line 42:
 
==References==
 
==References==
 
==Edits and Dates==
 
==Edits and Dates==
Jan.30.2008 Sungho and Laleh:outline
 
 
 
 
 
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