Postglacial peatlands of the Lake Agassiz plain, northern Minnesota.

Earth & Environmental Sciences

• raised bog 84%
• Postglacial 63%
• peatland 61%
• plain 44%
• lake 34%
• water flow 25%
• sedge 18%
• fen 17%
• prairie 15%
• coniferous tree 15%
• water chemistry 14%
• Holocene 11%
• drainage 10%
• nutrient 9%
• ion 9%
• water 8%
• groundwater 8%
• vegetation 8%

Engineering & Materials Science

• Lakes 69%
• Water 31%
• Flow of water 19%
• Nutrients 18%
• Groundwater 17%
• Drainage 15%
• Minerals 14%
• Ions 13%

Chemical Compounds

• Flow Chemistry Technique 21%
• Red 20%
• Birch Reduction 19%
• Groundwater 15%
• Spreading 15%
• Mineral 11%
• Flow 9%
• Chemistry 8%
• pH Value 6%
• Ion 5%
• Time 5%