Chapter 3: State Factors of Soil Formation in Interior Alaska

Parent Material:

Residuum

(source:  Mark Clark)

Eolian deposit---loess at BNZ LTER upland site

(source:  Dave Verbyla)

Alluvium deposits on Copper River

(source:  Mark Clark)

Lacustrine deposit

(source:  Chien-Lu Ping)

Glacial Till

(source:  Mark Clark)

Organisms:

Soil Profile of Black Spruce Stand

(source:  Chien-Lu Ping)

Soil Profile of Aspen Stand

(source:  Chien-Lu Ping)

Climate

 Permafrost Distribution in Alaska

(Source: Dave Verbyla)

Thermokarsting

(source:  Chien-Lu Ping)

Cryoturbation evidence in profile

(source:  Chien-Lu Ping)

Topography

Soil Profile, Valley Bottom

(source:  Chien-Lu Ping)

Soil Profile, South-Facing Slope

(source:  Chien-Lu Ping)

Soil Profile, North-Facing Slope

(source:  Chien-Lu Ping)


Time

Alluvial Terraces, Tanana River

(Source: Dave Verbyla)
        

Return to CD Table of Contents