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GEOL 340 Environmental Soil Science

GEOL 340 Environmental Soil Science. “Soils and Land Use”. I. Introduction A. What is Pedology? from Greek: pedon, "soil"; and logos, "study") is the study of soils in their natural environment. “pedogenesis, soil morphology, and soil classification”. I. Introduction

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GEOL 340 Environmental Soil Science

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  1. GEOL 340Environmental Soil Science “Soils and Land Use”

  2. I. Introduction A. What is Pedology? from Greek: pedon, "soil"; and logos, "study") is the study of soils in their natural environment “pedogenesis, soil morphology, and soil classification”

  3. I. Introduction B. What is a Pedologist? A pedologist is someone who, by virtue of specialized higher education, training and experience with soils,is able to: • Identify soils as natural units on the landscape, • Differentiate soil types and landscape units, then document their location on aerial photographs or other suitable base map, • Describe their characteristics and properties, and recognize their limitations for various land uses, and • Promote their wise utilization.

  4. I. Introduction C. What is Soil?

  5. Introduction • What is Soil? A. Pedologist: Earth material which has been so modified by physical, chemical, and biological agents so that it will support rooted plants.

  6. I. What is Soil? A. Pedologist: Earth material which has been so modified by physical, chemical, and biological agents so that it will support rooted plants. B. Engineer: The layer of loose incoherent material of whatever origin that rest on hard bedrock; and can be excavated by conventional means without a need for systematic drilling and blasting.

  7. What is Dirt?

  8. What is Dirt? Older than dirt????!!!!

  9. What is Dirt? “undesirable debris which may contain soil.”

  10. II. Founding Fathers of Pedology “The Ole Worthies”

  11. Edmund Ruffin

  12. C.F. Marbut Vasily V. Dokuchaev

  13. Guy Smith Hans Jenny

  14. Peter Birkeland Karl Terzaghi Robert Ruhe

  15. III. The Importance of Soil “Broad Trends and General Observations”

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