Flashcards
Soils Ch. 1 & 2
Flashcards do conjunto (25)
- 1SoilLoose mass of broken and chemically weathered rock, mixed with organic matter (humus)
- 2HumusPartially decomposed organic matter
- 3Soil formationprimarily a product of rock weathering
- 4Physical rock weatheringbreakdown of rock into smaller pieces
- 5Chemical rock weatheringfrom chemical process, alters molecular composition
- 65 factors of soil formationparent material, climate, living organisms, topography, time
- 7types of parent materialcrystalline, sedimentary, recent cover deposits
- 8recent cover depositsgeologically young deposits
- 9Loesswind-transported deposit
- 10glacial depositsdeposits left by glaciers when retreated
- 11glacial tillmix of stones, sand, silt, and clay
- 12morainesunsorted mix of stones, sand, silt, clay deposited in broad blankets
- 13outwashextensive sheets of sand and gravel
- 14alluvial soilsdeposit formed by rivers and streams when flooded
- 15colluvial soilsgravity-transported deposits at the base of foothills or mountains (talus)
- 16topographylevelness/hilliness
- 17soil horizonlayers of organic and parent material
- 18soil profilecross section of soil horizon layers
- 19O horizonplant material on surface
- 20A horizontopsoil, dark humic material
- 21E horizoneluvial, leached zone
- 22B horizonsubsoil, accumulation of clay
- 23C horizonpartially altered parent material
- 24R horizonunaltered parent material
- 25biocyclingcycle of plants taking nutrients, transporting them to above ground parts, and returning it to soil
Informações
- Descrição
- Environmental Studies FlashCards sobre Soils Ch. 1 & 2, criado por Kierra Yang em 14-04-2025.
- Criado por
- Kierra Yang
- Visualizações
- 0
- Avaliação