'Freeze thaw' diaporamas de présentation

Glacial snout

1.34k views • 111 slides

Weathering, Rivers & Coasts

Weathering, Rivers & Coasts. F.Ciangura. F.Ciangura. Biological. Onion-Skin Exfoliation. Weathering. Freeze-Thaw/ Frost Shattering. Chemical. F.Ciangura. Rocks break due to action of plants and animals. Seeds get in rock Seeds grow into plants Cracks widen as roots grow

1.16k views • 71 slides

Gradation

Gradation. Outcome C . describe the features and processes associated with weathering and mass wasting. Outcome C Weathering. http://www.youtube.com/watch?v=lyysL02ZvQ8 Physical Weathering- Chemical Weathering-. Physical Weathering-Outcome C-1. Frost Shatter. Formative Task 1.

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Weathering and the formation of Sedimentary Rocks

Weathering and the formation of Sedimentary Rocks. WJEC AS Geology. I.G.Kenyon. Why do rocks and minerals weather?. Because they are out of equilibrium with the conditions under which they formed

1.37k views • 46 slides

Glaciation

Glaciation. Learning Intentions Be able to understand the processes which occurred during the last ice age. Be able to describe and explain the formation of features formed during glacial periods. Processes Of Weathering Freeze-Thaw. Water enters crack.

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LITHOSPHERE - GLACIATION

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Weathering and erosion

Weathering and erosion. Physical Weathering. Glaciation Water Wind Freeze/Thaw cycle. Glaciation. Glaciation. Glaciation. Glaciation. Glaciation. Glaciation. Water. Water. Water. Water. Water. Water. Wind. Wind. Wind. Wind. Wind. Wind. Freeze/Thaw. Freeze/Thaw.

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Chapter 3- Weathering Processes Two major categories Mechanical (or Physical) processes

Chapter 3- Weathering Processes Two major categories Mechanical (or Physical) processes physical breakdown of larger particles into smaller particles Chemical processes Chemical reactions that facilitate soil profile development Removal of chemical elements

485 views • 32 slides

Weathering and Mass Movement

Weathering and Mass Movement. Landform Development Dynamic Equilibrium Model Uplift creates potential energy of position (disequilibrium) Sun provides heat energy Hydrologic cycle provides kinetic energy Atmosphere and crustal reactions provide chemical energy.

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Pavement Structure and Base

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Weathering & Erosion

Weathering & Erosion. Weathering the process that produces change in the surface of rocks exposed to the atmosphere and/or hydrosphere. . Two Types OF Weathering:. Physical weathering is breaking rock by force. ex: hitting, scratching, cracking.

579 views • 26 slides

What characteristics distinguish mudflows from avalanches?

What characteristics distinguish mudflows from avalanches? What is a grainflow? A density underflow? What is dispersive presssure? How are avalanches controlled? What is permafrost? What factors result in melting of permafrost? What sorts of surface phenomena are associated with areas

381 views • 25 slides

Gravity II. Slope Processes and Landforms: Controls On Mass Wasting :

Gravity II. Slope Processes and Landforms: Controls On Mass Wasting :

936 views • 23 slides

Soils: the substrate upon which many plants depend for water and nutrients

Soils: the substrate upon which many plants depend for water and nutrients. --primary medium to support plants. --also acts as shelter for billions of micro and macro organisms. --bacteria, insects, worms, rodents: all help mix the soil and keep it healthy .

382 views • 19 slides

Rule Out?

Description of Problem: Cracking, staining, exposure of aggregate in edge of concrete roof. Possible Contributing Factors: Outdoor exposure Unprotected from rain Poor drip edge detail above No drip detailing at bottom of fascia.

334 views • 19 slides

Multiple Hurdle Interventions Against E. coli O157:H7 in Apple Cider

428 views • 17 slides

S. Castillo., A. Soria., C. Ping., G. Michaelson., M. Leigh University of Alaska Fairbanks

Google images 2011. Biochar Application to Subarctic Soils: Effect of biochar on microbial activity after freeze-thaw cycles and plant response at different application rates. S. Castillo., A. Soria., C. Ping., G. Michaelson., M. Leigh University of Alaska Fairbanks. Introduction.

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385 views • 11 slides

Week 9: 10/21-10/25

Week 9: 10/21-10/25. Earth Science GT Mrs. Brady 2013. 10/21/13 Obj : SW explain the role of gravity and natural agents (water, wind, glaciers) on Earth (landform changes) and how they impact the rock cycle. Warm Up 1. Test Analysis (just be patient for instructions) Agenda :

183 views • 11 slides

Waterproofing In The Winter

As with many home improvement projects, waterproofing your basement may be something you’ve thought about doing during the rainy spring season, but waterproofing in the winter may help prevent damage to your basements foundation. Let us explain…

71 views • 5 slides