Topic: El Nino Moisture & Latitude El Nino In Action.

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Presentation transcript:

Topic: El Nino

Moisture & Latitude

El Nino In Action

El Nino – La Nina - - El Nino – La Nina – -

Topic: Ground Water

Sun -

Where is the water? Source % of Supply Oceans97.08 Ice Sheets and Glaciers1.99 Ground Water0.62 Atmosphere0.29 Lakes (Fresh)0.01 Inland Seas / Salt Water Lakes0.005 Soil Moisture0.004 Rivers0.001

Surface storage: -

Runoff: -

Infiltrate: -

- Where does your faucet water come from?

Long Island consists of gravels, sand, silt and clays

Ground Water -

Pore - Porosity -

Unsaturated - Saturated –

Water Table: –-–-

Fire Island Long Island Sound Great South Bay You are here

Permeability - Impermeable -

Precipitation Evaporation Evapotranspiration Evaporation while falling

The Water Cycle on Long Island

Can we influence our groundwater?

FQ: What can we do to protect our ground water? ----

What are the affects of sediments on Groundwater?

Porosity All the pore space

Which sample has more porosity? Same

Size vs. Porosity Particle Size Porosity Increasing

Sorting of Sediments (sorted) (unsorted)

Sorting vs. Porosity Sorting Porosity Well Sorted Increasing Poorly Sorted

Which sample has more porosity?

Shape vs. Porosity Shape Porosity Round Increasing Flat (Clays) (sands)

Which sample has more porosity?

Permeability

Which sample is more permeable?

Size vs. Permeability Particle Size Permeability Increasing

Which sample is more permeable?

*As permeability increases, -

Infiltration

Size Large Faster Small Size vs. Infiltration Infiltration Slower

Slope vs. Infiltration Slope Infiltration Steep Faster Gentle Slower

Water Cohesion and Adhesion

Water Retention - upload.wikimedia.org/wikipedia/en/0/0c/Bottle.jpg

Size vs. Water Retained Size Water Retained Large Increasing Small

Smaller particles have more surface area to stick on

Capillarity —

Size vs. Capillarity Size Capillarity Large Increasing Small

FQ: Describe the porosity and permeability in unsorted sediments.