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Topic: El Nino. Moisture & Latitude. El Nino In Action. El Nino In Action. El Nino – La Nina. - - El Nino – La Nina – -. Topic: Ground Water. -. -. -. -. -. -. -. Sun. Where is the water?. Source. % of Supply. Oceans. 97.08. Ice Sheets and Glaciers. 1.99. Ground Water.
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El Nino In Action • El Nino In Action
El Nino – La Nina • - • - • El Nino – • La Nina – • -
- - - - - - - Sun
Where is the water? Source % of Supply Oceans 97.08 Ice Sheets and Glaciers 1.99 Ground Water 0.62 Atmosphere 0.29 Lakes (Fresh) 0.01 Inland Seas / Salt Water Lakes 0.005 Soil Moisture 0.004 Rivers 0.001
Surfacestorage: - www.visitusa.com
http://veimages.gsfc.nasa.gov/6566/Egypt.A2004201.0830.1km.jpghttp://veimages.gsfc.nasa.gov/6566/Egypt.A2004201.0830.1km.jpg Runoff: -
Ground Water • -
Pore - Porosity -
Unsaturated- Saturated–
Water Table: • -
North South Great South Bay Long Island Sound Fire Island You are here
Upper Glacial Aquifer Magothy Aquifer LLoyd Aquifer Raritan Clay (aquitard)
Permeability • - Impermeable • -
Evaporation while falling Precipitation Evapotranspiration Evaporation
The Water Cycle on Long Island http://www.scwa.com/
Can we influence our groundwater? www.euwfd.com
FQ: What can we do to protect our ground water? ----
Porosity All the pore space
Size vs. Porosity Increasing Porosity Increasing Particle Size
Sorting of Sediments (unsorted) (sorted)
Sorting vs. Porosity Increasing Porosity Poorly Sorted Well Sorted Sorting
Shape vs. Porosity Increasing Porosity Flat Round (Clays) Shape (sands)
Size vs. Permeability Increasing Permeability Increasing Particle Size
Size vs. Infiltration Faster Infiltration Slower Large Small Size
Slope vs. Infiltration Faster Infiltration Slower Gentle Steep Slope
Water Cohesion and Adhesion www.atpm.com/13.10/tim-allen/
Water Retention - upload.wikimedia.org/wikipedia/en/0/0c/Bottle.jpg
Size vs. Water Retained Increasing Water Retained Small Large Size