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Science on Seneca
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Seneca Lake, like all of the finger lakes were carved by what?
Pleistone glaciers
The events that shaped the basin had been accomplished how many years ago?
12,500 years ago.
Devonian rocks
Silurian carbonates, shales, and most importantly evaporites.
Evaporites are mainly what?
halite(rock salt)
Physical Characteristics of Seneca Lake
Length 34.5 miles
Greatest width 3.7 miles
Greatest depth approx. 630 feet
Area of Lake 66.6 square miles
Area of drainage basin 714 square miles
Length of shore 75.4 miles
Seneca lake has relatively high concentrations of what?
chloride ions.
The Native Americans
Lived near the lake
fished from them
used them for transportation
and had
great respect
for them
Uses of the lake today
water supply
sewer overfalls
One of our most precious resources is what?
Water, since it is needed by all life to survive
Dissolved oxygen in the water
needed for respiration
necessary for aquatic life
If the pH becomes less than 5...
an acidic strain is placed on the fish and plant life.
Chloride ion concentration in drinking water
if exceeds 250 ppm there is some health hazards to infants and adults with heart disease.
Lake Temperature Profiles
Autumn- lakes losses more heat then it gains
Winter- Temperatures are equal throughout.
Spring- ice begins to melt, water remains a uniform temperature from surface to bottom.
Summer- top- uniformly warm
middle- rapid temperature decrease
bottom- uniformly cold
Author
Anonymous
ID
46111
Card Set
Science on Seneca
Description
science on seneca
Updated
2010-10-30T19:39:05Z
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