Phy/Chem Weathering
What are the names of the 4 agents of weathering
Water, Ice, Wind, Gravity
What is the name of the organic material at the top of a soil horizon?
Humus
What are the name of the particles that are carried by a stream by the process called solution?
Clay or SIlt
Where in New York State did the last glacier reach?
Long Island
If a stream is moving at 350 cm/sec and suddenly encounters a lake what size particle will be dropped off first?
Boulders
What is the two letter air mass code that is best for physical weathering?
mP
What are two things that could water to not infiltrate into the ground?
Steeper slope
Paved Surface
Impermeable ground
Smaller particles
1) What speed does a stream have to be travelling in order to erode particles that have diameter of 1cm in size?
2) What size particle can be eroded by a stream that is moving at 10cm/sec?
1)50 cm/sec
2) 0.2 cm
What sized particles can be carried by glaciers?
all sized
What is the name of a feature created when a river empties into an ocean?
Delta
What is the two letter air mass code that is best for chemical weathering?
mT
What is the name of the line that separates the zone of aeration and the zone of saturation?
water table
When a stream speed increases there is an increase in _________ and when a stream slows down there is an increase in ___________
Erosion, Deposition
What is the shape of valley carved out by a glacier?
U shaped
What is the name of the depositional feature that is created from a glacier that indicates the direction the glacier has moved?
Drumlin
What are the names of the two sedimentary rocks that can be dissolved by carbonic acid?
Limestone and Dolostone
If there are 3 different sized particles of uniform shape what can you say about their porosity?
What shape does a stream make when it cuts through a landscape?
V shape
How long ago did the last glacier dominant New York State?
10-20 thousand years
What is the name of the landscape, the time period, the age of the rock and the type of rock found in Ithaca NY?
Allegheny Plateau
Devonian
416-359 mya
Sedimentary
Physical and Chemical weathering occurs at the quickest rate when a rock is made of soft/hard minerals, has a large/small surface area and is exposed to an abundant/scare amount of water
soft, large, abundant
What size and shaped particles will have the greatest permeability?
Boulders and round
If there was a meander in the stream the deepest/shallowest, fastest slowest and most eroded/most deposited would be on the outside of the meander?
deepest
Fastest
Most eroded
What other life on earth was present other than humans during the advance and retreat of the last continental ice sheet
Mastadonts and Mammoths
What city in New York have the youngest and oldest rocks?
Youngest- Riverhead
Oldest- Mt Marcy