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9 Cards in this Set

  • Front
  • Back
flood frequency curve
graph of stream stage or discharge as a function of recurrence interval
nitrogen fixation
the process by which nitrogen is taken from its relatively inert molecular N2 to nitrogen compound. occurs in nitrogen cycle
biocarbonate
is HCO3. It is product of chemical weathering.
base cation
an ion with a net positive charge
hydrolic gradient
is the difference in hydrolic head between two points divided by the distance between them
melt water stream
is constructed form glacial ice.
Darcy's Law
V=k/n (change in h)/change in l
hydrolic productivity
is the permeability of the material
till
is sediment deposited from melting of ice. Till is characteristically angular and poorly sorted