The recurrence interval of a flood is the:
a. statistical average amount of time between floods of a given magnitude
b. the time between two floods of a particular magnitude
c. the probability that a flood of a certain magnitude will occur in a particular year
d. the number of years of record that are necessary to calculate the 100-year flood for a stream
a
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A) thorium B) uranium C) potassium D) curium
Sediment yield to streams is greatest during which type of land use in a drainage basin?
a. construction b. post-construction c. forest d. crop production
Dendrochronology involves the examination of annual _______________. (two words)
Fill in the blank(s) with correct word
Salt wedging is of slight consequence in _______.
a - arid regions b - regions above the treeline c - humid regions d - marshes e - volcanic regions