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Review for first test
Terms in this set (33)
streamflow is one of the ( ) and ( ) measurements we make in hydrology
easiest, most certain
most the worlds freshwater is in
glaciers and permanent snow cover
the ( ) distribution requires an estimate of the skewness
pearson type III
which of the following is not one of the 7 steps for processing a digital elevation
( ) provide a means to estimate the uncertainty in the mean and standard deviation used in frequency analysis and is based on ( )
confidence limits, the sample size
a ( ) is defined as the area that uniquely drains into the stream segment
( ) provide a graphical summary of the frequency analysis
What method estimates precipitation at a point under the assumption that precipitation at an ungauged point is more influenced by nearby measurements?
inverse distance weighting
The rate of energy emission per unit surface area is given by the _________.
stefan boltzmann law
what method for estimating precipitation over an area assumes continuous contours of precipitation across the area?
to estimate precipitation over a watershed, the ____ method equally weights all precipitation across the area
Events A and B are said to be ______________ if the occurrence of one event does not affect the probability that the other occurs.
_____ is the fraction of precipitation that exists a watershed as streamflow
increasing the elevation to the pour point for grid cells completely surrounded by higher terrain is called ______
if the volume of a reservoir increases by a factor of 2 and the outflow increases by a factor of 4 the residence time ______
decreases by half
_____ is used to measure precipitation over an area
satellite remote sensing
what method for estimating precipitation over an area assumes that any point in the watershed receives the same amount of rainfall as the nearest gauge?
a ______ defines a relationship between stage and discharge
______ are formulas to estimate the probability of an event from data empirically
instantaneous streamflow measurements use _____ ____ to calculate streamflow
______ are a graphical tool for assessing whether or not the data fits particular distribution
continuous streamflow measurements are made by directly measuring the ______
_____ is a deductive discipline relying on preexisting information
______ is used to measure evaportation
If the storage decreases and the flow rate increases, how does the residence time change?
a stream network is defined by using a _____ based on flow accumulation or grid order
what is the main water input for most watersheds?
when processing a DEM the flow direction is determined by the _____
the global precipitation measurement project aims to provide observations of rain and snow worldwide using _____
The probability of a number of independent and mutually exclusive events is the ____________ of the probabilities.
______ are a function of return period and when used wit the mean and standard deviation provide a means of utilizing any distribution
The runoff ratio changes based on _____________.
which of the following is not a limitation to the classic defintion of probability based on frequency given by p(a) = k/n?
n must equal one
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