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<br />Figure lO.--Proposed network of gaging stations for monitoring
<br />long-term trends.
<br />
<br />Environmental Data
<br />
<br />The goals for this type of data cannot be met by existing Information,
<br />because very little attention has been given to collection and compilation
<br />of data on the environment. Environmental data should be included in
<br />future programming to satisfy the needs for such data in research, planning,
<br />design, and operation of water-related facilities.
<br />
<br />A FUTURE STREAMFLOW PROGRAM FOR KANSAS
<br />
<br />This report has concentrated on the methods of obtaining information
<br />for determining the statistical characteristics of unregulated streamflow
<br />and on the accuracy goals for such information. Different methods have
<br />been found applicable to different sizes of drainage area--25 years of
<br />streamflow record are needed on principal streams, the regression method is
<br />satisfactory except for low flows for streams draining areas of 150 to 500
<br />(1,000) sq ml, and records should be obtained, on a sampl ing basis, for
<br />streams draining less than 150 sq mi.
<br />
<br />Viewed solely from the standpoint of Information for defIning the
<br />statistical characteristics of unregulated flow, the stream-gaging program
<br />
<br />35
<br />
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