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24 lines
1.2 KiB
HTML
24 lines
1.2 KiB
HTML
<html>
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<head><link rel="stylesheet" type="text/css" href="help.css" /></head>
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<body>
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<h1 class='module'>Stream Power Index</h1>
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<div class='author'>O.Conrad (c) 2003</div>
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<div class='description'>Calculation of stream power index based on slope and specific catchment area (SCA).<br/>
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SPI = SCA * tan(Slope)<br/>
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<br/>
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References:<br/>
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<br/>
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Moore, I.D., Grayson, R.B., Ladson, A.R. (1991):<br/>
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'Digital terrain modelling: a review of hydrogical, geomorphological, and biological applications'<br/>
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Hydrological Processes, Vol.5, No.1<br/>
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</div>
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<h2>Parameters</h2>
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<dl class='parameters'>
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<dt>Grid system <div class='type'>Grid system</div></dt><dd>Grid system <div class='constraints'></div></dd>
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<dt>Slope <div class='type'>Input Grid</div></dt><dd> <div class='constraints'></div></dd>
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<dt>Catchment Area <div class='type'>Input Grid</div></dt><dd> <div class='constraints'></div></dd>
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<dt>Stream Power Index <div class='type'>Output Grid</div></dt><dd> <div class='constraints'></div></dd>
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<dt>Area Conversion <div class='type'>Choice</div></dt><dd> <div class='constraints'>Available choices: no conversion (areas already given as specific catchment area), 1 / cell size (pseudo specific catchment area)</div></dd>
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</dl>
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</body></html>
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