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Stream Power

 
NetMap's Watershed Assessment
 
Watershed Attribute: Stream power is a measure of the energy of a stream channel including that which is related to the ability to transport sediment, including bedload and suspended load.
 
Data Types: Line (stream layer)
 
Field Name: STRMPOW
 
Units: watts/m
 
NetMap Level 1 Module/Tool:Fluvial Processes/Network Variables
 
Model Description: Stream power is calculated as: ρgQs where ρ is density of water (1000 kg/m3), g is acceleration due to gravity (9.8 m/s2), Q is discharge (m3/s) and S is channel slope. Q is calculated as WdV where W is bankfull channel width (m), d is bankfull channel depth, and v is velocity (m/s).  See also this.
Compiled with help of Dr.Explain