E l e c t r o n i c   r e p r i n t


HYDRAULIC GEOMETRY
OF A SUPRAGLACIAL STREAM,

RAGNARBREEN, SPITSBERGEN

Andrzej Kostrzewski and Zbigniew Zwolinski

Fig. 3. Patterns of selected parameters in the long profile of a supraglacial channel, Ragnarbreen, Spitsbergen

a


W - width [m], P - wetted perimeter [m], F - width/depth ratio [-],

b


A - cross-section area [m2], Q - discharge [m3 s-1], Ω - stream power [N s-1],

c


V - velocity [m s-1], Fr - Froude number [-], Re - Reynolds number [-], n - Manning resistance coefficient [-], ff - Darcy-Weisbach friction factor [-],

d


D - depth [m], R - hydraulic radius [m], V* - shear velocity [m s-1], τ - shear stress [N m2].