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. 4. Downstream hydraulic geometry of a supraglacial stream channel, Ragnarbreen, Spitsbergen

a


Q - discharge [m3 s-1]; V - velocity [m s-1], W - width [m], D - depth [m];

b


Q - discharge [m3 s-1]; F - width/depth ratio [-], P - wetted perimeter [m];

c


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

d


Q - discharge [m3 s-1]; Re - Reynolds number [-], Fr - Froude number [-];

e


Q - discharge [m3 s-1]; τ - shear stress [N m2], V* - shear velocity [m s-1], R - hydraulic radius [m];

f


Q - discharge [m3 s-1]; ff - Darcy-Weisbach friction factor [-], n - Manning resistance coefficient [-].