1. किसी बन्द नाली मेः जलीय प्रवणता रेखा की ढाल, 2. खुली वाहिका मेः जल सतह की ढ़ाल, 3. रन्ध्रयुक्त माध्यम मेः प्रवाह की दिशा में, प्रति इकाई दूरी पर जलदाब में ह्रास का माप।
1. In a closed conduit: the slope of the hydraulic gradeline, 2. In open channels: the slope of the water surface, 3. In porous media measure of the decrease in head per unit distance in the direction of flow.
1. In a closed conduit: the slope of the hydraulic gradeline, 2. In open channels: the slope of the water surface, 3. In porous media measure of the decrease in head per unit distance in the direction of flow.
