List of Articles Relative roughness Open Access Article Abstract Page Full-Text 1 - Analytical Study of the Bed Roughness and Entrainment Ratio of Saline Density Currents on Hydraulic Jump Nader Barahmand Open Access Article Abstract Page Full-Text 2 - Using the Incomplete Self-Similarity Method for Estimation of the Conjugate Depth Ratio of Density Jumps on Smooth and Rough Beds N. Barahmand