Nivaar worked solution (AI-drafted; not reviewed by a licensed engineer)
National Exams — December 2019 — 04-Agric-B7, Principles of Hydrology. Three-hour, open-book exam; any non-communicating calculator is permitted. Format: any THREE (3) questions constitute a complete exam paper (the first three as they appear in the answer book are marked), each of equal value; three questions require calculations. All four questions are solved here as a complete study resource.
Reference texts: Chow, Maidment & Mays, Applied Hydrology — hydrologic-abstraction terminology, water-budget analysis, Penman combination evaporation, storm-hyetograph/hydrograph analysis, unit-hydrograph theory, log-Pearson Type III and 2-parameter gamma flood-frequency analysis; Viessman & Lewis, Introduction to Hydrology — hydrologic-cycle terminology, interception and streamflow components, storage-indication vs. Muskingum routing.
