ONR 002 : Basics of Hydrology in English Solved Assignment 2025-26
Assignment Title : ONR 002 Solved Assignment in English
Course Code : ONR 002
Course Title : Basics of Hydrology
Assignment Code : ONR 002/TMA/2025-26
Maximum Marks : 100
Title : ONR 002 : Basics of Hydrology Solved Assignment in English 2025-26
Course : BAG/CBCs
University Name : IGNOU
Service Type : Solved Assignment (Soft Copy)
Language : English Medium
Session : Valid for Admission July 2025 and January 2026
Short Name : Basics of Hydrology
Assignment Code : ONR 002/TMA/2025-26
Product : Assignment of ONR 002 (IGNOU)
1. Define hydrology? Explain hydrologic cycle and its various components with the help of a neat diagram.
2. A rainfall of 80 mm falls in 4 hours over a catchment of 100 ha. There was no discharge before the storm. The outlet discharge of 1.5 m³/s continued for 8 hours. Calculate the following (i) amount of runoff (ii) amount of water not contributing to runoff and (iii) and runoff coefficient.
3. What is water balancing? Explain water budget with neat schematic diagram and describe its different components.
4. Explain normal ratio method for estimation of missing rainfall data.
5. What is groundwater pollution? Describe the impact of groundwater pollution. Write main physical and chemical characteristics of water.
