इकाई हाइड्रोग्राफ सिद्धांत में, मुख्य प्रवाह (base-flow) को अलग करने की प्रक्रिया मुख्य रूप से किस लिए की जाती है?

The ratio of rainfall in a particular year to the Average Annual Rainfall (AAR) is defined as the:

A unit hydrograph represents a direct runoff hydrograph resulting from one unit depth of:

The peak of the outflow hydrograph will occur at the point of intersection of the inflow and outflow curves in which of the following cases?