How to Calculate Rainfall Excess Using ARR Guidelines: A Step-by-Step Tutorial

Are you struggling to calculate rainfall excess for your drainage designs or hydrology assignments? This tutorial is for you. Learn the exact process to calculate rainfall excess in Excel, following the latest Australian Rainfall and Runoff (ARR) guidelines. We'll use real data, including rainfall depth, initial and continuing losses, and rainfall temporal patterns from the ARR Data Hub, to show you how to correctly estimate rainfall excess (runoff). Timestamps for Easy Navigation: 00:00 The Importance of Rainfall Excess Calculation 00:28 Introduction to the channel 00:50 Rainfall Excess Definition 01:50 Understanding the Physical Process of Loss 08:06 Loss Models 14:36 Step-by-step Excel Calculation 27:01 Concluding Notes What you will learn in this video: The water budget concept in the rainfall-runoff context The physical processes that lead to rainfall losses. Different types of rainfall loss models. The difference between initial and continuing losses. A practical, step-by-step method to calculate rainfall excess. #RainfallExcess #rainfall-runoff #runoff #EffectiveRain #ARR #Hydrology #Civil Engineering #StormwaterDrainage #ExcelTutorial #RainfallLosses #InitialLoss #ContinuingLoss #TemporalPatterns #ARRDataHub #EngineeringTutorial #ARR2019