PPT-Rainfall-Runoff Modelling Using Artificial Neural Network-a Case Study of Purna Sub-catchment

Usman Mohseni1 Sai Bargav Muskula2 12Research Scholar Department of Civil Engineering IIT Roorkee Roorkee INDIA INTRODUCTION Rainfallrunoff modelling is one of the most prominent hydrological models used to examine the relation between rainfall and runoff . Roads for Water and Resilience. . . . Estimating drainage flows. Estimating drainage flows. Information taken from ERA Road Manuals (Vol 2). Further information and explanation is provided in these manuals. Reading: . Haested. Section 2.4 Computing Hydrographs. Excess . Rainfall and Direct Runoff . Rainfall that is neither retained on the land surface nor infiltrated into the soil. Graph of excess rainfall versus time is called excess rainfall hyetograph. What are Artificial Neural Networks (ANN)?. ". Colored. neural network" by Glosser.ca - Own work, Derivative of File:Artificial neural . network.svg. . Licensed under CC BY-SA 3.0 via Commons - https://commons.wikimedia.org/wiki/File:Colored_neural_network.svg#/media/File:Colored_neural_network.svg. Reading: Applied Hydrology Sections 5.6 to 5.8 and Chapter 6 for Tuesday of next week. Runoff. Streamflow. Generation. Excess Rainfall and Direct Runoff. SCS Method for runoff amount. Examples from Brushy Creek. Learning objectives. Be able to define and compute the topographic wetness index and describe its role and use in TOPMODEL runoff calculations. Be able to use TOPMODEL principles to calculate the spatial distribution of soil moisture deficit and use this information in the calculation of runoff using appropriate GIS tools. Dave Morgan, Paul Johnston and Laurence Gill. Trinity College Dublin. Phil Collins. HRD Technologies Ltd. Kwabena Osei . Hydro International. morgandt@tcd.ie. Department of Civil, Structural & Environmental Engineering. Professor Ke-Sheng Cheng. Dept. of Bioenvironmental Systems Engineering. National Taiwan University. Runoff generating process. Rainfall losses during a storm event. Interception. Depression storage. قال الله تعالى:. “الله الذي خلق السموات والارض وأنزل من السمآء ماء فأخرج به من الثمرات رزقا لكم وسخر لكم الفلك لتجرى في البحر بأمره وسخر لكم الأنهار”. - using water mass balance Water sensitive infill development Xuli Meng and A/Professor Steven Kenway University of Queensland The real world: Opportunities and constraints of sustainable infrastructu Using high resolution rainfall-radar to model fluvial erosion. Declan Valters, . David Schultz, Simon Brocklehurst. University of Manchester, United Kingdom. Image: Environment Agency (England). Overview. Runoff. Streamflow. Generation. Excess Rainfall and Direct Runoff. SCS Method for runoff amount. Examples from Brushy Creek. Reading for today: Applied Hydrology sections 5.1 to 5.6. Reading for Tuesday Feb 19: Applied Hydrology Sections 5.7 and 5.8, Chapter 6. Learning objectives. Be able to define and compute the topographic wetness index and describe its role and use in TOPMODEL runoff calculations. Be able to use TOPMODEL principles to calculate the spatial distribution of soil moisture deficit and use this information in the calculation of runoff using appropriate GIS tools. From Mays, 2011, Ground and Surface Water Hydrology. A D hour unit hydrograph is the characteristic response of a given watershed to a unit volume (e.g. 1 in or cm) of effective water input (usually rain) applied at a constant rate for D hours. Hydrology and Water Resources, RG744. Institute of Space Technology. November 02-06, 2015. Runoff models. Peak runoff models. Provide only the estimates of peak discharge from the watershed. Continuous runoff models.