PPT-Rainfall – Runoff Analysis

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 eg 1 in or cm of effective water input usually rain applied at a constant rate for D hours. Science questions raised in the development of a science . assessment. Effect . of Conservation Tillage Systems on Dissolved . Phosphorus . Gregory McIsaac. University of Illinois. &. Agricultural Watershed Institute. National Weather Service . Implementation of . the Community. Hydrologic Prediction System. . David Vallee. Hydrologist-in-Charge. Northeast RFC. NROW. November 4-5, 2009. First – a bit about NERFC. EROSION. Detachment – particle/aggregate loosened from surface. Entrainment – initiation of motion by flow. TRANSPORT. Rill – concentrated overland flow. Inter-rill (. sheetwash. ) – diffuse overland flow. 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. Reading for today’s material: Sections 5.3-5.8. Excess rainfall . 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. Learning objective. Be able to calculate infiltration, infiltration capacity and runoff rates using the methods described in the Rainfall Runoff workbook chapter 5 and . Dingman. . chapter 6.. Problem 1 as an example. Professor Ke-Sheng Cheng. Dept. of Bioenvironmental Systems Engineering. National Taiwan University. Runoff generating process. Rainfall losses during a storm event. Interception. Depression storage. Flavio Lehner. , Andrew W. Wood, Julie A. . Vano. , David M. Lawrence, . Martyn. P. Clark, Justin S. . Mankin. : . Nature Climate Change, 9, 926–933 (2019) doi:10.1038/s41558-019-0639-x. APPROACH. Quantifies . reductions in . phosphorus (P) and TSS runoff for . a given BMP or group of . BMPs. Can be used to determine best BMP(s) for a particular situation. Why do we need to know these?. Meet regulatory requirements. Fly ash, a by product resulting from the combustion of pulverized coal.. 70% of thermal power stations wastes end up in landfills (Hasset et al., 200). Potential toxic effects of heavy metals released to the environment as:. Usman Mohseni1, Sai Bargav Muskula2. 1,2Research Scholar, Department of Civil Engineering, IIT Roorkee, Roorkee, INDIA. INTRODUCTION. Rainfall-runoff modelling is one of the most prominent hydrological models used to examine the relation between rainfall and runoff . 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. Hydroclimatology. (. Multiscale. Hydrology). A science dealing with the properties, distribution and circulation of water.. R. . Balaji. balajir@colorado.edu. CVEN5333 . http://civil.colorado.edu/~balajir/CVEN5333. Karjat. block. Vijay . Honkalaskar. CTARA, . IITBombay. . Introduction. GSDA documentation of observation wells data of . Karjat. block. Analysis of this data against rainfall data. Documentation of present status of Observation Wells.