Using a rainfall of 386 mm for rain gauge Station D, determine the average depth of rainfall that fell for the watershed using the arithmetic average, and Thiessen polygon method. The areas for the Thiessen polygon method are given in the table above for each station. Determine the average depth of rainfall for a watershed using the isohyetal method given the data below. Isohyet (mm) Area Associated (km²) 30 - 40 20 20 - 30 45 10 - 20 35 under 10

Q: Determine the average precipitation depth using isohvetal method within the basin for a certain…

A: Solution:- Mean or average precipitation P=P1+P22×A1+P2+P32×A2+………………+Pn-1+Pn2×AnA1+A2+…………+An…

Q: Draw Thiessen polygons on the catchment shown below. If the rainfall depths recorded by Gauge A, B,…

A: Since you have posted multiple questions, we will provide the  solution   only to the first question…

Q: Determine the magnitude of force F that must be exerted on the handle at C to hold the 75-kg crate…

A: The magnitude of the force is the sum of all the forces acting on an object. The magnitude of a…

Q: 4. Rainfall values observed at different points on a watershed (12.5 km?) are shown in Figure 4.14.…

A:

Q: Return Period 1. Maximum depth of precipitation of certain area is presented below. Based on the…

A: Depth of precipitation of certain area from year 1995 to 2015

Q: Table provides the incremental rainfall depth every 10 minutes from a rainfall station during a…

A: Duration of storm = 2hours Maximum depth for storm duration of different time period has been found…

Q: The long-term average annual rainfall (in.) and storm-event totals (in.) for five gauges are given…

A:

Q: The 1-hr unit hydrograph of a catchment is given in Table 4.1. Meteorological observations from a…

A: a) Calculation of catchment area: Using the following relation catchment area can be calculated:

Q: There are five (5) rain gauges dispersed throughout a watershed. During a storm event, four (4) of…

A:

Q: A watershed has five rain gauge stations. In a year, the annual rainfall recorded by rain gauges are…

A: 1. Annual rainfall recorded by the five rain gauge stations (in cm): 115.5, 106.8, 125.4, 95.6, and…

Probability, risk and uncertainty analysis for hydrological design

It gives a framework that is financially critical for finding the exceptional designs of hydrological systems with a reduced cost in total inclusive of the project cost and the disaster mitigation cost. But there would be hardly any assessment of a decent quality damage function. Hence, errors in demonstrating the hydrologic events, incorrect model parameters, and so on may occur. Here, we will discuss a specific hydrological design that of a detention basin for studying and understanding the risk-based procedure, uncertainties, and probability analysis by following a systematic framework.