A meteorologist placed three NWS Class A evaporation pans around the Big City Lake to studythe evaporation. What is the average evaporation based on the table below? Make sure to defineany assumptions.Δ PanDepths(in)МаxRelative PrecipDatePanLocationDawnDuskTemp (F)Humidity(in)Antelope358893.421%6:1221:27IslandState15-Jun-09359922.825%6:1321:26Marina360Rozel Bay872.478%0.46:1421:25

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Answered: A meteorologist placed three NWS Class…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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A catchment area near Kirkuk has the following mean monthly temperatures are given in the table Month Jan Feb Mar Nov May 30 Jun Jul Aug Sep 24 Oct Dec Apr 28 Mean 10.5 14.3 27 35 48 41 24.5 23 12.5 Monthly temp. © Calculate the potential evaporation for months July and December using the thornthwaite formula.
A class A pan was set up adjacent to a lake. The depth of water in the pan at the beginning of a certain week was 200 ??. In that week there was a rainfall of 50 ?? and 10 ?? of water was removed from the pan to keep the water level within the specified depth range. If the depth of the water in the pan at the end of the week was 190 ?? calculate the pan evaporation using the suitable pan coefficient estimates the lake evaporation in that week. From problem, determine the mean barometric reading in mmHg. Subject: Hydrology
High-drainage density indicates poor * drainage conditions true O False O Calculate the evapotranspiration losses by using Blaney-Criddle method, the ‘consumptive use coefTicient for the wheat crop is 0.75 Nionihs Temperature | Monihly per cent daylight| Nov. 166 76 Dec 1295 73 Jan. 1095 74 Feb. 146 12 32.01cm 320.1 mm/ month 32 cm/ month 0000 33.2 cm/year
Estimate monthly evaporation for a large lake for the month of July using the Meyer Equation for the folowing data: - Mean montly air temperature: 70F - Mean montly relative humidity: 60% - Mean monthly wind speed at 25 ft height: 30 mile/hr Also compute for the amount of evaporation expected from a lake per week for the data as: -Lake water temperature: 78F - Air temperature: 90F - Wind mileage - 1680 miles/week at 25 ft
2. The following data are the daily amounts of rainfall and water added to a pan (both in inches). Compute the daily evaporation rates. Day P (in.) Water Added (in.) 1 2 3 4 5 7 0.13 0.04 0.21 0.06 0.22 0.25 0.02 0.09 0.19 0.11
A raw sewage sample was brought in for total suspended solids and volatile solids analysis. A portion of the sample was poured into a tared evaporating dish and weighed. The sample was then heated at 105°C for 4 hours, weighed, heated at 550°C overnight, and weighed again. The data are as follows: • Tare wt. 42.9073g• Wt of sample 104.4680g• 105 °C wt. 45.4140g• 550 °C wt. 43.3236g What is the TSS in g/L? What percent of the solids are volatile?
1. WATER BUDGET PROBLEM GIVEN : A-120 00 ha La ke 30 DAYS PERIOD Inflow = 0 42m% Oute low = 0-37 m 4Storage = 19,560m³ Precipitation = 3. 30 cn Assume Iopiltration and Groudwater are not Signipicant Find Evaporation loss over I month - KEY; Convert oll units to depth -
Q #2 Design A rapid sand filter to serve a little city with an annual water consumption rate of 5.475x10' L, considering 5% of the filtered water is used for backwashing. The filtration rate is 4 m³/hr/m² the Backwashing time is 30 minutes. Assume L=2B a) Find the L and B for the filter b) Backwashing rate (m³/hr/m²) The following data was obtained from a lab-scale experiment testing the disinfection
Hydrology On 24 January 2020, the observed climate data in NAIA data are: temperature 17°C, relative humidity 83%, and wind speed 0.9 m/s. Determine the potential evaporation by the combination method. Use psychometric constant=66.5 Pa/º C Wind speed 0.9m/s corresponds to 24 hrs wind run A. 1.58 mm/day B. 1.73 mm /day C. 1.45 mm/day D. 1.65 mm /day
I || Weight of Saturated 2809 2490 Surface Dried Sample (in g) Weight of Original 2550 2550 Sample (in g) Weight of Even - Dried 2403 2384 Sample (in g) From the table, compute the surface moisture (%) of sample I. ||| 2480 2500 2276
5. Sunshine falls onto a large lake with a surface area of 300 km?. If the water has an albedo of 0.2 and the sun's average intensity is 800 Wm?, calculate the depth of water evaporated over 10 hours. (а) 2 mm (b) 10 mm (c) 0.0025 mm (d) 9 mm ANS D
Contaminant X is detected in a drink- ing water supply (4000 m³/day), and 94.99 percent of contaminant X must be re- moved to comply with federal water quality standards. If contaminant X has a "dimen- sionless" Henry's law constant, H, value of 0.25, then what is the design air-to-water flow ratio for an air stripping packed tower, assum- ing 3.5 times the minimum?

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