The base of a stormwater reservoir measures 40 m × 8 m. The banks of the...
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The base of a stormwater reservoir measures 40 m × 8 m. The banks of the reservoir rise from this base with a slope of 15°. The water level in the reservoir before the February heat wave (snowmelt) was 1 m. Inflow during the 2-week heat wave averaged 0.010 m3/s. Outflow was 0.009 m3/s. Precipitation during the heat wave totaled 0.25 cm and evaporation was 0.02 cm. Seepage of groundwater into the stormwater reservoir was negligible. What was the water level in the reservoir after the 2-week heat wave?
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The base of a stormwater reservoir measures 40 m × 8 m. The
banks of the...
3. Compute a weekly evaporation rate (in mm/week) from the surface water reservoir applying the following...
3. Compute a weekly evaporation rate (in mm/week) from the surface water reservoir applying the following recorded data: average inflow into water reservoir = 32.5 m3/s, average outflow from reservoir = 40.2 m3/s, average rainfall during the week = 73.6 mm, surface water reservoir area = 15.8 km², estimated total water infiltration or seepage out during the week from this reservoir = 0.25 million m”, reservoir storage at the beginning of week = 9180 ha-m (hectare-meter), reservoir storage at the...
Subject: Water Resource Engineering 9. A lake has a surface area of 850,000 m 2. For...
Subject: Water Resource Engineering
9. A lake has a surface area of 850,000 m 2. For a given month (30 days), the lake has an inflow of 1.7 m23/s and an outflow of 1.3mA3/s. The water level in the lake was raised by 1.0 m. The total precipitation for the month is 23 cm. Assume that seepage loss is negligible. Determine the evaporation loss (in cm) for the lake
Q2) (8 Marks) A) Estimate the constant rate of withdrawal (in m's) from a 13.75 km...
Q2) (8 Marks) A) Estimate the constant rate of withdrawal (in m's) from a 13.75 km reservoir in a month of 30 days during which the reservoir level dropped by 0.75 m in spite of an average inflow into the reservoir of 0.5 Mm /day. During the month the average seepage loss from the reservoir was 2.5 cm, total precipitation on the reservoir was 18.5 cm and the total evaporation was 9.5 cm B) If the surface area of a...
19. During a 30-day period, the streamflow flowing into a reservoir averaged 5.0 m/s. Water supply...
19. During a 30-day period, the streamflow flowing into a reservoir averaged 5.0 m/s. Water supply withdraws from the reservoir averages 136 MGD. The only other outflow from the reservoir was 9.4 cm of evaporation from the reservoir water surface. The average water surface area of the reservoir during the 30 days was 3.75 km2. The reservoir has 12,560 acre-ft of water in storage at the beginning of the 30-day period. Determine the storage of the reservoir at the end...
Lake Kickapoo, TX, is approximately 12 km in length by 2.5 km in width. The inflow...
Lake Kickapoo, TX, is approximately 12 km in length by 2.5 km in width. The inflow for the month of March is 3.26 m'/s and the outflow is 2.93 m*/s. The total monthly precipitation is 15.2 cm and the evaporation is 10.2 cm. The seepage is estimated to be 2.5 cm. Estimate the change in storage (in m3) during the month of March. 3
1. A water supply reservoir has been lined with clay to limit leakage (infiltration through the...
1. A water supply reservoir has been lined with clay to limit leakage (infiltration through the bottom An assessment of the effectiveness of the liner is required to fulfill the terms of the construction contract. The following data have been collected for a test week: Day Parameter Stream inflow (m/sec ) Stream outflow (m/sec) City use (m/sec) Precipitation (cm) 1 0.0 0.0 0.3 0.0 2 0.2 0.1 0.2 1.5 3 0.4 0.3 0.3 2.0 4 0.5 0.2 0.2 2.5 5...
During the month of March, the average river inflow to a reservoir is 3 m’/s while...
During the month of March, the average river inflow to a reservoir is 3 m’/s while the dam bottom outlet releases 10 m²/s. Total rainfall for the month is measured as 20 mm uniformly distributed. The average seepage from the reservoir is estimated 0.5 m3/s. The surface areas of the lake are measured from aerial photos as 11.7 and 10.3 km2 and also the staff gauge readings of water surface are recorded as 107.2 m and 105.2 m in the...
2. Hydrologic mass balance (20 points): Use a hydrologic mass balance to solve the following: a....
2. Hydrologic mass balance (20 points): Use a hydrologic mass balance to solve the following: a. (10) A lake is approximately 15 km in length by 5 km in width. The inflow for the month of August is 3.5 m/s and the outflow is 2.15 m®/s. The total monthly precipitation is 20.5 cm and the evaporation is 8.2 cm. The seepage (infiltration) is estimated to be 1.35 cm. Estimate the change in storage (in mº) during the month of August....
You are performing a study of evaporation from Lake Patagonia in southern Arizona. The inflow of...
You are performing a study of evaporation from Lake Patagonia in southern Arizona. The inflow of water is measured at a nearby USGS gauging station immediately upgrading of the lake and averages about 15.8 cubic feet per second (cfs) for a 30-day period. precipitation in the area totaled 4.5 inches during the same period. The lake has a surface area of 265 acres and you can assume the sides of the lake are vertical. At the beginning of the study...
ENGINEERING HYDROLOGY CIVL431 Assignment1 Problem 11 The following data were observed at Demirkopru Dam site on...
ENGINEERING HYDROLOGY CIVL431 Assignment1 Problem 11 The following data were observed at Demirkopru Dam site on Gedir River in June 1971. Find the monthly evaporation in mm from the reservoir surface of this dam. If there were a Class A pan installed nearby the reservoir, what would be the monthly evaporation observed from this pan? Storage at the beginning of the month 4XY.X-10 m Storage at the end of the month 47XY -10 m Average surface area of reservoir in...
3. Compute a weekly evaporation rate (in mm/week) from the surface water reservoir applying the following recorded data: average inflow into water reservoir = 32.5 m3/s, average outflow from reservoir = 40.2 m3/s, average rainfall during the week = 73.6 mm, surface water reservoir area = 15.8 km², estimated total water infiltration or seepage out during the week from this reservoir = 0.25 million m”, reservoir storage at the beginning of week = 9180 ha-m (hectare-meter), reservoir storage at the...
Subject: Water Resource Engineering
9. A lake has a surface area of 850,000 m 2. For a given month (30 days), the lake has an inflow of 1.7 m23/s and an outflow of 1.3mA3/s. The water level in the lake was raised by 1.0 m. The total precipitation for the month is 23 cm. Assume that seepage loss is negligible. Determine the evaporation loss (in cm) for the lake
Q2) (8 Marks) A) Estimate the constant rate of withdrawal (in m's) from a 13.75 km reservoir in a month of 30 days during which the reservoir level dropped by 0.75 m in spite of an average inflow into the reservoir of 0.5 Mm /day. During the month the average seepage loss from the reservoir was 2.5 cm, total precipitation on the reservoir was 18.5 cm and the total evaporation was 9.5 cm B) If the surface area of a...
19. During a 30-day period, the streamflow flowing into a reservoir averaged 5.0 m/s. Water supply withdraws from the reservoir averages 136 MGD. The only other outflow from the reservoir was 9.4 cm of evaporation from the reservoir water surface. The average water surface area of the reservoir during the 30 days was 3.75 km2. The reservoir has 12,560 acre-ft of water in storage at the beginning of the 30-day period. Determine the storage of the reservoir at the end...
Lake Kickapoo, TX, is approximately 12 km in length by 2.5 km in width. The inflow for the month of March is 3.26 m'/s and the outflow is 2.93 m*/s. The total monthly precipitation is 15.2 cm and the evaporation is 10.2 cm. The seepage is estimated to be 2.5 cm. Estimate the change in storage (in m3) during the month of March. 3
1. A water supply reservoir has been lined with clay to limit leakage (infiltration through the bottom An assessment of the effectiveness of the liner is required to fulfill the terms of the construction contract. The following data have been collected for a test week: Day Parameter Stream inflow (m/sec ) Stream outflow (m/sec) City use (m/sec) Precipitation (cm) 1 0.0 0.0 0.3 0.0 2 0.2 0.1 0.2 1.5 3 0.4 0.3 0.3 2.0 4 0.5 0.2 0.2 2.5 5...
During the month of March, the average river inflow to a reservoir is 3 m’/s while the dam bottom outlet releases 10 m²/s. Total rainfall for the month is measured as 20 mm uniformly distributed. The average seepage from the reservoir is estimated 0.5 m3/s. The surface areas of the lake are measured from aerial photos as 11.7 and 10.3 km2 and also the staff gauge readings of water surface are recorded as 107.2 m and 105.2 m in the...
2. Hydrologic mass balance (20 points): Use a hydrologic mass balance to solve the following: a. (10) A lake is approximately 15 km in length by 5 km in width. The inflow for the month of August is 3.5 m/s and the outflow is 2.15 m®/s. The total monthly precipitation is 20.5 cm and the evaporation is 8.2 cm. The seepage (infiltration) is estimated to be 1.35 cm. Estimate the change in storage (in mº) during the month of August....
ENGINEERING HYDROLOGY CIVL431 Assignment1 Problem 11 The following data were observed at Demirkopru Dam site on Gedir River in June 1971. Find the monthly evaporation in mm from the reservoir surface of this dam. If there were a Class A pan installed nearby the reservoir, what would be the monthly evaporation observed from this pan? Storage at the beginning of the month 4XY.X-10 m Storage at the end of the month 47XY -10 m Average surface area of reservoir in...
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