Daily Surface Outflow from Lake Calculator

✖The Precipitation refers to the primary water input to the hydrologic cycle and is evaluated for all water budget calculations.ⓘ Precipitation [P]			+10% -10%
✖The Daily Surface Inflow refers to the amount of water that flows into a system, such as a reservoir, lake, or river, from surface sources on a daily basis.ⓘ Daily Surface Inflow [V_is]			+10% -10%
✖The Daily Groundwater Inflow refers to the amount of groundwater that enters a specific system, such as a sewer system or a water body, on a daily basis.ⓘ Daily Groundwater Inflow [V_ig]			+10% -10%
✖The Daily Seepage Outflow refers to the amount of water that escapes from a system, such as a dam, canal, or reservoir, through porous materials like soil or rock, on a daily basis.ⓘ Daily Seepage Outflow [V_og]			+10% -10%
✖The Daily Lake Evaporation refers to the amount of water that evaporates from the surface of a lake over the course of a single day.ⓘ Daily Lake Evaporation [E_L]			+10% -10%
✖The Increase in Lake Storage in a Day refers to the net gain in the volume of water stored in a lake over a 24-hour period.ⓘ Increase in Lake Storage in a Day [ΔS_L]			+10% -10%
✖The Daily Transpiration Loss refers to the amount of water that plants lose through the process of transpiration over the course of a single day.ⓘ Daily Transpiration Loss [T_L]			+10% -10%

✖The Daily Surface Outflow refers to the amount of water that exits a system, such as a reservoir, lake, or river, through surface channels on a daily basis.ⓘ Daily Surface Outflow from Lake [V_os]

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Formula

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Daily Surface Outflow from Lake

Formula

V os = P + V is + V ig - V og - E L - ΔS L - T L

Example

2 m³/s = 50 mm + 3 m³/s + 5 m³/s - 4 m³/s - 1958 mm - 70 mm - 22 mm

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Daily Surface Outflow from Lake Solution

STEP 0: Pre-Calculation Summary

Formula Used

Daily Surface Outflow = Precipitation+Daily Surface Inflow+Daily Groundwater Inflow-Daily Seepage Outflow-Daily Lake Evaporation-Increase in Lake Storage in a Day-Daily Transpiration Loss
V_os = P+V_is+V_ig-V_og-E_L-ΔS_L-T_L
This formula uses 8 Variables

Variables Used

Daily Surface Outflow - (Measured in Cubic Meter per Second) - The Daily Surface Outflow refers to the amount of water that exits a system, such as a reservoir, lake, or river, through surface channels on a daily basis.
Precipitation - (Measured in Meter) - The Precipitation refers to the primary water input to the hydrologic cycle and is evaluated for all water budget calculations.
Daily Surface Inflow - (Measured in Cubic Meter per Second) - The Daily Surface Inflow refers to the amount of water that flows into a system, such as a reservoir, lake, or river, from surface sources on a daily basis.
Daily Groundwater Inflow - (Measured in Cubic Meter per Second) - The Daily Groundwater Inflow refers to the amount of groundwater that enters a specific system, such as a sewer system or a water body, on a daily basis.
Daily Seepage Outflow - (Measured in Cubic Meter per Second) - The Daily Seepage Outflow refers to the amount of water that escapes from a system, such as a dam, canal, or reservoir, through porous materials like soil or rock, on a daily basis.
Daily Lake Evaporation - (Measured in Meter) - The Daily Lake Evaporation refers to the amount of water that evaporates from the surface of a lake over the course of a single day.
Increase in Lake Storage in a Day - (Measured in Meter) - The Increase in Lake Storage in a Day refers to the net gain in the volume of water stored in a lake over a 24-hour period.
Daily Transpiration Loss - (Measured in Meter) - The Daily Transpiration Loss refers to the amount of water that plants lose through the process of transpiration over the course of a single day.

STEP 1: Convert Input(s) to Base Unit

Precipitation: 50 Millimeter --> 0.05 Meter (Check conversion here)
Daily Surface Inflow: 3 Cubic Meter per Second --> 3 Cubic Meter per Second No Conversion Required
Daily Groundwater Inflow: 5 Cubic Meter per Second --> 5 Cubic Meter per Second No Conversion Required
Daily Seepage Outflow: 4 Cubic Meter per Second --> 4 Cubic Meter per Second No Conversion Required
Daily Lake Evaporation: 1958 Millimeter --> 1.958 Meter (Check conversion here)
Increase in Lake Storage in a Day: 70 Millimeter --> 0.07 Meter (Check conversion here)
Daily Transpiration Loss: 22 Millimeter --> 0.022 Meter (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

V_os = P+V_is+V_ig-V_og-E_L-ΔS_L-T_L --> 0.05+3+5-4-1.958-0.07-0.022

Evaluating ... ...

V_os = 2

STEP 3: Convert Result to Output's Unit

2 Cubic Meter per Second --> No Conversion Required

FINAL ANSWER

2 Cubic Meter per Second <-- Daily Surface Outflow

(Calculation completed in 00.004 seconds)

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Home » Engineering » Civil » Engineering Hydrology » Water Budget Equation for a Catchment » Hydrological Continuity Equation » Daily Surface Outflow from Lake

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Coorg Institute of Technology (CIT), Coorg

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< Hydrological Continuity Equation Calculators

Daily Surface Outflow from Lake

Go Daily Surface Outflow = Precipitation+Daily Surface Inflow+Daily Groundwater Inflow-Daily Seepage Outflow-Daily Lake Evaporation-Increase in Lake Storage in a Day-Daily Transpiration Loss

Daily Surface Inflow into Lake

Go Daily Surface Inflow = Daily Seepage Outflow+Daily Surface Outflow+Daily Lake Evaporation+Increase in Lake Storage in a Day+Daily Transpiration Loss-Precipitation-Daily Groundwater Inflow

Daily Groundwater Inflow

Go Daily Groundwater Inflow = Daily Surface Outflow+Daily Seepage Outflow+Daily Lake Evaporation+Increase in Lake Storage in a Day+Daily Transpiration Loss-Precipitation-Daily Surface Inflow

Daily Seepage Outflow

Go Daily Seepage Outflow = Precipitation+Daily Groundwater Inflow+Daily Surface Inflow-Daily Surface Outflow-Daily Lake Evaporation-Increase in Lake Storage in a Day-Daily Transpiration Loss

Daily Surface Outflow from Lake Formula

What is Water Budget?

A Water Budget is an accounting of all the water that flows into and out of a project area. This area can be a wetland, a lake, or any other point of interest. Development can alter the natural supply of water and severely impact an area, especially if there are nearby ponds or wetlands

How to Calculate Daily Surface Outflow from Lake?

Daily Surface Outflow from Lake calculator uses Daily Surface Outflow = Precipitation+Daily Surface Inflow+Daily Groundwater Inflow-Daily Seepage Outflow-Daily Lake Evaporation-Increase in Lake Storage in a Day-Daily Transpiration Loss to calculate the Daily Surface Outflow, The Daily Surface Outflow from Lake formula is defined as representing either non-point runoff into the river, or the confluence of streams or rivers not otherwise modeled. Daily Surface Outflow is denoted by V_os symbol.

How to calculate Daily Surface Outflow from Lake using this online calculator? To use this online calculator for Daily Surface Outflow from Lake, enter Precipitation (P), Daily Surface Inflow (V_is), Daily Groundwater Inflow (V_ig), Daily Seepage Outflow (V_og), Daily Lake Evaporation (E_L), Increase in Lake Storage in a Day (ΔS_L) & Daily Transpiration Loss (T_L) and hit the calculate button. Here is how the Daily Surface Outflow from Lake calculation can be explained with given input values -> -4.93 = 0.05+3+5-4-1.958-increase_in_lake_storage-0.022.

FAQ

What is Daily Surface Outflow from Lake?

The Daily Surface Outflow from Lake formula is defined as representing either non-point runoff into the river, or the confluence of streams or rivers not otherwise modeled and is represented as V_os = P+V_is+V_ig-V_og-E_L-ΔS_L-T_L or Daily Surface Outflow = Precipitation+Daily Surface Inflow+Daily Groundwater Inflow-Daily Seepage Outflow-Daily Lake Evaporation-Increase in Lake Storage in a Day-Daily Transpiration Loss. The Precipitation refers to the primary water input to the hydrologic cycle and is evaluated for all water budget calculations, The Daily Surface Inflow refers to the amount of water that flows into a system, such as a reservoir, lake, or river, from surface sources on a daily basis, The Daily Groundwater Inflow refers to the amount of groundwater that enters a specific system, such as a sewer system or a water body, on a daily basis, The Daily Seepage Outflow refers to the amount of water that escapes from a system, such as a dam, canal, or reservoir, through porous materials like soil or rock, on a daily basis, The Daily Lake Evaporation refers to the amount of water that evaporates from the surface of a lake over the course of a single day, The Increase in Lake Storage in a Day refers to the net gain in the volume of water stored in a lake over a 24-hour period & The Daily Transpiration Loss refers to the amount of water that plants lose through the process of transpiration over the course of a single day.

How to calculate Daily Surface Outflow from Lake?

The Daily Surface Outflow from Lake formula is defined as representing either non-point runoff into the river, or the confluence of streams or rivers not otherwise modeled is calculated using Daily Surface Outflow = Precipitation+Daily Surface Inflow+Daily Groundwater Inflow-Daily Seepage Outflow-Daily Lake Evaporation-Increase in Lake Storage in a Day-Daily Transpiration Loss. To calculate Daily Surface Outflow from Lake, you need Precipitation (P), Daily Surface Inflow (V_is), Daily Groundwater Inflow (V_ig), Daily Seepage Outflow (V_og), Daily Lake Evaporation (E_L), Increase in Lake Storage in a Day (ΔS_L) & Daily Transpiration Loss (T_L). With our tool, you need to enter the respective value for Precipitation, Daily Surface Inflow, Daily Groundwater Inflow, Daily Seepage Outflow, Daily Lake Evaporation, Increase in Lake Storage in a Day & Daily Transpiration Loss and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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