How do you describe water balance?
Water balance is a method of book keeping used to summarize the amount of water cycling from the atmosphere, across land surfaces, into the ground, through plants, into the ocean, and back the atmosphere. It provides a good framework for understanding hydrologic processes.
What is hydrological equilibrium?
An accounting of the inflow to, outflow from, and storage in a hydrologic unit such as a drainage basin, aquifer, soil zone, lake or reservoir; the relationship between evaporation, precipitation, runoff, and the change in water storage.
What is the hydrologic equation?
The hydrologic equation is simply the statement of the law of conservation of matter and is given by : Inflow = Outflow + Change in Storage. The hydrological basic equation describes the hydrological cycle in a quantitative way: P = R + E. P = Precipitation; from aerosphere retiraled water.
What is meant by the water balance of a catchment?
The water balance. A catchment/watershed/basin water balance is the process by which precipitation is separated into its components. For the entire system, consisting of surface water and groundwater, precipitation P separates into four components (Fig.
Which of the following equation describes the hydrological equilibrium?
The hydrologic cycle for a natural system is characterized by a water mass balance equation: Precipitation=Runoff+Infiltration+Evapotranspiration+ΔStorage.
What is the water balance equation quizlet?
Water Balance Equation. P=(PE-D)+ S± ∆St. P. Precipitation, moisture supply at the surface.
What is water budget balance equation?
The balance of water inflows and outflows, or water budget, for a groundwater system, is described by a simple equation: I−O=ΔS. where I is the total of the inflows to the system, O the total outflows and ΔS is the change in storage.
What is water budget equation?
The water budget is expressed as an equation relating these components: ΔS = P – E – ET ± SRO ± GF. (1) where ΔS is the change in storage. For example, if the expression on the right-hand side of the equation is positive, storage will increase and the water level in the area of interest will rise.
What is a balance in chemistry?
Chemical balance is a beam balance instrument that is used in a quantitative measure of the chemical with great precision. It measures the mass of the chemical up to four decimal places. It is used in the quantitative analysis of the chemical. It has the ability to recognise any minimal deviation.
What does balance mean in math?
When both sides have the same quantity or mass.
How do you use the water balance equation?
A general water balance equation is: P = R + ET + ΔS.
Which output variables are used to describe the water balance equation quizlet?
What is a water balance? shows the balance between the inputs (precipitation) and the outputs (runoff and evapotranspiration) together with changes in ground storage.
What are the components of the water balance equation?
Is water balance the same as water budget?
A water budget reflects the relationship between input and output of water through a region. The water balance graph shows precipitation and potential evapotranspiration both as line graphs. Thus we have a direct comparison of supply of water and the natural demand for water.
What is the purpose of water budget equation in hydrology?
Water budgets provide a means for evaluating availability and sustainability of a water supply. A water budget simply states that the rate of change in water stored in an area, such as a watershed, is balanced by the rate at which water flows into and out of the area.
Why do we need to balance chemical equation?
Chemical equations must be balanced to satisfy the law of conservation of matter, that states that matter cannot be produced or destroyed in a closed system. The law of conservation of mass governs the balancing of a chemical equation.
What is the science word for balance?
A situation in which different elements are equal or in the correct proportions. equilibrium. equipoise.