Nile basin water balanceGlobal distribution of water balance in the soil averaged over the years 1981-2010 from the CHELSA-BIOCLIM+ data set[1]
The law of water balance states that the inflows to any water system or area is equal to its outflows plus change in storage during a time interval.[2][3] In hydrology, a water balance equation can be used to describe the flow of water in and out of a system. A system can be one of several hydrological or water domains, such as a column of soil, a drainage basin, an irrigation area or a city.
The water balance is also referred to as a water budget. Developing water budgets is a fundamental activity in the science of hydrology. According to the US Geological Survey:[4]
An understanding of water budgets and underlying hydrologic processes provides a foundation for effective water-resource and environmental planning and management. Observed changes in water budgets of an area over time can be used to assess the effects of climate variability and human activities on water resources. Comparison of water budgets from different areas allows the effects of factors such as geology, soils, vegetation, and land use on the hydrologic cycle to be quantified.
^Brun, P., Zimmermann, N.E., Hari, C., Pellissier, L., Karger, D.N. (preprint): Global climate-related predictors at kilometre resolution for the past and future. Earth Syst. Sci. Data Discuss. https://doi.org/10.5194/essd-2022-212
^Sutcliffe, J.V. (2004). Hydrology: A Question of Balance. Intl Assn of Hydrological Sciences (IAHS).
^Viessman, W.; Lewis, G.L. (1996). Introduction to Hydrology (Fourth ed.). HarperCollins College Publishers.
^Healy, R.W.; Winter, T.C.; LaBaugh, J.W.; Franke, O.L (2007). Water Budgets: Foundations for Effective Water-Resources and Environmental Management. U.S. Geological Survey. p. 90.
The law of waterbalance states that the inflows to any water system or area is equal to its outflows plus change in storage during a time interval. In...
to maintain the homeostasis of the organism's water content; that is, it maintains the fluid balance and the concentration of electrolytes (salts in...
the study of waterbalance components intervening in agricultural water management, especially in irrigation and drainage. The waterbalance components...
optimal salt and waterbalance in the body is a complex one, one of the primary ways in which the human body keeps track of loss of body water is that osmoreceptors...
of water deficit, as developed by Stocker in the 1920s, is a useful index of the balance in the plant between uptake and loss of water. Slight water deficits...
Basin. The Welsh slate industry made extensive use of gravity balance and waterbalance inclines to connect quarry galleries and underground chambers...
understanding both of the natural, pre-development, waterbalance and the post-development waterbalance. Accounting for flows in the pre- and post-development...
It has a variety of additional functions: it may serve to maintain waterbalance, protect the deeper tissues, excrete wastes, and regulate body temperature...
of gastropods removes nitrogenous waste and maintains the internal waterbalance of these creatures, commonly referred to as snails and slugs. The primary...
calcium absorption, increase calcium excretion or both. Positive calcium balance occurs when calcium excretion is decreased and intake remains constant...
The Ogallala Aquifer (oh-gə-LAH-lə) is a shallow water table aquifer surrounded by sand, silt, clay, and gravel located beneath the Great Plains in the...
runoff and precipitation. Determining the waterbalance of a region. Determining the agricultural waterbalance. Designing riparian-zone restoration projects...
method relies on the principle of conservation of mass (waterbalance) and assumes the amount of water in a given reservoir is roughly constant. With this...
produced in the adrenal cortex and influence salt and waterbalances (electrolyte balance and fluid balance). The primary mineralocorticoid is aldosterone....
estimated by evaluating the waterbalance equation for a given area:. The waterbalance equation relates the change in water stored within the basin (S)...
that can result when the normal balance of electrolytes in the body is pushed outside safe limits by excessive water intake. Under normal circumstances...
are introduced to cold water. Mild bradycardia is caused by subjects holding their breath without submerging the face in water. When breathing with the...
fluid balance, an aspect of homeostasis. By weight, the average adult human is approximately 60% water, and the average child is approximately 65% water. There...
a pulley in the mountain station. The carriages maintain approximately balance, so propelling the wagon requires only applying the force to unbalance...
and evolution of a drainage basin. Drainage density is tied to the waterbalance equation: d V d t = R + G i − G o − G s − E T − Q w {\displaystyle {\frac...
In physics, a mass balance, also called a material balance, is an application of conservation of mass to the analysis of physical systems. By accounting...
well water for irrigation, runoff), and the aquifer hydrology (like upward seepage, natural drainage, pumping from wells). The other waterbalance components...
hormones help control metabolism, inflammation, immune functions, salt and waterbalance, development of sexual characteristics, and the ability to withstand...
Plasma osmolality measures the body's electrolyte–waterbalance. There are several methods for arriving at this quantity through measurement or calculation...
Novorossiysk, Sochi, Batumi, Trabzon and Samsun. The Black Sea has a positive waterbalance, with an annual net outflow of 300 km3 (72 cu mi) per year through the...
Global Information