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The energy balance applies to all scales, ranging from global to river basin to region to farm and to field level. Satellite images come in a wide variety of spatial and temporal resolutions. Evapotranspiration and biomass production are key indicators for water management and irrigation performance.
[citation needed] The more common method relies on the principle of conservation of mass (water balance) and assumes the amount of water in a given reservoir is roughly constant. With this method, residence times are estimated by dividing the volume of the reservoir by the rate by which water either enters or exits the reservoir.
The balance of nature, also known as ecological balance, is a theory that proposes that ecological systems are usually in a stable equilibrium or homeostasis, which is to say that a small change (the size of a particular population, for example) will be corrected by some negative feedback that will bring the parameter back to its original "point of balance" with the rest of the system.
A hydrologic model is a simplification of a real-world system (e.g., surface water, soil water, wetland, groundwater, estuary) that aids in understanding, predicting, and managing water resources.
Balance (advertisement), a 1989 award-winning television advertisement for the Lexus LS 400; Balance (metaphysics), a desirable point between two or more opposite forces; Balance (stereo), the amount of signal from each channel reproduced in a stereo audio recording; The Balance, a personal finance website owned by Dotdash
Mikhail Ivanovich Budyko [a] (20 January 1920 – 10 December 2001) was a Soviet and Russian climatologist and one of the founders of physical climatology. He pioneered studies on global climate and calculated temperature of Earth considering simple physical model of equilibrium in which the incoming solar radiation absorbed by the Earth's system is balanced by the energy re-radiated to space ...
In physics, a mass balance, also called a material balance, is an application of conservation of mass [1] to the analysis of physical systems.By accounting for material entering and leaving a system, mass flows can be identified which might have been unknown, or difficult to measure without this technique.
The Intergovernmental Hydrological Programme, [1] formerly the International Hydrological Programme (IHP), is UNESCO’s international scientific cooperative program in water research, water resource management, water education, and capacity- building, and the only broadly based science program of the UN system in this area. [2]