- /huy drol"euh jee/, n.1. the science dealing with the occurrence, circulation, distribution, and properties of the waters of the earth and its atmosphere.2. hydrogeology; geohydrology.[1755-65; HYDRO-1 + -LOGY]
* * *Scientific discipline concerned with the waters of the Earth, including their occurrence, distribution, circulation via the hydrologic cycle, and interactions with living things.It also deals with the chemical and physical properties of water in all its phases.
* * *▪ sciencescientific discipline concerned with the waters of the Earth, including their occurrence, distribution, and circulation via the hydrologic cycle and interactions with living things. It also deals with the chemical and physical properties of water in all its phases.A brief treatment of hydrology follows. For full treatment, see hydrologic sciences.Hydrology has as its primary objective the study of the interrelationship between water and its environment. As hydrology is mainly concerned with water close to the land surface, it focuses on those components of the hydrologic cycle that occur there—namely, precipitation, evapotranspiration, runoff, and groundwater. Its various subdisciplines deal with different aspects of these phenomena. Hydrometeorology, for example, concentrates on water in the lower boundary layer of the atmosphere, while hydrometry involves the measurement of surface water, especially precipitation and streamflow. Hydrography entails the description and mapping of large bodies of surface water, such as lakes, inland seas, and oceans. On the other hand, groundwater hydrology centres on subsurface water in the saturated zone, and soil-water physics on that in the unsaturated zone.Hydrology draws upon the disciplines of geology, chemistry, soil science, and plant physiology, employing many of their principles and methods. Researchers in the field rely increasingly on computer simulations of natural hydrologic systems and remote-sensing techniques, as, for example, the use of Earth-orbiting satellites equipped with infrared cameras to detect bodies of polluted water or to trace the flow of hot springs.Hydrologic research is important in the development, management, and control of water resources. Its applications are manifold and include irrigation-systems development, flood and land-erosion control, waste-water disposal and treatment, pollution abatement, recreational use of water, fish and wildlife preservation, hydropower generation, and the design of hydraulic structures.
* * *
Look at other dictionaries:
Hydrology — Студийный ал … Википедия
Hydrology — Hy*drol o*gy, n. [Hydro , 1 + logy: cf. F. hydrologie.] The science of water, its properties, phenomena, and distribution over the earth s surface. [1913 Webster] … The Collaborative International Dictionary of English
hydrology — 1762, from HYDRO (Cf. hydro ) + LOGY (Cf. logy). Related: Hydrologist; hydrological (1660s) … Etymology dictionary
hydrology — ► NOUN ▪ the science of the properties and distribution of water on the earth s surface. DERIVATIVES hydrologic adjective hydrological adjective hydrologist noun … English terms dictionary
hydrology — [hī dräl′ə jē] n. [ModL hydrologia: see HYDRO & LOGY] the science dealing with the waters of the earth, their distribution on the surface and underground, and the cycle involving evaporation, precipitation, flow to the seas, etc. hydrologic… … English World dictionary
Hydrology — Water covers 70% of the Earth s surface. Hydrology is the study of the movement, distribution, and quality of water on Earth and other planets, including the hydrologic cycle, water resources and environmental watershed sustainability. A… … Wikipedia
hydrology — hidrologija statusas T sritis Standartizacija ir metrologija apibrėžtis Mokslas, nagrinėjantis vandens savybes, dėsnius ir reiškinius. atitikmenys: angl. hydrology vok. Gewässerkunde, f; Hydrologie, f rus. гидрология, f pranc. hydrologie, f … Penkiakalbis aiškinamasis metrologijos terminų žodynas
hydrology — hidrologija statusas T sritis fizika atitikmenys: angl. hydrology vok. Hydrologie, f rus. гидрология, f pranc. hydrologie, f … Fizikos terminų žodynas
hydrology — noun Etymology: New Latin hydrologia, from Latin hydr + logia logy Date: 1762 a science dealing with the properties, distribution, and circulation of water on and below the earth s surface and in the atmosphere • hydrologic or hydrological… … New Collegiate Dictionary
hydrology — the study of water, its distribution, circulation, properties and effects, on the surface, subsurface and in the atmosphere … Dictionary of ichthyology