Hydraulic engineering

thumb|upright=1.3|Rain falling over a drainage basin in [[Scotland. Understanding the cycling of water into, through, and out of catchments is a key element of hydrology.]]

right|thumb|upright=1.5|An illustration showing groundwater in aquifers (in blue) (1, 5 and 6) below the [[water table (4), and three different wells (7, 8 and 9) dug to reach it.]]

thumb|upright=1.3|The Three Gorges Dam in China; the hydroelectric dam is the world's largest power station by [[installed capacity.]]

thumb|Hydraulics and other studies thumb|An open channel, with a uniform depth. Open-channel hydraulics thumb|Illustration of hydraulic and hydrostatic, from the "Table of Hydraulics and Hydrostatics", from Cyclopædia, or an Universal Dictionary of Arts and Sciences, edited by [[Ephraim Chambers, 1728, Vol. 1]]

thumb|Watermill of Braine-le-Château, Belgium (12th century) thumb|Interior of the Lyme Regis watermill, UK (14th century) A watermill or water mill is a mill that uses hydropower. It is a structure that uses a water wheel or water turbine to drive a mechanical process such as milling (grinding), rolling, or hammering. Such processes are needed in the production of many material goods, including flour, lumber, paper, textiles, and many metal products. These watermills may comprise gristmills, sawmills, paper mills, textile mills, hammermills, trip hammering mills, rolling mills, and wire drawi

machine used for transferring water from a low-lying body of water into irrigation ditches

thumb|upright=1.8|Schematic of an aquifer showing confined zones, groundwater travel times, a spring and a [[well]]

gold rush from C.E.1848 until 1855 in California

thumb|Confluence of the Bhagirathi and [[Alaknanda Rivers at the Ganges in Devprayag, India]] thumb|The same confluence viewed from upstream at a different time; note the swirl of sediment from the Alaknanda River

sub-discipline of civil engineering concerned with the flow and conveyance of fluids, principally water and sewage

machine that uses a rotating impeller to move liquids by converting rotational energy into kinetic energy

A weir on the Humber River near Cruikshank Park in Toronto, [[Ontario, Canada|thumb|right]] thumb|A weir on the Yass River, New South Wales, Australia, directly upstream from a shared pedestrian-bicycle river crossing thumb|right|A weir on the Tikkurilankoski rapids in Vantaa, Finland thumb|Time-lapse video of a new tilting weir being installed in the Caldicot and Wentloog Levels

rainwater harvesting infrastructure

used for open channel flows

REDIRECT Pressure measurement#Instruments

thumb|upright=1.35|right|Groynes in Sitges, Catalonia, Spain

thumb|upright=1.2|A stream hydrograph. Increases in stream flow follow rainfall or [[snowmelt. The gradual decay in flow after the peaks reflects diminishing supply from groundwater.]]

Chinese philosopher

architectural element

artificial structure which disrupts the natural flow of water

thumb|right|A sluice gate

pollution that occurs when when pollutants are released to the ground and seep down into groundwater

measure of the ability of a porous material to allow water to pass through it

process of infiltration and percolation of water in the ground and aquifers

artificial pond to manage stormwater

Mekorot (, lit. "Sources") is the national water company of Israel and the country's top agency for water management. Founded in 1937, it supplies Israel with approx. 80% of its drinking water and operates a cross-country water supply network known as the National Water Carrier of Israel. Mekorot and its subsidiaries have partnered with numerous countries around the world in areas including desalination and water management.

unit of permeability

change in shape and direction of river channels over time

sub-field of hydrology concerned with above-earth water

mining technique using high-pressure jets of water to carve away minerals

thumb|Fouling on a heat exchanger in a steam [[power plant]] thumb|Condenser (steam turbine)|Condenser tube with residues of [[biofouling (cut open)]]

branch of hydraulics and fluid mechanics

flood control measure

EPANET (Environmental Protection Agency Network Evaluation Tool) is a public domain, water distribution system modeling software package developed by the United States Environmental Protection Agency's (EPA) Water Supply and Water Resources Division. It performs extended-period simulation of hydraulic and water-quality behavior within pressurized pipe networks and is designed to be "a research tool that improves our understanding of the movement and fate of drinking-water constituents within distribution systems". EPANET first appeared in 1993.

Purmer is a polder and reclaimed lake in the Netherlands province of North Holland, located between the towns of Purmerend and Edam-Volendam. It is also a village located in the municipalities of Waterland and Edam-Volendam.

used to evaluate an aquifer by pumping from a well

perimeter of a cross sectional area that is wet

removal of sediment near an obstruction by swiftly moving water

body of water used as a reservoir for a water-powered mill

rapid abandonment of a river channel and formation of a new channel

right|300px|thumb|1D HEC-RAS model, showing river line and cross-sections. Each cross-section is depth-averaged.

system of irrigation from Chinian Plain, Taiwan

erosion of sediment near bridge foundations by water

work to improve the environmental health of a river or stream

Italian company specializing in water pumps

drainage of agricultural lands by wells

sewer which uses the same pipes for both stormwater and sanitary flows

German company group

development of the Florida Everglades

artificial anabranch, in most flow as a flood relief channel, of the (river) Thames

Italian hydraulic engineer * 1916 (1916–2013)

field of geochemistry and hydrology

Bed protection for a watercourse made of geotextile and osier ( willow) wood

Italian mathematician (16th–17th century)

structure housing sluice gates, valves, or pumps for a dam

Body of surface water in a channel with surrounding undeveloped land dominated by grasses

thumb|Sidewalks are a common form of hardscaping Hardscape is hard landscape materials in the built environment structures that are incorporated into a landscape. This can include paved areas, driveways, retaining walls, sleeper walls, stairs, walkways, and any other landscaping made up of hard wearing materials such as wood, stone, and concrete, as opposed to softscape, the horticultural elements of a landscape.

vertical tubular structure for capturing water from reservoirs

canalization of the Alpine Rhine on the border between Austria and Switzerland in the early 20th century