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...tion.<ref>Hilsenhoff, W. L. Use of Arthropods to Evaluate Water Quality of Streams. ''Wis. Dep. Nat. Resour.'' '''Technical Bulletin''', 100 (1977).</ref> ...value of 10, while a species collected only in unaltered streams with high water quality would receive a value of 0.<ref name=":0">{{Cite journal|last=Hilse ...

...be in large valleys and vice versa. This is because steady, heavy flow of water will tug surrounding soil and subsequently erode and deepen the valley it c {{Rivers, streams and springs}} ...

...ng the capacity to upgrade to a usable level the temperature of waste heat streams using only negligible quantities of electrical energy and no additional pri ...orbent]] = LiBr) and [[ammonia]]/water (refrigerant = ammonia, absorbent = water). ...

{{Short description|Biological indicator in streams}} ...ub> is linked to the quality classes of the [[Water Framework Directive|EU Water Framework Directive (WFD)]]<ref name="Drei">Beketov MA, Liess M, 2008. An i ...

...ht|The ideal [[water potential]] between [[fresh water]] (right) and [[sea water]] (left) corresponds to a [[hydraulic head]] of 270 metres]] ...ulting from the difference in the salt concentration between sea and river water. ...

...ctober 2003, School of Environmental Engineering, Lund University]</ref> [[water]] and contaminants from the biogas. One technique for doing this uses [[ami | Water vapour || 0–10% || 3,1% ...

...D5390.htm |title=Standard Test Method for Open-Channel Flow Measurement of Water with Palmer-Bowlus Flumes}}</ref> It is important to note that unlike the Free-Flow – when there is no “back water” to restrict flow through a flume. Only the single depth (primary point of ...

...ocity. When the force of gravity is greater than the force of friction the water accelerates.<ref>{{cite book|title=Fluvial Processes in Geomorphology.|last ...A145|title=Drainage Basins, Channels, and Flow Characteristics of Selected Streams in Central Pennsylvania|last=Brush|first=Lucien M.|date=1961|publisher=U.S. ...

...eter–Phelps equation''' is used in the study of [[water pollution]] as a [[water quality modelling]] tool. The model describes how [[dissolved oxygen]] (DO) *<math>L_a</math> is the initial oxygen demand of organic matter in the water, also called the ultimate BOD (BOD at time t=infinity). The unit of <math>L ...

...ty; with an enquiry into the cause of some of the ascent and suspension of water in capillary tubes,"] ''Philosophical Transactions of the Royal Society of ...ccount of some new experiments, relating to the action of glass tubes upon water and quicksilver,"] ''Philosophical Transactions of the Royal Society of Lon ...

|image = Water flowing in creek looped.gif |caption = Water flowing in creek ...

...ram where various [[unit operation]]s are present and connected by product streams. ...input information to simulate a process are: setup, components properties, streams and blocks.<ref>{{Cite book|title=Process Simulation and control using Aspe ...

...luvial geomorphology]]. It is the [[product (mathematics)|product]] of the water [[wikt:depth|depth]] and the mean bed [[slope]], along with the [[gravitati For natural streams, in the [[Mks system of units|mks]] or [[International System of Units|SI]] ...

...ttps://archive.today/20140601130358/http://store.msuextension.org/Products/Water-Measurement-Montana-(Short-Parshall)-Flume-(Part-2)__MT199128AG.aspx|url-st ...s/hydraulics_lab/pubs/wmm/chap08_10.html |title=U.S. Bureau of Reclamation Water Measurement Manual}}</ref> ...

...se combine equations describing conservation of water mass and momentum in streams with relations for channel [[hydraulic geometry]] (width-discharge scaling) ...

...in gases in the [[Earth's atmosphere]], including [[carbon dioxide]] and [[water vapour]], are transparent to the high-frequency [[solar radiation]], but ar ...radiation will be longwave]] and the sunlight will be shortwave. These two streams of radiation will have distinct emission and absorption characteristics. I ...

...sport#Depth-slope product|Shear stress]] <math>t</math> is proportional to water mass, gravity, and WSS: ...in glaciology. Increases in slope, depth, or density of water increase the water's potential to cause erosion.<ref>{{cite journal |doi=10.1002/esp.3462 |tit ...

{{Short description|Tool to measure water quality}} ...to measure water quality, and specifically it deals with the capacity of a water body to self-regulate and degrade organic matter. The saprobic system deriv ...

Under free-flow conditions the depth of water at specified location upstream of the flume throat can be converted to a ra The Cutthroat flume was developed during the 1966-67s at the Utah Water Research Laboratory, Utah State, Logan, Utah by Skogerboe, Hyatt, Anderson, ...

{{Short description|Water treatment process}} ...ergy]]. Direct spray distillation involves evaporation and condensation on water droplets that are sprayed into a chamber that is evacuated of non-condensab ...