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River Stream Open Channel Flow meter

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  • Modbus RS485 Output Open Channel Water Flow Meter ...

    The Ultrasonicl Flowmeter can record data of flow rate and total flow with a SD card up to 16GB. The Doppler Open channel flowmeter can calculate the cross-sectional area of partially filled pipe, open channel stream or river, for stream or river, The Ultrasonic Flowmeter can input up to 20 coordinate points describing the river's shape of cross section.It is suitable for variou applications.

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  • Water flow - OTT Hydromet

    Water flow Accurate flow and discharge measurement has been a core competency of OTT Hydromet since we created our first flow meter …

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  • Open Channel Flowmeters for Stream & partially Filled ...

    Flow Meters for Streams, Rivers & Partially Filled Pipes. RS Hydro stock a comprehensive range of open channel flow meters ideal for flow measurement in small open channels, sewers, culverts, streams & rivers. We offer both portable and permanent flow meters, battery powered or mains powered with integral dataloggers.

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  • Open Channel Flow Sensors - Canals - Rivers - Storm Water ...

    The AVFM (Area Velocity Flow Meter) will monitor flow through open channels, partially full sewer pipes and surcharged pipes. Ideal for storm-water, combined effluent, raw sewage and irrigation water. The AVFM 6.1 uses a submerged ultrasonic sensor to continuously measure both Velocity and Level in the channel.

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  • River and Open Channel Flow Meters, Phoenix - Flowline

    The Phoenix Non-Contact Area-Velocity Flowmeter. The Phoenix is the next generation RADAR Flowmeters, suitable for River Flow Measurements. Flowline has been supplying and installing RADAR flowmeters for over 20 years.. The Phoenix is mounted above the water surface and measures the flow velocity using the radar technology and the flow depth using a level sensor (ultrasonic, radar or pressure).

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  • Open Channel Flow Meter - Valeport BFM001 & 002

    The Valeport BFM001/002 stream and river gauging current meters provide cost effective and reliable flow monitoring in open-channels. The BFM001/002 current meters can be used in a variety of environments, including salt, fresh and effluent water, from shallow streams and rivers to tidal waterways.

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  • FlowCERT

    The open channel flow meter also provides the option to make the application MCERTS Class 1 Certified, meaning FlowCERT has undergone external, independent testing to ensure its accuracy and reliability when it comes to open channel flow measurement.

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  • How Streamflow is Measured - USGS

    Diagram of Channel Cross Section With Subsections. The most common method used by the USGS for measuring velocity is with a current meter. However, a variety of advanced equipment can also be used to sense stage and measure streamflow. In the simplest method, a current meter turns with the flow of the river or stream.

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  • Velocity & Flow Instruments

    The RVFM-2-W flow meter uses radar technology to provide precise contactless measurement of surface flow velocity. WaterCube Xylem Analytics has joined with WaterCube to provide a natural extension to the capabilities of the SonTek M9 ADCP with the ability to map longitudinal reaches of river section and depict this in a full 'real data' 3D ...

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  • Open Channel Flow Meters - Smart Measurement

    Open Channel Flow Meters. Hover mouse over icon for application notes. Smart Measurement’s ALSONIC-AVM system is an open channel flow meter that works as an area-velocity meter in conjunction with a user-supplied level transmitter to measure flow rates in open channels. The ALSONIC-AVM consists of an advanced DSP-based flow computer and four ...

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  • Rivers - Flow Meters and Flow Measurement Solutions

    Open Channel Ultrasonic Flow Meter, Dual Chord/Channel, UF811CO. The UF811CO is the new fixed open channel flow meter from Ultraflux. It is a versatile converter that can be used with insertion probes for measurement of part full pipes and channels, It can handle up to 2 chords on a single channel.

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  • Flow Measurement in Open Channel - NIVUS

    The flow measurement system Type OCM F operates based on the Doppler principle. A wedge-shaped flow velocity sensor has been installed in the center of the rectangular channel. The flow …

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  • Current Meters, Flow Meter & Open Channel Meters

    Current Meters and Open Channel Meters have been a speciality of Valeport’s since the company was first formed in 1969. The company started making instruments for measuring the speed of the water in London’s River Thames, since then our product range has grown, but our expertise in current flow …

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  • Flow & Discharge - OTT Hydromet

    Flow & Discharge. Measuring water flow and discharge to determine the amount of water flowing through an open channel is critical for predicting water availability and flood events, allocating watering, and more. OTT Hydromet has been a leader in flow meter technology for over 100 years, from the first mechanical current meters …

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  • How to Choose a Flow Meter – Flowma

    An open channel flow meter is a flow meter which installed to measure flow in an open channel system, such as canal, river, trench. Basically, an open channel flow meter measures the flow velocity by considering the surface height. For the measurement of flow velocity, it can be done by using transit time flow meter or Magnetic flow meter.

    Get Price
  • Estimating Open Channel Flow Rate (Float Method) - IEI

    Estimating Open Channel Flow Rate (Float Method) A fairly simple method for measuring flow rate through an open channel is the Float method. Although not as accurate as a measuring device such as a flume or a flow probe, the float method can provide an educated estimate.

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  • River Monitoring with an IoT Flow Meter - Hackster.io

    The IoT flow meter consists of a sensor and electronics, connected to a PVC pipe support structure, that can be deployed to a river to collect flow rate data. A flow meter sensor is connected to the structure's vertical pipe at an adjustable height where it is held submerged underwater.

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  • Analyzing of Flow in Open Channels Networks Using HEC- RAS

    of the wave in the downstream stream [5]. Parvaresh and Koochakzade in (2001) The Karoon-River were tested by a theme, and the results of this study Another one Models of network flow analysis in the open channel of the HEC-RAS model [6]. Version 3/01 of this model was released in 2001 by the Center the

    Get Price
  • Chapter 12 - HYDROLOGICAL MEASUREMENTS

    The flow rate or discharge of a river is the volume of water flowing through a cross-section in a unit of time and is usually expressed as m3 s-1. It is calculated as the product of average velocity and cross-sectional area but is affected by water depth, alignment of the channel, gradient and roughness of the river …

    Get Price
  • Open Channel Flow Meters - Smart Measurement

    Open Channel Flow Meters. Hover mouse over icon for application notes. Smart Measurement’s ALSONIC-AVM system is an open channel flow meter that works as an area-velocity meter in conjunction with a user-supplied level transmitter to measure flow rates in open channels. The ALSONIC-AVM consists of an advanced DSP-based flow computer and four ...

    Get Price
  • Open Channel

    Open your mind to our open-channel flow portfolio. The SITRANS Probe LU240 is a 2-wire loop-powered ultrasonic level transmitter, bringing you the reliability of Sonic Intelligence echo processing. The MultiRanger and HydroRanger series consist of versatile single- and multi-vessel ultrasonic level controllers.

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  • Geo Scientific Ltd. - Flow & Current Meters

    AquaCalc Pro Open Channel Flow Computer The AquaCalc Pro is the natural successor to the AquaCalc 5000 , with added features, such as a large graphical display, an audible tone for both key clicks and meter rotations, storage of 30 river …

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  • Stream Flowmeters

    Stream Flowmeters When learning about geography it is important for students to be familiar with the practical application of their knowledge in the field, and it is important to have the right equipment to facilitate this.

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  • CHAPTER 5 OPEN-CHANNEL FLOW

    Figure 5-5. A uniform open-channel flow: the depth and the velocity profile is the same at all sections along the flow. 12 One kind of problem that is associated with uniform flow is what the channel slope will be if discharge Q, water depth d, and bed sediment size D are specified or imposed upon the flow.

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  • Chapter 4 Open-Channel Flow

    Chapter 4 Open-Channel Flow 4-1 Introduction An open channel is a watercourse that allows part of the flow to be exposed to the atmosphere. This type of channel includes rivers, culverts, stormwater systems that flow by . gravity, roadside ditches, and roadway gutters. Open-channel flow design criteria are used in

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  • Water Flow Instruments

    They measure water level and convert this to water flow. The conversion is usually done with a rating derived from gauging the cross section of the open channel beside the station, or using the relationship associated with a weir constructed downstream. Read about NIWA's current meter calibration service and flow stations in this article.

    Get Price
  • Analyzing of Flow in Open Channels Networks Using HEC- RAS

    of the wave in the downstream stream [5]. Parvaresh and Koochakzade in (2001) The Karoon-River were tested by a theme, and the results of this study Another one Models of network flow analysis in the open channel of the HEC-RAS model [6]. Version 3/01 of this model was released in 2001 by the Center the

    Get Price
  • Stream and River Monitoring - Environmental Measurement ...

    A stream or river monitoring project can also require the observation and measurement of water quality. In these situations, a multi-parameter water quality sonde is recommended. Multi-parameter sondes differ from brand to brand and model to model, but they are unified by a few common traits. As would be expected, multi-parameter sondes usually ...

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  • Water Flow Meters

    Water Flow Meters. Pine stocks a wide range of open channel water flow meters for highly accurate water velocity and discharge measurements in open channels and partially filled pipes. Offering some of the world's leading brands such as Marsh McBirney and Global Flow, these instruments provide reliable precise measurements in streams, sewers ...

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  • SL50B portable flow meter, open channel flow velocity ...

    Cheap Speed Measuring Instruments, Buy Quality Tools Directly from China Suppliers:SL50B portable flow meter, open channel flow velocity meter, sewage river water survey (suit) Enjoy Free Shipping Worldwide! Limited Time Sale Easy Return.

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  • Open Channel Flow

    Open channel flow transports water by gravity with a free surface exposed to the atmosphere. Any of the principal methods of discharge measurement outlined below can be used to measure open channel flow. Some methods are more accurate than others while some methods measure a large range of discharge. Stormwater is variable and thus the method ...

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  • Swoffer Instruments Current Velocity Meter and Flow Meter ...

    Beginning then with the first electronically operated sailboat speedometer and continuing to expand into open channel velocity measurement. The Model 2100 instrument was introduced in 1980 and has been one of the most reliable water current measuring instruments in the US. The newest addition is a data logging flow meter - the Model 3000 .

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  • 3.2 Topic 8: Open Channel Flow - University of Texas at Austin

    Normal depth is the depth of uniform flowin an prismatic open channel. Since the flow is uniform, the depth and discharge are related through Manning’s equation with Sf = So. 3.15 Given Q, n, A(y), Rh(y) and So: solve for yn Waves (Small Disturbances) in a Moving Stream …

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  • Water Flow Instruments

    They measure water level and convert this to water flow. The conversion is usually done with a rating derived from gauging the cross section of the open channel beside the station, or using the relationship associated with a weir constructed downstream. Read about NIWA's current meter calibration service and flow stations in this article.

    Get Price
  • How to Choose a Flow Meter – Flowma

    An open channel flow meter is a flow meter which installed to measure flow in an open channel system, such as canal, river, trench. Basically, an open channel flow meter measures the flow velocity by considering the surface height. For the measurement of flow velocity, it can be done by using transit time flow meter or Magnetic flow meter.

    Get Price
  • Analyzing of Flow in Open Channels Networks Using HEC- RAS

    of the wave in the downstream stream [5]. Parvaresh and Koochakzade in (2001) The Karoon-River were tested by a theme, and the results of this study Another one Models of network flow analysis in the open channel of the HEC-RAS model [6]. Version 3/01 of this model was released in 2001 by the Center the

    Get Price
  • Rectangular Open Channel Flow and Hydraulic Design

    In our rectangular open channel flow calculation, most of the combinations of inputs have analytic (closed form) solutions to compute the unknown variables; however, two require numerical solutions ('Enter Q, n, S, y' and 'Enter Q, n, S, b'). Our numerical solutions utilize a cubic solver. All of our calculations utilize double precision.

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  • ROCK RIPRAP DESIGN FOR PROTECTION OF STREAM CHANNELS NEAR ...

    Definition of a wide-open channel ----- 16 Estimation of probable channel geometry ----- 17 ... Changes in channel geometry of Sacramento River at cross section 6 near Ord Bend, California, 1972-84, for a discharge of ... K Conveyance of channel at supercritical flow L Length of stream channel …

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  • Chapter 12 - HYDROLOGICAL MEASUREMENTS

    The flow rate or discharge of a river is the volume of water flowing through a cross-section in a unit of time and is usually expressed as m3 s-1. It is calculated as the product of average velocity and cross-sectional area but is affected by water depth, alignment of the channel, gradient and roughness of the river …

    Get Price
  • SL50B portable flow meter, open channel flow velocity ...

    Cheap Speed Measuring Instruments, Buy Quality Tools Directly from China Suppliers:SL50B portable flow meter, open channel flow velocity meter, sewage river water survey (suit) Enjoy Free Shipping Worldwide! Limited Time Sale Easy Return.

    Get Price
  • Modbus RS485 Output Open Channel Water Flow Meter ...

    The Ultrasonicl Flowmeter can record data of flow rate and total flow with a SD card up to 16GB. The Doppler Open channel flowmeter can calculate the cross-sectional area of partially filled pipe, open channel stream or river, for stream or river, The Ultrasonic Flowmeter can input up to 20 coordinate points describing the river's shape of cross section.It is suitable for variou applications.

    Get Price
  • Simple Flow Measurement Devices for Open Channels

    the flow depth (yielding values for both T and A). Critical flow in open channels can be created by three means: 1. Raising the bottom of the channel; 2. Lowering the bottom of the channel; 3. Contracting the flow cross-section (narrowing the channel). Flow measurement devices strive to achieve this critical flow for various

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  • Water Flow Instruments

    They measure water level and convert this to water flow. The conversion is usually done with a rating derived from gauging the cross section of the open channel beside the station, or using the relationship associated with a weir constructed downstream. Read about NIWA's current meter calibration service and flow stations in this article.

    Get Price
  • Analyzing of Flow in Open Channels Networks Using HEC- RAS

    of the wave in the downstream stream [5]. Parvaresh and Koochakzade in (2001) The Karoon-River were tested by a theme, and the results of this study Another one Models of network flow analysis in the open channel of the HEC-RAS model [6]. Version 3/01 of this model was released in 2001 by the Center the

    Get Price
  • How to Choose a Flow Meter – Flowma

    An open channel flow meter is a flow meter which installed to measure flow in an open channel system, such as canal, river, trench. Basically, an open channel flow meter measures the flow velocity by considering the surface height. For the measurement of flow velocity, it can be done by using transit time flow meter or Magnetic flow meter.

    Get Price
  • OPEN-CHANNEL FLOW - IKU

    Comparison of Open Channel Flow & Pipe Flow 1) OCF must have a free surface 2) A free surface is subject to atmospheric pressure 3) The driving force is mainly the component of gravity along the flow direction. 4) HGL is coincident with the free surface. 5) Flow area is determined by the geometry of the channel …

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  • Trapezoidal Open Channel Design Calculations. Rivers, streams

    A = Flow cross-sectional area, determined normal (perpendicular) to the bottom surface [L 2]. b = Channel bottom width [L]. F = Froude number. F is a non-dimensional parameter indicating the relative effect of inertial effects to gravity effects. River flows with F<1 are low velocity flows …

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  • Open Channel Flow Calculator

    This open channel flow calculator will help you find water flow velocity and volumetric flow rate through an open channel, given the channel's roughness coefficient, slope, and cross-sectional area.. In this calculator, you will learn how Manning's equation works and how to use it to determine water flow. You will also learn about the most efficient cross sections of open channels.

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  • Stream Gaging Using the Velocity-Area Method

    Stream gaging is a technique used to measure the discharge, or the volume of water moving through a channel per unit time, of a stream. The height of water in the stream channel, known as a stage or gage height, can be used to determine the dischage in a stream…

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  • Open Channel Flow Meters - Smart Measurement

    Open Channel Flow Meters. Hover mouse over icon for application notes. Smart Measurement’s ALSONIC-AVM system is an open channel flow meter that works as an area-velocity meter in conjunction with a user-supplied level transmitter to measure flow rates in open channels. The ALSONIC-AVM consists of an advanced DSP-based flow computer and four ...

    Get Price
  • Wireless Open ChannelFlow Monitoring — Trimble Water

    A Flexible Solution for Open Channel Flow Monitoring and Management. Trimble Unity software combined with Telog wireless, battery-powered recording telemetry unit (RTU) provide a GIS-centric cloud and mobile platform for monitoring flow meters in open channels and non-pressure pipelines.. Telog offers two solutions: 1. Interface with your existing flow meters (shown above on the left)

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  • Modbus RS485 Output Open Channel Water Flow Meter ...

    The Ultrasonicl Flowmeter can record data of flow rate and total flow with a SD card up to 16GB. The Doppler Open channel flowmeter can calculate the cross-sectional area of partially filled pipe, open channel stream or river, for stream or river, The Ultrasonic Flowmeter can input up to 20 coordinate points describing the river's shape of cross section.It is suitable for variou applications.

    Get Price
  • CHAPTER 5 OPEN-CHANNEL FLOW

    Figure 5-5. A uniform open-channel flow: the depth and the velocity profile is the same at all sections along the flow. 12 One kind of problem that is associated with uniform flow is what the channel slope will be if discharge Q, water depth d, and bed sediment size D are specified or imposed upon the flow.

    Get Price
  • SonTek - RiverSurveyor S5 and M9, open channel hydraulics ...

    The RiverSurveyor®, S5/M9 systems give a new perspective to the notion of measuring open channel hydraulics. Using SonTek’s exclusive SmartPulseHD®, multiple acoustic frequencies are fused with precise bandwidth control for the most robust and continuous shallow-to-deep discharge measurements ever. A deterministic microcontroller expertly apportions the proper acoustics, pulse scheme, and ...

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  • Fiberglass Flumes

    Advantages of Flumes. While both weirs and flumes measure open channel flow, flumes have some clear advantages. Flumes can measure higher rates of flow. Flumes have less head loss. Flumes more easily pass debris. Flumes have a smaller footprint. Flumes have more available styles and sizes. Flumes are easier to maintain.

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  • ROCK RIPRAP DESIGN FOR PROTECTION OF STREAM CHANNELS NEAR ...

    Definition of a wide-open channel ----- 16 Estimation of probable channel geometry ----- 17 ... Changes in channel geometry of Sacramento River at cross section 6 near Ord Bend, California, 1972-84, for a discharge of ... K Conveyance of channel at supercritical flow L Length of stream channel …

    Get Price
  • Freshwater DataStream

    To learn more about how we collect these data, see River and stream flow monitoring methodsopen_in_new. Some telemetry stations collect information on river and stream water quality open_in_new . There are both current and historical data points from continuous water quality measurements in the Freshwater DataStream application.

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  • Stream Discharge and Channel Measurements

    watershed affect flow. The amount of water passing a point on the stream channel during a given time is a function of velocity and cross-sectional area of the flowing water. Q = AV (1) where Q is stream discharge (volume/time), A is cross-sectional area, and V is flow velocity. Equation 1 is a form of a mass-

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  • [HEC-RAS] Stream centerline vs main channel flow path

    These features represent the flow over banks and main channel. Flowpath channel …

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  • Open Channel Flow Meters - Smart Measurement

    Open Channel Flow Meters. Hover mouse over icon for application notes. Smart Measurement’s ALSONIC-AVM system is an open channel flow meter that works as an area-velocity meter in conjunction with a user-supplied level transmitter to measure flow rates in open channels. The ALSONIC-AVM consists of an advanced DSP-based flow computer and four ...

    Get Price
  • Flow Meters - Open Channel Archives - Can-Am Instruments

    Flow Manufacturer’s Represented Can-Am is the exclusive representative for Hach open channel flow meters for Atlantic Provinces, Ontario, Manitoba, Saskatchewan, Alberta (Canada). Videos Reliable Flow Data` FloDar Removal and Reinstall Hach FH950 Handheld Velocity Meter Hach Model FL1500 Stationary Logger Installing the Hach US9001B Ultrasonic Sensor Flow Meter Guides and Introduction ...

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  • CHAPTER 5 OPEN-CHANNEL FLOW

    Figure 5-5. A uniform open-channel flow: the depth and the velocity profile is the same at all sections along the flow. 12 One kind of problem that is associated with uniform flow is what the channel slope will be if discharge Q, water depth d, and bed sediment size D are specified or imposed upon the flow.

    Get Price
  • Trapezoidal Open Channel Design Calculations. Rivers, streams

    A = Flow cross-sectional area, determined normal (perpendicular) to the bottom surface [L 2]. b = Channel bottom width [L]. F = Froude number. F is a non-dimensional parameter indicating the relative effect of inertial effects to gravity effects. River flows with F<1 are low velocity flows …

    Get Price
  • Measuring flow in open channels (weirs)

    the channel (suppressed) g is the acceleration of gravity (9.81 m/s²) Sharp-Crested Weir V-Notch (Triangular) Used in cases of small discharge Best weir to measure discharge in an open channel Highest accuracy when measuring flow …

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  • Open Channel Flow Calculator - Auburn University

    The open channel flow calculator: Select Channel Type: Select unit system: Channel slope: Water depth(y): Flow velocity: LeftSlope (Z1): RightSlope (Z2): Flow discharge: Input n value. Status: Wetted perimeter: Flow area: Top width(T) Specific energy: Froude number: Flow status: Critical depth: Critical slope ...

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  • OPEN CHANNELS - dot.state.pa.us

    Open Channels. An open channel is a defined area consisting of a free water surface subject to atmospheric pressure. Open channels may be natural or manmade. Natural streams usually consist of a normal or low flow channel and adjacent floodplains. In this chapter, the term 'open channel…

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  • Stream Discharge and Channel Measurements

    watershed affect flow. The amount of water passing a point on the stream channel during a given time is a function of velocity and cross-sectional area of the flowing water. Q = AV (1) where Q is stream discharge (volume/time), A is cross-sectional area, and V is flow velocity. Equation 1 is a form of a mass-

    Get Price
  • Stream Gaging Using the Velocity-Area Method

    Discharge, or the volume of water flowing in a stream over a set interval of time, can be determined with the equation: Q = AV, where Q is discharge (volume/unit time-e.g. m 3 /second, also called cumecs), A is the cross-sectional area of the stream (e.g. m 2), and V is the average velocity (e.g. m/s).. Stream water velocity is typically measured using a current meter.

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  • Factors Affecting Velocity Distribution in Open Channels ...

    ? Reading time: 1 minuteIn an open channel flow, velocity distribution is non-uniform which means velocity is different at different depths. Various Factors such as channel slope, alignment, shape, roughness etc plays key role in velocity distribution. Contents:Velocity Distribution in Open ChannelsFactors Affecting Velocity Distribution in Open Channels1. Shape of the Channel Section2 ...

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  • RS485 Portable Partially Filled Pipe Flow Meter - ultraflowmeter

    The Ultrasonicl Flowmeter can record data of flow rate and total flow with a SD card up to 16GB. The Doppler Open channel flowmeter can calculate the cross-sectional area of partially filled pipe, open channel stream or river, for stream or river, The Ultrasonic Flowmeter can input up to 20 coordinate points describing the river's shape of cross section.It is suitable for variou applications.

    Get Price
  • Flow in open channels - Columbia University

    Flow in open channels. ... in many cases, friction does play a big role in stream flow, so we ... (Roughness of a stream) flow in a channel is described by Manning's equation : R H =wh/(2h+w): Hydraulic radius k=1 m 1/3 s-1 S: slope n: roughness coefficient. for open channels and using 4*the hydraulic radius for the diameter D, the transition ...

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  • How to Choose a Flow Meter – Flowma

    An open channel flow meter is a flow meter which installed to measure flow in an open channel system, such as canal, river, trench. Basically, an open channel flow meter measures the flow velocity by considering the surface height. For the measurement of flow velocity, it can be done by using transit time flow meter or Magnetic flow meter.

    Get Price
  • 3.2 Topic 8: Open Channel Flow - University of Texas at Austin

    Normal depth is the depth of uniform flowin an prismatic open channel. Since the flow is uniform, the depth and discharge are related through Manning’s equation with Sf = So. 3.15 Given Q, n, A(y), Rh(y) and So: solve for yn Waves (Small Disturbances) in a Moving Stream …

    Get Price
  • Rectangular Open Channel Flow and Hydraulic Design

    In our rectangular open channel flow calculation, most of the combinations of inputs have analytic (closed form) solutions to compute the unknown variables; however, two require numerical solutions ('Enter Q, n, S, y' and 'Enter Q, n, S, b'). Our numerical solutions utilize a cubic solver. All of our calculations utilize double precision.

    Get Price
  • Open channel flow measurement devices

    Open channel flow meter working Principle: Liquid flow is based on the principle of energy. Two types of energy govern flow in open …

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  • Wastewater Flow Measurement - US EPA

    2.6 Open Channel Flow Measurements . Measurement of wastewater flow in open channels is the most frequently encountered situation during field investigations. The most commonly encounteredmethods in measuring open channel wastewater flows …

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  • Weirs and Flumes Flow Measurement - InstrumentationTools

    Weir Open Channel Flow Meter. The following photograph shows water flowing through a Cippoletti weir made of 1/4 inch steel plate: At a condition of zero flow through the channel…

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  • Using a water level data logger to determine stream flow

    Onset does not currently offer a flow data logger. Water level data loggers, however, are commonly used to determine stream flow over time and 'peak discharge.' ('Discharge' is another way of saying the flow volume through the stream, typically in CFS or cubic feet per second.)

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  • Waterways - OpenStreetMap Wiki

    A difference is made between Open-channel flow (free flow) and Pipe flow waterways. river, canal, ditch are open-channel features with different purposes while pressurised is intended to be used where water flows under pressure without air in the conduit, such as in a man_made = pipeline or tunnel = flooded.

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