Emriver River Models
& Flumes

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Em4

Em3

Our founder originally designed a river process model for teaching stakeholders difficult concepts of stream management. Since their inception and further development, our models have been used as powerful tools for classrooms, research labs, and outreach programs. Our river model users include universities, museums, elementary schools, middle schools, high schools, government agencies, non-profits, research labs, and more.

Our Em2, Em3, and Em4 process models are great tools for teaching concepts about rivers and beaches. This type of process model is often called a stream table. We have developed several mixes of unique plastic sand, and they serve as the modeling media in our stream table river models.

The models are excellent at teaching the effects of river disruption, such as channelization, gravel mining, changes in land use, and restoration. It is hands-on learning that all types of students can benefit from. You can also observe natural river processes, such as sediment transportation and erosion. For examples of classroom activities and labs, see our Applications Pages.

Em4	specifications
Dimensions	3.7 m x 1.2 m (12 ft x 3.9 ft)
Portability	Moveable, but not easily portable
Water	265 L (70 gal)
Media Amount	163 kg (360 lb)
Media Type	Color-coded
Base Options	Static, single, and dual-tilt
System Also Includes	Reservoirs, pump, power supply, flow controller. Modeling accessories: measuring tape, quartz and plastic stones and rocks, acrylic shapes to simulate culverts, plastic vegetation, dye injection bottles for visualizing flow, scoops, and scrapers. User and laboratory manual, river geomorphology DVD.

Em3	specifications
Dimensions	3 m x 1 m (9.8 ft x 3.2 ft)
Portability	Moderately portable Can be powered with a deep-cycle 12V battery.
Water	151 L (40 gal)
Media Amount	108 kg (240 lb)
Media Type	Non color-coded (can upgrade to color-coded)
Base Options	Static, single or dual tilt
System Also Includes	Reservoirs, pump, power supply, flow controller. Modeling accessories: Measuring tape, quartz and plastic stones and rocks, acrylic shapes to simulate culverts, plastic vegetation, dye injection bottles for visualizing flow, scoops, and scrapers. User and laboratory manual, river geomorphology DVD.

Em2	specifications
Dimensions	1.9 m x 0.8 m (6.2 ft x 2.6 ft)
Portability	Very portable. Can be powered with a deep-cycle 12V battery. Can be stored in one square meter of floor space
Water	102 L (27 gal)
Media Amount	68 kg (150 lb)
Media Type	Non color-coded (can upgrade to color-coded)
Base Options	Static
System Also Includes	Reservoir, pump, power supply, flow controller. Modeling accessories: Measuring tape, quartz and plastic stones and rocks, acrylic shapes to simulate culverts, plastic vegetation, dye injection bottles for visualizing flow, scoops, and scrapers. User and laboratory manual, river geomorphology DVD.

Emflume1	specifications
Dimensions	55.8 cm x 9.4 cm x 15.2 cm (working section) (22 in x 3.7 in x 6 in)
Portability	Small and portable, fits on a desktop, 65 lb (29 kg) dry weight.
Water	23 L (6 gal)
Media Amount	6.8 kg (15 lb)
Media Type	Color-coded
Other Features	Efficient and quiet ducted-propeller.
System Also Includes	Electronic flow controller for variable flow rates. Tilt system allows +/- 2.5 degrees of vertical tilt. Closed-cell foam hydraulic shapes, pitot tube. User and laboratory manual.

​Emriver River Models & Flumes

Em4

Em3

Em2

Emriver River Models
& Flumes