About The Illinois State Water Survey

Watershed Science

Vibrocoring Sediment

Project Staff

Kip Stevenson, PI

Atticus Zavelle

Vibrocoring is an effective method for obtaining samples from thick sediment deposits. Vibrocoring produces a relatively undisturbed core with sufficient volume to satisfy the needs of almost any combination of laboratory analyses. The vibrocoring system is a model P-3c manufactured by Rossfelder Corporation of Ponway, California. The vibrocoring unit is submersible, weighs 150 pounds, and is powered by a three phase, 240-volt 60Hz generator. For the core tube the Water Survey system utilizes a 10-foot section of schedule 5 black iron pipe with a diameter of 4inches and lined with a HDPE liner. Cores can be split horizontally and processed for chemical and biological characteristics.

 

Vibrocore rig on water

The vibrocore rig consists of an 18’ tetrapod structure mounted on a 23’ pontoon boat.

A winch/cable system is utilized for raising and lowering the vibrohead through a moonpool in the deck of the pontoon boat.

Tech with core split horizontally

A 10’ sediment core split horizontally in order to subsample various sediment layers.

Split Core

A split sediment core showing contrast between silt and sand layers.

 

Contact

Kip Stevenson, 217-300-3476

Illinois State Water Survey

2204 Griffith Dr., MC-674
Champaign, IL 61820-7463
217-244-5459
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