The DH-48 a lightweight sampler for collection of suspended sediment samples where wading rod suspension is used.
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Will the Rickly DH-48 Integrated Sediment Sampler allow us to measure the rate at which sediment is flowing into our lake from its main tributary?
The Rickly DH-48 depth-integrated sediment sampler is designed to take continuous suspended-sediment samples. When used alone, this sampler will only measure a concentration, and not a flow rate. It is lowered from the water's surface to the bottom and raised again at a constant rate of speed to collect a depth-integrated suspended-sediment sample. The sediment-to-fluid volume can be measured to determine concentration. If it is used with a flow meter, or a velocity and depth sensor, sediment flow can be calculated.
A deep water reef off the coast of a small island in the Dutch Caribbean will be explored at depths yet to be seen by scientists, according to a press release from the Netherlands’ Wageningen University .
The researchers will be mapping biodiversity and collecting samples from reefs off the coast of Bonaire. They plan to travel as deep as 300 meters to observe the biodiverse and mostly unexplored reefs.
A submersible from Bonaire’s Curacao Public Aquarium will take researchers down to do their observations. The sub's sediment core sampler will help the team analyze sediment in the reefs.
Biological samples will be analyzed and their DNA will be coded in a molecular lab in the Netherelands’ Naturalis Biodiversity Center.Read More
The oil industry is sometimes viewed as an enemy of conservation. But it was the oil industry that enabled the founding of Archbold Biological Station , one of the members of the Organization of Biological Field Stations (OBFS) . Descended from John Dustin Archbold, President of Standard Oil of New Jersey, Richard Archbold used his private wealth to further the cause of field research and education. He became an explorer, aviator and perhaps most importantly, a research associate with the American Museum of Natural History. He established Archbold Biological Station in 1941 after the father of his friend Donald Roebling (from a famous family himself), donated 1,058 acres of pristine land in the heart of Florida to further Archbold’s research dreams.Read More
This summer, Michigan Technical University unveiled a new Marine Autonomy Research Site , located at the waterfront Great Lakes Research Center . The site is part of an ongoing push to advance autonomy in the marine industry and to help take humans out of the equation when research on the water is dull, dirty and/or dangerous. Dr. Guy Meadows , director of the Great Lakes Research Center (GLRC), spoke to EM about the site.
“The project is an initiative of the eight Great Lakes Governors and two premiers of Canada,” explains Dr. Meadows. “The goal is to try and leverage autonomy in the land sector into both the aviation and the marine sector, and we are trying to play a role in that marine sector.Read More