The DH-48 a lightweight sampler for collection of suspended sediment samples where wading rod suspension is used.
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|401-001||DH-48 depth integrated sediment sampler||
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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
[caption id="attachment_27967" align="alignright" width="320"] Jason-3 sea level residuals on 12/07/2017. (Courtesy: NASA/JPL-Caltech.)[/caption] El Niño and La Niña are recurrent warming and cooling patterns in the tropical Pacific Ocean that affect weather patterns around the world. While El Niño tends to spring up due to a random wind change in the tropical Pacific, La Niña often follows on El Niño’s heels, cooling the tropical Pacific Ocean, causing drought conditions across the southern tier of the US. How long drought will persist due to La Niña is an important question for every community that suffers from extremely dry conditions.Read More
It's a fact that every resident of every state has a vested interest in water quality issues and the management of natural resources. However, too often the challenges posed by natural resource management are met by various battling groups of stakeholders with apparently different interests. The United States Department of Agriculture (USDA) is funding a research project called, “Securing Water for and From Agriculture Through Effective Community and Stakeholder Engagement,” and its participants are hoping that what they learn about achieving buy-in from various stakeholders and the community involvement that follows can help resolve some of these repeating conflicts.Read More