(Press-News.org) MINNEAPOLIS/ST. PAUL (08/04/2025) — Large surface waves produced by powerboats are a mainstay for recreational watersports. A new study from the University of Minnesota Twin Cities shows that beneath the surface, factors such as propeller thrust and other types of waves can impact delicate lakebed ecosystems.
Researchers at the University of Minnesota's St. Anthony Falls Laboratory built on previous research to study the effects of powerboats on lake ecosystems over the 2022 and 2023 field seasons. The team placed acoustic-based sensors that measured pressure and velocities through the water column and at the lake bottom at two different locations and at two different depths. They also collected sediment samples and data on various water quality parameters.
The researchers tested seven recreational powerboats commonly used in Minnesota’s lakes and rivers based on their two most-used settings. For non-wakeboats: displacement mode/leisure cruise and planing mode/cruising. For wakeboats: semi-displacement mode/surfing and cruising. The boats were driven directly over the measurement sensors five times for each operational condition.
The study, published in the University Digital Conservancy, found:
All powerboats produce water currents and turbulence that can disturb the lakebed.
More powerful turbulence from wakeboats can directly resuspend sediments in the water. This can indirectly lead to release of nutrients like phosphorus from sediment that can stimulate excessive algae growth, which adversely impacts lakes.
All powerboats, when leisurely cruising or planing, should operate in 10 feet of water or greater to minimize impacts caused by motions generated by a boat’s hull.
During surfing, wakeboats should operate in depths of 20 feet or greater to minimize negative impacts on the lake environment.
“For all motorized boats, simply being careful about where you steer your boat and avoiding shallow spots can make a huge difference,” said Jeff Marr, co-author on the study and associate director of engineering and facilities at the St. Anthony Falls Lab in the University of Minnesota College of Science and Engineering. “Staying in deep water when you're out on the water — especially when wakeboarding or surfing — is an easy and effective way to enjoy and protect our waterways. Also, give space between your boat and other boaters and the shoreline."
Fieldwork for the final phase of the research will conclude in fall 2025. This project phase will examine how wind-driven waves differ from wake waves produced by recreational boats, including their impacts on the lake environment.
Research partners from the St. Anthony Falls Lab include Andrew Riesgraf, William Herb, Matthew Lueker and Jessica Kozarek.
The study was supported by a University of Minnesota crowdfunding campaign with more than 200 donors. Additional funding was provided by the Environmental Natural Resources Trust Fund (ENRTF) as recommended by the Legislative-Citizen Commission on Minnesota Resources (LCCMR).
about this study in the Frequently Asked Questions from the St. Anthony Falls Laboratory.
END
New study: Powerboats can impact lakes below the surface
Researchers recommend operating boats in deep water to minimize negative impacts
2025-08-04
ELSE PRESS RELEASES FROM THIS DATE:
Plan, prepare, conquer: predicting mountain accident risks with deep learning and pre-climb data
2025-08-04
Japan is famous for its beautiful mountain landscapes as well as for the challenges it offers to avid mountaineers. However, these mountains can get so treacherous that Japan actually records one of the highest numbers of mountain accidents globally. In fact, Japan had 3,126 mountain accidents in 2023, the highest annual total since 1961.
In particular, Nagano Prefecture, which has many mountains popular among climbers, is one of the regions with a high number of mountaineering accidents due to its ...
New ancient marine reptile species discovered in Germany's famous Jurassic fossil beds
2025-08-04
Paleontologists have identified a new species of ancient marine reptile from Germany's world-renowned Posidonia Shale fossil beds, expanding our understanding of prehistoric ocean ecosystems that existed nearly 183 million years ago.
The newly classified species, named Plesionectes longicollum ("long-necked near-swimmer"), represents a previously unknown type of plesiosauroid—the group of long-necked marine reptiles that inhabited Earth's oceans during the age of dinosaurs. The specimen is a nearly complete skeleton that even preserves remnants of fossilised soft ...
Psychedelics and non-hallucinogenic analogs work through the same receptor, up to a point
2025-08-04
nderstanding exactly how psychedelics promote new connections in the brain is critical to developing targeted, non-hallucinogenic therapeutics that can treat neurodegenerative and neuropsychiatric diseases. To achieve this, researchers are mapping the biochemical pathways involved in both neuroplasticity and hallucinations.
In new research led by the University of California, Davis, researchers found that non-hallucinogenic versions of psychedelic drugs promote neuroplasticity through the same biochemical pathway as psychedelics. ...
The Lancet: Plastic pollution is an underrecognised threat to health, experts warn as they launch a project to track plastics’ health impacts and monitor progress
2025-08-03
The Lancet: Plastic pollution is an underrecognised threat to health, experts warn as they launch a project to track plastics’ health impacts and monitor progress
Ahead of the expected finalisation of an UN global plastics treaty [1], a group of international experts call for a greater focus on health impacts when considering plastic pollution. The Health Policy published in The Lancet reviews the current evidence on how plastics – including microplastics and plastic chemicals - impact health and announces the launch of a new project tracking ...
The Lancet Countdown on Health and Plastics to track impact of plastic production and pollution on human health
2025-08-03
Chestnut Hill, Mass. (8/4/2025) – With the latest round of negotiations to finalize a United Nations global plastics treaty set to begin, a group of international researchers, writing in the most recent edition of The Lancet, have called for greater vigilance and regulation to curb the health impacts of plastic pollution and have announced a new project to track these impacts.
An estimated 8 billion metric tons of plastic waste now pollute the planet. Across their lifecycle, plastics – including plastic chemicals - result in a range of adverse health outcomes, the researchers write in a Health Policy ...
Announcing The Lancet Countdown on Health and Plastics
2025-08-03
A new report published in The Lancet issues a fresh clarion call: plastic pollution is a grave and growing danger to human and planetary health. As Ministers and diplomats arrive in Geneva for the final round of talks to conclude a global plastics treaty, the report provides the most up-to-date assessment of the links between health and plastic pollution across the full life cycle of plastic.
An estimated 8 billion metric tons of plastic waste now pollute the planet. Micro- and nanoplastic particles and multiple plastic chemicals are found in ...
Study unexpectedly finds living in rural, rather than urban environments in first five years of life could be a risk factor for developing type 1 diabetes
2025-08-01
New research to be presented at this year’s Annual Meeting of the European Association for the Study of Diabetes (EASD) in Vienna, Austria (15-19 September) suggests that living in a rural environment in the first five years of life could increase the risk of developing type 1 diabetes compared with living in urban environments. The study is by Samy Sebraoui and Professor Soffia Gudbjornsdottir, University of Gothenburg, Sweden, and colleagues.
Type 1 diabetes (T1D) is a chronic autoimmune disease where the body's immune system mistakenly attacks and destroys insulin-producing cells in the pancreas, called beta cells. This ...
Editorial urges deeper focus on heart-lung interactions in pulmonary vascular disease
2025-08-01
DENVER - A new editorial published in Comprehensive Physiology underscores the critical importance of understanding heart-lung interactions in pulmonary vascular disease (PVD). Tim Lahm, MD, a pulmonologist and researcher at National Jewish Health, along with a team of esteemed colleagues from institutions across the country, urges the scientific community to confront the major knowledge gaps that hinder progress in improving patient outcomes. The editorial, titled "Towards a Better Understanding of Heart-Lung Interactions in Pulmonary ...
Five University of Tennessee faculty receive Fulbright Awards
2025-08-01
Five faculty members at the University of Tennessee, Knoxville — Christopher Cherry, Virginia Corrigan, Bernard Issa, Hector Pulgar and Tong (Toni) Wang — have been selected to receive Fulbright U.S. Scholar Program awards for the 2025-26 academic year from the U.S. Department of State and the Fulbright Foreign Scholarship Board.
Fulbright U.S. Scholars are faculty, researchers, administrators and established professionals teaching or conducting research in affiliation with institutes abroad. Fulbright Scholars engage in ...
5 advances to protect water sources, availability
2025-08-01
Water is an essential requirement for life on Earth — it supports everything from cellular processes to ecosystems. Five papers published in ACS journals provide new insights to help protect natural water sources and ensure that more people have access to safe drinking water. Reporters can request free access to these papers by emailing newsroom@acs.org.
Reducing salt contamination of tidal rivers. Across the globe, the saltwater portion of tidal rivers — which rise and fall with the ocean tides — has been traveling farther upstream in the last few decades. Researchers publishing in Environmental ...
LAST 30 PRESS RELEASES:
Trailblazing Young Scientists honored with $250,000 prizes at Blavatnik National Awards Gala
Revolutionary blood test for ME / Chronic Fatigue unveiled
Calorie labelling linked to 2% average reduction in energy content of menu items
Widely prescribed opioid painkiller tramadol not that effective for easing chronic pain
Exercise snacks may boost cardiorespiratory fitness of physically inactive adults
15,000 women a year with breast cancer could benefit from whole genome sequencing, say researchers
Study highlights risks of Caesarean births to future pregnancies
GLP-1 agonists pose emerging challenge for PET-CT imaging, study finds
Scripps Research scientists unlock new patterns of protein behavior in cell membranes
Panama Canal may face frequent extreme water lows in coming decades
Flash Joule heating lights up lithium extraction from ores
COMBINEDBrain and MUSC announce partnership to establish biorepository for pediatric cerebrospinal fluid and CNS tissue bank
Questionable lead reporting for drinking water virtually vanished after Flint water crisis, study reveals
Assessing overconfidence among national security officials
Bridging two frontiers: Mitochondria & microbiota, Targeting Extracellular Vesicles 2025 to explore game-changing pathways in medicine
New imaging tech promises to help doctors better diagnose and treat skin cancers
Once dominant, US agricultural exports falter amid trade disputes and rising competition
Biochar from invasive weed shields rice from toxic nanoplastics and heavy metals
Rice University announces second cohort of Chevron Energy Graduate Fellows
Soil bacteria and minerals form a natural “battery” that breaks down antibiotics in the dark
Jamestown colonists brought donkeys, not just horses, to North America, old bones reveal
FIU cybersecurity researchers develop midflight defense against drone hijacking
Kennesaw State researcher aims to discover how ideas spread in the digital age
Next-generation perovskite solar cells are closer to commercial use
Sleep patterns linked to variation in health, cognition, lifestyle, and brain organization
University of Oklahoma researcher awarded funding to bridge gap between molecular data and tissue architecture
Nationally-recognized pathologist Paul N. Staats, MD, named Chair of Pathology at University of Maryland School of Medicine
The world’s snow leopards are very similar genetically. That doesn’t bode well for their future
Researchers find key to stopping deadly infection
Leafcutter ants have blind spots, just like truck drivers
[Press-News.org] New study: Powerboats can impact lakes below the surfaceResearchers recommend operating boats in deep water to minimize negative impacts