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Top News In கடல்சார்வியல் ப்ரோக்ர்யாம் Today - Breaking & Trending Today

Sea-level rise drives wastewater leakage to coastal waters

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IMAGE: High tide nuisance flooding in Māpunapuna is a hazard to vehicular and pedestrian traffic.
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Credit: Trista McKenzie
When people think of sea level rise, they usually think of coastal erosion. However, recent computer modeling studies indicate that coastal wastewater infrastructure, which includes sewer lines and cesspools, is likely to flood with groundwater as sea-level rises.
A new study, published by University of Hawai i (UH) at Mānoa earth scientists, is the first to provide direct evidence that tidally-driven groundwater inundation of wastewater infrastructure is occurring today in urban Honolulu, Hawai i. The study shows that higher ocean water levels are leading to wastewater entering storm drains and the coastal ocean creating negative impacts to coastal water quality and ecological health. ....

United States , Trista Mckenzie , Henrietta Dulai , Shellie Habel , University Of Hawaii , School Of Ocean , Hawaii State Climate Commission , Earth Science , Climate Science , Hydrology Water Resources , Climate Change , ஒன்றுபட்டது மாநிலங்களில் , ட்ரிஸ்டா மகெந்ஸீ , ஹென்றிட்டா துலை , ஷெல்லி பேல் , பல்கலைக்கழகம் ஆஃப் ஹவாய் , பள்ளி ஆஃப் கடல் , ஹவாய் நிலை காலநிலை தரகு , பூமி அறிவியல் , காலநிலை அறிவியல் , ஹைட்ராலஜி தண்ணீர் வளங்கள் , காலநிலை மாற்றம் ,

What we can learn from the world's biggest waves

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IMAGE: Some of the devastation in Fukushima as a result of the 2011 Japan tsunami, which killed over ten thousand people.
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Credit: Shutterstock
Alaska is renowned for its postcard pretty mountains, vast spaces and massive earthquakes.
But not many people know the highest tsunami wave ever accurately measured - at 524-metres - occurred in Alaska.
It happened 63 years ago during a tsunami - an unusual wave that is usually generated by either a large undersea earthquake; volcanic eruptions; landslides that fall into the sea or that occur underwater; and asteroids.
Evidence of the destruction caused by the Lituya Bay, Alaska tsunami can still be seen from space. ....

Indian Ocean , United States , Lituya Glacier , Prince William Sound , United Kingdom , Lituya Bay , South Africa , Aleutian Islands , Sri Lanka , New Zealand General , New Zealand , James Goff , Walter Dudley , Cook Strait , Vivian Swanson , University Of Hawaii , Oxford University Press , Sustainability Research Centre , Honorary Professor Of Tsunami Research , Oxford University , Honorary Professor , Tsunami Research , Professor James Goff , Greatest Waves , Emeritus Prof , Marine Geology ,

Saint Helena Forum returns with webinar on restoring the world's oceans | News

One year after postponing its inaugural conference due to the pandemic, the Saint Helena Forum is returning in virtual form.
âRestoring Our Oceans in One Generationâ is the topic of a free webinar on 5:30 p.m. Wednesday, March 24, featuring Alexandra Cousteau, president and co-founder of Oceans 2050 and daughter of famed explorer Jacques Cousteau, in conversation with Meaghan Brosnan, director of the WILDAID Marine Program.
The discussion, chaired by Forum President Doug Barr, will center on mitigating damage to the worldâs oceans caused by pollution and overfishing.
Support local news coverage and the people who report it by subscribing to the Napa Valley Register. ....

Jesse Duarte , Martha Graham Dance Company , Helena Performing Arts Center , Helena Asset Planning , Helena Star , St Helena Forum , Alexandra Cousteau , Meaghan Brosnan , Oceans 2050 , Climate Change , Doug Barr , ஜெஸ்ஸி ட்வார்டே , மார்த்தா கிரஹாம் நடனம் நிறுவனம் , ஹெலினா நிகழ்த்துகிறது கலைகள் மையம் , ஹெலினா சொத்து திட்டமிடல் , ஹெலினா நட்சத்திரம் , ஸ்டம்ப் ஹெலினா மன்றம் , அலெக்சாண்ட்ரா கூஸ்டியோ , மேஅகங் ப்ரோஸ்னன் , காலநிலை மாற்றம் , டக் பார் ,

'Lost' ocean nanoplastic might be getting trapped on coasts

As plastic debris weathers in aquatic environments, it can shed tiny nanoplastics. Although scientists have a good understanding of how these particles form, they still don t have a good grasp of where all the fragments end up. Now, researchers reporting in ACS ....

United States , Poitou Charentes , Julien Gigault , Environmental Science Technology , Us Congress , French Agency For Research , American Chemical Society , Environmental Science , French Caribbean , French Agency , Fisheries Aquaculture , Biomedical Environmental Chemical Engineering , Marine Freshwater Biology , Pollution Remediation , Chemistry Physics Materials Sciences , ஒன்றுபட்டது மாநிலங்களில் , சுற்றுச்சூழல் அறிவியல் தொழில்நுட்பம் , எங்களுக்கு காங்கிரஸ் , அமெரிக்கன் இரசாயன சமூகம் , சுற்றுச்சூழல் அறிவியல் , பிரஞ்சு கரீபியன் , மீன்வளம் மீன் வளர்ப்பு , உயிர் மருத்துவ சுற்றுச்சூழல் இரசாயன பொறியியல் , கடல் நன்னீர் உயிரியல் , பொல்யூஶந் பரிகாரம் , வேதியியல் இயற்பியல் பொருட்கள் அறிவியல் ,

Rise of marine predators reshaped ocean life as dramatically as sudden mass extinctions

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IMAGE: A seminal 1981 study organized the a history of ocean life into three hierarchies, with certain animals reigning the seas during each time periods. Two mass extinctions cleared the way.
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Credit: Jeff Gage/Florida Museum of Natural History
GAINESVILLE, Fla. - Evolutionary arms races between marine animals overhauled ocean ecosystems on scales similar to the mass extinctions triggered by global disasters, a new study shows.
Scientists at Umeå University in Sweden and the Florida Museum of Natural History used paleontological databases to build a multilayered computer model of the history of marine life over the last 500 million years. Their analysis of the fossil record closely echoed a seminal 1981 study by paleontologist J. John Sepkoski - with one key difference. ....

United States , University Of Florida , Florida Museum Of Natural History , J John Sepkoski , Alexis Rojas , Martin Rosvall , Michal Kowalewski , Joaquin Calatayud , Magnus Neuman , Science Lab , Florida Museum Thompson , Florida Museum , Natural History , Integrated Science Lab , Florida Museum Thompson Chair , Google Earth , Mesozoic Marine Revolution , Marine Freshwater Biology , Population Biology , Multimedia Networking Interface Design , ஒன்றுபட்டது மாநிலங்களில் , பல்கலைக்கழகம் ஆஃப் புளோரிடா , புளோரிடா அருங்காட்சியகம் ஆஃப் இயற்கை வரலாறு , அலெக்சிஸ் ரோஜாஸ் , மேக்னஸ் நியூமன் , அறிவியல் ஆய்வகம் ,