#Limouzi

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Murat & Eleonora 4/4 Tango Limouzi Weekend, France. 2022

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Summer vibes 🌾🌞 #Summer #Limouzi #Limousin #Home #Wheatfeild #DoréCommeLesBlés #France (à Veyrac)

[mindblowingscience]

The US’s worst ever oil spill, at a BP rig a decade ago, may have been almost a third larger than previously thought. The finding, published today, comes as the oil giant launched a new bid to burnish its environmental credentials.

The Deepwater Horizon disaster in 2010 saw nearly 800 million litres of oil spilled into the Gulf of Mexico, which satellite tracking suggested covered an estimated 149,000 square kilometres. But an analysis suggests that the real extent of the spill may have been 30 per cent greater, because much of the oil was invisible to satellites. The study also found that the oil extended much deeper than satellites had detected, with toxic concentrations 1.3 kilometres down.

A US team arrived at this estimate using data from 25,000 samples of water and sediment from the area, much of it only released in recent years by BP, in addition to satellite and aerial images. It used these to model how far the oil is likely to have spread, accounting for ocean currents, temperature and the biodegradation of oil.

The results suggest the spill reached as far as the West Florida shelf, Texas shores and Florida Keys. “The environmental damage extends substantially beyond what was previously estimated both in space and time,” says Claire Paris-Limouzy at the University of Miami, Florida.

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Limouzi’s friends 

[sciencenewsforstudents]

Nearly a decade after the Deepwater Horizon oil spill in the Gulf of Mexico, computer simulations suggest that the toxic pollution extended much farther than satellite images first indicated.  

Those images, taken after the spill dumped nearly 800 million liters of oil into Gulf waters, helped to determine which areas would be temporarily closed for fishing (SN: 4/3/15). Scientists’ observations since then had suggested that the oil had spread farther (SN: 7/31/14).

The new analysis confirms that fact with computer simulations, which considered ocean currents, oil evaporation and other factors to map the spill’s true expanse. Satellites appear to have overlooked at least 30 percent of the hazardous pollution, says biological oceanographer Claire Paris-Limouzy of the University of Miami.

The simulations uncovered vast ocean swaths where oil concentrations were high enough to endanger marine life, but dilute enough to have been overlooked by satellites, Paris-Limouzy and colleagues report online February 12 in Science Advances.  Water and sediment samples from around the Gulf supported the findings.

Satellite images had shown oil mostly in a northern and central patch of the Gulf. But the simulations suggest toxic levels of oil pollution cast a much wider stain on the ocean. Fishery closures covered about 94 percent of the polluted region observed by satellites, but only about 70 percent of the hazardous area identified by the new analysis — missing spots near Texas and Florida. Some of those waters remained closed to fishing for years.

Computer simulations could similarly estimate toxic but invisible portions of future oil spills, providing better guidance on where to close fisheries or send cleanup crews.

Where the oil went

In the immediate aftermath of the Deepwater Horizon spill, satellite observations that could detect high oil concentrations (brown) helped determine where to close fisheries in the Gulf of Mexico (black dashed line). But computer simulations of the spill indicate that lower oil concentrations invisible to satellites but still toxic to marine creatures (yellow) crept outside the boundaries of the fishery closures. Meanwhile, even lower, nontoxic levels of oil pollution (blue) spread even more widely.

CREDIT: I. BERENSHTEIN ET AL/SCIENCE ADVANCES 2020

[stevemaclellan]

Claire Paris-Limouzy, a professor of ocean sciences at the University of Miami Rosenstiel School and co-author of the study, told CNN the spill was about 30% larger than estimated. It reached the Texas shore, the Florida Keys, the coast of Tampa and parts of the east coast of Florida, according to the study.

At some point, 22, 9270 square kilometres (88,522 square miles) of the Gulf of Mexico were closed to fishing because of the spill, according to a federal report on the oil spill.

[christal1-blog1]

LIMOUZI!!! #limousin #vassiviere #hautevienne #countryphotography #regionlimousin #limouzi #cril #ballade #nature

[antikorg]

S'organiser contre les mégabassines - La bogue

S’organiser contre les mégabassines – La bogue

2022-02-16 20:25:48 Source En vue de préparer, d’organiser et coordonner régionalement la prochaine manifestation contre les bassines des 25, 26 et 27 mars, la Confédération paysanne, Les Soulèvements de la Terre et Les Amis de la Conf’ Limouzy ainsi qu’ ATTAC 87 ont programmé une réunion d’information le jeudi 24 février en soirée au siège du CIRA, 64, avenue de la Révolution (tout près de la…

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Jacques Limouzy, ancien secrétaire d'Etat et maire de Castres, est mort https://ift.tt/3EVeVTU

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African limouzi by Locheb le V 2 soleil est muet https://flic.kr/p/2kKscTu

[yeskraim]

Deepwater Horizon spill may have been 30 per cent bigger than thought

Environment 12 February 2020

By Adam Vaughan

Satellites are used to assess oil spills and guide their clean-up

Kris Krüg/Getty Images

The US’s worst ever oil spill, at a BP rig a decade ago, may have been almost a third larger than previously thought. The finding, published today, comes as the oil giant launched a new bid to burnish its environmental credentials.

The Deepwater Horizon disaster in 2010 saw nearly 800 million litres of oil spilled into the Gulf of Mexico, which satellite tracking suggested covered an estimated 149,000 square kilometres. But an analysis suggests that the real extent of the spill may have been 30 per cent greater, because much of the oil was invisible to satellites. The study also found that the oil extended much deeper than satellites had detected, with toxic concentrations 1.3 kilometres down.

A US team arrived at this estimate using data from 25,000 samples of water and sediment from the area, much of it only released in recent years by BP, in addition to satellite and aerial images. It used these to model how far the oil is likely to have spread, accounting for ocean currents, temperature and the biodegradation of oil.

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The results suggest the spill reached as far as the West Florida shelf, Texas shores and Florida Keys. “The environmental damage extends substantially beyond what was previously estimated both in space and time,” says Claire Paris-Limouzy at the University of Miami, Florida.

Dolphin deaths

While these previously undetected hydrocarbons weren’t picked up by satellites, they were found at levels “potentially lethal and sublethal” to marine organisms at different depths. “The impact on marine life was, and still is, larger than expected,” says Paris-Limouzy. The spill has been linked to deaths of dolphins, lobsters and smaller animals such as sea cucumbers.

While the researchers say their analysis should change perceptions of the disaster and the risk from future spills, they note that satellites are still the quickest, main way of detecting oil spills and directing clean-ups.

The Deepwater Horizon crisis has cost BP more than $65 billion. On Wednesday the company said the spill had “tested us to the core”, as it announced plans to reduce its carbon footprint to net zero by 2050. “If BP is really ‘green’, its leadership should continue efforts to assess the long-term impact and restore the Gulf of Mexico,” says Paris-Limouzy.

Journal reference: Science Advances, DOI: eaaw8863

More on these topics:

Deepwater Horizon

oil

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[guyhoquet-blog]

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[hortushorrei]

April leaves: Briza media 'Limouzi'. A gift from Stephanie Mahan. I have never known a grass with so many common names. Thank you Wikipedia for your amusing and interesting botanical pages. #brizamedia #perennialgrasses #poaceae #quakinggrass #commonquakinggrass #cowquake #didder #ditheringgrass #doddergrass #dodderingdillis #doddlegrass #earthquakes #jigglejoggles #jockeygrass #ladyshair #maidenhairgrass #pearlgrass #quakers #quakersandshakers #shakinggrass #tottergrass #wagwantons #gardening #readingretreatsinruralitaly #lamacchinafissa (presso La Macchina Fissa) https://www.instagram.com/p/Bv9Y8rNBfyQ/?utm_source=ig_tumblr_share&igshid=yvyo2n4m6l5v

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[newwaveswimbuoy]

from @pierre_peladeau . . Dernière session natation en lac avant le défi improvisé de cette année. #swim #natation #lac #saintpardoux #limousin #limouzi #igersfrance ... #NewWaveSwimBuoy #triathlon #swimbikerun #triathlete #tri #triathlontraining #trilife #ironmantraining #ironmantri #tritraining #natacao #nadapedalacorre #triatleta #tri365 #top_triathletes #thetrihood #triathletes #halfironman #triathlonlife #openwaterswimming #ironmantriathlon #swimrun #roadtoironman — view on Instagram http://bit.ly/2wPi7l3