Sentences with phrase «by oceanographers»

The dead zone's return was discovered by oceanographers at Oregon State University, who deployed robotic underwater gliders and other monitoring devices over the past few months to assess oxygen levels in the water.They discovered that oxygen levels on reefs previously devastated by past dead zones had dropped to 0.5 mL / L by the end of June — a far cry from the 1.4 mL / L level considered to be hypoxic for most marine life.

This notion has been thoroughly debunked by oceanographers and biologists — see Falkowski, Chisholm, etc..

This system is little understood by physicists and computer programmers — but has been known about by oceanographers and hydrologists for decades.

The CAML / SCAR - MarBIN «area of interest» is the Southern Ocean in its widest sense, as used by oceanographers [1]--[4].

And the relatively miniscule geothermal heat flow has been long rejected as a credible climate driver by oceanographers who actually measure such flows.

Her work immediately brought to mind the ceramics of Joan Lederman, an artist in Woods Hole, Mass., who creates glazes from seafloor sediments retrieved by oceanographers roaming the world from the nearby Woods Hole Oceanographic Institution:

I am curious to know how the Navy's methods during war time (or even in rough seas) compare with the meticulous methods used by oceanographers (Woods Hole oceanographers, at least):

Ofcom also partly upheld similar complaints by oceanographer Carl Wunsch and the Intergovernmental Panel on Climate Change.

The shipwreck's resting place — about 12,500 feet deep off the eastern coast of the United States — was originally identified by a 1985 expedition led by the oceanographer Robert Ballard, and in July 1986 he and his colleagues went back for a closer look.

1 One proposal, first suggested in the late 1980s by oceanographer John Martin of the Moss Landing Marine Laboratories in California, involves seeding ocean surfaces with iron to promote phytoplankton blooms that will soak up carbon dioxide, eventually exporting it into the deep ocean.

Research in 2008 led by oceanographer Natalia Shakhova, now at the University of Alaska Fairbanks, estimated the thawing shelf could release a 50 - gigaton pulse of methane from hydrates over 10 years — about 8 percent of the methane stored in the shelf's sediments.

, an unsettling facts - about - giant - squids piece hosted by oceanographer Scott Cassell; «The Musical Legacy of Paul Smith» (11 mins.)

Visible from space, the hole is a relic of past ice ages and was made famous by the oceanographer Jacques - Yves Cousteau.

With its historic lighthouse and it unmatched beauty, Half Moon Caye is near to the famous «Blue Hole» scientifically examined by oceanographer Yves Jacques Costeau.

But he wondered if giant zooplankton migrations could also be involved — an idea first proposed by oceanographer Walter Munk in 1966, and since then debated but never systematically explored.

Though the eddies were mentioned as early as 1793 by Jonathan Williams, a grandnephew of American scientist and statesman Benjamin Franklin, they were not systematically studied until the early 1930s by the oceanographer Phil E. Church.

«The Iron Hypothesis» is the theory first put forward by oceanographer John Martin in 1990.

Other research on this subject disagrees with its conclusion - a fact illustrated by comments made by oceanographer and climate scientist John Church.

Also known as the «Iron Hypothesis», this process is more accurately called Ocean Micro Nutrient Replenishment and was first proposed by oceanographer John Martin in 1993.

Not exact matches

One unknown is how the addition of massive flows of freshwater from Siberian rivers, bolstered by thawing permafrost, could affect the system, says study co-author Eddy Carmack, an oceanographer with Fisheries and Oceans Canada in Sidney.

«Previously this monster, Atlantic warm water, was well covered from the surface» by the CHL, says Igor Polyakov, a physical oceanographer at the University of Alaska in Fairbanks, who led the study.

Geneticists and information scientists have built and are building models for the transition of organic molecules to self - replicating living organisms, based on theories of Earth's early development provided by astronomers, geologists, and oceanographers and on the evidence of fossilized microorganisms discovered by paleontologists.

This technique, first developed by the military in the 1960s to identify submarine locations with pinpoint accuracy, allows oceanographers to map the seafloor with as much detail as the moon.

Recording these temperatures continuously can help scientists develop a detailed picture of the physics by which the ocean melts the ice shelves from below, says oceanographer Laurence Padman of Earth & Space Research in Corvallis, Oregon.

Biological oceanographer Kendra Daly of the University of South Florida heard a talk by Delaney and excitedly told him that his concept would finally allow researchers to study the ephemeral changes that were so difficult to capture from a ship: a storm churning up the waters below, for instance, or the springtime bloom of microscopic marine plants.

Ryan, for instance, is a biological oceanographer by training, yet regularly works with engineers and computer scientists for his research.

MBARI news release on summer experiments Greenhouse - gas research by MBARI oceanographer Peter Brewer Department of Energy research on ocean carbon disposal

Conference chair Katherine Richardson, a biological oceanographer at the University of Copenhagen, told the opening plenary session that the conference would ensure that policymakers would pay attention by providing compelling messages in three broad areas: how bad the climate science is [that is, how bad the impact of climate change will be], the «good news» that's out there in terms of new ways of mitigating carbon emissions, and the prospects for adapting to the proliferating impacts that scientists are seeing around the world.

The question has stumped oceanographers for decades: How is dissolved nitrogen gas transformed into a kind that can be used by living things?

Developed by biological oceanographer Ulf Riebesell of the Leibniz Institute of Marine Sciences in Germany, the mesocosms consist of a buoyant frame and a 65 - foot - long polyurethane bag that encloses plankton and other small marine organisms.

«It really changes the game» by demonstrating that acidification is having a noticeable impact, says biological oceanographer Jan Newton, co-director of the Washington Ocean Acidification Center at the University of Washington, Seattle.

Like oceanographer Toby Tyrrell, I am not impressed by James Lovelock's Gaia hypothesis in the form that he presented it: that is, that life engineers more favourable conditions on Earth (26 October, p 30).

An oceanographer by training, Munk has spent 67 years studying how waves form, how they travel and how they break when they hit the beach.

By comparing several years of measurements, climate researchers and oceanographers can now draw conclusions about changes in sea level and ocean currents.

, an oceanographer at the Scripps Institution of Oceanography in La Jolla, California, who will present the new findings Tuesday at the 2018 Ocean Sciences Meeting, co-sponsored by the Association for the Sciences of Limnology and Oceanography, The Oceanography Society and the American Geophysical Union.

Wings and a rudder direct the force generated by these buoyancy changes, pushing the glider along its path in graceful arcs, known to oceanographers as yo - yos.

New research led by University of Hawai'i at Mānoa (UHM) oceanographer Bo Qiu has determined from observational data the length scale at which using sea level height no longer offers a reliable calculation of circulation.

The UW oceanographers used a commercial Wave Glider made by Liquid Robotics, a California - based subsidiary of the Boeing Co., to surf along the water's surface gathering observations.

He found them in sediment collected from a hydrothermal vent, sent to him by a retired oceanographer.

The space / time patterns created by those empirical approaches are inconsistent with how oceanographers think the oceans should work, he noted.

The solution, devised by biological oceanographer Victor Smetacek of the Alfred Wegener Institute for Polar and Marine Research in Germany and his colleagues, was to use an eddy.

The STPF family is deeply saddened by the passing on June 22 of oceanographer and developmental ecologist Diane Adams, 2012 - 13 Executive Branch Fellow at the Agency for International Development.

New research by University of Delaware oceanographer Wei - Jun Cai and colleagues at Université Libre de Bruxelles, Texas A&M University - Corpus Christi, University of Hawaii at Manoa and ETH Zurich, now reveals that the water over the continental shelves is shouldering a larger portion of the load, taking up more and more of this atmospheric carbon dioxide.

In a paper published January 25 in Science Advances, a team led by WHOI oceanographers Viviane Menezes and Alison Macdonald report that Antarctic Bottom Water (AABW) has freshened at a surprising rate between 2007 and 2016 — a shift that could alter ocean circulation and ultimately contribute to rising sea levels.

The center, which sits in a research park developed by the University of Maryland, will also oversee a partnership with the school that will pair undergraduates studying atmospheric and oceanic science with federal researchers, and enable the students to become government - certified meteorologists and oceanographers.

Historically, oceanographers have defined seawater based on its salinity, which they inferred by taking measurements of the water's electrical conductivity.

An international team of 27 oceanographers churned through 13 global models and concluded that carbon dioxide emissions could cause pH levels in the ocean to drop from an average of 8.1 today to 7.7 by the end of the century.

Pedler, a marine biology graduate student at Scripps, spent several years working with Scripps marine microbiologist Azam and chemical oceanographer Aluwihare in designing a system that would precisely measure carbon consumption by individual bacterial species.

Now, oceanographer Philip Woodworth of the Proudman Oceanographic Laboratory, U.K., challenges Mörner's claims by asserting that a sea level fall is implausible from meteorological and oceanographic perspectives.

This definition builds on recent developments in defining atmospheric heatwaves52 and was developed further and adapted for the marine environment by a cross-disciplinary team consisting of atmospheric scientists, oceanographers and marine ecologists1.