Sentences with phrase «leading ocean scientist»

More thorough sea level monitoring is needed to protect one trillion dollars (0.98 trillion U.S. dollars) worth of the world's infrastructure threatened by climate change, an Australian leading ocean scientist said on Sunday

Not exact matches

Leading scientists give their thoughts on the world's relentless pursuit of fish, and how consumers and the commercial fisheries sector are emptying oceans across the world of life.

Lead author of the paper is research scientist Andrew Jordan of the University of New Hampshire's Institute for the Study of Earth, Oceans, and Space (EOS).

«We were looking at two questions: how could we identify the oil on shore, now four years after the spill, and how the oil from the spill was weathering over time,» explained Christoph Aeppli, Senior Research Scientist at Bigelow Laboratory for Ocean Sciences in East Boothbay, Maine, and lead author of the study reported in Environmental Science & Technology.

Led by Ken Buesseler, a senior scientist and marine chemist at the Woods Hole Oceanographic Institution (WHOI), the team found that a small fraction of contaminated seafloor sediments off Fukushima are moved offshore by typhoons that resuspend radioactive particles in the water, which then travel laterally with southeasterly currents into the Pacific Ocean.

A study led by scientists at the GEOMAR Helmholtz Centre for Ocean Research Kiel shows that the ocean currents influence the heat exchange between ocean and atmosphere and thus can explain climate variability on decadal time scOcean Research Kiel shows that the ocean currents influence the heat exchange between ocean and atmosphere and thus can explain climate variability on decadal time scocean currents influence the heat exchange between ocean and atmosphere and thus can explain climate variability on decadal time scocean and atmosphere and thus can explain climate variability on decadal time scales.

To take a closer look at these processes, a team led by scientists from Columbia University's Lamont - Doherty Earth Observatory installed an array of seismometers on the floor of the Pacific Ocean, near the center of the Pacific Plate.

The scientists, led by Eric Oliver of Dalhousie University in Canada, investigated long - term heat wave trends using a combination of satellite data collected since the 1980s and direct ocean temperature measurements collected throughout the 21st century to construct a nearly 100 - year record of marine heat wave frequency and duration around the world.

This past July Russ George served as chief scientist on a cruise to fertilize the northeastern Pacific Ocean with iron — the latest in a long string of similar, and usually controversial, efforts he has led.

Led by Fisheries and Oceans Canada, a team of scientists tracked returning Fraser River sockeye to see whether the genetic activity of those that successfully spawned differed from the activity of those that perished prematurely en route.

Andrew Rosenberg, a scientist who led one of the report's chapters on oceans and directs the Center for Science and Democracy at the Union of Concerned Scientists, said the report outlines changes that are happening now in various systems from agriculture to water resources to forestry to oceans.

«If we're right, oceans in the outer solar system are common, and other objects of similar size to Pluto there probably also have subsurface oceans,» says Francis Nimmo, a lead author of one of the studies and planetary scientist at the University of California, Santa Cruz.

The decision is laudable in that it acknowledges beluga sturgeon is threatened with extinction, but it doesn't go nearly far enough toward protecting them, says fisheries scientist Ellen Pikitch, director of the University of Miami's Pew Institute for Ocean Science and lead scientist of Caviar Emptor.

«It gives us a real jump start in knowing what to be looking for,» says Steve Ferguson, a research scientist with Fisheries and Oceans Canada who led a survey of traditional knowledge on killer whales in Nunavut waters.

Lead scientist Jeffrey Hawkes, currently a postdoctoral fellow at Uppsala University in Sweden, directed an experiment in which the researchers heated water in a laboratory to 380 degrees Celsius (716 degrees Fahrenheit) in a scientific pressure cooker to mimic the effect of ocean water passing through hydrothermal vents.

«We have toxic algae events that result in shellfish closures off the Washington and Oregon coast every three to five years or so, but none of them have been as large as this one,» said lead author Ryan McCabe, a research scientist at the UW's Joint Institute for the Study of the Atmosphere and Ocean, a collaborative center with NOAA.

Projections, based largely on laboratory studies, led scientists to predict that ocean pH would not fall low enough to cause reefs to start dissolving until 2050 - 2060.

A pioneering study — led by scientists from Imperial College London in collaboration with marine biologists from UC Santa Barbara — found that the predators, through their fecal material, transfer vital nutrients from their open ocean feeding grounds into shallower reef environments, contributing to the overall health of these fragile ecosystems.

A new study led by researcher Natalia Shakhova of the University of Alaska, Fairbanks, and the Russian Academy of Sciences» Far Eastern Branch reports that methane releases from one part of the Arctic Ocean are more than twice what scientists previously thought.

Many of the projects were led by Department of Fisheries and Oceans scientists, and Kelly says that their fate hinges on «what work DFO allows them to do this summer.»

Fisher led an international team of scientists that in the early 2000s discovered the first field site where this process could be tracked from fluid inflow to outflow, in the northeastern Pacific Ocean.

In 2009, when Ravelo led an expedition of the Integrated Ocean Drilling Program (IODP) to the Bering Sea (with co-chief scientist Kozo Takahashi of Kyushu University, Japan), one of her main goals was to investigate the role of the North Pacific Intermediate Water in climate change.

The research, led by scientists at the University of Miami (UM) Rosenstiel School of Marine and Atmospheric Science and partners, has important implications for the long - term survival of coral reefs worldwide, which have been in worldwide decline from multiple stressors such as climate change and ocean pollution.

The popular view that Antarctica and the Southern Ocean are in a much better environmental shape than the rest of the world has been brought into question in a study publishing on March 28 in the open access journal PLOS Biology, by an international team lead by Steven L. Chown and Monash University scientists.

«Micro-scale 3D models are an important tool for many areas of science, but for most micro or nano - scale objects only a portion of the object can be seen in the field of view,» says Gopala Mulukutla, a research scientist in the Institute for the Study of Earth, Oceans and Space at UNH and the study's lead author.

«We can't assess the state of the oceans without knowing what's being taken out of them,» says Daniel Pauly, a fisheries scientist at the University of British Columbia in Vancouver, Canada, who led the study.

«Our timely study builds on previous research from UH scientists and recent federal court rulings that show that treated wastewater is illegally discharged to the ocean from injection wells at the Lahaina Wastewater Reclamation facility via SGD to Kahekili Beach Park on West Maui,» said Daniel Amato, lead author and recent graduate of the UHM College of Natural Sciences.

The initiative brings together leading ocean, climate and marine scientists to develop a list of the 50 most critical coral reefs to protect, while leading conservation practitioners are working together to establish the best practices to protect these reefs.

Moving the chemical complexity of the ocean to the laboratory represented a major advance that will enable many new studies to be performed,» said Kimberly Prather, Distinguished Chair in Atmospheric Chemistry at the University of California, San Diego and director of the Center for Aerosol Impacts on Climate and the Environment, who led the team of more than 30 scientists involved in this project.

Scientists have long suspected that volcanoes dumped trillions of tons of carbon dioxide into the atmosphere and that some of it dissolved in the oceans, leading to an acidity that can weaken sea creatures» ability to make calciferous shells.

The study, by an international team of scientists led by the University of Cambridge, examined how changes in ocean currents in the Atlantic Ocean were related to climate conditions in the northern hemisphere during the last ice age, by examining data from ice cores and fossilised plankton shocean currents in the Atlantic Ocean were related to climate conditions in the northern hemisphere during the last ice age, by examining data from ice cores and fossilised plankton shOcean were related to climate conditions in the northern hemisphere during the last ice age, by examining data from ice cores and fossilised plankton shells.

Dr Maria Paola Clarizia, a visiting scientist at NOC from University of Michigan, and the lead author of the paper, stressed that «the UK has been a pioneer in using GNSS reflectometry to measure ocean features, and the NOC has led the field in analysing the data.»

This research is part of a report on ocean warming by some of the world's leading climate change scientists.

«Loss of oxygen in the ocean is one of the serious side effects of a warming atmosphere, and a major threat to marine life,» said NCAR scientist Matthew Long, lead author of the study.

The methane hydrates with the highest climate susceptibility are in upper continental margin slopes, like those that ring the Arctic Ocean, representing about 3.5 percent of the global methane hydrate inventory, says Carolyn Ruppel, a scientist who leads the Gas Hydrates Project at the USGS.

The north Atlantic Ocean is globally important, as it is a sink for atmospheric carbon dioxide, said Eric Achterberg, chief scientist for the research cruise and lead author of the study.

On Monday, a team of American and British scientists led by Thompson reported on their chemical analysis of a sample core bored out of coral on the most populated atoll of Kiribati, a postcard - worthy Pacific Ocean country comprising many small islands.

said lead author Sarah Doherty, a research scientist at the UW's Joint Institute for the Study of the Atmosphere and Ocean.

«When heat goes under the ocean, it expands just like mercury in a thermometer,» Steve Nerem, lead scientist for NASA's Sea Level Change Team at the University of Colorado in Boulder, said in the press briefing.

«This was a herculean effort to learn more about one of the ocean's top predators,» said lead author Michelle Barbieri, a former SeaDoc Society scientist and UC Davis graduate who is currently the lead veterinarian for the National Oceanic and Atmospheric Administration's Hawaiian Monk Seal Research Program.

Dr Alison Cook, who led the work at Swansea University, says: «Scientists know that ocean warming is affecting large glaciers elsewhere on the continent, but thought that atmospheric temperatures were the primary cause of all glacier changes on the Peninsula.

Last year, for instance, a team led by federal scientists found that a mysterious drop in ocean level beginning in 2010 likely resulted from a combination of three temporary climate influences, including La Niña, that spawned heavy rain over Australia.

Mild oxygen levels in shallow seas but oxygen - poor deep oceans lasted for some 1.3 billion years during a time that has been dubbed the «Boring Billion» but eventually led to the development of mitochondria that now power multicellular planet and animal life (Nick Lane, New Scientist, February 10, 2010; Rachel Ehrenberg, Science News, September 29, 2009; Johnston et al, 2009; and H.D. Holland, 2006).

Usually, such an impact would cause intense shock waves to ripple through the planetary body, but Galileo couldn't find any evidence of this, leading scientists to theorize that a watery ocean could have softened the blow.

Eventually, however, terrestrial red and green algae and the first lichens developed on land and the final big rise in oxygen may have been caused by the «greening of the continents from around 800 million years ago,» when these simple early lifeforms on land steadily spread and broke down rocks that sustained a higher rate of erosion and led to the release of more nutrients into the oceans that stimulated even more photosynthesis by more newly evolved algae as well as older cyanobacteria (Nick Lane, New Scientist, February 10, 2010).

With the new report, published by the non-profit organization maribus gGmbH, again with support from the magazine mare, the International Ocean Institute and the Cluster of Excellence «The Future Ocean», scientists from Kiel together with other leading international fisheries experts have produced one of the most comprehensive investigations into the state of worldwide fisheries.

«It's becoming clear that the first few weeks after salmon enter the ocean from their freshwater homes is a crucial time,» said Geoff McMichael, the PNNL scientist who led the study, which was published recently in Animal Biotelemetry.

A team of scientists led by researchers at Pacific Northwest National Laboratory modified the current formula to calculate Potential Intensity by including the effects of upper - ocean mixing, sea - surface cooling, and salinity during a cyclone.

Scientists from the universities of Gothenburg (GU) and Kiel (CAU), as well as GEOMAR Helmholtz Centre for Ocean Research Kiel and Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research (AWI) found that ocean acidification leads to reduced rates of digestion in larvae of the ecologically important green sea urchin Strongylocentrotus droebachieOcean Research Kiel and Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research (AWI) found that ocean acidification leads to reduced rates of digestion in larvae of the ecologically important green sea urchin Strongylocentrotus droebachieocean acidification leads to reduced rates of digestion in larvae of the ecologically important green sea urchin Strongylocentrotus droebachiensis.

Scientists from six institutions leading in ocean acidification research summarized the current status of knowledge on evolution in the oceans: Which species are likely to evolve?