Oceanography, climate & fisheries

By S. McClatchie | Scientific information on climate variability, multidisciplinary ocean science and fisheries resources from a non-advocacy view point.

Meteorological Versus Astronomical Seasons

You may have noticed that meteorologists and climatologists define seasons differently from “regular” or astronomical spring, summer, fall, and …

Astronomy

Student Citizen-Scientists Gather Crucial Data on Imperiled Ocean Animal

It’s a warm, blue-sky Friday and I’m standing knee-deep in the clear, cold Fall Kill creek off the Hudson River in Poughkeepsie, New York. More than …

Oceans

Warming temperatures threaten sea turtles

The study by Dr Jacques-Olivier Laloë of the University’s College of Science and published in the Global Change Biology journal, argues that warmer …

Climate Change

The ocean predicts future Arctic climate

A new study in the journal <i>Nature Communications</i> by researchers from the University of Bergen and Bjerknes Centre for Climate Research, Norway, and …

Climate Change

Wave Beams Mix and Stir the Ocean to Create Climate

WASHINGTON, D.C., June 20, 2017 -- Ocean circulation patterns have a profound effect on global climate. Waves deep within the ocean play an important …

California fishermen, once blocked by conservationists, now work with them

June 19, 2017 | 3:00 PM<p>Embed Code<iframe src="https://www.marketplace.org/2017/06/19/sustainability/california-fishermen-once-blocked-conservationists-now-work-with-them/popout" frameborder="0" width="100%" height="240px"></iframe><p>Copy<br>• Close<p>Embed Code<iframe …

Oceans

Deforestation Effects as Different as Night and Day

On a global scale, deforestation is known to be harmful to the environment, as it disrupts the natural exchange of carbon dioxide, radiation, and …

Climate Change

Warm Waters in West Antarctica

The vast Antarctic ice sheet contains about 30 million cubic kilometers of ice, which is 90% of the Earth’s freshwater ice. If it were all to melt, …

How Will Climate Change Affect the California Current Upwelling?

From southern British Columbia to Baja California, the California Current transports cold water southward for 3000 kilometers along North America’s …

Climate Change

Deadly heatwaves expected to continue to rise

Seventy-four percent of the world's population will be exposed to deadly heatwaves by 2100 if carbon gas emissions continue to rise at current rates, …

Hawaii

Scientists stunned by Antarctic rainfall and a melt area bigger than Texas

Scientists have documented a recent, massive melt event on the surface of highly vulnerable West Antarctica that, they fear, could be a harbinger of future events as the planet continues to warm.<p>In the Antarctic summer of 2016, the surface of the Ross Ice Shelf, the largest floating ice platform on …

Climate Change

The Wild West of Deep-Sea Mining

In the coming years, a new gold rush will begin. Deep beneath the ocean’s waves, from scalding hydrothermal vents to the frigid stretches of the …

Papua New Guinea

Houston fears climate change will cause catastrophic flooding: 'It's not if, it's when'

Human activity is worsening the problem in an already rainy area, and there could be damage worthy of a disaster movie if a storm hits the industrial section<p>Sam Brody is not a real estate agent, but when his friends want to move home they get in touch to ask for advice. He is a flood impact expert …

Texas A&M

Widespread snowmelt in West Antarctica during unusually warm summer

AWARE instruments at the WAIS Divide field camp in central West Antarctica in December 2015 under a spectacular optical display ("sun dog") due to …

Trenches

Oceanic trenches, such as the Puerto Rico trench, are long, narrow topographic depressions of the seabed. The deepest parts of the ocean floor, they …

Oceans

Researchers probe explosion of pyrosomes off the Northwest - Northwest Fisheries Science Center

Polar bears' declining mercury levels likely due to climate-related shifts

To understand how human activities are affecting the planet, scientists often study the health of animals in the wild. Now a new study finds that the …

Climate Change

Worldwide hotspots for alien plants and animals: Islands and coastal regions

The distribution of established alien species in different regions of the world varies significantly. Until now, scientists were uncertain about …

worldwide

Ocean Currents Push Mainland Pollution to Remote Islands

It would be natural to assume that remote and sparsely inhabited islands in the middle of the ocean are surrounded by crystal clear, clean waters. …

Oceans

Getting serious about overfishing

Improving the oceanGetting serious about overfishing<p>The ocean face dire threats. Better regulated fisheries would help<p>Print edition | Briefing<p>May …

Oceans

Bizarre, Glowing Sea Creatures Bloom in the Pacific

Tropical, tube-shaped animals called pyrosomes, known as "fire bodies," appear by the millions off the Pacific Northwest and Alaska. No one knows why.<p>After three years of unprecedented warm water along the U.S. West Coast, sea temperatures in 2017 had finally cooled. Fat shrimplike krill had …

Oceans

Juvenile Great White Sharks Return To San Diego For Summer Season

Sightings of dorsal fins piercing the surfline along San Diego’s coastline are common this time of year. The mostly harmless juvenile great white …

Oceans

World Oceans Day: Why Microplastic Debris May Be the Next Big Threat to Our Seas

​​​​​​​​Plastic, metal, rubber and paper are some of the materials that pollute the world's oceans, often in the form of soda cans, cigarette butts, …

Sahara greening intensify tropical cyclone activity worldwide - Stockholm University

Cyclone Catarina seen from ISS. Photo: Earth Observations Laboratory, Johnson Space Center, via Wikimedia Commons.<p>Tropical cyclones can have …

Scientists may have just found an unexpected new threat to the ozone layer

Severe storms over the central United States may be posing bigger problems beyond bad weather. New research suggests that frequent summertime storms in the Great Plains region could be depleting the protective <b></b>ozone layer in the upper atmosphere, putting humans at increased <b></b>risk of unhealthy exposure …

Climate Change

​Where climate change is most likely to induce food violence

COLUMBUS, Ohio – While climate change is expected to lead to more violence related to food scarcity, new research suggests that the strength of a …

Climate Change

Proposed Policies Could Make America Overfished Again

The United States is one month into its 115th Congress and it has already earned a reputation for dismantling environmental laws. Rules governing …

Research finds spike in dust storms in American Southwest driven by ocean changes

People living in the American Southwest have experienced a dramatic increase in windblown dust storms in the last two decades, likely driven by …

Climate Change

Previously, on Arctic warming: Scientists uncover a cause for early 20th century Arctic warming

Scientists uncover a cause for early 20th century Arctic warming<p>Arctic warming occurred in the early 20th century due to the warming phases -- …

Global Warming