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Sea Ice

This category contains 37 posts
Image of a birds-eye view of the Arctic ocean basin. There is open water surrounded by chunky sea ice.

Blue is the New Green: How Melting Sea Ice Might Save Us Billions

As Arctic sea ice melts, the ocean absorbs more carbon. Could this actually be a good thing? Researchers in Norway answer just that, quantifying the economic value of this increased Arctic carbon storage and how long it will last. Megan ChenI graduated with a Masters of Coastal & Marine Management from the University of Akureyri […]

Warming up to the neighborhood: a gentoo penguin’s new digs

With warming temperatures, scientists expect to see species popping up in environments where they’ve previously been absent. Climate change virtually guarantees animals will move into new regions, either following prey or searching for more familiar temperatures. In the case of the gentoo penguin, it means a new frontier as colonies push to the edges of […]

Open ocean polynyas: How these holes in the ice mysteriously appear

For decades now scientists have been fascinated by polynyas, holes that appear in the polar sea ice whose causes are still unclear. Recent data from robots that recorded two of these cavities opening sheds light into how they are formed. Shawn WangI am a PhD student studying climate physics and marine geology at MIT and […]

Map with shipping corridors

How do we navigate a climate-changed sea? By getting Inuit perspectives on the map.

Climate change is impacting the waters of Arctic Canada. As ice cover declines, interest in using these routes for international trade and shipping is increasing. However, increasing ship traffic has real implications for the health of the people and wildlife of this area. Inuit communities took part in the Canadian government’s planning process to ensure […]

A transforming ecosystem: Chukchi and Bering Sea

Article: Huntington, H.P., Danielson, S.L., Wiese, F.K. et al. Evidence suggests potential transformation of the Pacific Arctic ecosystem is underway. Nat. Clim. Chang. (2020). Even though we constantly hear about climate change, we still do not understand how exactly and to what extent it affects our ecosystems. That is because ecosystems do not respond in […]

Deep Breathing Underwater

The Labrador Sea is one of the lungs of the ocean. A new study finds that it is taking an even deeper breath than expected—making it more vulnerable to climate change than thought. Emily ChuaI am a Ph.D. candidate at Boston University where I am developing an underwater instrument to study the coastal ocean.  I […]

A High-Flying Aquatic Robot

Inspired by the flying squid, researchers have built a robot that can launch itself from the water surface using water-reactive fuel. Emily ChuaI am a Ph.D. candidate at Boston University where I am developing an underwater instrument to study the coastal ocean.  I have a multi-disciplinary background in physics and oceanography (and some engineering), and […]

Key Role of Sea Ice in Glacial Cycles

A recent study using an idealized model finds that changes in Antarctic sea ice and circulation, triggered by atmospheric cooling, stimulate carbon drawdown and thus play a large role in glacial-interglacial transitions. Channing PrendI’m a physical oceanography PhD student at Scripps Institution of Oceanography in La Jolla, California. I use a combination of numerical models, […]

What caused a massive hole in Antarctic sea ice?

In 2016 and 2017, a massive hole developed in the Antarctic sea ice. Scientists investigated the processes that led to this formation and found that it was related to anomalous saltiness and storm activity in the region. Channing PrendI’m a physical oceanography PhD student at Scripps Institution of Oceanography in La Jolla, California. I use […]

Ecology of Fear: Current Implications of Orca Presence on Narwhal Behavior and Future Trends

The ecology of fear is a hypothesis that predators drive habitat use and behavior in prey species. In the Arctic, the orca drives behavioral changes in a variety of species including narwhals. Analyzing a narwhal population in a Fjord in Greenland researchers were able to look at how fear drives narwhal behavior. Article Breed, Greg […]

Phytoplankton Expanding Northward as Arctic Sea Ice Retreats

A recent study uses satellite data to show that Arctic sea ice retreat is causing changes in the timing and location of spring phytoplankton blooms, which play a large role in the regional ecosystem and carbon cycle. Channing PrendI’m a physical oceanography PhD student at Scripps Institution of Oceanography in La Jolla, California. I use […]

Who Governs the Ocean Around Antarctica?

Antarctica is often considered an untouched wilderness. While its location is remote, the region is hardly undisturbed by human activity. Exploitation of marine species, tourism, scientific research activities, and anthropogenic climate change are all impacting Southern Ocean ecosystems. A recent policy paper examines the governance challenges for the Antarctic, particularly those due to climate change. […]

Sea Ice Modifies Biological Processes

A recent study investigates the relationship between sea ice variability and phytoplankton growth in climate models. Phytoplankton are responsible for most of the transfer of carbon dioxide from the atmosphere to the ocean, therefore this work can help us understand and predict how the ocean’s ability to regulate climate might change in the future.     Channing […]

When life gives you global warming, make pancake ice in ocean wave models

Sea ice is retreating, the Arctic is opening up, and wave activity is increasing. What does this mean for the ocean and atmosphere? The refreezing season of autumn may have some answers. Nyla HusainI’m a PhD student at the University of Rhode Island’s Graduate School of Oceanography. I use a small-scale computer model to study […]

Sea Ice Drives Global Circulation

A recent study uses observational data from the Antarctic to show that sea ice processes help drive the global current system called the overturning circulation. This result suggests that changes to sea ice extent in the Antarctic could impact large-scale circulation as well as the ocean’s uptake of heat and carbon dioxide. Channing PrendI’m a […]

The Polar Vortex, Bomb Cyclones, and Climate

Bomb cyclones, the polar vortex, and climate – they’ve all been in the news in recent years, but how do they intersect? A new study finds a link between mid-latitude cyclones and enhanced sea ice melt in the Arctic. Nyla HusainI’m a PhD student at the University of Rhode Island’s Graduate School of Oceanography. I […]

Why is Antarctic Sea Ice Growing?

Despite increases in global ocean temperatures, long-term trends actually show an increase in Antarctic sea ice extent. There are a number of reasons for this apparent paradox: geography, ocean properties, and atmospheric circulation to name a few. This paper examines the role of atmospheric variability in driving Southern Hemisphere sea ice trends. Channing PrendI’m a […]

The Many Modes of Antarctic Ice Loss

The Western Antarctic Ice Shelf has been melting rapidly in recent decades, largely due to upwelling of deep ocean water that has been gradually warming. Atmospheric systems can influence the ice-sheet height anomalies on interannual time scales. Paolo and other researchers used satellite altimetry to study which processes have the greatest effect in one region […]

Iceberg Impacts

Accurately predicting ice sheet melt location and timing is crucial to understanding and modeling global climate. In order to do this, it is necessary to assess individual freshwater sources as the researchers in this study did. Their results suggest that many of the assumptions ocean modelers make about icebergs may be incorrect. Channing PrendI’m a […]

Sea Ice Mixes it Up

Sea ice extent and concentration is driven by a complex combination of circulation and mixing, as well as interaction with the atmosphere. Understanding these processes is critical to improving climate models. This study uses models to examine the dynamics in marginal ice zones, which is becoming increasingly important for future climate predictions. Channing PrendI’m a […]

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    Happy Earth Day! Take some time today to do something for the planet and appreciate the ocean, which covers 71% of the Earth’s surface.  #EarthDay   #OceanAppreciation   #Oceanbites   #CoastalVibes   #CoastalRI 
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  • by oceanbites 6 months ago
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  • by oceanbites 8 months ago
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  • by oceanbites 11 months ago
    This is a clump of Dead Man’s Fingers, scientific name Codium fragile. It’s native to the Pacific Ocean and is invasive where I found it on the east coast of the US. It’s a bit velvety, and the coolest thing
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  • by oceanbites 12 months ago
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