Oceans | Science News for Students

Oceans

a photo of vast mats of Sargassum seaweed floating on the ocean's surface

Vast mats of Sargassum seaweed can be seen floating off of Florida’s Big Pine Key. These can shelter everything from turtles to eels to fish. But an overgrowth of these mats has begun posing a problem for coastlines.

Brian Lapointe/Florida Atlantic University's Harbor Branch Oceanographic Institute

Algae & Fungi
 
Jul 22, 2019
Record seaweed belt spanned from Africa to Gulf of Mexico
a surfer surving on a blue wave

Not just great for surfing, waves may be the next big thing in renewable energy.

EpicStockMedia/iStock/Getty Images Plus

Sustainability
 
May 30, 2019
Ocean energy could be the wave of the future
a pile of haddock fish

Increasing ocean temperatures have caused populations of many fish and shellfish to plummet. As a result, the amount that can be caught without depleting fish populations has declined by an average of 4.1 percent worldwide.

NEFSC/NOAA

Oceans
 
Apr 11, 2019
Oceans’ fever means fewer fish
an underwater photo of a coral reef ecosystem with brightly colored corals and fish

Corals provide the base of a unique community of ocean creatures. But ocean acidification may make it difficult for corals to build their beautiful structures.

iBorisoff/iStockphoto

Chemistry
 
Feb 28, 2019
Shell shocked: Emerging impacts of our acidifying seas
an underwater photo of a little skate

This is a little skate, a fish closely related to sharks and rays. As the oceans get more acidic, little skates may become better walkers.

Page Valentine/USGS; adapted by L. Steenblik Hwang

Animals
 
Feb 28, 2019
Ocean acidification may ground swimming skates
a photo of a building on the coast that has fallen into the ocean and cracked apart

Rising seas eroded the coastline of this resort region in Hoi An, Vietnam, causing its buildings to crack apart and start tumbling into the water. Climate change is threatening low-lying regions across the globe with similar destruction.

xuanhuongho/iStockphoto

Oceans
 
Jan 10, 2019
Climate change makes seas rise faster and faster
an aerial photo of a flooded street in Ho Chi Minh City, scooters and cars are driving through the floodwaters

Traffic keeps flowing on a flooded street in Ho Chi Minh City in Vietnam. Sea levels are rising around the world, but they are rising more quickly in some places than in others.

xuanhuongho/iStockPhoto

Weather & Climate
 
Jan 10, 2019
Explainer: Why sea levels aren't rising at the same rate globally
a scenic photo of Jamaica Bay in New York City

Looking out over Jamaica Bay in New York City. Climate change will bring more frequent storms and sea level rise. Both threaten buildings and wildlife habitat in the general area with floods.

stefko/iStockphoto

Science & Society
 
Jan 10, 2019
Building resilience to climate’s emerging impacts
a photo of huge stone statue figures at Rapa Nui, or Easter Island

These huge stone statues are at Rapa Nui, or Easter Island. This Chilean island lies 3,500 kilometers (almost 2,200 miles) west of the mainland, deep in the Pacific Ocean. The island is one of many places worldwide that are vulnerable to sea-level rise.

Babak Fakhamzadeh/Flickr (CC BY-NC 2.0)

Archaeology
 
Jan 10, 2019
Rising seas threaten thousands of world cultural sites
a photo at water level showing beachhomes on stilts next to the incoming ocean water

The beach that used to be in front of these North Carolina homes has eroded away. Such land loss can eventually undermine and destroy the buildings.

summersetretrievers/iStockphoto

Oceans
 
Jan 10, 2019
How three coastal communities are dealing with rising seas