The loss of the ice shelf supporting one of Antarctica's most vulnerable glaciers could hasten its collapse, a new study finds.
Earth Sciences
Dec 05, 2019
2
15
New scientific projections released Wednesday predict that ocean levels will rise even faster than previously forecast over the next four decades in low-lying southeastern Florida, which is already prone to frequent flooding ...
Environment
Dec 05, 2019
2
26
A lack of habitat protection is hindering our ability to manage the conservation of endangered open-ocean sharks in Australian waters, according to new research by The University of Western Australia.
Plants & Animals
Dec 03, 2019
0
3
Clad in diving gear or oilskins and gumboots, a team of scientists and activists spent weeks in the South Atlantic, enduring storms and choppy seas to check up on a place almost no-one has heard of.
Environment
Dec 03, 2019
0
4
Since the saltiness of ocean surface waters is a key variable in the climate system, understanding how this changes is important to understanding climate change. Thanks to ESA's Climate Change Initiative, scientists now have ...
Environment
Dec 02, 2019
0
724
Sharks, penguins, turtles and other seagoing species could help humans monitor the oceans by transmitting oceanographic information from electronic tags.
Ecology
Nov 28, 2019
0
337
Last month a new projection of sea-level rise by the year 2050 spurred headlines showing more coastal cities around the world will be submerged than earlier models have predicted. Just how fast and how high sea levels rise ...
Earth Sciences
Nov 21, 2019
0
14
A little robotic explorer will be rolling into Antarctica this month to perform a gymnastic feat—driving upside down under sea ice.
Earth Sciences
Nov 19, 2019
0
12
The U.S. research vessel Sikuliaq can break through ice as thick as 2.5 feet (0.76 meters). In the Chukchi Sea northwest of Alaska this month, which should be brimming with floes, its limits likely won't be tested.
Environment
Nov 19, 2019
1
203
New research shows that many larval fish species from different ocean habitats are ingesting plastics in their preferred nursery habitat.
Ecology
Nov 11, 2019
1
109
Seawater is water from a sea or ocean. On average, seawater in the world's oceans has a salinity of about 3.5%. This means that every 1 kg of seawater has approximately 35 grams of dissolved salts (mostly, but not entirely, the ions of sodium chloride: Na+, Cl-). The average density of seawater at the surface of the ocean is 1.025 g/ml; seawater is denser than freshwater (which reaches a maximum density of 1.000 g/ml at a temperature of 4°C) because of the added mass of the salts. The freezing point of sea water decreases with increasing salinity and is about -2°C (28.4°F) at 35 gram per liter.
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