Published: Wed, January 15, 2020
Sci-tech | By Patricia Wade

The oceans reached the highest temperature recorded in 2019

The oceans reached the highest temperature recorded in 2019

"This measured ocean warming is irrefutable and is further proof of global warming", lead author Lijing Cheng from the Chinese Academy of Sciences said. Nevertheless, the ocean surface, where hurricanes draw their energy, and the air just above it has warmed nearly 1 degree Celsius from the pre-industrial era.

Assessing the data with new methods of analysis were combined with heat trends stretching back 70 years, allowing the scientists to learn the last five years have been the warmest on record.

Since 1970, more than 90 percent of the planet's excess heat went into the oceans, while less than 4 percent was absorbed by the atmosphere and the land, the study said.

The study stated oceans have warmed steadily between 1955 and 1986 and warming has increased more rapidly in the last few decades. The past 10 years have been the warmest on record for global ocean temperatures, they concluded, and the hottest five years ever recorded have all occurred in the past five years. Other than the human emissions of gases that trap heat, there are no sensible alternatives to explain this warming.

"The key to answering this question is in the oceans-that's where the vast majority of heat ends up", said Abraham.

However, the oceans will take more time to respond to atmospheric and land environments.

"The ocean heat content changes are the primary memory of global warming", Trenbeth said.

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After analyzing information from the 1950s by 2019, a world workforce of scientists decided that the common temperature of the world's oceans in 2019 was 0.075 levels Celsius (0.135 levels Fahrenheit) increased than the 1981-2010 common.

These marine heat waves typically occur when weather causes the ocean to absorb more heat than usual, or if certain conditions prevent the ocean from releasing heat. They managed to calculate ocean temperatures down to 2,000 meters (6,500 feet) using observations from a variety of measurement devices from the World Ocean Database of the National Oceanic and Atmospheric Administration (NOAA).

Researchers also said that warming is one of the main reasons that the planet is experiencing increased catastrophic fires in the Amazon, California, and Australia.

The research study team comprising of 14 scientists from 11 institutes around the world called for affirmative action to reverse climate change.

The North Pacific ocean heat wave "The Blob" was first discovered in 2013 and wreaked havoc until 2015.

"The price we pay is the reduction of ocean-dissolved oxygen, the harmed marine lives, strengthening storms and reduced fisheries and ocean-related economies", Cheng said.

Researchers are now investigating how warming affects the oceans beyond temperature, including the buoyancy of water, which has a direct impact on the distribution of nutrients and heat.

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