Author Topic: Year 2016 Name Warmest Year on Record - Global Study Report  (Read 210 times)

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Year 2016 Name Warmest Year on Record - Global Study Report
« on: August 11, 2017, 02:16:27 AM »

The U.S. National Oceanic and Atmospheric Administration says 2016 surpassed 2015 as the warmest year on record, citing the combined influence of long-term global warming and an unusually strong El Niño weather pattern.

The agency's annual report, released Thursday, was based on contributions from nearly 500 scientists from more than 60 nations. NOAA said the report took into account tens of thousands of measurements from independent data sets, reflecting global climate indicators, notable weather events, and measurements of greenhouse gas emissions, sea level, ocean salinity, snow cover and sea ice.

The State of the Climate report said 2016 was the third consecutive year of record global warmth. Global warmth records have been kept for the past 136 years.

Greenhouse gases were found to be the highest on record, and the current level, 402.9 parts per million, surpassed 400 parts per million for the first time in the modern atmospheric measurement record as well as in ice core records dating back as far as 800,000 years. It was also the largest annual increase observed in the 58 years since such measurements have been kept.

The report also said the global surface temperature observed was the highest on record last year, aided by the strong El Niño early in the year. The temperature of the region of the atmosphere just above the Earth's surface, known as the troposphere, was also the highest on record, as was the global average for the surface of the sea.

Global sea level was also the highest on record, at 82 millimeters higher than the average in 1993, when records began to be recorded with the current method. The report said 2016 was the sixth consecutive year in which the global sea level increased compared with the previous year.

In this July 16, 2017, photo, the sun rises on a "ghost forest" near the Savannah River in Port Wentworth, Ga. Rising sea levels are killing trees along vast swaths of the North American coast by inundating them in saltwater. The dead trees in what used to be thriving freshwater coastal environments are called “ghost forests” by researchers.
In this July 16, 2017, photo, the sun rises on a "ghost forest" near the Savannah River in Port Wentworth, Ga. Rising sea levels are killing trees along vast swaths of the North American coast by inundating them in saltwater. The dead trees in what used to be thriving freshwater coastal environments are called “ghost forests” by researchers.
The report also said a warming trend was continuing in the Arctic, and the Antarctic saw a new record low in the extent of sea ice coverage.



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