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EESA Climate Experts Show Methane’s Effects on Sunlight Vary by Region1 min read

by Christina Procopiou on September 27, 2018

Climate and Ecosystem Sciences Division Climate Sciences Department

Scientists investigating how human-induced increases in atmospheric methane also increase the amount of solar energy absorbed by that gas in our climate system have discovered that this absorption is 10 times stronger over desert regions such as the Sahara Desert and Arabian Peninsula than elsewhere on Earth, and nearly three times more powerful in the presence of clouds.

A research team from the Department of Energy’s Lawrence Berkeley National Laboratory (Berkeley Lab) came to this conclusion after evaluating observations of Jupiter and Titan (a moon of Saturn), where methane concentrations are more than a thousand times those on Earth, to quantify methane’s shortwave radiative effects here on Earth. Read the complete article here.

 

This simulation, showing the monthly-mean total solar absorption by methane from 2006 to 2010, indicates large regional variability in the gas’ power to absorb incoming energy from the sun. Note the activity over the Sahara Desert, Arabian Peninsula, and portions of Australia – all places where bright, exposed surfaces reflect light upwards to make methane’s absorptive properties up to 10 times stronger than elsewhere on Earth. (Credit: Berkeley Lab)

News & Events

EESA Climate Experts Co-Author Study Predicting 100% Increase in Arctic Lightning2 min read

April 5, 2021

EESA climate scientists contributed to the stunning discovery that lightning strikes will increase by 100% this century above the Arctic Circle, where lightning is practically unheard of, due to climate warming. A paper published today in the journal Nature Climate Change describes how such an increase in lightning will drive further warming and wildfires across…

EESA Participates in International HotBENT Project1 min read

March 29, 2021

The alteration of bentonite buffer under high temperature is a critical research question for the disposal of high-level radioactive waste. Researchers at Berkeley Lab have actively participated with international colleagues in the “HotBENT” project, the centerpiece of which is long-term evaluation of bentonite buffer heated at 175-200 oC at the Grimsel Test Site in Switzerland.…

Study Finds Natural Organic Carbon Source Fuels Growth of Diverse, Distinct Bacteria from Groundwater1 min read

March 25, 2021

  Xiaoqin Wu, Sara Gushgari-Doyle, and Mon Oo Yee from Romy Chakraborty’s group in EESA’s Ecology Department and the Department of Biological Engineering at MIT have published a paper in the journal Frontiers in Microbiology describing a study they hope will advance cultivation and isolation strategies for recovering diverse, uncultivable, and novel microorganisms from Earth’s…

Nigel Quinn Receives ASCE’s Highest Honor1 min read

Nigel Quinn leads the HydroEcological Engineering Advanced Decision Support research group (HEADS) which specializes in the development of environmental decision support systems to improve understanding and find solutions to complex water resources and water quality problems in California and worldwide. In January, Nigel was awarded life membership in the American Society of Civil Engineers (ASCE). This…

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