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Up-trending farming and landscape disruptions threaten Paris climate agreement goals

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Irvine, Calif., Jan. 27, 2021 One of President Joe Biden s first post-inauguration acts was to realign the United States with the Paris climate accord, but a new study led by researchers at the University of California, Irvine demonstrates that rising emissions from human land-use will jeopardize the agreement s goals without substantial changes in agricultural practices.
In a paper published today in
Nature, the team presented the most thorough inventory yet of land-use contributions to carbon dioxide and other greenhouse gases (including nitrous oxide and methane) from 1961 to 2017, taking into account emissions from agricultural production activities and modifications to the natural landscape. ....

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Increasing ocean temperature threatens Greenland's ice sheet

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Irvine, Calif., Jan. 25, 2021 Scientists at the University of California, Irvine and NASA s Jet Propulsion Laboratory have for the first time quantified how warming coastal waters are impacting individual glaciers in Greenland s fjords. Their work is the subject of a study published recently in
Science Advances.
Working under the auspices of the Oceans Melting Greenland mission for the past five years, the researchers used ships and aircraft to survey 226 glaciers in all sectors of one of Earth s largest islands. They found that 74 glaciers situated in deep, steep-walled valleys accounted for nearly half of Greenland s total ice loss between 1992 and 2017. ....

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UCI researchers: Climate change will alter the position of the Earth's tropical rain belt

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Irvine, Calif. Future climate change will cause a regionally uneven shifting of the tropical rain belt - a narrow band of heavy precipitation near the equator - according to researchers at the University of California, Irvine and other institutions. This development may threaten food security for billions of people.
In a study published today in
Nature Climate Change, the interdisciplinary team of environmental engineers, Earth system scientists and data science experts stressed that not all parts of the tropics will be affected equally. For instance, the rain belt will move north in parts of the Eastern Hemisphere but will move south in areas in the Western Hemisphere. ....

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Roy Eddleman gives $1 million to establish new UCI graduate fellowship

Funds will support student learning and research in quantum science
January 14, 2021
“Quantum science holds significant promises for humanity. To realize its fullest potential, we need to provide adequate support to the young scientists who want to pursue careers in this field,” says Roy Eddleman, who endowed a new graduate student fellowship in quantum science at UCI in the amount of $1 million. Photo courtesy of Science History Institute
Irvine, Calif., Jan. 14, 2021 – The University of California, Irvine has established a new graduate fellowship to benefit students pursuing advanced degrees in quantum science. The program was made possible through a $1 million endowment from philanthropist Roy T. Eddleman and matching funds provided by UCI’s Graduate Division. ....

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UCI scientists measure local vibrational modes at individual crystalline faults

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Irvine, Calif., Jan. 11, 2021 - Often admired for their flawless appearance to the naked eye, crystals can have defects at the nanometer scale, and these imperfections may affect the thermal and heat transport properties of crystalline materials used in a variety of high-technology devices.
Employing newly developed electron microscopy techniques, researchers at the University of California, Irvine and other institutions have, for the first time, measured the spectra of phonons - quantum mechanical vibrations in a lattice - at individual crystalline faults, and they discovered the propagation of phonons near the flaws. The team s findings are the subject of a study published recently in ....

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