EAS New Horizons Diversity, Equity & Inclusion Award
05-04-21
The Division of Engineering and Applied Sciences seeks nominations to recognize and honor individuals within the EAS community who have actively contributed to EAS’s goal to be a diverse, equitable, and inclusive engineering community. The award is available to members of the EAS community, including current students, postdoctoral scholars, staff, and faculty. Nominations are due Wednesday, May 19, 2021 and are accepted from anyone in the EAS community, EAS alumni and members of the Caltech community. Click here for full description of how to make a nomination.
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Soil Moisture Drives Year-to-Year Change in Land Carbon Uptake
04-01-21
Earth's land ecosystems absorb a large portion of all the carbon dioxide emissions produced by human activities, helping to slow global warming. On average for a given year, plants and soil take up, or fix, about 30 percent of human emissions. But from one year to the next, that number can be as high as 40 percent or as low as 20 percent. Climate scientists aim to pin down exactly what produces this variability so they can account for it and create the most accurate models for predicting future climate. "Our results show that soil moisture significantly impacts near-surface temperatures and atmospheric humidity because of these land–atmosphere feedbacks," says Christian Frankenberg, Professor of Environmental Science and Engineering; Jet Propulsion Laboratory Research Scientist. [Caltech story]
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Christian Frankenberg
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Vincent Humphrey
Solar Geoengineering May Not be a Long-Term Solution for Climate Change
11-23-20
Pumping aerosols into the atmosphere to reflect sunlight, thus cooling Earth, is one last-ditch method for dealing with climate change. According to new research, solar geoengineering may fail to prevent catastrophic warming in the long run. It would not prevent high atmospheric carbon dioxide concentrations from destabilizing low-lying clouds, opening the door to extreme warming. "Solar geoengineering ultimately may not fix the problem if high greenhouse gas emissions continue for more than a century," says Tapio Schneider, Theodore Y. Wu Professor of Environmental Science and Engineering; Jet Propulsion Laboratory Senior Research Scientist. [Caltech story]
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Tapio Schneider
FUTURE Ignited
11-04-20
Nearly 200 undergraduates from more than 120 colleges and universities across the country joined Caltech for FUTURE Ignited, a virtual event that aimed to encourage students of color to pursue graduate studies in science and engineering. The goal of FUTURE Ignited is to diversify STEM with students of color who will go on to become incredible graduate students and scientific leaders in their respective fields. [Caltech story]
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FUTURE Ignited
EAS Remembers James J. Morgan
09-21-20
James (Jim) J. Morgan, Marvin L. Goldberger Professor of Environmental Engineering Science, Emeritus, passed away on September 19, 2020. Dr. Jim Morgan came to Caltech in 1965 as Associate Professor of Environmental Health Engineering. After 35 years of distinguished service to the Institute, he became emeritus in 2000. He served as the Academic Officer for Environmental Engineering Science, 1971-72, Dean of Students, 1972-75, Executive Officer for Environmental Engineering Science, 1974-80 and 1993-96, Acting Dean of Graduate Studies, 1981-84, and Vice President for Student Affairs, 1980-89. Professor Morgan’s research was concerned with the chemistry and technology of water treatment, the scientific basis for establishing criteria and standards for water quality protection, and manganese in fresh and marine waters. He was renowned as a caring teacher and mentor to generations of students and scholars. His book on Aquatic Chemistry, which he co-authored with his advisor Werner Stumm, remains the standard reference on the subject (cited more than 25,000 times) and has become a worldwide classic. He received numerous awards and honors, including election to the National Academy of Engineering and the Athalie Richardson Irvine Clarke Prize for Water Science and Technology from the National Water Research Institute. Jim Morgan and Werner Stumm were awarded the Stockholm Water Prize in 1999. [Caltech story]
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Undersea Earthquakes Shake Up Climate Science
09-19-20
Researchers show how they are able to make use of existing seismic monitoring equipment, as well as historic seismic data, to determine how much the temperature of the earth's oceans has changed and continues changing, even at depths that are normally out of the reach of conventional tools. They do this by listening for the sounds from the many earthquakes that regularly occur under the ocean, says Jörn Callies, Assistant Professor of Environmental Science and Engineering. Callies says these earthquake sounds are powerful and travel long distances through the ocean without significantly weakening, which makes them easy to monitor. [Caltech story]
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Jörn Callies
A Third of California Methane Traced to a Few Super-Emitters
11-07-19
Professor Christian Frankenberg, Professor of Environmental Science and Engineering, Jet Propulsion Laboratory Research Scientist, is helping California create a detailed, statewide inventory of methane point sources. The new data can be used to target actions to reduce emissions of this potent greenhouse gas. "This work shows unequivocally that methane point sources not only exist in the oil and gas industry but also in landfills and agriculture. Finding these large point sources is the trickiest part; mitigation can ensue quickly after that, representing a win-win for both the environment as well as industry," says Frankenberg. [Caltech story]
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