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SPRING12 FALL Issue 19 FALL SPRING 12 LDEOALUMNI AND FRIENDS NEWS Issue 19 Special Announcement: FEATURE ARTICLE Lamont-Doherty Names Refining a Theory: New Director Plate Tectonics in the 21st Century 1 Letter from the Interim Director Issue 19 LDEO Alumni and Friends News is published twice a year by the Lamont-Doherty Earth Observatory of 2 Special Announcement: Columbia University The Observatory’s New Director 61 Route 9W, Palisades, NY 10964 Tel: 845-365-8599 E-mail: [email protected] 3 News from Campus Interim Director of the Observatory Arthur Lerner-Lam 7 Feature Article: Director for Development Refining a Theory: Plate Barbara Charbonnet Tectonics in the 21st Century Development Officer Stacey Vassallo Development Associate 10 Sub-Feature: Erika Freimuth Ocean Bottom Seismometers: Putting an Ear to the Seafloor Administrative Assistant and Staff Photographer Ronnie Anderson 11 Alumni News Editor, Erika Freimuth To subscribe to this newsletter, please send an e-mail to [email protected] 16 Development News Cover image: A millimeter-accuracy GPS antenna collects data on the shores of eastern Greenland. Jim Davis and other geodesists use these data to measure present-day ground motion called postglacial rebound, a phenomenon that yields insights into the last glaciation. Photo credit: UNAVCO b LDEO Eileen Barroso Letter from the Interim Director Dear Friends, Erika Freimuth As I write this, we are in the process of welcoming Lamont-Doherty’s next director, Dr. Sean Solomon. Sean’s record of distinguished leadership at the Carnegie Institution’s Department of Terrestrial Magnetism, his world-class scholarship and international prominence, and his devotion to the Earth sciences and the foundational institutions such as Lamont usher in a new era for us all. In March, Lamont’s Ocean Bottom Seismology laboratory was shaded by a Our ability to attract such outstanding leadership is predicated on the successes blossoming alley of cherry trees. achieved under Mike Purdy’s directorship. Over the past decade, Lamont attained new levels of accomplishment and stability. Mike opened up new areas of scholarship with the hiring of peerless scientists. With Wally Broecker and others—and with major support from the Comer Foundation and other donors—he oversaw the construction of Ronnie Anderson a world-class geochemistry laboratory, the first new lab building at Lamont in more than 30 years. He secured the purchase of the ex-M/V Western Legend and led its overhaul, turning it into a uniquely capable vessel. And by emerging from the shipyard as the R/V Marcus G. Langseth, it became the floating embodiment of one of Lamont’s most prominent and well-loved scientists. Finally, after a long and at times arduous process, Mike enhanced the stability of the soft-money staff by leading the effort to establish Gregory Mountain (right) speaks with at- tendees following his presentation during the Lamont Research Professor track, the very first class of research professors in the the Observatory’s spring Public Lectures. history of Columbia University. Sean’s arrival will build upon these remarkable accomplishments. My colleagues and I are excited by what the future holds. In this era of environmental volatility and stress, basic research in the Earth sciences is more important than ever. The conduct Erika Freimuth of our science needs public and private support matched with an uncompromising commitment to excellence. We go where the science leads, not where the political winds blow. With your support, there will be no limit to what Lamont will be able to accomplish. Warm regards, A workstation in the nearly complete ultra clean laboratory for geochemistry awaits use by scientists and students. Arthur Lerner-Lam LDEO 1 SPECIAL ANNOUNCEMENT Top Planetary Scientist to Lead Observatory and the Mars Global Surveyor mission. He is also and thought of becoming a paleontologist. But a co-investigator for NASA’s GRAIL mission, now his path changed in the summer of 1965 after his mapping the moon’s gravitational field. junior year at California Institute of Technology, Back on Earth, Solomon is a veteran of nu- when images from the Mariner 4 mission that flew merous oceanographic cruises aimed at studying by Mars were broadcast live on TV screens on mid-ocean ridges and the dynamics of the deep campus. “That mission whetted my appetite for subsurface. Most recently, he has been involved planets,” he said. in the PLUME project, which is using seismol- After finishing his PhD in geophysics at Mas- ogy on land and at sea to study the deep origins sachusetts Institute of Technology in 1971, he of the volcanic processes that have formed the stayed on to teach and conduct research there Hawaiian Islands. for two decades. In 1978, a paper he published “I have enormous admiration for the achieve- in the journal Geophysical Research Letters ments that have been made by Lamont staff in provided an elegant explanation of the thermal science and education,” said Solomon. “The evolution of relatively small bodies such as the Observatory’s emphasis on fundamental research moon and Mercury, which apparently do not have and its tie to the Earth Institute, where science is multiple tectonic plates like those on Earth. This applied to address social issues, is a package I “one-plate planet” concept became the para- found difficult to resist.” digm for understanding the tectonics of the solar Solomon has been a member of the Earth system’s rocky inner planets. Institute’s external advisory board since 2004. At MIT, Solomon ran one of the earliest Sean C. Solomon has been named the new director “Earth is at a turning point, and the Earth sci- ocean-bottom seismometer labs. He investigated of Lamont-Doherty Earth Observatory. ences are in the midst of an intellectual trans- mid-ocean ridges by leaving those instruments olumbia University has named geophysi- formation,” said Lerner-Lam, who previously at the bottom of the Atlantic, Pacific, and Indian cist Sean C. Solomon, whose research headed the Observatory’s Division of Seismology, Oceans to record earthquakes on the seafloor Chas combined studies of the deep Geology, and Tectonophysics and is a Lamont and measure Earth’s structure below. As a result, Earth with missions to the moon and the solar Research Professor. “Sean’s international stature he made important contributions to understand- system’s inner planets, as the next director of and distinguished record of scientific leadership ing how Earth’s multiple plates generate new Lamont-Doherty Earth Observatory. As a research combined with Lamont’s institutional strengths will crust below the sea, where most plates intersect. scientist and director emeritus at the Carnegie undoubtedly usher in a new era.” He moved to Carnegie in 1992, where he headed Institution in Washington, D.C., Solomon led “Sean Solomon will bring remarkable scientific its Department of Terrestrial Magnetism until last NASA’s orbiting exploration of the planet Mercury. leadership to Lamont,” said Jeffrey Sachs, direc- fall. Among other roles, he served as principal He is also a past president of the American tor of the Earth Institute. “His renowned expertise investigator for Carnegie’s part of the NASA Geophysical Union, the world’s largest organiza- extends from the very frontiers of basic science, Astrobiology Institute, which seeks to understand tion of Earth and space scientists. He will start across the solar system, and to the interface the origin of life on Earth and its potential to exist at Lamont on July 1, replacing Interim Director of science policy and human needs. We are elsewhere. Arthur Lerner-Lam. thrilled he will join us as a colleague, as director “One of the important perspectives Sean “We are fortunate to have someone of of Lamont, and as a member Sean Solomon’s extraordinary scientific accom- of the leadership team of the plishments and executive experience become Earth Institute. Sean will also Lamont-Doherty’s new director,” said Columbia continue to be a leader of Ronnie Anderson President Lee C. Bollinger in his April 4 announce- global science as well, at a ment. “He is an admired leader, and we welcome time of remarkable discoveries him as our colleague in applying Columbia’s great but also of remarkable urgency scientific expertise to the urgent questions facing for the well-being of Earth and our society.” humanity.” Solomon has been the principal investigator Solomon was born in for NASA’s MESSENGER mission to Mercury, Los Angeles, the son of New which entered orbit last year and is now mapping Yorkers: his mother was an Mercury’s surface and delving into the planet’s artist and his father a chemical origins, atmosphere, magnetic field, and interior. engineer who worked in water Some of his other projects are household names treatment. He says he was fas- in space science: the Magellan mission to Venus cinated early on with dinosaurs G. Michael Purdy, former director of Lamont-Doherty, with Sean Solomon at an Observatory event in 2010 2 LDEO NEWS FROM CAMPUS brings is his knowledge of the other planets,” said cal Society of America’s G. K. Gilbert Award for Lamont’s previous director, G. Michael Purdy, solving broad problems in planetary geology and now the University’s executive vice president for the American Geophysical Union’s Harry H. Hess William Menke research. “The Earth is not unique. The mapping Medal, given for outstanding research on the of other planets has helped in our understanding evolution of Earth and other planets. Last fall, when of this planet’s evolution and vice versa.” he stepped down as a director at Carnegie, col- Solomon has been a member of both the leagues arranged to have a previously discovered National Academy of Sciences and the American asteroid named after Solomon.
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