edgepedia

Researchers in geology, geophysics, geochemistry, and hydrology

906 articles

John Rodgers (geologist)

John Rodgers (1914–2004) was an American geologist at Yale who became the leading authority on the Appalachian mountain belt, winning the Penrose Medal in 1981.

John S. Steinhart

John S. Steinhart was an American geophysicist who worked at the Carnegie Institution of Washington and the University of Wisconsin–Madison, and is known for the Steinhart–Hart thermistor equation.

John Smol

John P. Smol is a Canadian paleolimnologist and Distinguished University Professor at Queen's University who founded the PEARL laboratory, documented acid rain damage to lakes, and tracked Arctic climate warming.

John Southon

John R. Southon is an Earth scientist who directs the W. M. Keck Carbon Cycle AMS Facility at UC Irvine, where his laboratory measures about 500 radiocarbon samples per month.

John Strong Newberry

John Strong Newberry (1822–1892) was an American geologist and paleontologist, the first trained geologist to visit the Grand Canyon and leader of the second Ohio Geological Survey.

John Suppe

John Suppe, born 1942 in Los Angeles, is an American structural geologist known for fault-bend folding, critical-taper wedge mechanics, and a tectonic chronology of Venus; he was elected to the National Academy of Sciences in 1995.

John T. Andrews

John T. Andrews, born in 1937 in England, is a glacial geologist and paleoclimatologist at the University of Colorado Boulder who received the 2016 Penrose Medal.

John Tilton Hack

John Tilton Hack (1913–1991) was an American geologist with the U.S. Geological Survey who proposed dynamic equilibrium in landscape evolution, the idea that slopes and streams are mutually adjusted.

John Tuzo Wilson

John Tuzo Wilson (1908–1993) was a Canadian geophysicist at the University of Toronto who won worldwide acclaim for contributions to the theory of plate tectonics.

John Verhoogen

John Verhoogen (1912–1993) was a Belgian-born American geophysicist at UC Berkeley whose 1961 heat balance of the Earth's core identified inner-core solidification as a possible energy source for the geodynamo.

John Vidale

John Vidale is an American seismologist, the Dean's Professor of Earth Sciences at USC and director of the Southern California Earthquake Center, elected to the National Academy of Sciences in 2017.

John W. Valley

John W. Valley is an American isotope geochemist and emeritus professor at the University of Wisconsin–Madison whose zircon oxygen isotope work showed oceans existed over 4 billion years ago.

John Wahr

John Wahr was an American geophysicist at the University of Colorado Boulder who used GRACE satellite gravity data to make the first estimates of polar ice-sheet loss.

John Wesley Judd

John Wesley Judd (1840–1916) was a British geologist and petrographer who established the volcanic origin of the Hebridean lava plateaus and taught at the Royal School of Mines.

John Wesley Powell

John Wesley Powell was an American geologist and explorer who led the 1869 Colorado River expedition through the Grand Canyon and directed the U.S. Geological Survey.

John West Wells

John West Wells (1907–1994) was an American paleontologist and authority on fossil and modern corals, a Cornell professor known for using coral growth lines to show Earth's rotation is slowing.

John Woodhouse (seismologist)

John H. Woodhouse is a seismologist and Emeritus Professor of Earth Sciences at Oxford, known for mapping the Earth's interior in three dimensions, discovering inner-core anisotropy, and the Centroid Moment Tensor technique.

Jonathan Bamber

Jonathan L. Bamber is an Earth observation scientist and professor at the University of Bristol who uses satellite data to study the Antarctic and Greenland ice sheets and sea-level rise.

Jonathan F. Stebbins

Jonathan F. Stebbins, also published as J. F. Stebbins, is an American geochemist and emeritus professor at Stanford University known for NMR studies of silicate minerals and glasses.

Joseph Barrell

Joseph Barrell (1869–1919) was an American geologist and engineer who joined Yale in 1903, known for work on isostasy, sedimentation, geologic time, and the origin of the Earth.

Joseph G. Richardson

Joseph G. Richardson (1923–2007) was an American petroleum reservoir engineer whose waterflooding research at Humble Oil and Exxon earned election to the National Academy of Engineering in 1988.

Joseph Hoover Mackin

Joseph Hoover Mackin (1905–1968) was an American geomorphologist known for the graded river concept in his 1948 paper, a mainstay of fluvial geomorphology; he was a National Academy of Sciences member.

Joseph J. Pignatello

Joseph J. Pignatello is an American environmental chemist who led a 38-year research program at the Connecticut Agricultural Experiment Station in New Haven, studying contaminant sorption and water oxidation.

Joseph LeConte

Joseph LeConte (1823–1901) was an American geologist, chemist, and educator, the first professor of geology at the University of California, Berkeley, and a founding Sierra Club member.

Joseph P. Colgan

Joseph P. Colgan is an American research geologist with the U.S. Geological Survey in Denver who studies Cenozoic tectonics and volcanism in the western United States.

Joseph P. Iddings

Joseph P. Iddings (1857–1920) was an American petrologist who worked for the U.S. Geological Survey, deciphered Yellowstone's igneous geology, and co-created the C.I.P.W. classification of igneous rocks.

Joseph Tyrrell

Joseph Burr Tyrrell was a Canadian geologist with the Geological Survey of Canada who in 1884 found the Albertosaurus skull in the Alberta badlands and later explored the Barren Lands.

Joseph Victor Smith

Joseph Victor Smith (1928–2007) was an English mineralogist and crystallographer who spent 45 years as a University of Chicago professor, known for feldspar crystal structures, zeolite frameworks, and Apollo lunar sample analysis.

Josiah Whitney

Josiah Dwight Whitney was an American geologist who directed the California Geological Survey from 1860 to 1874 and later taught at Harvard; Mount Whitney is named for him.

Jovan Cvijić

Jovan Cvijić (Јован Цвијић, 1865–1927) was a Serbian geographer who founded karstology, served as rector of the University of Belgrade, and advised at the 1919 Paris peace conference.