Search Results - "Timothy JULL, A. J."

Fire-induced erosion and millennial-scale climate change in northern ponderosa pine forests by Pierce, J.L, Meyer, G.A, Jull, A.J.T

“…Western US ponderosa pine forests have recently suffered extensive stand-replacing fires followed by hillslope erosion and sedimentation. These fires are…”
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Annual radiocarbon record indicates 16th century BCE date for the Thera eruption by Pearson, Charlotte L, Brewer, Peter W, Brown, David, Heaton, Timothy J, Hodgins, Gregory W L, Jull, A J Timothy, Lange, Todd, Salzer, Matthew W

“…The mid-second millennium BCE eruption of Thera (Santorini) offers a critically important marker horizon to synchronize archaeological chronologies of the…”
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Publisher Correction: Rapid 14C excursion at 3372-3371 BCE not observed at two different locations by Jull, A. J. Timothy, Panyushkina, Irina P., Molnár, Mihály, Varga, Tamás, Wacker, Lukas, Brehm, Nicolas, Laszló, Elemér, Baisan, Chris, Salzer, Matthew W., Tegel, Willy

“…A Correction to this paper has been published: https://doi.org/10.1038/s41467-021-21647-w…”
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Rapid 14C excursion at 3372-3371 BCE not observed at two different locations by Timothy Jull, A. J., Panyushkina, Irina P., Molnár, Mihály, Varga, Tamás, Wacker, Lukas, Brehm, Nicolas, Laszló, Elemér, Baisan, Chris, Salzer, Matthew W., Tegel, Willy

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Atom counting with accelerator mass spectrometry by Kutschera, Walter, Jull, A. J. Timothy, Paul, Michael, Wallner, Anton

“…Accelerator mass spectrometry (AMS) was born in the late 1970s, when it was realized at nuclear physics laboratories that the accelerator systems can be used…”
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Coupled European and Greenland last glacial dust activity driven by North Atlantic climate by Újvári, Gábor, Stevens, Thomas, Molnár, Mihály, Demény, Attila, Lambert, Fabrice, Varga, György, Jull, A. J. Timothy, Páll-Gergely, Barna, Buylaert, Jan-Pieter, Kovács, János

“…Centennial-scale mineral dust peaks in last glacial Greenland ice cores match the timing of lowest Greenland temperatures, yet little is known of equivalent…”
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Petrology and geochemistry of feldspathic impact-melt breccia Abar al' Uj 012, the first lunar meteorite from Saudi Arabia by Mészáros, Marianna, Hofmann, Beda A., Lanari, Pierre, Korotev, Randy L., Gnos, Edwin, Greber, Nicolas D., Leya, Ingo, Greenwood, Richard C., Jull, A. J. Timothy, Al-Wagdani, Khalid, Mahjoub, Ayman, Al-Solami, Abdulaziz A., Habibullah, Siddiq N.

“…Abar al' Uj (AaU) 012 is a clast‐rich, vesicular impact‐melt (IM) breccia, composed of lithic and mineral clasts set in a very fine‐grained and…”
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Fluctuating radiocarbon offsets observed in the southern Levant and implications for archaeological chronology debates by Manning, Sturt W., Griggs, Carol, Lorentzen, Brita, Ramsey, Christopher Bronk, Chivall, David, Jull, A. J. Timothy, Lange, Todd E.

“…Considerable work has gone into developing high-precision radiocarbon (14C) chronologies for the southern Levant region during the Late Bronze to Iron…”
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Eccentricity-paced geomagnetic field and monsoon rainfall variations over the last 870 kyr by Zhou, Weijian, Kong, Xianghui, Paterson, Greig A, Sun, Youbin, Wu, Yubin, Ao, Hong, Xian, Feng, Du, Yajuan, Tang, Ling, Zhou, Jie, Shi, Zhengguo, Jull, A J Timothy, Zhao, Guoqing, An, Zhisheng

“…Whether there are links between geomagnetic field and Earth's orbital parameters remains unclear. Synchronous reconstructions of parallel long-term…”
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The L3-6 chondritic regolith breccia Northwest Africa (NWA) 869: (II) Noble gases and cosmogenic radionuclides by WELTEN, Kees, CAFFEE, Marc W., FRANKE, Luitgard, Timothy JULL, A. J., LeCLERC, Marlene D., METZLER, Knut, OTT, Ulrich

“…– We measured cosmogenic radionuclides and noble gases in the L3–6 chondrite breccia Northwest Africa (NWA) 869, one of the largest meteorite finds from the…”
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Characteristics of the Sahara as a meteorite recovery surface by Aboulahris, Maria, Chennaoui Aoudjehane, Hasnaa, Rochette, Pierre, Gattacceca, Jérôme, Jull, A. J. Timothy, Laridhi Ouazaa, Nejia, Folco, Luigi, Buhl, Svend

“…We describe the geological, geomorphological, and paleoclimatic setting of the Sahara of North Africa in particular, focused on the main meteorite dense…”
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Modulation of Cosmogenic Tritium in Meteoric Precipitation by the 11-year Cycle of Solar Magnetic Field Activity by Palcsu, László, Morgenstern, Uwe, Sültenfuss, Jürgen, Koltai, Gabriella, László, Elemér, Temovski, Marjan, Major, Zoltán, Nagy, Judit T., Papp, László, Varlam, Carmen, Faurescu, Ionut, Túri, Marianna, Rinyu, László, Czuppon, György, Bottyán, Emese, Jull, A. J. Timothy

“…The relationship between the atmospheric concentration of cosmogenic isotopes, the change of solar activity and hence secondary neutron flux has already been…”
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Two billion years of magmatism recorded from a single Mars meteorite ejection site by Lapen, Thomas J, Righter, Minako, Andreasen, Rasmus, Irving, Anthony J, Satkoski, Aaron M, Beard, Brian L, Nishiizumi, Kunihiko, Jull, A J Timothy, Caffee, Marc W

“…The timing and nature of igneous activity recorded at a single Mars ejection site can be determined from the isotope analyses of Martian meteorites. Northwest…”
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Interplay between the Westerlies and Asian monsoon recorded in Lake Qinghai sediments since 32 ka by An, Zhisheng, Colman, Steven M., Zhou, Weijian, Li, Xiaoqiang, Brown, Eric T., Jull, A. J. Timothy, Cai, Yanjun, Huang, Yongsong, Lu, Xuefeng, Chang, Hong, Song, Yougui, Sun, Youbin, Xu, Hai, Liu, Weiguo, Jin, Zhangdong, Liu, Xiaodong, Cheng, Peng, Liu, Yu, Ai, Li, Li, Xiangzhong, Liu, Xiuju, Yan, Libin, Shi, Zhengguo, Wang, Xulong, Wu, Feng, Qiang, Xiaoke, Dong, Jibao, Lu, Fengyan, Xu, Xinwen

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The timing of the ca-660 BCE Miyake solar-proton event constrained to between 664 and 663 BCE by Panyushkina, Irina P, Jull, A J Timothy, Molnár, Mihaly, Varga, Tamás, Kontul', Ivan, Hantemirov, Rashit, Kukarskih, Vladymir, Sljusarenko, Igor, Myglan, Vladymir, Livina, Valerie

“…Extreme solar energetic particle events, known as Miyake events, are rare phenomena observed by cosmogenic isotopes, with only six documented. The timing of…”
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Douglas Fir Multiproxy Tree-Ring Data Glimpse MIS 5 Environment in the U.S. Pacific Northwest by Irina P. Panyushkina, Steven W. Leavitt, David M. Meko, Bryan A. Black, A. J. Timothy Jull, Peter Van de Water, Joe Squire, Nicholas R. Testa

“…Proxy records from the late Quaternary help in understanding climate variability on extended time scales. An ancient landslide deposit in Oregon U.S.A…”
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Evaluation of an automated EA-IRMS method for total carbon analysis of atmospheric aerosol at HEKAL by Major, István, Gyökös, Brigitta, Túri, Marianna, Futó, István, Filep, Ágnes, Hoffer, András, Furu, Enikő, Timothy Jull, A. J., Molnár, Mihály

“…Comprehensive atmospheric studies have demonstrated that carbonaceous particles are one of the main components of atmospheric aerosols over Europe. The aim of…”
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Author Correction: Tree rings reveal globally coherent signature of cosmogenic radiocarbon events in 774 and 993 CE by Büntgen, Ulf, Wacker, Lukas, Galván, J. Diego, Arnold, Stephanie, Arseneault, Dominique, Baillie, Michael, Beer, Jürg, Bernabei, Mauro, Bleicher, Niels, Boswijk, Gretel, Bräuning, Achim, Carrer, Marco, Ljungqvist, Fredrik Charpentier, Cherubini, Paolo, Christl, Marcus, Christie, Duncan A., Clark, Peter W., Cook, Edward R., D’Arrigo, Rosanne, Davi, Nicole, Eggertsson, Ólafur, Esper, Jan, Fowler, Anthony M., Gedalof, Ze’ev, Gennaretti, Fabio, Grießinger, Jussi, Grissino-Mayer, Henri, Grudd, Håkan, Gunnarson, Björn E., Hantemirov, Rashit, Herzig, Franz, Hessl, Amy, Heussner, Karl-Uwe, Jull, A. J. Timothy, Kukarskih, Vladimir, Kirdyanov, Alexander, Kolář, Tomáš, Krusic, Paul J., Kyncl, Tomáš, Lara, Antonio, LeQuesne, Carlos, Linderholm, Hans W., Loader, Neil J., Luckman, Brian, Miyake, Fusa, Myglan, Vladimir S., Nicolussi, Kurt, Oppenheimer, Clive, Palmer, Jonathan, Panyushkina, Irina, Pederson, Neil, Rybníček, Michal, Schweingruber, Fritz H., Seim, Andrea, Sigl, Michael, Churakova (Sidorova), Olga, Speer, James H., Synal, Hans-Arno, Tegel, Willy, Treydte, Kerstin, Villalba, Ricardo, Wiles, Greg, Wilson, Rob, Winship, Lawrence J., Wunder, Jan, Yang, Bao, Young, Giles H. F.

“…The original version of this Article contained an error in the Data Availability section, which incorrectly read ‘All data will be freely available via…”
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Stones from Mohave County, Arizona: Multiple falls in the "Franconia strewn field" by Hutson, Melinda, Ruzicka, Alex, Timothy Jull, A. J., Smaller, James E., Brown, Ryan

“…One of the most productive and well‐sampled dense collection areas for meteorites on Earth is the “Franconia strewn field” in Mohave County, Arizona, which…”
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Pinpointing the Source of a Lunar Meteorite: Implications for the Evolution of the Moon by Gnos, Edwin, Hofmann, Beda A., Al-Kathiri, Ali, Lorenzetti, Silvio, Eugster, Otto, Whitehouse, Martin J., Villa, Igor M., A. J. Timothy Jull, Eikenberg, Jost, Spettel, Bernhard, Krähenbühl, Urs, Franchi, Ian A., Greenwood, Richard C.

“…The lunar meteorite Sayh al Uhaymir 169 consists of an impact melt breccia extremely enriched with potassium, rare earth elements, and phosphorus [thorium,…”
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