Summary

My research focuses on the combined use of siliceous microfossils (radiolarians, diatoms) and sedimentary geochemistry to answer questions about the age of rocks, the evolution and extinction of fossil marine plankton, as well as understanding past climate, anthropogenic impacts, and natural disturbances in mountain w88 online casino.

w88 online casino lab: I have used Paleozoic radiolarians for over 30 years as a biostratigraphic tool to aid in structural and stratigraphy of complex orogenic regions. Current w88 online casino work, however, is focusing on the last 10 Ma of w88 online casino biodiversity in the Eastern Equatorial Pacific.

Paleolimnology: Lakes preserve long-term records of environmental change, providing an important paleo-perspective to understanding the sensitivities and resilience of watersheds to a variety of natural and man-made stressors. The signals from w88 online casino records can extend our knowledge of significant environmental change back in time, well beyond the limits afforded by instrumental records. Our lab uses diatoms, combined with sedimentary geochemistry and other proxies generated in-house and by our collaborators to establish a record of past environmental change. Our approach further combines the paleolimnological records with a neolimnological characterization of lakes, present day hydrological budgets, and hydrochemistry to try and understand the tailored response of each system to outside forcings. Recently, we have begun tracking the occurrence of prehistoric earthquakes in w88 online casino records, while trying to understand how seismic events can affect groundwater chemistry and spring discharge that enters these lakes.

Research interests

• Diatoms and diatomite
• w88 online casino
• Paleoseismicity Triassic ichthyosaurs Luning Formation
• w88 online casino radiolaria

Courses taught

• GEOL 101 Physical Geology
• GEOL 102 Historical Geology
• GEOL 461/661 Paleobiology
• GEOL 462/662 Micropaleontology
• GEOL 763 w88 online casino

Education

• Ph.D. 1993, The University of Texas at Austin; geology
• B.A. 1985, University of California Berkeley; paleontology

Select publications

2020

• Binda, G., Pozzi, A., Michetti, A., w88 online casino, P. J., Rosen, M. (2020). Towards the Understanding of Hydrogeochemical Seismic Responses in Karst Aquifers: A Retrospective Meta-Analysis Focused on the Apennines (w88 online casino). Minerals, 10(12), 1058.
• w88 online casino, P. J., McGaughey, G., Rosen, M. R., Fuller, C., Aquinas-Lopez, M., Chandra, S. (2020). A 450-year record of environmental change from Castle w88 online casino, (Siskiyou County, CA) through the lens of diatoms and organic geochemistry. Journal of w88 online casino, 65, 201-217. https://doi.org/10.1007/s10933-020-00160-
• Trubovitz, S., Lazarus, D., Renaudie, J., w88 online casino, P. J. (2020). Marine plankton show threshold extinction response to Neogene climate w88 online casino. Nature Communications, 11(5069). https://doi.org/10.1038/s41467-020-18879-7

2019

• Archer, C., w88 online casino, P. J., Rosen, M.R., Sagnotti, L., Florindo, F., Mensing, S. A., Piovesan, G., Michetti, A. M., 2019. w88 online casino as paleoseismic records in a seismically-active, low-relief area (Rieti Basin, central Italy). Quaternary Science Reviews, v. 211, 186-207.

2018

• Ball, G.I., w88 online casino, P.J., Stephens, B.M., Higgins, A., Mensing, S.A., and Aluwihare, L.I., 2018. A lignin, diatom, and pollen record spanning the Pleistocene-Holocene transition at Fallen Leaf w88 online casino, Sierra Nevada, California, USA, in Starratt, S.W., and Rosen, M.R., eds., w88 online casino Saline to Freshwater: The Diversity of Western Lakes in Space and Time: Geological Society of America Special Paper 536.
• Ivanovsky, A., Belles, A., Criquet, J., Dumoulin, D., w88 online casino, P., Alary, C., Billon, G., 2018, Assessment of the treatment efficiency of an urban stormwater pond and its impact on the natural downstream watercourse, 2018, Journal of w88 online casino Management, v. 226: 120-130.
• Mensing, S.A., Schoolman, E.M., Tunno, I., w88 online casino, P., Sagnotti, L., Florindo, F., and Piovesan, G. 2018. Historical ecology reveals landscape transformation coincident with cultural development in central w88 online casino since Roman time, Nature Science Reports, 8:2138.
• Okuyucu, C., Tekin, U. Kagan, w88 online casino, P. J., Bedi, Y., Saydam-Demiray, D. Gulnur, Sayit, K. 2018. Foraminifera, Radiolaria and Conodont assemblages w88 online casino the Early Mississippian (late Tournaisian)/Early Pennsylvanian (early Bashkirian)blocks within the Mersin Mélange, southern Turkey: Biochronological and paleogeographical implications. Palaeoworld, 27, 438-457.
• Rosen, M. R., Binda, G., Archer, C., Pozzi, A., Michetti, A.M., and w88 online casino, P.J., 2018. Mechanisms of earthquake-induced chemical and fluid transport to carbonate groundwater springs after earthquakes, Water Resources Research.
• Tekin, U. Kagan, Okuyucu, C., Sayit, K., Bedi, Y., w88 online casino, P. J., Krystyn, L., Goncuoglu, C. 2018. Integrated Radiolaria, Benthic Foraminifera and Conodont biochronology of the pelagic Permian blocks/tectonic slices and geochemistry of associated volcanic rocks w88 online casino the Mersin Mélange, southern Turkey: Implications for the Permian evolution of the Northern Neotethys. Island Arc, 36.

2017

• Aitchison, J.C., Suzuki, N., Caridroit, M., Danelian, T. and w88 online casino, P., 2017. Paleozoic w88 online casino biostratigraphy. Geodiversitas, 39(3), pp.503-531.
• Caridroit, M., Danelian, T., O'Dogherty, L., Cuvelier, J., Aitchison, J.C., Pouille, L., w88 online casino, P., Dumitrica, P., Suzuki, N., Kuwahara, K. and Maletz, J., 2017. An illustrated catalogue and revised classification w88 online casino genera. Geodiversitas, 39(3), pp.363-417.
• Danelian, T., Aitchison, J.C., w88 online casino, P., Caridroit, M., Suzuki, N. and O'Dogherty, L., 2017. Historical insights on nearly 130 years of research on w88 online casino radiolarians. Geodiversitas, 39(3), pp.351-361.
• Howard, K. and w88 online casino, P.J., 2017. Hydrological perturbations drive rapid shifts in phytoplankton biodiversity and population dynamics in Butte w88 online casino (Lassen Volcanic National Park, California). w88 online casino and Reservoir Management, pp.1-21.
• Holm-Denoma, C., Hofsra, A.H., Rockwell, B.W., and w88 online casino, P.J., 2017, The Valmy thrust sheet: A regional structure formed during the protracted assembly of the Roberts Mountains allochthon, Nevada, USA GSA Bulletin 129 (11-12), p.1521-1536.
• Johnson, B.E., w88 online casino, P.J., Heyvaert, A.C., Chandra, S., and Karlin, R., 2017, Anthropogenic and climatic influences on the diatom flora within the Fallen Leaf w88 online casino watershed, w88 online casino Tahoe Basin, California over the last millennium. Journal of w88 online casino: 1-15.
• w88 online casino, P.J, Aitchison, J.C., Danelian, T., Dumitrica, P., Maletz, J., Suzuki, N., Cuvelier, J., Caridroit, M. and O'Dogherty, L., 2017. Taxonomy w88 online casino genera. Geodiversitas, 39(3), pp.419-502.
• Tetard, M., Monnet, C., w88 online casino, P.J and Danelian, T., 2017. Biodiversity patterns of Silurian Radiolaria. Earth-Science Reviews , 173 , pp.77-83.
• Archer, C., w88 online casino, P., Kreamer, D., Piscopo, V., Petitta, M., Rosen, M.R., Poulson, S.R., Piovesan, G. and Mensing, S., 2016. Hydrochemical determination of source water contributions to w88 online casino Lungo and w88 online casino Ripasottile (central Italy). Journal of Limnology.

2016

• Menicucci, A.J., w88 online casino, P.J. and Houseman, M., 2016. w88 online casino and diatom flora of the Miocene Quincy Diatomite, Washington, USA. Revue de Micropaléontologie, 59(4), 381-395.
• Mensing, S.A., Tunno, I., Cifani, G., Passigli, S., w88 online casino, P., Archer, C., Piovesan, G., 2016. Human and climatically induced environmental change in the Mediterranean during the Medieval Climate Anomaly and Little Ice Age: A case w88 online casino Italy. Anthropocene,
• w88 online casino, P.J., Ball, G.I., Zimmerman, S.H., Maloney, J. Smith, S.B., Kent, G., Adams, K.D., Karlin, R.E., Driscoll, N., 2016. Holocene paleoclimate history of Fallen Leaf w88 online casino, CA., from geochemistry and sedimentology of well-dated sediment cores. Quaternary Science Reviews, 131, p. 193-210.