ResearchGate link
Recent Publications
Brantley, S.L., Wen, T., Agarwal, D., Catalano, J., Schroeder, P.A., Lehnert, K., Varadharajan, C., Pett-Ridge, J.C., Engle, M., Castronova, A.M., Hooper, R. Ma, X., Jin, L., McHenry, K. Aronson, E., Shaughnessy, A.R., Derry, L., Richardson, J., Bales, J. (2021) The future low-temperature geochemical data-scape as envisioned by the U.S. geochemical community. Computers and Geosciences. https:/doi.org/10.1016/j.cageo2021.104933.
Dynarski, K. A., Pett-Ridge, J. C., & Perakis, S. (2020). Decadal-scale decoupling of soil phosphorus and molybdenum cycles by temperate nitrogen-fixing trees. Biogeochemistry, 149, 371.
McClintock, M.A, McDowell, W.H., Gonzalez, G., Schulz, M., Pett-Ridge, J.C. (2019) African dust deposition in Puerto Rico: analysis of a 20-year rainfall chemistry record and comparison with models. Atmospheric Environment. doi.org/10.1016/j.atmosenv.2019.116907
Perakis, S.S., and Pett-Ridge, J.C. (2019) Reply to Krishna et al.: Resolving age-related changes in nitrogen fixation and mineral weathering by Alnus tree species? PNAS. July 29, 2019 doi.org/10.1073/pnas.1911688116
Perakis, S.S., and Pett-Ridge, J.C. (2019) Reply to Lambers et al.: How does nitrogen-fixing red alder eat rocks? PNAS. 116 (24) 11577-11578. https://doi.org/10.1073/pnas.1906596116
Perakis, S.S., and Pett-Ridge, J.C. (2019) Nitrogen-fixing trees tap rock-derived nutrients. PNAS. 116 (11) 5009-5014. https://doi.org/10.1073/pnas.1814782116
King, E.K., Thompson, A.T, and Pett-Ridge, J.C. (2019) Underlying lithology controls trace metal mobilization during redox fluctuations. Science of Total Environment. 665: 1147-1157.
King, E.K., and Pett-Ridge, J.C. (2018) Reassessing the dissolved molybdenum isotopic composition of ocean inputs: The effect of chemical weathering and groundwater. Geology. 46: 955-958.
Chapela Lara, M., Buss, H.L., and Pett-Ridge, J.C. (2018) The effects of lithology on trace element and REE behavior during tropical weathering. Chemical Geology. 500: 88-102.
King, E.K., Perakis, S.S., and Pett-Ridge, J.C. (2018) Molybdenum isotope fractionation during adsorption to organic matter. Geochimica et Cosmochimica Acta. 222: 584-598.
Hodges, C., King, E.K., Pett-Ridge, J.C., and Thompson, A.T. (2018) The potential for iron reduction increases with rainfall in montane basaltic soils of Hawaii. Soil Science Society of America Journal. doi:10.2136/sssaj2017.06.0193.
Perakis, S.S., Pett-Ridge, J.C., and Catricala, C.E. (2017) Nutrient feedbacks to soil heterotrophic nitrogen fixation in forests. Biogeochemistry. 134:41-55.
Vance, D., Matthews, A., Keech, A., Archer, C., Hudson, G., Pett-Ridge, J.C., and Chadwick, O.A. (2016) The behavior of Cu and Zn isotopes during weathering and soil development. Chemical Geology. 445:36-53.
Hynicka, J.D., Pett-Ridge, J.C., and Perakis, S.S. (2016) Nitrogen enrichment regulates calcium sources in forests. Global Change Biology. 22:4067-4079.
King, E.K., Thompson, A., Chadwick, O.A., and Pett-Ridge, J.C. (2016) Molybdenum sources and isotopic composition during early stages of pedogenesis along a basaltic climate transect. Chemical Geology. 445:54-67.
McClintock, M., Brocard, G., Willenbring, J., Tamayo, C., Porder, S., and Pett-Ridge, J.C. (2015) Spatial variability of African dust in soils in a montane tropical landscape in Puerto Rico. Chemical Geology 412:69-81.
Marks, J.A., Perakis, S.S. King, E.K., and Pett-Ridge, J.C. (2015) Soil organic matter regulates molybdenum storage and mobility in forests. Biogeochemistry, 125: 167-183.
Marks, J., Pett-Ridge, J.C., Perakis, S., Allen, J., and McCune, B. (2015) Response of the nitrogen-fixing Lobaria pulmonaria to phosphorus, molybdenum, and vanadium. Ecosphere, 6(9) 155.
Siebert, C., Pett-Ridge, J.C., Opfergelt, S., Guichanard, R.A., Halliday, A.N., and Burton, K.W. (2015) Molybdenum isotope fractionation in soils: Influence of redox conditions, organic matter, and atmospheric inputs. Geochimica et Cosmochimica Acta. 162:1-24.
Porder, S., Johnson, A., Brocard, G., Goldsmith, G., Hao, X., and Pett-Ridge, J.C. (2015) Linking geomorphology, weathering, and cation availibility in the Luquillo Mountains of Puerto Rico. Geoderma. 249-250:100-110.
King, E.K., A. Thompson, C. Hodges, and J.C. Pett-Ridge. (2014) Towards understanding temporal and spatial patterns of molybdenum in the critical zone. Procedia Earth and Planetary Science, 10: 56-52.
Keech, A.R., A.J. West, J.C. Pett-Ridge, G.M. Henderson. (2013) Calibrating U-series tools for weathering rate and duration of a soil sequence on known ages. Earth and Planetary Science Letters. 374: 24-35.
Brantley, S.L., J.P. Megonigal, F.N. Scatena, Z. Balogh-Brunstad, R.T. Barnes, M.A. Bruns, P. van Cappelen, K. Dontsova, H. Hartnett, T. Hartshorn, A. Heimsath, E. Herndon, L. Jin, C.K. Keller, J.R. Leake, W.H. McDowell, F.C.. Meinzer, T. Mozder, S. Petsch, J. Pett-Ridge, P. Raymond, C.S. Riebe, K. Shumaker, A. Sutton-Grier, R. Walter, and K. Yoo. (2011) Twelve testable hypotheses on the geobiology of weathering. Geobiology 9(2) 140-165.
Recent Conference Presentations
Pett-Ridge, J., Goñi, M., and Haley, B. (2018) Combined fate of rock-bound carbon in watersheds. AGU Fall Meeting, Washington DC.
Pett-Ridge, J., Goñi, M., and Haley, B. (2018) Determining rates and mechanisms of geologic respiration at watershed scales. Goldschmidt conference, Boston, MA.
Hatten, J., Frey, D., Morrissette, B., Jorgensen, C., Alleau, Y., Jareke, K., Harmon, M, Perakis S., Pett-Ridge, J., Gallo, A., and Matosziuk, L. (2018) Long-term soil measurement program at the H. J. Andrews Experimental Forest. Andrews Forest LTER Annual Meeting. Corvallis, OR.
Pett-Ridge, J.C. (2017) Top-down and bottom-up controls on molybdenum isotope dynamics in the critical zone. American Chemical Society National Meeting in San Francisco, California.
Perakis, S.S., Pett-Ridge, J.C., and Catricala, C.E. (2017) Nutrient feedbacks to soil heterotrophic nitrogen fixation in forests. Ecological Society of America annual meeting, Portland, OR.
King E.K., Perakis, S.S. and Pett-Ridge, J.C. (2016) Molybdenum isotope fractionation during complexation with organic matter in the Critical Zone. AGU Fall Meeting, San Francisco, CA
King E.K., Thompson, A.T., Chadwick, O.A. and Pett-Ridge, J.C. (2016) The sources and isotopic composition of molybdenum during early stages of soil formation. Hawaii Ecosystems Meeting, Hilo HI
Pett-Ridge, J.C. (2016) Molybdenum isotopic tracers in environmental science. Goldschmidt Conference, Yokohama, Japan.
Trierweiler, A., Pett-Ridge, J.C., King, E.K., Quesada, C.A., Lloyd, J, Hedin, L.O. (2016) Biogeochemical controls of Mo and P availability and forest nutrient dynamics across the Amazon Basin. Ecological Society of America Meeting, Fort Lauderdale, FL.
Pett-Ridge, J.C. (2015) Top-down, bottom-up, and longer-term views of critical zone evolution based on isotopic tracers. Workshop on Hydro-Biogeochemical Processes: Mechanisms, Coupling, and Impact. China University of Geosciences, Wuhan, China.
Pett-Ridge, J.C. (2015) Controls on spatial variability of dust deposition and implications for phosphorus cycling. Luquillo Critical Zone Exploration Network web-seminar series.
Pett-Ridge, J.C., Hynicka, J., Perakis, S.S. (2015) Biological nitrogen enrichment shifts long-term calcium sources from weathering to atmospheric inputs. AGU Fall Meeting, San Francisco, CA.
McCarthy, A., Selker, J., Pett-Ridge, J.C. (2015) Impact of Aquifer Heterogeneities on Autotrophic Denitrification. AGU Fall Meeting, San Francisco, CA
King, E.K., and Pett-Ridge, J.C. (2015) Molybdenum isotopes and mass balance during early stages of pedogenesis. AGU Fall Meeting, San Francisco, CA.
Pett-Ridge, J.C., and Perakis, S.S. (2015) Subsurface architecture controls water flowpaths and biogeochemical fluxes in the H.J. Andrews Experimental Forest. LTER All Scientists Meeting. Estes Park, CO.
Pett-Ridge, J., Goñi, M., and Haley, B. (2018) Determining rates and mechanisms of geologic respiration at watershed scales. Goldschmidt conference, Boston, MA.
Hatten, J., Frey, D., Morrissette, B., Jorgensen, C., Alleau, Y., Jareke, K., Harmon, M, Perakis S., Pett-Ridge, J., Gallo, A., and Matosziuk, L. (2018) Long-term soil measurement program at the H. J. Andrews Experimental Forest. Andrews Forest LTER Annual Meeting. Corvallis, OR.
Pett-Ridge, J.C. (2017) Top-down and bottom-up controls on molybdenum isotope dynamics in the critical zone. American Chemical Society National Meeting in San Francisco, California.
Perakis, S.S., Pett-Ridge, J.C., and Catricala, C.E. (2017) Nutrient feedbacks to soil heterotrophic nitrogen fixation in forests. Ecological Society of America annual meeting, Portland, OR.
King E.K., Perakis, S.S. and Pett-Ridge, J.C. (2016) Molybdenum isotope fractionation during complexation with organic matter in the Critical Zone. AGU Fall Meeting, San Francisco, CA
King E.K., Thompson, A.T., Chadwick, O.A. and Pett-Ridge, J.C. (2016) The sources and isotopic composition of molybdenum during early stages of soil formation. Hawaii Ecosystems Meeting, Hilo HI
Pett-Ridge, J.C. (2016) Molybdenum isotopic tracers in environmental science. Goldschmidt Conference, Yokohama, Japan.
Trierweiler, A., Pett-Ridge, J.C., King, E.K., Quesada, C.A., Lloyd, J, Hedin, L.O. (2016) Biogeochemical controls of Mo and P availability and forest nutrient dynamics across the Amazon Basin. Ecological Society of America Meeting, Fort Lauderdale, FL.
Pett-Ridge, J.C. (2015) Top-down, bottom-up, and longer-term views of critical zone evolution based on isotopic tracers. Workshop on Hydro-Biogeochemical Processes: Mechanisms, Coupling, and Impact. China University of Geosciences, Wuhan, China.
Pett-Ridge, J.C. (2015) Controls on spatial variability of dust deposition and implications for phosphorus cycling. Luquillo Critical Zone Exploration Network web-seminar series.
Pett-Ridge, J.C., Hynicka, J., Perakis, S.S. (2015) Biological nitrogen enrichment shifts long-term calcium sources from weathering to atmospheric inputs. AGU Fall Meeting, San Francisco, CA.
McCarthy, A., Selker, J., Pett-Ridge, J.C. (2015) Impact of Aquifer Heterogeneities on Autotrophic Denitrification. AGU Fall Meeting, San Francisco, CA
King, E.K., and Pett-Ridge, J.C. (2015) Molybdenum isotopes and mass balance during early stages of pedogenesis. AGU Fall Meeting, San Francisco, CA.
Pett-Ridge, J.C., and Perakis, S.S. (2015) Subsurface architecture controls water flowpaths and biogeochemical fluxes in the H.J. Andrews Experimental Forest. LTER All Scientists Meeting. Estes Park, CO.