Research Interests

Improving the accuracy of trace metal analyses by ICP-MS by discovering and eliminating interferences on the analytes of interest. Developing and improving an isotope dilution technique to measure Re in pore waters. Rare earth element geochemistry in marine sediments.

Current Research

Rare earth element cycling in and between different sedimentary phases. The influence of volcanic ash on isotopic signatures of North Pacific paleocirculation. Redox chemistry of sediments along the Oregon Margin. Pleistocene history of the Arctic Basin.

Education

2009 - M.S., Oceanography, Oregon State University, Corvallis, OR;
2000 - B.A., Environmental Studies, Lewis & Clark College, Portland, OR

Experience

Participant, R/V Oceanus OC1210A. Newport, OR, USA – Newport, OR, USA. 5–16 October 2012. Multicoring, pore water sampling, multicore sectioning, water column sampling.

Participant, R/V Oceanus OC1204A. Newport, OR, USA – Newport, OR, USA. 16–25 April 2012. Multicoring, pore water sampling, multicore sectioning, water column sampling.

Participant, R/V Wecoma W1110A. Newport, OR, USA – Newport, OR, USA. 3–11 October 2011. Multicoring, pore water sampling, multicore sectioning, water column sampling.

Participant, R/V Endeavor EN497. Gulfport, MS, USA – Gulfport, MS, USA. 30 July – 19 August 2011. Multicoring, pore water sampling, multicore sectioning.

Participant, R/V Wecoma W1103B. Newport, OR, USA – Newport, OR, USA. 21–22 March 2011. Kasten coring.

Participant, R/V Maria S. Merian MSM 11/1. Fort-de-France, MTQ – Dakar, SEN. 16 February – 10 March 2009. Gravity coring, determinations of alkalinity and DIC in pore waters.

Participant, R/V Wecoma Cruise W0709B "BIF-II". Newport, OR, USA – Newport, OR, USA. 14–24 September 2007. Multicoring, multicore sectioning, Pore water centrifuging.

Publications

Roy, M., McManus, J., Goñi, M.A., Chase, Z., Borgeld, J.C., Wheatcroft, R.A., Muratli, J.M., Megowan, M.R., and Mix, A., 2013. Reactive iron and manganese distributions in seabed sediments near small mountainous rivers off Oregon and California (USA). Continental Shelf Research 54, 67-79. doi:10.1016/j.csr.2012.12.012

Ziebis, W., McManus, J., Ferdelman, T., Schmidt-Schierhorn, F., Bach, W., Muratli, J.M., Edwards, K.J., and Villinger, H., 2012. Interstitial fluid chemistry of sediments underlying the North Atlantic gyre and the influence of subsurface fluid flow. Earth and Planetary Science Letters 323, 79-91. doi:10.1016/j.epsl.2012.01.018

Muñoz, P., Dezileau, L., Cardenas, L., Sellanes, J., Lange, C.B., Inostroza, J., Muratli, J.M., and Salamanca, M.A., 2012. Geochemistry of trace metals in shelf sediments affected by seasonal and permanent low oxygen conditions off central Chile, SE Pacific (~36°S). Continental Shelf Research 33, 51-68. doi:10.1016/j.csr.2011.11.006

Muratli, J.M., McManus, J., Mix, A., and Chase, Z., 2012. Dissolution of fluoride complexes following microwave-assisted hydrofluoric acid digestion of marine sediments. Talanta 89, 195-200. doi:10.1016/j.talanta.2011.11.081

Muratli, J.M., Chase, Z., McManus, J., and Mix, A., 2010. Ice-sheet control of continental erosion in central and southern Chile (36°–41° S) over the last 30,000 years. Quaternary Science Reviews 29 (23-24), 3230-3239. doi:10.1016/j.quascirev.2010.06.037

Muratli, J.M., Chase, Z., Mix, A.C., and McManus, J., 2010. Increased glacial-age ventilation of the Chilean margin by Antarctic Intermediate Water. Nature Geoscience 3 (1), 23-26. doi:10.1038/NGEO715