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Jacobel, A.W., Anderson, R.F., Costa, K.M., Gottschalk, J., Middleton, J.L., Pavia, F.J., Shoenfelt, E.M., Zhou, Y. (accepted) No evidence for equatorial Pacific dust fertilization. Nature Geo.

Costa, K.M., McManus, J.F., Winckler, G., Anderson, R.F., Middleton, J. L., Mukhopadhyay, S (in revision) Dust deposition in the East Subarctic Pacific on glacial-interglacial timescales. Earth Planet. Sci. Letters.


Costa, K. M., R. F. Anderson, J. F. McManus, G. Winckler, J. L. Middleton, C. H. Langmuir. (2018) Trace element (Mn, Zn, Ni, V) and authigenic uranium (aU) geochemistry reveal sedimentary redox history on the Juan de Fuca Ridge, North Pacific Ocean. Geochim. Cosmochim. Acta PDF

Costa, K.M., McManus, J.F., Anderson, R.F. (2018) Paleo-productivity and stratification across the Subarctic Pacific over glacial-interglacial cycles. Paleoc. Paleoclim. 33, doi: 10.1029/2018PA003363. PDF


Costa, K. M., J. F. McManus, R. F. Anderson. (2017) Radiocarbon and stable isotope evidence for changes in sediment mixing in the North Pacific over the past 30kyr. Radiocarbon. PDF

Costa K. M., A. W. Jacobel, J. F. McManus, R. F. Anderson, G. Winckler, N. Thiagarajan. (2017) Productivity patterns in the Equatorial Pacific over the last 30,000 years. Global Biogeochem. Cycles, 31. PDF

Costa, K. M., J. F. McManus. (2017) Efficacy of 230Th normalization in sediments from the Juan de Fuca Ridge, northeast Pacific Ocean. Geochim. Cosmochim. Acta 197, 215–225. PDF

Costa, K. M., J. F. McManus, J. L. Middleton, C. H. Langmuir, P. J. Huybers, G. Winckler, S. Mukhopadhyay. (2017) Hydrothermal deposition on the Juan de Fuca Ridge over multiple glacial-interglacial cycles. Earth and Planetary Science Letters, 479, 120-132. PDF

Ferguson D.J., Y. Li, C. H. Langmuir, K. M. Costa, J. F. McManus, P. Huybers, S. M. Carbotte. (2017) A 65 k.y. time series from sediment-hosted glasses reveals rapid transitions in ocean ridge magmas. Geology, 4–7. PDF


Costa, K. M., J. F. McManus, R. F. Anderson, H. Ren, D. M. Sigman, G. Winckler, M. Q. Fleisher, F. Marcantonio, and A. C. Ravelo. (2016) No iron fertilization in the equatorial Pacific Ocean during the last ice age, Nature, 529(7587), 519–522. PDF

Costa, K. M., J. F. McManus, B. Boulahanis, S. M. Carbotte, G. Winckler, P. Huybers, and C. H. Langmuir. (2016) Sedimentation, stratigraphy and physical properties of sediment on the Juan de Fuca Ridge, Mar. Geol., 380, 163–173. PDF


Costa, K. M., J. M. Russell, H. Vogel, and S. Bijaksana. (2015) Hydrological connectivity and mixing of Lake Towuti, Indonesia in response to paleoclimatic changes over the last 60,000 years, Palaeogeogr. Palaeoclimatol. Palaeoecol., 417, 467–475. PDF


Costa, K., J. Russell, B. Konecky, and H. Lamb. (2014) Isotopic reconstruction of the African Humid Period and Congo Air Boundary migration at Lake Tana, Ethiopia, Quat. Sci. Rev., 83, 58–67. PDF

Russell, J. M., H. Vogel, B. L. Konecky, S. Bijaksana, Y. Huang, M. Melles, N. Wattrus, K. Costa, and J. W. King (2014), Glacial forcing of central Indonesian hydroclimate since 60,000 y B.P., Proc. Natl. Acad. Sci., 2–7. PDF