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Dr. S. Nemiah Ladd

S. Nemiah Ladd

Postdoctoral Researcher
Earth Sciences


  ECN Member

Expertise & Interests

PAGES interests        ECN, Iso2k, Aquatic Transitions
Topics        Biogeochemical processes, Human impacts & interactions, Proxy development, Water
Timescales        Anthropocene (last 100 years), Holocene
Regions        Pacific Ocean, Tropics
Archives        Lake sediments
Sector        Academia / Education, Research
Discipline        (Paleo)limnology, Sedimentology
Laboratory        Geochemistry, Isotopes



Nelson, D., Ladd S.N., Schubert, C.J., and Kahmen, A. (2018) “Rapid transport and large-scale deposition of recently synthesized plant biomarkers through aerosol processes.” Geochimica et Cosmochimica Acta 222, 599-617. DOI: 10.1016/j.gca.2017.11.018

Ladd, S.N., Dubois, N., and Schubert, C.J. (2017) “Interplay of community dynamics, temperature, and productivity on hydrogen isotope signatures of lipid biomarkers.” Biogeosciences 14, 3979-3994. DOI:10.5194/bg-14-3979-2017

He, D., Ladd, S.N., Sachs, J.P., and Jaffé, R. (2017) “Inverse relationships between salinity and 2H/1H fractionation in leaf wax n-alkanes from Florida mangroves.” Organic Geochemistry 110, 1-12. DOI:10.1016/j.orggeochem.2017.04.007

Ladd, S.N. and Sachs, J.P. (2017) “2H/1H fractionation in lipids of the mangrove Bruguiera gymnorhiza increases with salinity in marine lakes of Palau.” Geochimica et Cosmochimica Acta 204, 300-312. DOI: 10.1016/j.gca.2017.01.046

Ladd, S.N. and Sachs, J.P. (2015) “Influence of salinity on hydrogen isotope fractionation in Rhizophora mangroves from Micronesia.” Geochimica et Cosmochimica Acta 168, 206-221, DOI:10.1016/j.gca.2015.07.004

Ladd, S.N. and Sachs, J.P. (2015) “Hydrogen isotope response to changing salinity and rainfall in Australian mangroves.” Plant, Cell & Environment 38, 2674-2687, DOI:10.1111/pce.12579

Myrhvold, C.L., Janny, F., Nelson, D., Ladd S.N., Atwood, A., and Sachs, J.P. (2014) “Holocene Closure of Lib Pond, Marshall Islands.” PLoS One 9(3): e90939. DOI: 10.1371/journal.pone.0090939

Ladd, S.N. and Sachs, J.P. (2013) “Positive correlation between salinity and n-alkane ?13C values in the mangrove Avicennia marina.” Organic Geochemistry 64, 1-8, DOI: 10.1016/j.orggeochem.2013.08.011

Ladd, S.N. and Sachs, J.P. (2012) “Inverse relationship between salinity and n-alkane ?D values in the mangrove Avicennia marina.” Organic Geochemistry 48, 25-36, DOI: 10.1016/j.orggeochem.2012.04.009

Sachs, J.P. and Ladd, S.N. (2010) “Climate and oceanography of the Galapagos in the 21st century: expected changes and research needs.” Galapagos Research 67, 50-54