Peer-reviewed Publications

19. Neubauer, C., A. Cremiere, X. T. Wang, N. Thiagarajan, A. L. Sessions, J. F. Adkins, N. F. Dalleska, A. V. Turchyn, J. A. Clegg, A. Moradian, M. J. Sweredoski, S. D. Garbis, J. M. Eiler,
Stable Isotope Analysis of Intact Oxyanions Using Electrospray Quadrupole-Orbitrap Mass Spectrometry. Analytical Chemistry (2020).

18. Sims, Z. C., A. L. Cohen, V. H. Luu, X. T. Wang, D. M. Sigman, Uptake of groundwater nitrogen by a near-shore coral reef community on Bermuda. Coral Reefs (2019).

17. Duprey, N. N., X. T. Wang, T. Kim, J. D. Cybulski, H. B. Vonhof, P. J. Crutzen, G. H. Haug, D. M. Sigman, A. Martínez‐García, D. M. Baker, Megacity development and the demise of coastal coral communities: evidence from coral skeleton δ15N records in the Pearl River estuary. Global Change Biology (2019).

16. Kast, E. R., D. A. Stolper, A. Auderset, J. A. Higgins, H. Ren, X. T. Wang, A. Martinez-Garcia, G. H. Haug, D. M. Sigman, Nitrogen isotope evidence for expanded ocean suboxia in the early Cenozoic. Science (2019). doi: 10.1126/science.aau5784.

In the news:

Princeton News: Princeton geoscientists find new fallout from ‘the collision that changed the world’

15. Wang, X. T., A. L. Cohen, V. Luu, H. Ren, Z. Su, G. H. Haug, D. M. Sigman, Natural forcing of the North Atlantic nitrogen cycle in the Anthropocene. Proceedings of the National Academy of Sciences (2018). doi: 10.1073/pnas.1801049115.

In the news:

Princeton News:  130-year-old brain coral reveals encouraging news for open ocean video: Scientists studied skeleton of 130-year-old brain coral to learn about nitrogen pollution

The University Network: 130-Year-Old Brain Coral Reveals Nitrogen Pollution Not As Bad as Previously Thought

14. Studer, A. S., D. M. Sigman, A. Martinez-Garcia, L. M. Thole, E. Michel, S. L. Jaccard, J. Lippold, A. Mazaud, X. T. Wang, L. F. Robinson, J. F. Adkins, G. H. Haug, Increased nutrient supply to the Southern Ocean during the Holocene and its implications for the pre-industrial atmospheric CO2 rise. Nature Geoscience (2018). doi: 10.1038/s41561-018-0191-8 

In the news:

Princeton News: Carbon ‘leak’ may have warmed the planet for 11,000 years, encouraging human civilization

13. Lueders-Dumont, J. A., X. T. Wang, O. P. Jensen, D. M. Sigman, B. B. Ward, Nitrogen isotopic analysis of otolith-bound organic matter in modern and fossil fish otoliths. Geochimica et Cosmochimica Acta (2018). doi: 10.1016/j.gca.2018.01.001

12. Meng, X, L. Liu, X. T. Wang, W. Balsam, J. Chen, J. Ji, Mineralogical evidence of reduced East Asian summer monsoon rainfall on the Chinese loess plateau during early Pleistocene interglacials. Earth and Planetary Science Letters (2018). doi: 10.1016/j.epsl.2017.12.048

11. Tornabene, C., R. C. Martindale, X. T. Wang, M. F. Schaller, Detecting photosymbiosis in fossil Scleractinian corals. Scientific Reports (2017). doi: 10.1038/s41598-017-09008-4

10. Ren, H., Y. Chen, X. T. Wang, G. T. F. Wong, A. L. Cohen, T. M. DeCarlo, M. A. Weigand, H. S. Meng, D. M. Sigman, 21st century rise in anthropogenic nitrogen deposition on a remote coral reef. Science (2017). doi: 10.1126/science.aal3869

In the news:

Princeton News: Nitrogen contained in coral provides evidence of human impact on the open ocean

9. Duprey, N., X. T. Wang, P. D. Thompson, J. Pleadwell, L. J. Raymundo, K. Kim, D. M. Sigman, D. M. Baker, Life and death of a sewage treatment plant recorded in a coral skeleton δ15N record. Marine Pollution Bulletin (2017). doi: 10.1016/j.marpolbul.2017.04.023

8. Wang, X. T., D. M. Sigman, M. G. Prokopenko, J. F. Adkins, L. F. Robinson, S. K. Hines, J. Chai, A. S. Studer, A. Martinez-Garcia, T. Chen, G. H. Haug, Deep-sea coral evidence for lower Southern Ocean surface nitrate concentrations during the last ice age. Proceedings of the National Academy of Sciences (2017). doi: 10.1073/pnas.1615718114

In the news:

Caltech NewsCold Climates and Ocean Carbon Sequestration

Princeton Research: Deep-sea corals reveal why atmospheric carbon was lower during the ice ages

7. Frankowiak, K., X. T. Wang, D. M. Sigman, A. M. Gothmann, M. V. Kitahara, M. Mazur, A. Meibom, and J. Stolarski, Photosymbiosis and the expansion of shallow-water corals. Science Advances (2016). doi: 10.1126/sciadv.1601122

In the news:

Princeton News: When corals met algae: Symbiotic relationship crucial to reef survival dates to the Triassic

Discover Magazine: Can an Ancient Friendship Help Save Corals?

Washington Post: Global warming could be breaking up this 200 million year old relationship

6. Wang, X. T., D. M. Sigman, A. L. Cohen, D. J. Sinclair, R. M. Sherrell, K. M. Cobb, D. V. Erler, J. Stolarski, M. V. Kitahara and H. Ren, Influence of open ocean nitrogen supply on the skeletal δ15N of modern shallow-water scleractinian corals. Earth and Planetary Science Letter (2016)doi: 10.1016/j.epsl.2016.02.032

5. Erler, D.V., X. T. Wang, D. M. Sigman, S. R. Scheffers, A. Martinez-Garcia, and G. H. Haug, Nitrogen isotopic composition of organic matter from a 168 year-old coral skeleton: Implications for coastal nutrient cycling in the Great Barrier Reef Lagoon. Earth and Planetary Science Letter (2016). doi: 10.1016/j.epsl.2015.11.023

4. Li G., X. T. Wang, Z. Yang, A. J. West, C. Mao and J. Ji, Dam-triggered organic carbon sequestration makes the Changjiang (Yangtze) river basin (China) a significant carbon sink. Journal of Geophysical Research-Biogeosciences (2015). doi: 10.1002/2014JG002646 

3. Erler, D.V., X. T. Wang, D. M. Sigman, S. R. Scheffers and B. O. Shepherd, Controls on the nitrogen isotopic composition of shallow water corals across a tropical reef flat transect. Coral Reefs (2015). doi: 10.1007/s00338-014-1215-5

2. Wang, X. T., D. M. Sigman, A. L. Cohen, D. J. Sinclair, R. M. Sherrell, M. A. Weigand, D. V. Erler and H. Ren, Isotopic composition of skeleton-bound organic nitrogen in reef-building symbiotic corals: A new method and proxy evaluation at Bermuda. Geochimica et Cosmochimica Acta (2015). doi: 10.1016/j.gca.2014.09.017

1. Wang, X. T., M. G. Prokopenko, D. M. Sigman, J. F. Adkins, L. F. Robinson, H. Ren, S. Oleynik, B. Williams and G. H. Haug, Isotopic composition of carbonate-bound organic nitrogen in deep-sea scleractinian corals: A new window into past biogeochemical change. Earth and Planetary Science Letters (2014). doi: 10.1016/j.epsl.2014.05.048

Other Publications

1. Fusion Energy via Magnetic Confinement: An Energy Technology Distillate.  Andlinger Center for Energy and the Environment, Princeton University (2016). Website