Biography
Research Interests
- Marine Biochemistry
- Nitrogen Fixation
- Dissolved organic nutrients
- Marine nitrogen stable isotope geochemistry
Selected Publications
*Denotes undergraduate from Knapp lab; # denotes graduate student from Knapp lab
2024 #Thomas, R.K., Fawcett, S.E., #Forrer, H.J., Robinson, C.M., and A.N. Knapp, Estimates of the isotope effect for nitrate assimilation in the Indian sector of the Southern Ocean, Journal of Geophysical Research-Oceans, 129, e2023JC020830. https://doi.org/10.1029/2023JC020830
2024 Casciotti, K.L., Marshall, T.A., Fawcett, S.E., and A.N. Knapp, Advances in understanding the marine nitrogen cycle in the GEOTRACES era, Oceanography, 37(2), https://doi.org/10.5670/oceanog.2024.406
2023 #Liang, Z., Letscher, R.T., and A.N. Knapp, Global patterns of surface ocean dissolved organic matter stoichiometry, Global Biogeochemical Cycles, 37, e2023GB007788, doi.org/10.1029/2023GB007788
2023 Broek, T.A.B., M.D. McCarthy, H. L. Ianiri, J.S. Vaughn, H.E. Mason, and A.N. Knapp, A new paradigm for dissolved organic nitrogen composition, cycling, and persistence in the ocean, Proceedings of the National Academy of Sciences, 120(49), doi.org/10.1073/pnas.2305763120
2023 #Forrer, H., Bonnet, S., #Thomas, R.K., Grosso, O., Guieu, C., and A.N. Knapp, Quantifying N2 fixation and its contribution to export production near the Tonga-Kermadec Arc using nitrogen isotope budgets, Frontiers in Marine Science, 10, doi.org/10.3389/fmars/.2023.1249115
2023 Shao, Z., Xu, Y., Wang, H., Luo, W., Wang, L., Huang, Y., …Knapp, A.N., Luo, Y.-W., Version 2 of the global oceanic diazotroph database, Earth System Science Data, 15(8), 3673-3709, doi.org/10.5194/essd-15-3673-2023
2023 *Miranda, C.; Boiteau, R.; McKenna, A.M.; and A.N. Knapp; Quantitative and qualitative comparison of marine dissolved organic nitrogen recovery using solid phase extraction; Limnology & Oceanography: Methods, doi.org/10.1002/lom3.10558
2023 Bonnet, S., Guieu, C., Taillandier, V., Boulart, C., Bouruet-Aubertot, P., Gazeau, F., Scalabrin, C., Bressac, M., Knapp, A.N., Cuypers, Y., Gonzalez-Santana, D., #Forrer, H.J., Grisoni, J.-M., Grosso, O., Habasque, J., Jardin-Camps, M., Leblond, N., Le Moigne, F.A.C., Lebourges-Dhaussy, A., Lory, C., Nunige, S., Pulido-Villena, E., Rizzo, A., Sarthou, G., Tilliette, C., Natural iron fertilization by shallow hydrothermal sources fuels diazotroph blooms in the Ocean, Science, 380, 812-817, doi:10.1126/science.abq4654
2022 #Liang, Z., #McCabe, K., Fawcett, S.E., #Forrer, H.J., Hashihama, F., Jeandel, C., Marconi, D., Planquette, H., Saito, M.A., Sohm, J.A., #Thomas, R.K., Letscher, R.T., and A.N. Knapp, A global ocean dissolved organic phosphorus (DOP) concentration database (DOPv2021), Scientific Data, 9, 722, doi.org/10.1038/s41597-022-01873-7
2022 Letscher, R.T., Wang, W.-L., #Liang, Z., and Knapp, A.N., Regionally variable contribution of dissolved organic phosphorus to marine annual net community production, Global Biogeochem. Cycles, 36, e2022GB007354. https://doi.org/10.1029/2022GB007354
2022 #Liang, Z., Letscher, R.T., and A.N. Knapp; Phosphate and iron stress control global surface ocean dissolved organic phosphorus concentrations; Nature Geosciences, 15(8), 651-657, doi:10.1038/s41561-022-00988-1