| N isotopic composition of dissolved organic nitrogen and nitrate at the Bermuda Atlantic Time-series Study site AN Knapp, DM Sigman, F Lipschultz Global Biogeochemical Cycles 19 (1), GB1018, 2005 | 291 | 2005 |
| Distinguishing between water column and sedimentary denitrification in the Santa Barbara Basin using the stable isotopes of nitrate DM Sigman, R Robinson, AN Knapp, A Van Geen, DC McCorkle, ... Geochemistry Geophysics Geosystems 4 (5), 1040, 2003 | 186 | 2003 |
| The sensitivity of marine N2 fixation to dissolved inorganic nitrogen A Knapp Frontiers in Microbiology 3, 374, 2012 | 185 | 2012 |
| The dual isotopes of deep nitrate as a constraint on the cycle and budget of oceanic fixed nitrogen DM Sigman, PJ DiFiore, MP Hain, C Deutsch, Y Wang, DM Karl, ... Deep Sea Research Part I: Oceanographic Research Papers 56 (9), 1419-1439, 2009 | 178 | 2009 |
| Nitrate isotopic composition between Bermuda and Puerto Rico: Implications for N2 fixation in the Atlantic Ocean AN Knapp, PJ DiFiore, C Deutsch, DM Sigman, F Lipschultz Global Biogeochemical Cycles 22 (3), GB3014, 2008 | 122 | 2008 |
| Dissolved organic nitrogen in the global surface ocean: Distribution and fate RT Letscher, DA Hansell, CA Carlson, R Lumpkin, AN Knapp Global Biogeochemical Cycles 27 (1), 141-153, 2013 | 103 | 2013 |
| Low rates of nitrogen fixation in eastern tropical South Pacific surface waters AN Knapp, KL Casciotti, WM Berelson, MG Prokopenko, DG Capone Proceedings of the National Academy of Sciences 113 (16), 4398-4403, 2016 | 95 | 2016 |
| Placing an upper limit on cryptic marine sulphur cycling DT Johnston, BC Gill, A Masterson, E Beirne, KL Casciotti, AN Knapp, ... Nature 513 (7519), 530-533, 2014 | 87 | 2014 |
| A marine nitrogen cycle fix? DG Capone, AN Knapp Nature 445 (7124), 159-160, 2007 | 82 | 2007 |
| Interbasin isotopic correspondence between upper-ocean bulk DON and subsurface nitrate and its implications for marine nitrogen cycling AN Knapp, DM Sigman, F Lipschultz, AB Kustka, DG Capone Global Biogeochemical Cycles 25 (4), GB4004, 2011 | 75 | 2011 |
| The flux and isotopic composition of reduced and total nitrogen in Bermuda rain AN Knapp, MG Hastings, DM Sigman, F Lipschultz, JN Galloway Marine Chemistry 120 (1-4), 83-89, 2010 | 71 | 2010 |
| Sensitivity of Trichodesmium erythraeum and Crocosphaera watsonii abundance and N2 fixation rates to varying NO3− and PO43− concentrations in batch cultures AN Knapp, J Dekaezemacker, S Bonnet, JA Sohm, DG Capone Aquatic Microbial Ecology 66 (3), 223-236, 2012 | 57 | 2012 |
| The speciation of copper across active gradients in nitrogen-cycle processes in the eastern tropical South Pacific JE Jacquot, Y Kondo, AN Knapp, JW Moffett Limnology and oceanography 58 (4), 1387-1394, 2013 | 52 | 2013 |
| Upwelling velocity and eddy diffusivity from 7Be measurements used to compare vertical nutrient flux to export POC flux in the Eastern Tropical South Pacific WZ Haskell II, D Kadko, DE Hammond, AN Knapp, MG Prokopenko, ... Marine Chemistry 168, 140-150, 2015 | 47 | 2015 |
| Microbial community composition and nitrogen availability influence DOC remineralization in the South Pacific Gyre RT Letscher, AN Knapp, AK James, CA Carlson, AE Santoro, DA Hansell Marine Chemistry 177, 325-334, 2015 | 43 | 2015 |
| A critical review of the 15N2 tracer method to measure diazotrophic production in pelagic ecosystems AE White, J Granger, C Selden, MR Gradoville, L Potts, A Bourbonnais, ... Limnology and Oceanography: Methods 18 (4), 129-147, 2020 | 42 | 2020 |
| Particle fluxes in San Pedro Basin, California: A four-year record of sedimentation and physical forcing LE Collins, W Berelson, DE Hammond, A Knapp, R Schwartz, D Capone Deep Sea Research Part I: Oceanographic Research Papers 58 (8), 898-914, 2011 | 42 | 2011 |
| Tropical Dominance of N2 Fixation in the North Atlantic Ocean D Marconi, DM Sigman, KL Casciotti, EC Campbell, ... Global Biogeochemical Cycles 31 (10), 1608-1623, 2017 | 38 | 2017 |
| Kīlauea lava fuels phytoplankton bloom in the North Pacific Ocean ST Wilson, NJ Hawco, EV Armbrust, B Barone, KM Björkman, AK Boysen, ... Science 365 (6457), 1040-1044, 2019 | 37 | 2019 |
| The distinct nitrogen isotopic compositions of low and high molecular weight marine DON AN Knapp, DM Sigman, AB Kustka, SA Sañudo-Wilhelmy, DG Capone Marine Chemistry 136, 24-33, 2012 | 26 | 2012 |
Daniel M. SigmanDusenbury Professor of Geological and Geophysical Sciences, Princeton UniversityVerified email at princeton.edu
