Kraft, K., Haraguchi, L., Hällfors, H., Suikkanen, S., Ylöstalo, P., Kielosto, S., Skyttä, A., Laakso, L., Honkanen, M., Kahru, M., & Seppälä, J. (2025). Monitoring cyanobacteria blooms with complementary measurements – a similar story told using high-throughput imaging, optical sensors, light microscopy, and satellite-based methods. Harmful Algae, 147, 102865. https://doi.org/10.1016/j.hal.2025.102865

Chen, T., Kahru, M., Landry, M. R., Ohman, M. D., Thompson, A. R., & Stukel, M. R. (2024). Multi‐Trophic Level Responses to Marine Heatwave Disturbances in the California Current Ecosystem. Ecology Letters, 27(12), e14502. https://doi.org/10.1111/ele.14502

Kahru, M., Lee, Z., & Ohman, M. D. (2023). Multidecadal changes in ocean transparency: Decrease in a coastal upwelling region and increase offshore. Limnology and Oceanography, lno.12365. https://doi.org/10.1002/lno.12365

Valente, A., Sathyendranath, S., Brotas, V., Groom, S., Grant, M., Jackson, T., Chuprin, A., Taberner, M., Airs, R., Antoine, D., Arnone, R., Balch, W. M., Barker, K., Barlow, R., Bélanger, S., Berthon, J.-F., Beşiktepe, Ş., Borsheim, Y., Bracher, A., … Zibordi, G. (2022). A compilation of global bio-optical in situ data for ocean colour satellite applications – version three. Earth System Science Data, 14(12), 5737–5770. https://doi.org/10.5194/essd-14-5737-2022

Kahru, M., Bittig, H., Elmgren, R., Fleming, V., Lee, Z., & Rehder, G. (2022). Baltic Sea transparency from ships and satellites: centennial trends. Marine Ecology Progress Series, 697, 1–13. https://doi.org/10.3354/meps14151

Weber, E. D., Auth, T. D., Baumann-Pickering, S., Baumgartner, T. R., Bjorkstedt, E. P., Bograd, S. J., Burke, B. J., Cadena-Ramirez, J. L., Daly, E. A., de la Cruz, M., Dewar, H., Field, J. C., Fisher, J. L., Giddings, A., Goericke, R., Gomez-Ocampo, E., Gomez-Valdes, J., Hazen, E. L., Hildebrand, J., … Zeman, S. M. (2021). State of the California Current 2019-2020: Back to the future with marine heatwaves? Frontiers in Marine Science, 8, 23. https://doi.org/10.3389/fmars.2021.709454

Kahru, M., Anderson, C., Barton, A. D., Carter, M. L., Catlett, D., Send, U., Sosik, H. M., Weiss, E. L., & Mitchell, B. G. (2021). Satellite detection of dinoflagellate blooms off California by UV reflectance ratios. Elementa-Science of the Anthropocene, 9(1). https://doi.org/10.1525/elementa.2020.00157

Kaiser, J., Wasmund, N., Kahru, M., Wittenborn, A. K., Hansen, R., Hausler, K., Moros, M., Schulz-Bull, D., & Arz, H. W. (2020). Reconstructing N-2-fixing cyanobacterial blooms in the Baltic Sea beyond observations using 6-and 7-methylheptadecane in sediments as specific biomarkers. Biogeosciences, 17(9), 2579–2591. https://doi.org/10.5194/bg-17-2579-2020

Kahru, M., Goericke, R., Kelly, T. B., & Stukel, M. R. (2020). Satellite estimation of carbon export by sinking particles in the California Current calibrated with sediment trap data. Deep-Sea Research Part Ii-Topical Studies in Oceanography, 173. https://doi.org/10.1016/j.dsr2.2019.104639

Ruhl, H. A., Bahr, F. L., Henson, S. A., Hosking, W. B., Espinola, B., Kahru, M., Daniel, P., Drake, P., & Edwards, C. A. (2020). Understanding the remote influences of ocean weather on the episodic pulses of particulate organic carbon flux. Deep-Sea Research Part Ii-Topical Studies in Oceanography, 173. https://doi.org/10.1016/j.dsr2.2020.104741

Kahru, M., Elmgren, R., Kaiser, J., Wasmund, N., & Savchuk, O. (2020). Cyanobacterial blooms in the Baltic Sea: Correlations with environmental factors. Harmful Algae, 92. https://doi.org/10.1016/j.hal.2019.101739

Thompson, A. R., Schroeder, I. D., Bograd, S. J., Hazen, E. L., Jacox, M. G., Leasing, A., Wells, B. K., Largier, J., Fisher, J. L., Jacobson, K. C., Zeman, S. M., Bjorkstedt, E. P., Robertson, R. R., Kahru, M., Goericke, R., Peabody, C. E., Baumgartner, T. R., Lavaniegos, B. E., Miranda, L. E., … Melin, S. R. (2019). State of the California Current 2018-19: A novel anchovy regime and a new marine heat wave? California Cooperative Oceanic Fisheries Investigations Reports, 60, 1–65.

Sathyendranath, S., Brewin, R. J. W., Brockmann, C., Brotas, V., Calton, B., Chuprin, A., Cipollini, P., Couto, A. B., Dingle, J., Doerffer, R., Donlon, C., Dowell, M., Farman, A., Grant, M., Groom, S., Horseman, A., Jackson, T., Krasemann, H., Lavender, S., … Platt, T. (2019). An ocean-colour time series for use in climate studies: The experience of the Ocean-Colour Climate Change Initiative (OC-CCI). Sensors, 19(19). https://doi.org/10.3390/s19194285

Jiang, M., Measures, C. I., Barbeau, K. A., Charette, M. A., Gille, S. T., Hatta, M., Kahru, M., Mitchell, B. G., Garabato, A. C. N., Reiss, C., Selph, K., & Zhou, M. (2019). Fe sources and transport from the Antarctic Peninsula shelf to the southern Scotia Sea. Deep-Sea Research Part I-Oceanographic Research Papers, 150. https://doi.org/10.1016/j.dsr.2019.06.006

Valente, A., Sathyendranath, S., Brotas, V., Groom, S., Grant, M., Taberner, M., Antoine, D., Arnone, R., Balch, W. M., Barker, K., Barlow, R., Belanger, S., Berthon, J. F., Besiktepe, S., Borsheim, Y., Bracher, A., Brando, V., Canuti, E., Chavez, F., … Zibordi, G. (2019). A compilation of global bio-optical in situ data for ocean-colour satellite applications - version two. Earth System Science Data, 11(3), 1037–1068. https://doi.org/10.5194/essd-11-1037-2019

Thompson, A. R., Schroeder, I. D., Bograd, S. J., Hazen, E. L., Jacox, M. G., Leising, A., Wells, B. K., Largier, J. L., Fisher, J. L., Jacobson, K., Zeman, S., Bjorkstedt, E. P., Robertson, R. R., Chavez, F. P., Kahru, M., Goericke, R., McClatchie, S., Peabody, C. E., Baumgartner, T. R., … Melin, S. R. (2018). State of the California Current 2017-18: Still not quite normal in the north and getting interesting in the south. California Cooperative Oceanic Fisheries Investigations Reports, 59, 2–66.

Smith, K. L., Ruhl, H. A., Huffard, C. L., Messie, M., & Kahru, M. (2018). Episodic organic carbon fluxes from surface ocean to abyssal depths during long-term monitoring in NE Pacific. Proceedings of the National Academy of Sciences of the United States of America, 115(48), 12235–12240. https://doi.org/10.1073/pnas.1814559115

Kelly, T. B., Goericke, R., Kahru, M., Song, H., & Stukel, M. R. (2018). CCE II: Spatial and interannual variability in export efficiency and the biological pump in an eastern boundary current upwelling system with substantial lateral advection. Deep-Sea Research Part I-Oceanographic Research Papers, 140, 14–25. https://doi.org/10.1016/j.dsr.2018.08.007

Kahru, M., Jacox, M. G., & Ohman, M. D. (2018). CCE1: Decrease in the frequency of oceanic fronts and surface chlorophyll concentration in the California Current System during the 2014-2016 northeast Pacific warm anomalies. Deep-Sea Research Part I-Oceanographic Research Papers, 140, 4–13. https://doi.org/10.1016/j.dsr.2018.04.007

Kahru, M., Elmgren, R., Di Lorenzo, E., & Savchuk, O. (2018). Unexplained interannual oscillations of cyanobacterial blooms in the Baltic Sea. Scientific Reports, 8. https://doi.org/10.1038/s41598-018-24829-7

Kahru, M., Lee, Z. P., & Mitchell, B. G. (2017). Contemporaneous disequilibrium of bio-optical properties in the Southern Ocean. Geophysical Research Letters, 44(6), 2835–2842. https://doi.org/10.1002/2016gl072453

Anderson, C. R., Kudela, R. M., Kahru, M., Chao, Y., Rosenfeld, L. K., Bahr, F. L., Anderson, D. M., & Norris, T. A. (2016). Initial skill assessment of the California Harmful Algae Risk Mapping (C-HARM) system. Harmful Algae, 59, 1–18. https://doi.org/10.1016/j.hal.2016.08.006

Kahru, M., Lee, Z. P., Mitchell, B. G., & Nevison, C. D. (2016). Effects of sea ice cover on satellite-detected primary production in the Arctic Ocean. Biology Letters, 12(11). https://doi.org/10.1098/rsbl.2016.0223

Valente, A., Sathyendranath, S., Brotas, V., Groom, S., Grant, M., Taberner, M., Antoine, D., Arnone, R., Balch, W. M., Barker, K., Barlow, R., Belanger, S., Berthon, J. F., Besiktepe, S., Brando, V., Canuti, E., Chavez, F., Claustre, H., Crout, R., … Zibordi, G. (2016). A compilation of global bio-optical in situ data for ocean-colour satellite applications. Earth System Science Data, 8(1), 235–252. https://doi.org/10.5194/essd-8-235-2016

Melville, W. K., Lenain, L., Cayan, D. R., Kahru, M., Kleissl, J. P., Linden, P. F., & Statom, N. M. (2016). The Modular Aerial Sensing System. Journal of Atmospheric and Oceanic Technology, 33(6), 1169–1184. https://doi.org/10.1175/jtech-d-15-0067.1

Martinez-Fuentes, L. M., Gaxiola-Castro, G., Gomez-Ocampo, E., & Kahru, M. (2016). Effects of interannual events (1997-2012) on the hydrography and phytoplankton biomass of Sebastian Vizcaino Bay. Ciencias Marinas, 42(2), 81–97. https://doi.org/10.7773/cm.v42i2.2626

Lin, J. F., Lee, Z., Ondrusek, M., & Kahru, M. (2016). Attenuation coefficient of usable solar radiation of the global oceans. Journal of Geophysical Research-Oceans, 121(5), 3228–3236. https://doi.org/10.1002/2015jc011528

Kahru, M., Elmgren, R., & Savchuk, O. P. (2016). Changing seasonality of the Baltic Sea. Biogeosciences, 13(4), 1009–1018. https://doi.org/10.5194/bg-13-1009-2016

Cloern, J. E., Abreu, P. C., Carstensen, J., Chauvaud, L., Elmgren, R., Grall, J., Greening, H., Johansson, J. O. R., Kahru, M., Sherwood, E. T., Xu, J., & Yin, K. D. (2016). Human activities and climate variability drive fast-paced change across the world’s estuarine-coastal ecosystems. Global Change Biology, 22(2), 513–529. https://doi.org/10.1111/gcb.13059

Kahru, M., Kudela, R. M., Anderson, C. R., & Mitchell, B. G. (2015). Optimized merger of ocean chlorophyll algorithms of MODIS-Aqua and VIIRS. Ieee Geoscience and Remote Sensing Letters, 12(11), 2282–2285. https://doi.org/10.1109/lgrs.2015.2470250

Stukel, M. R., Kahru, M., Benitez-Nelson, C. R., Décima, M., Goericke, R., Landry, M. R., & Ohman, M. D. (2015). Using Lagrangian-based process studies to test satellite algorithms of vertical carbon flux in the eastern North Pacific Ocean. Journal of Geophysical Research-Oceans, 120(11), 7208–7222. https://doi.org/10.1002/2015jc011264

Lee, Z. P., Marra, J., Perry, M. J., & Kahru, M. (2015). Estimating oceanic primary productivity from ocean color remote sensing: A strategic assessment. Journal of Marine Systems, 149, 50–59. https://doi.org/10.1016/j.jmarsys.2014.11.015

Kahru, M., Jacox, M. G., Lee, Z., Kudela, R. M., Manzano-Sarabia, M., & Mitchell, B. G. (2015). Optimized multi-satellite merger of primary production estimates in the California Current using inherent optical properties. Journal of Marine Systems, 147, 94–102. https://doi.org/10.1016/j.jmarsys.2014.06.003

Kahru, M., Lee, Z., Kudela, R. M., Manzano-Sarabia, M., & Mitchell, B. G. (2015). Multi-satellite time series of inherent optical properties in the California Current. Deep-Sea Research Part Ii-Topical Studies in Oceanography, 112, 91–106. https://doi.org/10.1016/j.dsr2.2013.07.023

Jacox, M. G., Edwards, C. A., Kahru, M., Rudnick, D. L., & Kudela, R. M. (2015). The potential for improving remote primary productivity estimates through subsurface chlorophyll and irradiance measurement. Deep-Sea Research Part Ii-Topical Studies in Oceanography, 112, 107–116. https://doi.org/10.1016/j.dsr2.2013.12.008

Saba, V. S., Hyde, K. J. W., Rebuck, N. D., Friedland, K. D., Hare, J. A., Kahru, M., & Fogarty, M. J. (2015). Physical associations to spring phytoplankton biomass interannual variability in the US Northeast Continental Shelf. Journal of Geophysical Research-Biogeosciences, 120(2), 205–220. https://doi.org/10.1002/2014jg002770

Leising, A. W., Schroeder, I. D., Bograd, S. J., Bjorkstedt, E. P., Field, J., Sakuma, K., Abell, J., Robertson, R. R., Tyburczy, J., Peterson, W. T., Brodeur, R., Barcelo, C., Auth, T. D., Daly, E. A., Campbell, G. S., Hildebrand, J. A., Suryan, R. M., Gladics, A. J., Horton, C. A., … Peterson, J. (2014). State of the California Current 2013-14: El Nino looming. California Cooperative Oceanic Fisheries Investigations Reports, 55, 51–87.

Kahru, M., Kudela, R. M., Anderson, C. R., Manzano-Sarabia, M., & Mitchell, B. G. (2014). Evaluation of satellite retrievals of ocean chlorophyll-a in the California Current. Remote Sensing, 6(9), 8524–8540. https://doi.org/10.3390/rs6098524

Kahru, M., & Elmgren, R. (2014). Multidecadal time series of satellite-detected accumulations of cyanobacteria in the Baltic Sea. Biogeosciences, 11(13), 3619–3633. https://doi.org/10.5194/bg-11-3619-2014

Smith, K. L., Sherman, A. D., Huffard, C. L., McGill, P. R., Henthorn, R., Von Thun, S., Ruhl, H. A., Kahru, M., & Ohman, M. D. (2014). Large salp bloom export from the upper ocean and benthic community response in the abyssal northeast Pacific: Day to week resolution. Limnology and Oceanography, 59(3), 745–757. https://doi.org/10.4319/lo.2014.59.3.0745

Neal, B. P., Condit, C., Liu, G., dos Santos, S., Kahru, M., Mitchell, B. G., & Kline, D. I. (2014). When depth is no refuge: cumulative thermal stress increases with depth in Bocas del Toro, Panama. Coral Reefs, 33(1), 193–205. https://doi.org/10.1007/s00338-013-1081-6

Cape, M. R., Vernet, M., Kahru, M., & Spreen, G. (2014). Polynya dynamics drive primary production in the Larsen A and B embayments following ice shelf collapse. Journal of Geophysical Research-Oceans, 119(1), 572–594. https://doi.org/10.1002/2013jc009441

Sydeman, W. J., Thompson, S. A., Garcia-Reyes, M., Kahru, M., Peterson, W. T., & Largier, J. L. (2014). Multivariate ocean-climate indicators (MOCI) for the central California Current: Environmental change, 1990-2010. Progress in Oceanography, 120, 352–369. https://doi.org/10.1016/j.pocean.2013.10.017

Smith, K. L., Ruhl, H. A., Kahru, M., Huffard, C. L., & Sherman, A. D. (2013). Deep ocean communities impacted by changing climate over 24 y in the abyssal northeast Pacific Ocean. Proceedings of the National Academy of Sciences of the United States of America, 110(49), 19838–19841. https://doi.org/10.1073/pnas.1315447110

Ohman, M. D., Rudnick, D. L., Chekalyuk, A., Davis, R. E., Feely, R. A., Kahru, M., Kim, H. J., Landry, M. R., Martz, T. R., Sabine, C. L., & Send, U. (2013). Autonomous ocean measurements in the California Current ecosystem. Oceanography, 26(3), 18–25.

Frants, M., Gille, S. T., Hatta, M., Hiscock, W. T., Kahru, M., Measures, C. I., Mitchell, B. G., & Zhou, M. (2013). Analysis of horizontal and vertical processes contributing to natural iron supply in the mixed layer in southern Drake Passage. Deep-Sea Research Part Ii-Topical Studies in Oceanography, 90, 68–76. https://doi.org/10.1016/j.dsr2.2012.06.001

Frants, M., Gille, S. T., Hewes, C. D., Holm-Hansen, O., Kahru, M., Lombrozo, A., Measures, C. I., Mitchell, B. G., Wang, H. L., & Zhou, M. (2013). Optimal multiparameter analysis of source water distributions in the Southern Drake Passage. Deep-Sea Research Part Ii-Topical Studies in Oceanography, 90, 31–42. https://doi.org/10.1016/j.dsr2.2012.06.002

Maiti, K., Charette, M. A., Buesseler, K. O., & Kahru, M. (2013). An inverse relationship between production and export efficiency in the Southern Ocean. Geophysical Research Letters, 40(8), 1557–1561. https://doi.org/10.1002/grl.50219

Kahru, M., Kudela, R. M., Manzano-Sarabia, M., & Mitchell, B. G. (2012). Trends in the surface chlorophyll of the California Current: Merging data from multiple ocean color satellites. Deep-Sea Research Part Ii-Topical Studies in Oceanography, 77–80, 89–98.

Landry, M. R., Ohman, M. D., Goericke, R., Stukel, M. R., Barbeau, K. A., Bundy, R., & Kahru, M. (2012). Pelagic community responses to a deep-water front in the California Current Ecosystem: overview of the A-Front Study. Journal of Plankton Research, 34(9), 739–748. https://doi.org/10.1093/plankt/fbs025