Publications

2025

Houskeeper H.F. and S.B. Hooker. “The primacy of colored dissolved organic matter to aquatic light variability.” Biogeosciences (Accepted 2025).

Oliver, H., J. Turner, A. Castagna, H.F. Houskeeper, and H. Dierssen. “High Antarctic coastal productivity in polynyas revealed by considering remote sensing ice-adjacency effects.” Limnology and Oceanography Letters (Accepted 2025).

Arafeh-Dalmau, N., J.C. Villaseñor-Derbez, D. Schoeman, A. Mora-Soto, T.W. Bell, C. Butler, M. Costa, L. Dunga, H.F. Houskeeper, C. Lagger, C. Pantano, D. Laínez del Pozo, K.J. Sink, J. Sletten, T. Vincent, F. Micheli, and Ky.C. Cavanaugh. “Intensifying marine heatwaves and limited protection threaten global kelp forests.” Nature Communications 16, no. 3173 (April 2025). https://doi.org/10.1038/s41467-025-58054-4.

Gonzalez-Aragon, D., R. Muñoz, H.F. Houskeeper, Ky.C. Cavanaugh, W. García-Tuñon, L. Farias, C. Lara, and B. Broitman. “Seasonal and inter-annual dynamics of a Macrocystis pyrifera forest in Concepcion Bay, Chile.” Ecological Informatics 87, no. 103013 (March 2025). https://doi.org/10.1016/j.ecoinf.2025.103103.

2024

Houskeeper, H.F., S.B. Hooker, and R.N. Lind. “Expanded linear responsivity for Earth and planetary radiometry.” Journal of Atmospheric and Oceanic Technology 41, no. 11 (November 2024): 1093-1105. https://doi.org/10.1175/JTECH-D-23-0133.1.

Kudela, R.M., S.B. Hooker, L.S. Guild, H.F. Houskeeper, and N. Taylor. “Expanded signal to noise ratio estimates for validating next-generation satellite sensors in oceanic, coastal, and inland waters.” Special Issue, Optical Remote Sensing of the Atmosphere and Oceans in Remote Sensing 16, (March 2024): 1238. https://doi.org/10.3390/rs16071238.

2023

Houskeeper, H.F., and S.B. Hooker. “Extending aquatic spectral information with the first radiometric IR-B observations.” PNAS Nexus 2, no. 11 (October 2023): pgad340. https://doi.org/10.1093/pnasnexus/pgad340.

Bell, T.W., Ky.C. Cavanaugh, V.R. Saccomanno, Ka.C. Cavanaugh, H.F. Houskeeper, N. Eddy, F. Shuetzenmeister, N. Rindlaub, and M. Gleason. “Kelpwatch: A visualization and analysis tool to explore kelp canopy dynamics reveals variable response to and recovery from marine heatwaves." PLoS One 18, no. 3 (March 2023): e0271477. https://doi.org/10.1371/ journal.pone.0271477.

2022

Marquez, L., E. Fragkopoulou, Ky.C. Cavanaugh, H.F. Houskeeper, and J. Assis. “Artificial intelligence convolutional neural networks map giant kelp forests from satellite imagery." Scientific Reports 12, no. 22196 (December 2022). https://doi.org/10.1038/s41598-022-26439-w.

Mantha, K., R. Sankar, Y. Zheng, L. Fortson, T. Pengo, D. Mashek, M. Sanders, T. Christensen, J. Salisbury, L. Trouille, J.E.K. Byrnes, I. Rosenthal, H.F. Houskeeper, and Ky.C. Cavanaugh. “From Fat Deposits to Floating Forests: Cross-Domain Transfer Learning using PatchGAN-based Segmentation Model.” CIKM/HIL-DC (October 2022). https://doi.org/10.48550/arXiv.2211.03937.

Houskeeper, H.F., S.B. Hooker, and Ky.C. Cavanaugh. “Spectrally simplified approach for leveraging legacy geostationary oceanic observations." Applied Optics 61, no. 27 (September 2022): 7966-7977. https://doi.org/10.1364/AO.465491.

Hooker, S.B., H.F. Houskeeper, R.M. Kudela, K. Suzuki, and R.N. Lind. “Verification and validation of hybridspectral radiometry obtained from an unmanned surface vessel (USV) in the open and coastal oceans." Special Issue, Recent Advances in Ocean Physics, Geochemistry and Biology from Unmanned Marine Vehicles in Remote Sensing 14, no. 5 (February 2022): 1084. https://doi.org/10.3390/rs14051084.

Houskeeper, H.F., I.S. Rosenthal, Ka.C. Cavanaugh, C. Pawlak, L. Trouille, J.E.K. Byrnes, T.W. Bell, and Ky.C. Cavanaugh. “Variability of giant kelp in the Islas Malvinas or Falkland Islands based on historical satellite imagery" PLoS One 17, no. 1 (January 2022): e0257933. https://doi.org/10.1371/journal.pone.0257933.

2021

Hooker, S.B., H.F. Houskeeper, R.N. Lind, and K. Suzuki. “One- and two-band sensors and algorithms to derive aCDOM(440) from global above- and in-water optical observations.” Sensors 21, no. 16 (July 2021): 5384. https://doi.org/10.3390/s21165384.

Hooker, S.B., H.F. Houskeeper, R.M. Kudela, A. Matsuoka, K. Suzuki, and T. Isada. “Spectral modes of radiometric measurements in optically complex waters.” Continental Shelf Research 219 (April 2021): 104357. https://doi.org/10.1016/j.csr.2021.104357.

McPherson, M.L., D.J.I. Finger, H.F. Houskeeper, T.W. Bell, M.R. Carr, L. Rogers-Bennett, and R.M. Kudela. “Large-scale shift in the structure of a kelp forest ecosystem co-occurs with an epizootic and marine heatwave." Communications Biology 4, no. 1 (March 2021): 298. https://doi.org/10.1038/s42003-021-01827-6.

Finger, D.J.I., M.L. McPherson, H.F. Houskeeper, and R.M. Kudela. “Mapping bull kelp canopy in northern California using Landsat to enable long-term monitoring." Remote Sensing of Environment 254 (March 2021): 112243. https://doi.org/10.1016/j.rse.2020.112243.

Houskeeper, H.F., S.B. Hooker, and R.M. Kudela. “Spectral range within global aCDOM(440) algorithms for oceanic, coastal, and inland waters with application to airborne measurements." Remote Sensing of Environment 253C (February 2021): 112155. https://doi.org/10.1016/j.rse.2020.112155.

2020 and so on

Guild, L.S., R.M. Kudela, S.B. Hooker, S.L. Palacios, and H.F. Houskeeper. “Airborne radiometry for calibration, validation, and research in oceanic, coastal, and inland waters." Frontiers in Environmental Science 8, no. 585529 (November 2020): 209. https://doi.org/10.3389/fenvs.2020.585529.

Houskeeper, H.F., D. Draper, R.M. Kudela, and E. Boss. “Chlorophyll absorption and phytoplankton size information inferred from hyperspectral particulate beam-attenuation." Applied Optics 59, no. 22 (August 2020): 6765-6773. https://doi.org/10.1364/AO.396832.

Hooker, S.B., A. Matsuoka, R.M. Kudela, Y. Yamashita, K. Suzuki, and H.F. Houskeeper. “A global end-member approach to derive aCDOM(440) from near-surface optical measurements." Biogeosciences 17, no. 2 (January 2020): 475-497. https://doi.org/10.5194/bg-17-475-2020.

Houskeeper, H.F. and R.M. Kudela. “Ocean color quality control masks contain the high phytoplankton fraction of coastal ocean observations." Special Issue, Coastal Waters Monitoring Using Remote Sensing Technology in Remote Sensing 11, no. 18 (September 2019): 2167. https://doi.org/10.3390/rs11182167.

Kudela, R.M., S.B. Hooker, H.F. Houskeeper, and M.L. McPherson. “The influence of signal to noise ratio of legacy airborne and satellite sensors for simulating next-generation coastal and inland water products." Special Issue, State-of-the-Art Remote Sensing in North America 2019 in Remote Sensing 11, no. 18 (September 2019): 2071. https://doi.org/10.3390/rs11182071.

Hooker, S.B., R.N. Lind, J.H. Morrow, J.W. Brown, K. Suzuki, H.F. Houskeeper, T. Hirawake, and E.R. Maúre. Enhanced legacy and state-of-the-art instrument suites. Vol. 1 of Advances in Above- and In-Water Radiometry. NASA Goddard Space Flight Center, Greenbelt, Maryland, 68pp. (November 2018): NASA/TP-2018-219033/Vol. 1.

Hooker, S.B., R.N. Lind, J.H. Morrow, J.W. Brown, R.M. Kudela, H.F. Houskeeper, and K. Suzuki. Autonomous atmospheric and oceanic observing systems. Vol. 2 of Advances in Above- and In-Water Radiometry. NASA Goddard Space Flight Center, Greenbelt, Maryland, 69 pp. (November 2018): NASA/TP-2018-219033/Vol. 2.

Hooker, S.B., R.N. Lind, J.H. Morrow, J.W. Brown, R.M. Kudela, H.F. Houskeeper, and K. Suzuki. Hybridspectral next-generation optical instruments. Vol. 3 of Advances in Above- and In-Water Radiometry. NASA Goddard Space Flight Center, Greenbelt, Maryland, 39 pp. (November 2018): NASA/TP-2018-219033/Vol. 3.