Northwest Fisheries Science Center

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NWFSC Publications for Lawrence Hufnagle

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14 record(s) found.

Chu, D., J. M. Jech, S. D. Tomich, L. C. Hufnagle Jr. 2015. A high resolution acoustic imaging system to map interior fish morphology. Marine Technology Society Journal.Go to metadata icon

Tomich, S. D., L. C. Hufnagle, Jr., and D. Chu. Development of an Automated Acoustic Calibration System for fisheries acoustic survey in press for the Proceedings of the MTS/IEEE Oceans 2009, Biloxi, MS, USA.Go to metadata icon

Fleischer, G. W., K. D. Cooke, P. H. Ressler, R. E. Thomas, S. de Blois, L. C. Hufnagle Jr. 2008. The 2005 integrated acoustic and trawl survey of Pacific hake, Merluccius productus, in U.S. and Canadian waters off the Pacific coast. U.S. Dept. of Commerce, NOAA Tech. Memo., NMFS-NWFSC-94, 41 p.Go to metadata icon

Chu, D., L. C. Hufnagle Jr. 2006. Time varying gain (TVG) measurements of a multibeam echo sounder for applications to quantitative acoustics. Proceedings MTS/IEEE Oceans 2006.Go to metadata icon

Fleischer, G. W., K. D. Cooke, P. H. Ressler, R. Thomas, S. de Blois, L. C. Hufnagle Jr., A. R. Kronlund, J. A. Holmes, C. D. Wilson. 2005. The 2003 intergrated acoustic and trawl survey of Pacific hake, Merluccius productus, in U.S. and Canadian waters off the Pacific coast. U.S. Dept. of Commerce, NOAA Tech. Memo., NMFS-NWFSC-65, 45 p.Go to metadata icon

Foote, K. G., D. Chu, T. R. Hammar, K. C. Baldwin, L. A. Mayer, L. C. Hufnagle Jr., J. M. Jech. 2005. Protocols for calibrating multibeam sonar. Acoustical Society of America, (117)2013-2027.Go to metadata icon

Jech, J. M., K. G. Foote, D. Chu, L. C. Hufnagle Jr. 2005. Comparing two 38-kHz scientific echo sounders. ICES Journal of Marine Science, 62:1168-1179.Go to metadata icon

Ylitalo, G. M., G. K. Yanagida, L. C. Hufnagle Jr., M. M. Krahn. 2005. Determination of lipid classes and lipid content in tissues of aquatic organisms using a thin layer chromatography/flame ionization detection (TLC/FID) microlipid method. Pages 227-237 in Ostrander, G. K. (Ed.) Techniques in Aquatic Toxicology. CRC Press, Boca Raton, FL.Go to metadata icon

Chu, D., K. G. Foote, T. R. Hammer, L. C. Hufnagle Jr., J. M. Jech. 2004. Calibrating a 90-kHz multibeam sonar: illustrating protocols. Pages 438-442 in Proceedings MTS/IEEE Oceans 2004.Go to metadata icon

Chu, D., K. G. Foote, L. C. Hufnagle Jr., T. R. Hammar, P. Liberatore, K. C. Baldwin, L. A. Mayer, A. McLeod. 2003. Calibrating a 90-kHz multibeam sonar. In Proceedings MTS/IEEE Oceans 2003.Go to metadata icon

Jech, J. M., D. Chu, K. G. Foote, T. R. Hammar, L. C. Hufnagle Jr. 2003. Calibrating two scientific echo sounders. In Proceedings MTS/IEEE Oceans 2003.Go to metadata icon

Chu, D., K. G. Foote, L. C. Hufnagle Jr. 2002. Measurement of multibeam sonar directivity patterns. In Proceedings MTS/IEEE Oceans 2002.Go to metadata icon

Ramsey, T. B., T. A. Turk, E. L. Fruh, J. R. Wallace, B. H. Horness, A. J. Cook, K. L. Bosley, D. J. Kamikawa, L. C. Hufnagle Jr., K. Piner. 2002. The 1999 Northwest Fisheries Science Center Pacific West Coast upper continental slope trawl survey of groundfish resources off Washington, Oregon, and California. U.S. Dept. of Commerce, NOAA Tech. Memo., NMFS-NWFSC-55, 143 p.Go to metadata icon

Hufnagle, L. C. Jr., S. E. Camarata, D. W. Ernest, C. A. Krone, S. L. Chan, M. M. Krahn. 1999. Development and application of a high-performance liquid chromatography screening method for aromatic compounds in invertebrate tissues. Archives of Environmental Contamination and Toxicology, 37:220-226.Go to metadata icon