Dr. James H. Churnside Profile

Dr. James H. Churnside

Physicist at National Oceanic and Atmospheric Administration

SPIE Involvement:

Author

Publications (28)

SPIE Journal Paper | 4 April 2022 Open Access

Marine aerosols produced by ocean internal waves

James Churnside, Brian Concannon, James Thompson

JARS, Vol. 16, Issue 02, 024501, (April 2022) https://doi.org/10.1117/12.10.1117/1.JRS.16.024501

KEYWORDS: Aerosols, LIDAR, Scattering, Ocean optics, Atmospheric particles, Modulation, Temperature metrology, Signal attenuation, Telescopes, Surface roughness

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SPIE Journal Paper | 19 July 2021

Machine learning-based region of interest detection in airborne lidar fisheries surveys

Trevor Vannoy, Jackson Belford, Joseph Aist, Kyle Rust, Michael Roddewig, James Churnside, Joseph A. Shaw, Bradley M. Whitaker

JARS, Vol. 15, Issue 03, 038503, (July 2021) https://doi.org/10.1117/12.10.1117/1.JRS.15.038503

KEYWORDS: LIDAR, Neural networks, Machine learning, Inspection, Polarization, MATLAB, Optical inspection, Visualization, Telescopes, Evolutionary algorithms

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SPIE Journal Paper | 23 August 2017

Airborne lidar detection of an underwater thermal vent

Michael Roddewig, James Churnside, Joseph Shaw

JARS, Vol. 11, Issue 03, 036014, (August 2017) https://doi.org/10.1117/12.10.1117/1.JRS.11.036014

KEYWORDS: LIDAR, Photography, Pulsed laser operation, Computer engineering, Earth's atmosphere, Atmospheric sensing, Computing systems, Analytical research, Optical instrument design, Instrumentation engineering

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SPIE Journal Paper | 20 July 2017 Open Access

Review of profiling oceanographic lidar (erratum)

James Churnside

OE, Vol. 56, Issue 07, 079802, (July 2017) https://doi.org/10.1117/12.10.1117/1.OE.56.7.079802

KEYWORDS: Profiling, LIDAR, Optical engineering, Analytical research, Refractive index

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SPIE Journal Paper | 1 March 2017 Open Access

Dual-polarization airborne lidar for freshwater fisheries management and research

Michael Roddewig, Nathan Pust, James Churnside, Joseph Shaw

OE, Vol. 56, Issue 03, 031221, (March 2017) https://doi.org/10.1117/12.10.1117/1.OE.56.3.031221

KEYWORDS: LIDAR, Receivers, Research management, Signal to noise ratio, Water, Signal attenuation, Calibration, Scattering, Pulsed laser operation, Ecosystems

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SPIE Journal Paper | 6 November 2015 Open Access

Bio-optical model to describe remote sensing signals from a stratified ocean

James Churnside

JARS, Vol. 9, Issue 01, 095989, (November 2015) https://doi.org/10.1117/12.10.1117/1.JRS.9.095989

KEYWORDS: Remote sensing, LIDAR, Reflectivity, Signal attenuation, Scattering, Data modeling, Biological research, Atmospheric modeling, Optical properties, Water

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SPIE Journal Paper | 16 June 2015 Open Access

Optical remote sensing of sound in the ocean

James Churnside, Konstantin Naugolnykh, Richard Marchbanks

JARS, Vol. 9, Issue 01, 096038, (June 2015) https://doi.org/10.1117/12.10.1117/1.JRS.9.096038

KEYWORDS: Acoustics, Modulation, LIDAR, Signal to noise ratio, Ocean optics, Remote sensing, Signal detection, Protactinium, Receivers, Light scattering

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Proceedings Article | 19 May 2015 Paper

Bio-optical model of remote sensing signals in a stratified ocean

James Churnside

Proceedings Volume 9459, 94590M (2015) https://doi.org/10.1117/12.2179770

KEYWORDS: Remote sensing, Scattering, Signal attenuation, Reflectivity, Optical properties, Water, Passive remote sensing, LIDAR, Active remote sensing, Light scattering

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Proceedings Article | 23 May 2014 Paper

Optical remote sensing of sound in the ocean

James Churnside, Konstantin Naugolnykh, Richard Marchbanks

Proceedings Volume 9111, 91110T (2014) https://doi.org/10.1117/12.2052930

KEYWORDS: Acoustics, Modulation, LIDAR, Signal to noise ratio, Ocean optics, Receivers, Remote sensing, Light scattering, Sensors, Scattering

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SPIE Journal Paper | 6 December 2013 Open Access

Review of profiling oceanographic lidar

James Churnside

OE, Vol. 53, Issue 05, 051405, (December 2013) https://doi.org/10.1117/12.10.1117/1.OE.53.5.051405

KEYWORDS: LIDAR, Scattering, Signal attenuation, Absorption, Profiling, Laser scattering, Receivers, Polarization, Light scattering, Backscatter

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Proceedings Article | 3 June 2013 Paper

Effect of surface roughness on lidar overlap function

James Churnside

Proceedings Volume 8724, 872409 (2013) https://doi.org/10.1117/12.2015942

KEYWORDS: Receivers, LIDAR, Transmitters, Surface roughness, Photons, Signal attenuation, Ocean optics, Geometrical optics, Ray tracing, Telescopes

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SPIE Journal Paper | 5 December 2012 Open Access

Airborne lidar detection and characterization of internal waves in a shallow fjord

James Churnside, Richard Marchbanks, Jennifer Lee, Joseph Shaw, Alan Weidemann, Percy Donaghay

JARS, Vol. 6, Issue 01, 063611, (December 2012) https://doi.org/10.1117/12.10.1117/1.JRS.6.063611

KEYWORDS: LIDAR, Scattering, Polarization, Wave propagation, Photography, Turbulence, Receivers, Dielectric polarization, Transmitters, Signal attenuation

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Proceedings Article | 12 June 2012 Paper

Airborne lidar sensing of internal waves in a shallow fjord

James Churnside, Richard Marchbanks, Jennifer Lee, Joseph Shaw, Alan Weidemann, Percy Donaghay

Proceedings Volume 8372, 83720P (2012) https://doi.org/10.1117/12.918099

KEYWORDS: LIDAR, Polarization, Wave propagation, Wave sensors, Receivers, Light scattering, Scattering, Telescopes, Analytical research, Mouth

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Proceedings Article | 12 June 2012 Paper

Biological thin layers: history, ecological significance and consequences to oceanographic sensing systems

James Sullivan, Michael Twardowski, Percy Donaghay, Jan Rines, Malcolm McFarland, Siddharth Talapatra, Joseph Katz, James Churnside, Alan Weidemann

Proceedings Volume 8372, 83720U (2012) https://doi.org/10.1117/12.921156

KEYWORDS: Acoustics, Organisms, Ocean optics, Scattering, Sensing systems, Particles, Defense and security, Backscatter, Neodymium, Imaging systems

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Proceedings Article | 14 September 2011 Paper

Lidar as a tool for fisheries management

James Churnside, Doyle Hanan, Zachary Hanan, Richard Marchbanks

Proceedings Volume 8159, 81590J (2011) https://doi.org/10.1117/12.892560

KEYWORDS: LIDAR, Photography, Cameras, Image enhancement, Polarization, Receivers, Telescopes, Acoustics, Global Positioning System, Analytical research

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SPIE Journal Paper | 1 January 2011

Ocean color patterns help to predict depth of optical layers in stratified coastal waters

Martín Montes-Hugo, Alan Weidemann, Richard Gould, Robert Arnone, James Churnside, Ewa Jaroz

JARS, Vol. 5, Issue 1, 053548, (January 2011) https://doi.org/10.1117/12.10.1117/1.3634055

KEYWORDS: Ocean optics, Water, Reflectivity, Optical properties, Remote sensing, Optical testing, Biomedical optics, Geometrical optics, Scattering, In situ metrology

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Proceedings Article | 19 August 2009 Paper

Spectral variability of airborne ocean color data linked to variations in lidar backscattering profiles

M. Montes-Hugo, R. Gould, Z. Lee, R. Arnone, D. Gray, J. Churnside

Proceedings Volume 7459, 74590F (2009) https://doi.org/10.1117/12.840551

KEYWORDS: LIDAR, Backscatter, Ocean optics, Sensors, Water, Reflectivity, Remote sensing, Optical properties, Optical testing, Signal attenuation

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Proceedings Article | 13 March 2007 Paper

Development and application of lidar technology for environmental studies

R. Hardesty, R. Alvarez, R. Banta, W. Brewer, J. Churnside, L. Darby, J. Machol, C. Senff, S. Tucker

Proceedings Volume 6604, 66041X (2007) https://doi.org/10.1117/12.727195

KEYWORDS: LIDAR, Ozone, Doppler effect, Aerosols, Turbulence, Atmospheric particles, Water, Velocity measurements, Carbon monoxide, Wind measurement

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Proceedings Article | 18 August 2005 Paper

Polarization lidar measurements of honeybees for locating buried landmines

Joseph Shaw, Nathan Seldomridge, Dustin Dunkle, Paul Nugent, Lee Spangler, James Churnside, James Wilson, Jerry Bromenshenk, Colin Henderson

Proceedings Volume 5888, 58880P (2005) https://doi.org/10.1117/12.618446

KEYWORDS: LIDAR, Land mines, Light scattering, Scattering, Polarization, Laser scattering, Signal detection, Visualization, Explosives, Video

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SPIE Journal Paper | 1 March 2001

Airborne lidar for fisheries applications

James Churnside, James Wilson, Viatcheslav Tatarskii

OE, Vol. 40, Issue 03, (March 2001) https://doi.org/10.1117/12.10.1117/1.1348000

KEYWORDS: LIDAR, Signal attenuation, Scattering, Water, Polarization, Receivers, Signal processing, Reflectivity, Image processing, Calibration

Proceedings Article | 28 October 1999 Paper

Can we see fish from an airplane?

James Churnside

Proceedings Volume 3761, (1999) https://doi.org/10.1117/12.366482

KEYWORDS: LIDAR, Water, Scattering, Calibration, Telescopes, Particles, Oceanography, Acoustics, Receivers, Global Positioning System

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Proceedings Article | 3 July 1998 Paper

Calculation of signals for oceanographic lidar

Kunal Mitra, James Churnside

Proceedings Volume 3382, (1998) https://doi.org/10.1117/12.312619

KEYWORDS: LIDAR, Scattering, Signal attenuation, Radiative transfer, Optical properties, Water, Phase measurement, Pulsed laser operation, Ocean optics, Spherical lenses

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Proceedings Article | 3 July 1998 Paper

Infrared laser-glint sensor for measuring fractal sea-surface roughness

Joseph Shaw, James Churnside

Proceedings Volume 3382, (1998) https://doi.org/10.1117/12.312621

KEYWORDS: Sensors, Infrared sensors, Fractal analysis, Surface roughness, Infrared radiation, Signal processing, Mirrors, Infrared lasers, Laser processing, Carbon dioxide lasers

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Proceedings Article | 2 July 1997 Paper

Laser-glint techniques for sensing sea-surface roughness

Joseph Shaw, James Churnside

Proceedings Volume 3059, (1997) https://doi.org/10.1117/12.277606

KEYWORDS: Sensors, Temperature metrology, Infrared sensors, Remote sensing, Infrared lasers, Laser development, Helium neon lasers, Specular reflections, Interfaces, Infrared radiation

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Proceedings Article | 6 February 1997 Paper

Measurements of the attenuation coefficient of a lidar in the Southern California Bight

James Churnside

Proceedings Volume 2963, (1997) https://doi.org/10.1117/12.266375

KEYWORDS: Signal attenuation, LIDAR, Polarization, Sensors, Receivers, Light scattering, Optical testing, Particles, Signal detection, Water

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Proceedings Article | 13 November 1996 Paper

Laser remote sensing of epipelagic fishes

James Churnside, John Hunter

Proceedings Volume 2964, (1996) https://doi.org/10.1117/12.258352

KEYWORDS: LIDAR, Acoustics, Water, Reflectivity, Signal attenuation, Biological research, Visualization, Sensors, Image processing, Remote sensing

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Proceedings Article | 15 September 1993 Paper

Possibilities of using IR spectrometer data for sizing cirrus cloud particles

Sergey Matrosov, David Lynch, James Churnside

Proceedings Volume 1934, (1993) https://doi.org/10.1117/12.154923

KEYWORDS: Clouds, Particles, Ozone, Atmospheric particles, Radar, Reflectivity, Spectroscopy, Infrared spectroscopy, Transparency, Temperature metrology

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Proceedings Article | 1 December 1991 Paper

Infrared spectrometer for ground-based profiling of atmospheric temperature and humidity

Joseph Shaw, James Churnside, Edward Westwater

Proceedings Volume 1540, (1991) https://doi.org/10.1117/12.48773

KEYWORDS: Calibration, Infrared radiation, Infrared spectroscopy, Spectroscopy, Humidity, Clouds, Profiling, Atmospheric modeling, Microwave radiation, Far infrared

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Showing 5 of 28 publications

Conference Committee Involvement (4)

Ocean Sensing and Monitoring VII

21 April 2015 | Baltimore, MD, United States

Ocean Sensing and Monitoring VI

6 May 2014 | Baltimore, MD, United States

Ocean Sensing and Monitoring V

30 April 2013 | Baltimore, Maryland, United States

Ocean Sensing and Monitoring IV

24 April 2012 | Baltimore, Maryland, United States

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