H. K. Heidemann, Stoker, J., Brown, D., Olsen, M. J., Singh, R., Williams, K., Chin, A., Karlin, A., McClung, G., Janke, J., Shan, J., Kim, K. H., Sampath, A., Ural, S., Parrish, C. E., Waters, K., Wozencraft, J., Macon, C. L., Brock, John, Wright, C. Wayne, Hopkinson, C., Pietroniro, A., Madin, I., and Conner, J., “Applications”, in Airborne Topographic Lidar Manual, Bethesda, Maryland: American Society for Photogrammetry and Remote Sensing (ASPRS), 2012, pp. 283-423.

S. Pe'eri, Madore, B., Alexander, L., Parrish, C. E., Armstrong, A. A., and Azuike, C., “LANDSAT 7 Satellite-Derived Bathymetry”, in The IHO-IOC GEBCO Cook Book, 2.25.13nd ed., vol. IHO Publication B-11 and IOC Manuals and Guides, 63, Monaco, Monaco Cedex, Monaco: International Hydrographic Office (IHO)/ International Ocean Commision (IOC), 2013.

R. T. Pack, Brooks, V., Young, J., Vilaça, N., Vatslid, S., Rindle, P., Kurz, S., Parrish, C. E., Craig, R., and Smith, P. W., “An Overview of ALS Technology”, in Airborne Topographic Lidar Manual, Bethesda, Maryland: American Society for Photogrammetry and Remote Sensing (ASPRS), 2012, pp. pp. 7-97.

S. Pe'eri, Madore, B., Alexander, L., Parrish, C. E., Klemm, A., Armstrong, A. A., Azuike, C., and Tetteh, E., “Satellite-Derived Bathymetry”, in The IHO-IOC GEBCO Cook Book (IHO Publication B-11 and IOC Manuals and Guides, 63), 11.1.16th ed., Monaco, Monaco Cedex, Monaco: International Hydrographic Office (IHO)/ International Ocean Commision (IOC), 2016, pp. 346-422.

C. E. Parrish, “Shoreline Mapping”, in Advances in Mapping from Remote Sensor Imagery: Techniques and Applications, Boca Raton, Florida: CRC Press, Taylor and Francis Group, 2012.

C. E. Parrish, “Vertical Object Identification in Full-Waveform Topographic Lidar Data”, Joint Airborne LIDAR Bathymetry Technical Center of Expertise Coastal Mapping and Charting Workshop (JALBTCX). Seattle, WA, USA, 2007.

C. E. Parrish, “Improved Lidar Shoreline Mapping Using Spectrally-Derived Shallow-Water Bathymetry”, Joint Airborne LIDAR Bathymetry Technical Center of Expertise Coastal Mapping and Charting Workshop (JALBTCX). San Francisco, CA, USA, 2008.

C. E. Parrish, White, S. A., Calder, B. R., and Pe'eri, S., “Stochastic Uncertainty Analysis for Lidar-Derived Shoreline and Comparison with New Experimental Results”, Ocean Sciences Meeting. Portland, OR, USA, 2010.

C. E. Parrish and Osiri, R., “Lidar Wavelength Considerations and Radiometric Performance Analysis for Coastal Applications (Invited)”, American Geophysical Union (AGU) Fall Meeting. San Francisco, CA, USA, 2011.

C. E. Parrish, “Imaging in Various Regions of the EM Spectrum for Mapping the National Shoreline”, GeoTech. Silver Springs, MD, USA, 2007.

C. E. Parrish, Sellars, J., White, S. A., Bachmann, C. M., Montes, M. J., and Fusina, R. A., “Shoreline Mapping with Lidar and HSI-Derived Bathymetry”, GeoTech. Silver Springs, MD, USA, 2008.

C. E. Parrish, “New Approach to Autoextraction and Attribution of Airport Obstructions from LIDAR Data”, Transportation Research Board (TRB) . Washington DC, Washington DC, USA, 2008.

C. E. Parrish, White, S. A., Pe'eri, S., Calder, B. R., and Rzhanov, Y., “Modeling uncertainty in the lidar-derived NOAA shoreline”, Joint Airborne LIDAR Bathymetry Technical Center of Expertise Coastal Mapping and Charting Workshop (JALBTCX). Mobil, AL, USA, 2010.

L. McKenna, Dijkstra, J. A., and Parrish, C. E., “Assessing hurricane Sandy impacts on benthic habitats in Barnegut Bay with new topographic-bathymetric LIDAR technology”, 2014 AGU Ocean Sciences Meeting. Honolulu, HI, 2014.

C. E. Parrish and Dijkstra, J. A., “Benthic Habitat Mapping in Barnegat Bay with Topographic-Bathymetric Lidar Waveform Features”, European LiDAR Mapping Forum. Amsterdam, North Holland, The Netherlands, 2014.

V. E. Price, Dijkstra, J. A., O'Neil-Dunne, J. P. M., Parrish, C. E., Nagel, E., and Pe'eri, S., “Developing methodology for efficient eelgrass habitat mapping across lidar systems”, Marine Geological and Biological Habitat Mapping (GEOHAB). Salvador, Brazil, 2015.

C. E. Parrish, Rogers, J., Ward, L. G., and Dijkstra, J. A., “Enhanced coastal mapping using lidar waveform features”, 15th Annual JALBTCX Airborne Coastal Mapping and Charting Workshop. Mobile, AL, 2014.

G. Imahori, Pe'eri, S., and Parrish, C. E., “Evaluating the USACE's NCMP for NOAA charting operations”, JALBTCX 14th Annual workshop. Mobile, AL, 2013.

B. Costa, Battista, T., Parrish, C. E., and Dijkstra, J. A., “Evaluating the Utility of EAARL-B Lidar Waveforms for Mapping Coral Reef Habitats”, JALBTCX. Silver Spring, MD, 2016.

J. Kinney, Bogonko, M., White, M., Nagel, E., Dijkstra, J. A., Parrish, C. E., Wilson, N., and Armstrong, A. A., “Intensity and Reflectance Mapping for Habitat Mapping and Seafloor Characterization Using the Superstorm Sandy Lidar Data”, JALBTCX. Silver Spring, MD, 2016.

C. E. Parrish, “Lidar Waveform: A Practical Perspective”, American Society for Photogrammetry and Remote Sensing (ASPRS) Annual Conference. 2013.

M. Aslaksen and Parrish, C. E., “New Topographic-Bathymetric Lidar Technology for Post-Sandy Mapping”, Canadian Hydrographic Conference. St. John’s, Newfoundland, Canada, 2014.

F. Yao, Parrish, C. E., Calder, B. R., Pe'eri, S., and Rzhanov, Y., “Photogrammetry-Derived National Shoreline: Uncertainty and Sensitivity Analyses”, 2013 Fall Meeting, American Geological Union (AGU). San Francisco, CA, 2013.

S. Pe'eri, Parrish, C. E., Alexander, L., and Armstrong, A. A., “Satellite-derived bathymetry: A reconnaissance tool for hydrography”, JALBTCX 14th Annual workshop. Mobile, AL, 2013.

C. E. Parrish, White, S. A., Aslaksen, M., Pfennigbauer, M., and Rieger, P., “Topographic-Bathymetric LIDAR Evaluation for Integrated Ocean and Coastal Mapping”, European LiDAR Mapping Forum (ELMF). Salzburg, Austria, 2012.

C. E. Parrish, Eren, F., Jung, J., Imahori, G., and White, S. A., “Total Propagated Uncertainty Analysis for Topobathymetric Lidar”, 18th Annual JALBTCX Airborne Coastal Mapping and Charting Workshop. Savannah, GA, p. Savannah, GA, 2017.

J. Kinney, Wolfskehl, S., Bruce, S., Bogonko, M., Bongiovanni, C., Armstrong, A. A., Nagel, E., Pe'eri, S., and Parrish, C. E., “Update on NOAA's IOCM Sandy Project for Charting and Habitat Mapping Using Topobathymetric Lidar Surveys”, 16th Annual JALBTCX Airborne Coastal Mapping and Charting Workshop. Corvallis, OR, 2015.

R. Freire, Pe'eri, S., Alexander, L., Rzhanov, Y., Parrish, C. E., and Lippmann, T. C., “Use of Satellite Imagery for Monitoring the Mouths of Dynamic Rivers”, 2016 Canadian Hydrographic Conference. Halifax, Nova Scotia, Canada, 2016.

R. A. Fusina, Fry, J. C., Nichols, C. R., Bachmann, C. M., Li, R., Sellars, J., Parrish, C. E., Montes, M. J., Gross, C., White, S. A., Lee, K., and Jones, C. A., “Geodatabase Development to Support Hyperspectral Imagery Exploitation”, IEEE International Geoscience and Remote Sensing Symposium (IGARSS). Honolulu, HI, USA, 2010.

C. E. Parrish and Jeong, I., “Full-Waveform Lidar: Applications and Post-Processing Strategies”, American Society for Photogrammetry and Remote Sensing (ASPRS). Fairfax, VA, USA, 2010.

C. E. Parrish, “Data Fusion - Hyperspectral, Topo Lidar and High-Resolution Imagery”, Joint Airborne LIDAR Bathymetry Technical Center of Expertise Coastal Mapping and Charting Workshop (JALBTCX). St. Petersburg Beach, FL, USA, 2004.

C. E. Parrish, White, S. A., and Aslaksen, M., “New Developments in Lidar Shoreline Mapping and Full-Waveform Lidar at NOAA”, European Lidar Mapping Forum (ELMF). The Hague, South Holland, The Netherlands, 2010.

T. Adams, Beets, P., and Parrish, C. E., “Another dimension from LiDAR – Obtaining foliage density from full waveform data  ”, SilviLaser. Hobart, Tasmania, Australia, 2011.

W. B. Kearse, Parrish, C. E., Schiefele, J., Friedrich, A., and Kubbat, W., “RTCA Special Committee 193/EUROCAE Working Group 44 Airport and Terrain Database Acquisition for Aviation Applications”, International Air Safety Seminar (IASS). Athens, Attica, Greece, 2001.

C. E. Parrish, “Using Lidar in Obstruction Chart Surveys”, Transportation Research Board (TRB) . Washington DC, Washington DC, USA, 2004.

W. Uddin and Parrish, C. E., “Lidar Obstruction Surveys and Imagery Data for Airport Applications”, International Conference on Transport Infrastructure (ICTI). Beijing, Beijing, China, 2008.

S. Pe'eri, Azuike, C., Alexander, L., Parrish, C. E., and Armstrong, A. A., “Beyond the Chart: The use of Satellite Remote Sensing for Assessing the Adequacy and Completeness Information”, 2012 Canadian Hydrographic Conference. Niagara Falls, Ontario, Canada, 2012.

C. E. Parrish and Scarpace, F. L., “Detection of Vertical Objects in Full-Waveform Lidar Data Using a 3D Wavelet-Based Approach”, American Society for Photogrammetry and Remote Sensing (ASPRS). Tampa, FL, USA, 2007. Parrish_2007_Investigating_Full_WaveForm_LIDAR_Data.pdf (1.74 MB)

O. Fadahunsi, Armstrong, A. A., Pe'eri, S., Alexander, L., and Parrish, C. E., “Developing a Methodology for the Mapping and Characterization of the Nigerian Coastline Using Remote Sensing”, Canadian Hydrographic Conference 2012. Niagara Falls, Ontario, Canada, 2012.

G. Imahori, Pe'eri, S., Parrish, C. E., Wozumi, T., White, S. A., Jeong, I., and Macon, C. L., “Developing an acceptance test for non-hydrographic airborne bathymetric lidar data application to NOAA charts in shallow waters”, US Hydrographic Conference 2013. THSOA, New Orleans, LA, USA, 2013.

C. Azuike, Pe'eri, S., Alexander, L., Parrish, C. E., and Armstrong, A. A., “Development of a Geo-spatial Analysis Methodology for Assessing the Adequacy of Hydrographic Surveying and Nautical Charts”, 2012 Canadian Hydrographic Conference. Niagara Falls, Ontario, Canada, 2012.

C. E. Parrish, Sault, M., White, S. A., and Sellars, J., “Empirical Analysis of Aerial Camera Filters for Shoreline Mapping”, American Society for Photogrammetry and Remote Sensing (ASPRS). Baltimore, MD, USA, 2005. Parrish_2005_Emperical_Anallysis_Of_Aerial_Camera_Filters.pdf (927.62 KB)

C. E. Parrish, “Exploiting Full-Waveform Lidar Data and Multiresolution Wavelet Analysis for Vertical Object Detection and Recognition”, IEEE International Geoscience and Remote Sensing Symposium (IGARSS). Barcelona, Barcelona, Spain, 2007. Parrish_2007_Exploiting_Full_WaveForm_LIDAR_Data.pdf.pdf (857.3 KB)

S. Pe'eri, Parrish, C. E., Alexander, L., Azuike, C., Armstrong, A. A., and Sault, M., “Future directions in hydrography using satellite-derived bathymetry”, US Hydrographic Conference 2013. THSOA, New Orleans, LA, USA, 2013.

C. M. Bachmann, Gray, D., Abelev, A., Philpot, W. D., Montes, M. J., Fusina, R. A., Musser, J., Li, R. - R., Vermillion, M., Smith, G. M., Korwan, D., Snow, C., Miller, D. W., Gardner, J., Sletten, M., Georgiev, G., Truitt, B., Kilmon, M., Sellars, J., Woolard, J., Parrish, C. E., and Schwarzschild, A., “Linking goniometer measurements to hyperspectral and multi-sensor imagery for retrieval of beach properties and coastal characterization”, Algorithms and Technologies for Multispectral, Hyperspectral, and Ultraspectral Imagery XVIII, vol. Vol. 8390. SPIE, Baltimore, MD, 2012.

R. Freire, Pe'eri, S., Madore, B., Rzhanov, Y., Alexander, L., Parrish, C. E., and Lippmann, T. C., “Monitoring Near-Shore Bathymetry Using a Multi-Image Satellite-Derived Bathymetry Approach”, US Hydrographic Conference 2015. 2015.

C. E. Parrish, White, S. A., Calder, B. R., Pe'eri, S., and Rzhanov, Y., “New Approaches for Evaluating Lidar-Derived Shoreline”, Imaging and Applied Optics Congress. Tucson, AZ, USA, 2010. Parrish_2010_OSA_New_Approaches_for_Evaluating_Lidar-Derived_Shoreline.pdf (225.23 KB)

C. E. Parrish, Eren, F., Jung, J., Forfinski, N., Calder, B. R., White, S. A., Imahori, G., Kum, J., and Aslaksen, M., “Operational TPU Software for Topobathymetric Lidar”, 19th Annual JALBTCX Airborne Coastal Mapping and Charting Workshop. Providence, RI, 2018.

M. Sault, Parrish, C. E., White, S. A., Sellars, J., and Woolard, J., “A Sensor Fusion Approach to Coastal Mapping”, Coastal Zone Conference. New Orleans, LA, USA, 2005. Parrish_2005_A_Sensor_Fusion_Approach.pdf (652.42 KB)

O. Fadahunsi, Pe'eri, S., Parrish, C. E., Armstrong, A. A., and Alexander, L., “Spectral characterization of the Nigerian shoreline using Landsat imagery”, US Hydrographic Conference 2013. THSOA, New Orleans, LA, USA, 2013.

C. E. Parrish, Imahori, G., White, S. A., Eren, F., Jung, J., Forfinski, N., and Kammerer, T., “Total Propagated Uncertainty Modeling for Topobathymetric LiDAR”, International Lidar Mapping Forum (ILMF). Denver, CO, 2018.

C. M. Bachmann, Montes, M. J., Fusina, R. A., Parrish, C. E., Sellars, J., Weidemann, A., Goode, W., Hill, V., Zimmerman, R., Nichols, C. R., Woodward, P., McIlhany, K., Korwan, D., Crawford, M., Monty, J., Truitt, B., and Schwarzschild, A., “Very Shallow Water Bathymetry Retrieval from Hyperspectral Imagery at the Virginia Coast Reserve (VCR’07) Multi-Sensor Campaign”, IEEE International Geoscience and Remote Sensing Symposium (IGARSS). Boston, MA, USA, 2008. Parrish_2008_Very_Shallow_Water_Bathymetry.pdf (858.19 KB)

C. E. Parrish, Tuel, G. H., Carter, W. E., and Shrestha, R., “Configuring an Airborne Laser Scanner for Detecting Airport Obstructions”, Photogrammetric Engineering and Remote Sensing, vol. 71. ASPRS: The Imaging and Geospatial Information Society, Bethesda, MD, USA, pp. 37-46, 2005.

C. M. Bachmann, Montes, M. J., Fusina, R. A., Parrish, C. E., Sellars, J., Weidemann, A., Goode, W., Nichols, C. R., Woodward, P., McIlhany, K., Hill, V., Zimmerman, R., Korwan, D., Truitt, B., and Schwarzschild, A., “Bathymetry Retrieval from Hyperspectral Imagery in the Very Shallow Water Limit: a Case Study from the 2007 Virginia Coast Reserve (VCR’07) Multi-Sensor Campaign”, Marine Geodesy, vol. 33. Taylor & Francis, pp. 53-75, 2010.

S. A. White, Parrish, C. E., Calder, B. R., Pe'eri, S., and Rzhanov, Y., “Lidar-Derived National Shoreline: Empirical and Stochastic Uncertainty Analyses”, Journal of Coastal Research, vol. 62. Coastal Education & Research Foundation, Inc. [CERF], West Palm Beach, FL, USA, pp. 62-74, 2011.

W. Uddin, Gutelius, B., and Parrish, C. E., “Airborne Laser Survey Specifications and Quality Management Protocols for Airport Obstruction Surveys”, Transportation Research Record, vol. 2214. International Hydrographic Bureau, Monaco, Monaco Cedex, Monaco, pp. 117-125, 2011.

C. E. Parrish and Nowak, R. D., “Improved Approach to LIDAR Airport Obstruction Surveying Using Full-Waveform Data”, Journal of Surveying Engineering, vol. 135. Amercian Society of Civil Engineers , Reston, VA, USA, pp. 72-82, 2009.

C. M. Bachmann, Nichols, C. R., Montes, M. J., Li, R., Woodward, P., Fusina, R. A., Chen, W., Mishra, V., Kim, W., Monty, J., McIlhany, K., Kessler, K., Korwan, D., Millar, W. D., Bennert, E., Smith, G. M., Gillis, D., Sellars, J., Parrish, C. E., Schwarzschild, A., and Truitt, B., “Retrieval of Substrate Bearing Strength from Hyperspectral Imagery during the Virginia Coast Reserve (VCR'07) Multi-Sensor Campaign”, Marine Geodesy, vol. 33. Taylor & Francis, pp. 101-116, 2010.

C. E. Parrish, Jeong, I., Nowak, R. D., and Smith, R. B., “Empirical Comparison of Full-Waveform Lidar Algorithms: Range Extraction and Discrimination Performance”, Photogrammetric Engineering and Remote Sensing, vol. 77. ASPRS: The Imaging and Geospatial Information Society, Bethesda, MD, USA, pp. 825-838, 2011.

G. Imahori, Pe'eri, S., and Parrish, C. E., “ALB Evaluation for NOAA charting requirements”, Hydro International, vol. 17(8). pp. 24-27, 2013. Imahori_et_al_2013_Hydro_Int.pdf (786.37 KB)

J. Rogers, Parrish, C. E., Ward, L. G., and Burdick, D. M., “Assessment of Elevation Uncertainty in Salt Marsh Environments Using Discrete-Return and Full-Waveform Lidar”, Journal of Coastal Research, vol. SI 76. Coastal Education & Research Foundation [CERF], Coconut Creek, FL, pp. 107-122, 2016.

C. E. Parrish, Rogers, J., and Calder, B. R., “Assessment of Waveform Shape Features for Lidar Uncertainty Modeling in a Coastal Salt Marsh Environment”, Geoscience and Remote Sensing Letters, vol. Vol. 11, No. 2. IEEE, pp. 569 - 573, 2014.

C. M. Bachmann, Montes, M. J., Parrish, C. E., Fusina, R. A., Nichols, R. C., Li, R. - R., Hallenborg, E., Jones, C. A., Lee, K., Sellars, J., White, S. A., and Fry, J. C., “A dual-spectrometer approach to reflectance measurements under sub-optimal sky conditions”, Optics Express, vol. 20. The Optical Society (OSA), 2012.

S. Pe'eri, Madore, B., Nyberg, J., Snyder, L. P., Parrish, C. E., and Smith, S. M., “Evaluation of Chart Adequacy over the Arctic North Slope using a Satellite-Derived Bathymetry multi-temporal approach”, Journal of Coastal Research. pp. 56-63, 2016. Peeri_et_al_JCR_2016_si76-06.pdf (2.98 MB)

J. Rogers, Parrish, C. E., Ward, L. G., and Burdick, D. M., “Evaluation of Field-Measured Vertical Obscuration and Full Waveform Lidar to Assess Salt Marsh Vegetation Biophysical Parameters”, Remote Sensing of Environment, vol. 156. pp. 264-275, 2015.

T. Adams, Beets, P., and Parrish, C. E., “Extracting More Data from LiDAR in Forested Areas by Analyzing Waveform Shape”, Remote Sensing, vol. 4. MDPI Publishing, Basel, Switzerland, pp. 682-702, 2012. remotesensing-04-00682-v2-1.pdf (3.89 MB)

S. Pe'eri, McLeod, M. A., Lavoie, P., Ackerman, S., Gardner, J. V., and Parrish, C. E., “Field calibration and validation of remote sensing surveys”, International Journal of Remote Sensing, vol. 34. pp. 6423-6436, 2013. Peeri_et_al_2013.pdf (1.42 MB)

J. Rogers, Parrish, C. E., Ward, L. G., and Burdick, D. M., “Improving Salt Marsh Digital Elevation Model Accuracy with Full-Waveform Lldar and Nonparametric Predictive Modeling”, Estuarine, Coastal and Shelf Science, vol. 202. Elsevier, pp. 193-211, 2018.

N. Wilson, Parrish, C. E., Battista, T., C. Wright, W., Costa, B., Slocum, R., Dijkstra, J. A., and Tyler, M. T., “Mapping Seafloor Reflectance and Assessing Coral Reef Morphology with EAARL-B Topographic Lidar Waveforms”, Estuaries and Coasts. Springer, 2019.

F. Yao, Parrish, C. E., Pe'eri, S., Calder, B. R., and Rzhanov, Y., “Modeling Uncertainty in Photogrammetry-Derived National Shoreline”, Marine Geodesy, vol. 38(2). pp. 128-145, 2015. Yao_et_al_2014_Marine_Geodesy.pdf (843.73 KB)

C. E. Parrish, Dijkstra, J. A., O'Neil-Dunne, J., McKenna, L., and Pe'eri, S., “Post-Sandy Benthic Habitat Mapping Using New Topographic-Bathymetric Lidar Technology and Object-Based Image Classification”, Journal of Coastal Research. pp. 200-208, 2016. Parrish_et_al_JCR_2016_si76-017.pdf (4.98 MB)

S. Pe'eri, Parrish, C. E., Azuike, C., Alexander, L., and Armstrong, A. A., “Satellite Remote Sensing as a Reconnaissance Tool for Assessing Nautical Chart Adequacy and Completeness”, Marine Geodesy, vol. 37(3). Taylor & Francis, pp. 293-314, 2014. Peeri_et_al_2014_Marine_Geodesy.pdf (953.11 KB)

S. Pe'eri, “Satellite-Derived Bathymetry as a Reconnaissance Tool for Hydrography”, Hydro International, vol. 17(7). pp. 16-19, 2013. Peeri_et_al_2013_Hydro_Int.pdf (1.22 MB)

F. Eren, Jung, J., Parrish, C. E., Forfinski, N., and Calder, B. R., “Total Vertical Uncertainty (TVU) modeling for topo-bathymetric lidar systems”, Photogrammetric Engineering and Remote Sensing, vol. 85. American Society for Photogrammetry and Remote Sensing, pp. 585-596, 2019.

N. Wijekoon, Parrish, C. E., and Scott, G., “Analysis of Lidar Leaf Penetration Indices for Selected Plant Species in a Coastal Marsh and Correlation with Terrain Elevation Accuracy”, American Society for Photogrammetry and Remote Sensing (ASPRS). Baltimore, MD, USA, 2009.

O. Fadahunsi, Pe'eri, S., Alexander, L., and Parrish, C. E., “Develping a Methodology for the Mapping and Characterization of the Nigerian Coastline Using Remote Sensing”, 2012 Canadian Hydrographic Conference. Niagara Falls, Ontario, Canada, 2012.

G. Imahori, Ferguson, J., Wozumi, T., Scharff, D., Pe'eri, S., Parrish, C. E., White, S. A., Jeong, I., Sellars, J., and Aslaksen, M., “A procedure for developing an acceptance test for airborne bathymetric lidar data application to NOAA charts in shallow waters”, National Oceanic and Atmospheric Administration (NOAA), National Ocean Survey (NOS), Silver Spring, MD, 2013.