Chart adequacy and completeness information consists of the symbols, abbreviations and warnings used to inform mariners of the level of confidence that should be given to data on a nautical chart. This information is derived both from the nautical chart and sailing directions. However, analysis based solely on these datasets is limited without access to the sources (e.g., smooth sheets). Publically-available, multi-spectral satellite imagery and published algorithms can be used to derive estimates of the relative bathymetry in shallow, clear waters. In this study, we evaluate the potential of these methods for supplementing the procedure to assess the adequacy of hydrographic surveying and nautical charting coverage. Optically-derived bathymetry provides information in areas that have not been surveyed and monitor any seafloor changes that may have occurred since the last survey of the area. Preliminary results show that multi-spectral satellite remote sensing is also potentially beneficial as a reconnaissance tool prior to a hydrographic acoustic survey.
Center for Coastal and Ocean Mapping
Journal or Conference Title
Canadian Hydrographic Conference
May 15 - May 17, 2012
Niagara Falls, Ontario, Canada
Canadian Hydrographic Association
Pe'eri, Shachak; Azuike, Chukwuma; Alexander, Lee; Parrish, Christopher; and Armstrong, Andy, "Beyond the Chart: The use of Satellite Remote Sensing for Assessing the Adequacy and Completeness Information" (2012). Canadian Hydrographic Conference. 816.