NOAA > NESDIS > NCEI (formerly NGDC) > Marine Geology and Geophysics > Bathymetry & Relief privacy policy  All Bathy/Relief Coastal DEMs Fishing Global Lakes Multibeam NOS

Report for H13973 Locality: Approaches to Calcasieu Sublocality: 33 NM South of Joseph Harbor Bayou State(s) or Region(s): Louisiana Start Date: 2024-10-03 End Date: 2025-01-25 These data are not to be used for navigation. For navigation please refer to NOS Nautical Charts. Download All Products for H13973 Download times vary depending on file size and data transfer rates. Individual product files may be downloaded via the links below. Launch this map service in full-screen view | Visit the full NCEI Bathymetric Data Viewer Survey Products Descriptive Report and Metadata Documents NOAA/NOS Descriptive Reports and Metadata Documents Products listed in these reports may not reflect final products available through NCEI. H13973_DR.pdf 5.21MB The document may be read using a free PDF reader. H13973_DR.xml 57.9KB Descriptive Report in XML format. May be opened using a web browser or text viewer. NOAA/NOS ISO metadata record H13973 View / Download H13973.xml Usually presented as an XML document, which captures the basic characteristics of HSMDB metadata verified from H10000 (1982) to the present as well as F00200 (1965) to the present. Bathymetry Survey products may use different units, datums or projections than the associated survey. Please consult product-specific metadata for additional details. Bathymetric Attributed Grid (BAG) The BAG format is a gridded, multi-dimensional bathymetric data file readable with geospatial visualization software (various commercial solutions, freeware, and open source applications are available). The BAGXYZ files are ascii representations of the BAG data in XYZ format, but do not include uncertainty. H13973_MB_2m_MLLW_2of2.bag 222.69MB H13973_MB_1m_MLLW_1of2.bag 75.33MB Ellipsoid Referenced BAG Files Ellipsoid referenced Bag files have a vertical datum that may differ materially from the charted datum. Please refer to the file level metadata to ensure proper display. H13973_MB_2m_Ellipsoid_2of2.bag 217.20MB H13973_MB_1m_Ellipsoid_1of2.bag 73.59MB Imagery GeoImagePDF Georeferenced PDF file including chart and survey layers. H13973_GeoImage.pdf 9.32MB NOAA/NOS side scan sonar mosaic in TIFF format The side scan sonar mosaic is readable with geospatial visualization software (various commercial solutions, freeware, and open source applications are available). H13973_SSSAB_1m_150kHz_1of2.tif 1443.79MB H13973_SSSAB_1m_150kHz_2of2.tif 8.25MB NOAA/NOS multibeam acoustic backscatter mosaic in TIFF format The multibeam acoustic backscatter mosaic is readable with geospatial visualization software (various commercial solutions, freeware, and open source applications are available). H13973_MBAB_2m_DX_400kHz_1of1.tif 51.95MB Bottom Samples and Tide Documents NOAA/NOS bottom sample document in PDF or ASC format Bottom Sample files may reference the Coastal Marine Ecological Classification Standard (CMECS) H13973_BottomSamples.ascii 0.9KB NOAA/NOS bottom sample imagery H13973_BottomSamples_shp_images.zip 4.99MB Project Documents Data Acquisition and Processing Report in PDF format OPR-K356-KR-24_DAPR.pdf 3.46MB Survey Metadata Survey Summary Locality Sublocality State or Region Approaches to Calcasieu 33 NM South of Joseph Harbor Bayou Louisiana Start Date End Date Approval Date 2024-10-03 2025-01-25 2025-04-21 Project Number Project Name Purpose OPR-K356-KR-24 Source of Original Data and License Information License Information These data were produced under contract with NOAA and any potential copyright was assigned to NOAA. NOAA waives any potential copyright and related rights in these data worldwide through the Creative Commons Zero 1.0 Universal Public Domain Dedication (CC0-1.0). View the license deed. View the legal code. Reference System Information Vertical Datum Horizontal Datum Projection Scale Mean Lower Low Water North American Datum 1983 (2011) Projected UTM 15 20000 Affected Products ENCs RNCs US4LA1ED US3GC02M Junction Surveys H13978 H13976 H13975 H13974 H13972 H13971 H13970 Survey Equipment Vessel(s) Chief(s) of Party DriX 5 Jonathan L. Dasler, PE, PLS, CH Manufacturer Model Instrument Type Exail Phins Compact C7 Positioning and Attitude System Exail Sams 150 SAS Sidescan Sonar Kongsberg Maritime EM 2040-MK2 MBES Valeport SWiFT SVP Sound Speed System Valeport MiniSVS Sound Speed System Source Data at NCEI Data in Archive Size (in GB) Date Archived Data Types Surveyed Raw and Processed 9268.412 2025-09-16 19:39:05.0 SYNTHETIC APERTURE SONAR, BACKSCATTER, SIDE SCAN, BATHYMETRY