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 H13974 Locality: Approaches to Calcasieu Sublocality: 44 NM South of Hackberry Beach State(s) or Region(s): Louisiana Start Date: 2024-08-17 End Date: 2024-09-23 These data are not to be used for navigation. For navigation please refer to NOS Nautical Charts. Download All Products for H13974 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. H13974_DR.pdf 2.06MB The document may be read using a free Adobe Reader. H13974_DR.xml 48.0KB Descriptive Report in XML format. May be opened using a web browser or text viewer. NOAA/NOS ISO metadata record H13974 View / Download H13974.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) Data The BAG format is a gridded, multi-dimensional bathymetric data file (see Open Navigation Surface). Readable with various applications such as the free CARIS Easy View, ESRI ArcGIS or open source GDAL. The BAGXYZ files are ascii representations of the BAG data in XYZ format, but do not include uncertainty. H13974_MB_2m_MLLW_1of1.bag 342.09MB 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. H13974_MB_2m_Ellipsoid_1of1.bag 334.27MB Images GeoImagePDF H13974_GeoImage.pdf 11.58MB NOAA/NOS Layered GeoSpatial Image PDF File. Created by NOS to include chart and survey layers in a georeferenced pdf format. NOAA/NOS sidescan sonar mosaic in TIFF format H13974_SSSAB_1m_540kHz_2of2.tif 160.92MB NOAA/NOS TIFF sidescan sonar mosaic survey image. The mosaic may be viewed with a standard image viewer. H13974_SSSAB_1m_540kHz_1of2.tif 1223.74MB NOAA/NOS TIFF sidescan sonar mosaic survey image. The mosaic may be viewed with a standard image viewer. NOAA/NOS multibeam acoustic backscatter mosaic in TIFF format The multibeam acoustic backscatter mosaic is readable with various applications such as the free CARIS Easy View, or ESRI ArcGIS geospatial visualization software. H13974_MBAB_2m_BL_400kHz_1of1.tif 58.91MB NOAA/NOS TIFF multibeam acoustic backscatter mosaic survey image. Bottom Samples and Tide Documents NOAA/NOS bottom sample document in PDF or ASC format H13974_BottomSamples.ascii 0.9KB NOAA/NOS bottom sample document in PDF or ASC format. Zip file containing bottom sample images and a shapefile of their locations H13974_BottomSamples_shp_images.zip 0.58MB Images may be viewed as standalone products or the shapefile can also be used to display where the images were taken. Project Documents Data Acquisition and Processing Report in PDF format OPR-K356-KR-24_DAPR.pdf 3.46MB This document may be read using a free Adobe Reader. Survey Metadata Survey Summary Locality Sublocality State or Region Approaches to Calcasieu 44 NM South of Hackberry Beach Louisiana Start Date End Date Approval Date 2024-08-17 2024-09-23 2025-03-17 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 40000 Affected Products ENCs RNCs US3GC03M Junction Surveys H13975 H13973 H13972 H13647 H13646 Survey Equipment Vessel(s) Chief(s) of Party S/V Blake Jonathan L. Dasler, PE, PLS, CH Manufacturer Model Instrument Type Applanix POS MV OceanMaster Positioning and Attitude System AML Oceanographic MicroX SV Sound Speed System Teledyne RESON SeaBat T50-R MBES AML Oceanographic MVP30-350 Conductivity, Temperature, and Depth Sensor EdgeTech 4200 SSS Source Data at NCEI Data in Archive Size (in GB) Date Archived Data Types Surveyed Raw and Processed 884.237 2025-09-16 19:39:05.0 BACKSCATTER, BATHYMETRY