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 H13969 Locality: Approaches to Calcasieu Sublocality: 21 NM South of Mermentau Channel State(s) or Region(s): Louisiana Start Date: 2024-07-13 End Date: 2024-09-23 These data are not to be used for navigation. For navigation please refer to NOS Nautical Charts. Download times vary depending on file size and data transfer rates. Download All Products for H13969
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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.
H13969_DR.pdf	0.86MB	The document may be read using a free Adobe Reader.
H13969_DR.xml	51.9KB	Descriptive Report in XML format. May be opened using a web browser or text viewer.
NOAA/NOS ISO metadata record
H13969 View / Download H13969.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.
H13969_MB_1m_MLLW_1of1.bag	811.75MB
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.
H13969_MB_1m_Ellipsoid_1of1.bag	783.92MB

Images

GeoImagePDF
H13969_GeoImage.pdf	24.33MB	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
H13969_SSSAB_1m_540kHz_1of2.tif	2776.65MB	NOAA/NOS TIFF sidescan sonar mosaic survey image. The mosaic may be viewed with a standard image viewer.
H13969_SSSAB_1m_540kHz_2of2.tif	431.91MB	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.
H13969_MBAB_2m_BL_400kHz_1of1.tiff	58.88MB	NOAA/NOS TIFF multibeam acoustic backscatter mosaic survey image.

Bottom Samples and Tide Documents

NOAA/NOS bottom sample document in PDF or ASC format
H13969_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
H13969_BottomSamples_shp_images.zip	0.56MB	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	2.96MB	This document may be read using a free Adobe Reader.

Survey Metadata

Survey Summary

Locality Sublocality State or Region Approaches to Calcasieu 21 NM South of Mermentau Channel Louisiana

Start Date End Date Approval Date 2024-07-13 2024-09-23 2025-02-11

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 10000

Affected Products

ENCs RNCs US5LCHCC US5LCHBC US4LA14M US3GC03M

Junction Surveys H13976 H13971 H13970 H13820 H13819 H13646 H13645

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 EdgeTech 4205 SSS 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 942.283 2025-06-03 01:34:41.0 BACKSCATTER, SIDE SCAN, BATHYMETRY