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 H13836 Locality: Mobile Bay Sublocality: North Portion of Mobile Bay State(s) or Region(s): Alabama Start Date: 2023-09-02 End Date: 2024-02-06 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 H13836
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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.
H13836_DR.pdf	5.52MB	The document may be read using a free Adobe Reader.
H13836_DR.xml	57.9KB	Descriptive Report in XML format. May be opened using a web browser or text viewer.
NOAA/NOS ISO metadata record
H13836 View / Download H13836.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.
H13836_MB_1m_MLLW_1of1.bag	115.17MB
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.
H13836_MB_1m_Ellipsoid_1of1.bag	108.43MB

Images

GeoImagePDF
H13836_GeoImage.pdf	8.55MB	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
H13836_SSSAB_1m_540kHz_1of2.tif	333.15MB	NOAA/NOS TIFF sidescan sonar mosaic survey image. The mosaic may be viewed with a standard image viewer.
H13836_SSSAB_1m_540kHz_2of2.tif	6.13MB	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.
H13836_MBAB_2m_RI_400kHz_1of2.tif	9.12MB	NOAA/NOS TIFF multibeam acoustic backscatter mosaic survey image.
H13836_MBAB_2m_BR_400kHz_2of2.tif	3.72MB	NOAA/NOS TIFF multibeam acoustic backscatter mosaic survey image.

Project Documents

Data Acquisition and Processing Report in PDF format
OPR-J325-KR-23_DAPR.pdf	8.75MB	This document may be read using a free Adobe Reader.

Survey Metadata

Survey Summary

Locality Sublocality State or Region Mobile Bay North Portion of Mobile Bay Alabama

Start Date End Date Approval Date 2023-09-02 2024-02-06 2024-07-09

Project Number Project Name Purpose OPR-J325-KR-23

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 16 5000

Affected Products

ENCs RNCs US5MOBIF US5MOBHF US5MOBGF US4AL1CB

Junction Surveys H13837

Survey Equipment

Vessel(s) Chief(s) of Party William R Broughton Richard T Brennan Jonathan L. Dasler, PE, PLS, CH

Manufacturer Model Instrument Type EdgeTech 4205 SSS Teledyne RESON SeaBat T50-R MBES AML Oceanographic Micro SV-Xchange Sound Speed System EdgeTech 4200 SSS Applanix POS MV 320 v5 Positioning and Attitude System AML Oceanographic SmartX Conductivity, Temperature, and Depth Sensor

Source Data at NCEI

Data in Archive Size (in GB) Date Archived Data Types Surveyed Raw and Processed 900.778 2025-02-01 19:00:12.0 BACKSCATTER, BATHYMETRY