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 H13840 Locality: Mobile Bay, AL Sublocality: Darling Landing to Fairhope State(s) or Region(s): Alabama Start Date: 2023-10-25 End Date: 2024-02-11 These data are not to be used for navigation. For navigation please refer to NOS Nautical Charts. Download All Products for H13840 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. H13840_DR.pdf 7.60MB The document may be read using a free Adobe Reader. H13840_DR.xml 53.8KB Descriptive Report in XML format. May be opened using a web browser or text viewer. NOAA/NOS ISO metadata record H13840 View / Download H13840.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. H13840_MB_1m_MLLW_1of1.bag 194.32MB 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. H13840_MB_1m_Ellipsoid_1of1.bag 181.43MB Images GeoImagePDF H13840_GeoImage.pdf 12.62MB 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 H13840_SSSAB_1m_540kHz_2of2.tif 257.47MB NOAA/NOS TIFF sidescan sonar mosaic survey image. The mosaic may be viewed with a standard image viewer. H13840_SSSAB_1m_540kHz_1of2.tif 300.11MB 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. H13840_MBAB_2m_RI_400kHz_1of1.tif 17.11MB 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, AL Darling Landing to Fairhope Alabama Start Date End Date Approval Date 2023-10-25 2024-02-11 2024-07-22 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 US5MOBGF US5MOBFF US5MOBEF US4AL1CB Junction Surveys H13837 H11624 Survey Equipment Vessel(s) Chief(s) of Party 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 Source Data at NCEI Data in Archive Size (in GB) Date Archived Data Types Surveyed Raw and Processed 728.23 2025-01-10 18:43:15.0 BACKSCATTER, SIDE SCAN, BATHYMETRY