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 H13764 Locality: Albemarle Sound Sublocality: Chowan River to Alligator River State(s) or Region(s): North Carolina Start Date: 2023-04-12 End Date: 2023-11-16 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 H13764
Visit the full NCEI Bathymetry 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.
H13764_DR.pdf	1.69MB	The document may be read using a free Adobe Reader.
H13764_DR.xml	76.8KB	Descriptive Report in XML format. May be opened using a web browser or text viewer.
NOAA/NOS ISO metadata record
H13764 View / Download H13764.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.
H13764_VB_4m_LWD_2of3.bag	10.31MB
H13764_VB_4m_LWD_3of3.bag	13.91MB
H13764_MB_1m_LWD_1of3.bag	207.63MB
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.
H13764_VB_4m_Ellipsoid_3of3.bag	13.86MB
H13764_MB_1m_Ellipsoid_1of3.bag	196.06MB
H13764_VB_4m_Ellipsoid_2of3.bag	10.40MB

Images

GeoImagePDF
H13764_GeoImage.pdf	14.13MB	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
H13764_SSSAB_1m_540kHz_2of2.tif	35.39MB	NOAA/NOS TIFF sidescan sonar mosaic survey image. The mosaic may be viewed with a standard image viewer.
H13764_SSSAB_1m_540kHz_1of2.tif	406.32MB	NOAA/NOS TIFF sidescan sonar mosaic survey image. The mosaic may be viewed with a standard image viewer.
H13764_SSSAB_1m_540kHz_1of2.tfw	90 Bytes	NOAA/NOS TIFF sidescan sonar mosaic file. This world file geospatially registers the corresponding TIFF image.
H13764_SSSAB_1m_540kHz_2of2.tfw	90 Bytes	NOAA/NOS TIFF sidescan sonar mosaic file. This world file geospatially registers the corresponding TIFF image.
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.
H13764_MBAB_2m_Substantial_300kHz_2of2.tif	21.59MB	NOAA/NOS TIFF multibeam acoustic backscatter mosaic survey image.
H13764_MBAB_2m_Benthos_300kHz_1of2.tif	24.98MB	NOAA/NOS TIFF multibeam acoustic backscatter mosaic survey image.

Bottom Samples and Tide Documents

Bottom Sample Data
NOAA/NOS bottom sample listing in IMLGS (pre-1989)
Link to H13764 in IMLGS (pre-1989 samples)		Search NOAA/NOS seabed samples submitted to IMLGS through NMNH (pre-1989). Modern survey bottom samples are not currently viewable on a map service.
NOAA/NOS bottom sample document in PDF or ASC format
H13764_BottomSamples.ascii	0.8KB	NOAA/NOS bottom sample document in PDF or ASC format.
Zip file containing bottom sample images and a shapefile of their locations
H13764_BottomSamples_shp_images.zip	2.91MB	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-F330-KR-22_DAPR.pdf	24.37MB	This document may be read using a free Adobe Reader.

Survey Metadata

Survey Summary

Locality Sublocality State or Region Albemarle Sound Chowan River to Alligator River North Carolina

Start Date End Date Approval Date 2023-04-12 2023-11-16 2024-04-27

Project Number Project Name Purpose OPR-F330-KR-22

Source of Original Data and License Information

License Information These data were produced by NOAA and are in the public domain within the United States. 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 Low Water Datum North American Datum 1983 (2011) Projected UTM 18 5000

Affected Products

ENCs RNCs US4NC53M

Junction Surveys H13763

Survey Equipment

Vessel(s) Chief(s) of Party R/V Substantial RV 4Points R/V Benthos R/V Chinook Nicholas Damm, CH

Manufacturer Model Instrument Type Teledyne Odom Hydrographic Echotrac E20 SBES AML Oceanographic AML-3 LGR Sound Speed System EdgeTech 4205 SSS AML Oceanographic MicroX SV Sound Speed System AML Oceanographic MVP30-350 Conductivity, Temperature, and Depth Sensor AML Oceanographic BaseX2 Sound Speed System Teledyne Odom Hydrographic Echotrac CV100 SBES Kongsberg Maritime EM 2040C MBES

Source Data at NCEI

Data in Archive Size (in GB) Date Archived Data Types Surveyed Raw and Processed 740.472 2025-01-30 16:46:57.0 BACKSCATTER, SIDE SCAN, BATHYMETRY