Report for H13923

Start Date:	2024-07-05
End Date:	2024-10-18

These data are not to be used for navigation.
For navigation please refer to NOS Nautical Charts.

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Visit the full NCEI Bathymetry Viewer.

Survey Products

NOAA/NOS Descriptive Reports and Metadata Documents
Products listed in these reports may not reflect final products available through NCEI.
H13923_DR.pdf	4.45MB	The document may be read using a free Adobe Reader.
H13923_DR.xml	54.0KB	Descriptive Report in XML format. May be opened using a web browser or text viewer.
NOAA/NOS ISO metadata record
H13923 View / Download H13923.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.

Bathymetric Attributed Grid (BAG) Data
Survey products may use different units, datums or projections than the associated survey. Please consult product-specific metadata for additional details.
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.
H13923_MB_4m_MLLW_1of1.bag	59.66MB
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.
H13923_MB_4m_Ellipsoid_1of1.bag	59.65MB

GeoImagePDF
H13923_GeoImage.pdf	6.95MB	NOAA/NOS Layered GeoSpatial Image PDF File. Created by NOS to include chart and survey layers in a georeferenced pdf format.
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.
H13923_MBAB_2m_400kHz_1of1.tiff	60.09MB	NOAA/NOS TIFF multibeam acoustic backscatter mosaic survey image.

NOAA/NOS bottom sample document in PDF or ASC format
H13923_BottomSamples.ascii	2.6KB	NOAA/NOS bottom sample document in PDF or ASC format.
Zip file containing bottom sample images and a shapefile of their locations
H13923_BottomSamples_shp_images.zip	12.31MB	Images may be viewed as standalone products or the shapefile can also be used to display where the images were taken.

Data Acquisition and Processing Report in PDF format
OPR-S327-KR-24_DAPR.pdf	6.81MB	This document may be read using a free Adobe Reader.
Horizontal and Vertical Control Report in PDF Format
OPR-S327-KR-24_HVCR.pdf	0.74MB	This document may be read using a free Adobe Reader.

Locality

Sublocality

State or Region

Kotzebue, AK

16 NM Northwest of Espenberg

Alaska

Start Date	End Date	Approval Date
2024-07-05	2024-10-18	2025-01-25

Project Number	Project Name	Purpose
OPR-S327-KR-24

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.

Vertical Datum	Horizontal Datum	Projection	Scale
Mean Lower Low Water	World Geodetic System (WGS) 1984	Projected UTM 3	40000

ENCs

RNCs

US4AK6ZQ US4AK6YQ US4AK6YP

Vessel(s)

Chief(s) of Party

R/V Poseidon

ASV-LR1

Andrew Orthmann

Manufacturer	Model	Instrument Type
Applanix	POS MV OceanMaster	Positioning and Attitude System
Applanix	POS MV WaveMaster	Positioning and Attitude System
Teledyne RESON	SeaBat T50-R	MBES Backscatter
Valeport	SWiFT SVP	Sound Speed System
AML Oceanographic	MicroX SV	Sound Speed System
Teledyne RESON	SeaBat T50-R	MBES

Data in Archive	Size (in GB)	Date Archived	Data Types Surveyed
Raw Data Only	201.512	2025-03-09 19:39:25.0	BACKSCATTER, BATHYMETRY