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 H13256 Locality: Lake Huron; Lake Michigan Sublocality: Vicinity of Ile Aux Galets State(s) or Region(s): Michigan Start Date: 2019-06-28 End Date: 2019-08-23 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 H13256
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.
H13256_DR.pdf	7.32MB	The document may be read using a free Adobe Reader.
H13256_DR.xml	49.2KB	Descriptive Report in XML format. May be opened using a web browser or text viewer.
NOAA/NOS ISO metadata record
H13256 View / Download H13256.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.
H13256_MB_2m_LWD_2of4.bag	93.63MB
H13256_MB_4m_LWD_3of4.bag	17.05MB
H13256_MB_8m_LWD_4of4.bag	0.79MB
H13256_MB_1m_LWD_1of4.bag	174.23MB
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.
H13256_MB_4m_Ellipsoid_3of4.bag	16.79MB
H13256_MB_8m_Ellipsoid_4of4.bag	0.79MB
H13256_MB_2m_Ellipsoid_2of4.bag	89.91MB
H13256_MB_1m_Ellipsoid_1of4.bag	160.87MB

Images

GeoImagePDF
H13256_GeoImage.pdf	8.20MB	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.
H13256_MBAB_2m_RV505_300kHz_400kHz_2of2.tif	19.01MB	NOAA/NOS TIFF multibeam acoustic backscatter mosaic survey image.
H13256_MBAB_2m_RVBenthos_300kHz_400kHz_1of2.tif	37.13MB	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 H13256 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
H13256_BottomSamples.ascii	3.7KB	NOAA/NOS bottom sample document in PDF or ASC format.
Zip file containing bottom sample images and a shapefile of their locations
H13256_BottomSamples_shp_images.zip	2.3KB	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-X388-KR-19_DAPR.pdf	24.46MB	This document may be read using a free Adobe Reader.
Horizontal and Vertical Control Report in PDF Format
OPR-X388-KR-19_HVCR.pdf	237.7KB	This document may be read using a free Adobe Reader.

Survey Metadata

Survey Summary

Locality Sublocality State or Region Lake Huron; Lake Michigan Vicinity of Ile Aux Galets Michigan

Start Date End Date Approval Date 2019-06-28 2019-08-23 2019-10-31

Project Number Project Name Purpose OPR-X388-KR-19

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 Low Water Datum 577.5 ft IGLD-1985 L Michigan,Huron North American Datum 1983 Projected UTM 16 20000

Affected Products

ENCs RNCs US4MI52M

Junction Surveys W00439 H13255

Survey Equipment

Vessel(s) Chief(s) of Party R/V 505 R/V Benthos David Neff, C.H.

Manufacturer Model Instrument Type R2Sonic 2022 MBES AML Oceanographic BaseX Sound Speed System Applanix POS MV 320 v5 Positioning and Attitude System Kongsberg Maritime EM 2040C MBES

Source Data at NCEI

Data in Archive Size (in GB) Date Archived Data Types Surveyed Raw Data Only 124.714 BACKSCATTER, BATHYMETRY