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 H13509 Locality: Central Chesapeake Bay Sublocality: Severn River State(s) or Region(s): Maryland Start Date: 2021-05-19 End Date: 2021-09-04 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 H13509
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.
H13509_DR.pdf	10.92MB	The document may be read using a free Adobe Reader.
H13509_DR.xml	53.1KB	Descriptive Report in XML format. May be opened using a web browser or text viewer.
NOAA/NOS ISO metadata record
H13509 View / Download H13509.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.
H13509_MB_50cm_MLLW_1of1.bag	545.20MB
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.
H13509_MB_50cm_Ellipsoid_1of1.bag	513.28MB

Images

GeoImagePDF
H13509_GeoImage.pdf	13.42MB	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
H13509_SSSAB_1m_600kHz_1of2.tif	105.48MB	NOAA/NOS TIFF sidescan sonar mosaic survey image. The mosaic may be viewed with a standard image viewer.
H13509_SSSAB_1m_600kHz_2of2.tif	103.17MB	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.
H13509_MBAB_2m_2904_300kHz_2of2.tif	11.78MB	NOAA/NOS TIFF multibeam acoustic backscatter mosaic survey image.
H13509_MBAB_2m_2903_300kHz_1of2.tif	12.64MB	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 H13509 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
H13509_BottomSamples.ascii	1.1KB	NOAA/NOS bottom sample document in PDF or ASC format.
Zip file containing bottom sample images and a shapefile of their locations
H13509_BottomSamples_shp_images.zip	6.46MB	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-E349-TJ-21_DAPR.pdf	46.03MB	This document may be read using a free Adobe Reader.

Survey Metadata

Survey Summary

Locality Sublocality State or Region Central Chesapeake Bay Severn River Maryland

Start Date End Date Approval Date 2021-05-19 2021-09-04 2022-03-18

Project Number Project Name Purpose OPR-E349-TJ-21

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 Mean Lower Low Water North American Datum 1983 Projected UTM 18 5000

Affected Products

ENCs RNCs US5MD32M US5MD22M

Junction Surveys H13510 H13508

Survey Equipment

Vessel(s) Chief(s) of Party THOMAS JEFFERSON Hydrographic Survey Launch 2904 THOMAS JEFFERSON Hydrographic Survey Launch 2903 Brianna Hillstrom, CDR/NOAA

Manufacturer Model Instrument Type Teledyne RESON SVP 71 Sound Speed System Sea-Bird Scientific SBE 19plus V2 Conductivity, Temperature, and Depth Sensor Kongsberg Maritime EM 2040 MBES 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 796.815 2023-11-29 15:21:36.0 BACKSCATTER, SIDE SCAN, BATHYMETRY