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 H12666 Locality: Approaches to Chesapeake Bay Sublocality: Chesapeake Bay Traffic Area State(s) or Region(s): Virginia Start Date: 2014-08-21 End Date: 2014-10-09 These data are not to be used for navigation. For navigation please refer to NOS Nautical Charts. Downloads may take a long time, depending on file size and data transfer rates. Download All Products for H12666
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Survey Products

Descriptive Report and Metadata Documents

NOAA/NOS Descriptive Report
Products listed in the project descriptive report (DR) may not reflect final products available through NCEI.
H12666_DR.pdf	3.22MB	The document may be read using a free Adobe Reader.
H12666_DR.xml	38.4KB	Descriptive Report in XML format. May be opened using a web browser or text viewer.
NOAA/NOS ISO metadata record
H12666 View / Download H12666.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.
H12666_MB_50cm_MLLW_1of1.bag	627.06MB
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.
H12666_MB_50cm_Ellipsoid_1of1.bag	599.94MB
NOAA/NOS Sounding Data
Download data from the Point Store database via NEXT (NCEI Extract System). Point soundings are from the survey Smooth Sheet or of similar density. Depths in meters. Horizontal datum is (converted to) NAD83 if possible. Vertical datum is (converted to) Mean Lower Low Water if possible. Please check the associated metadata to confirm the correct datums. The data file format is : SurveyID, Long, Lat, Depth.
H12666		XYZ format.

Images

GeoImagePDF
H12666_GeoImage.pdf	16.88MB	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.
H12666_MBAB_2m_S250_400kHz_2of2.tiff	6.18MB	NOAA/NOS TIFF multibeam acoustic backscatter mosaic survey image.
H12666_MBAB_2m_S250_400kHz_1of2.tiff	8.24MB	NOAA/NOS TIFF multibeam acoustic backscatter mosaic survey image.

Bottom Samples and Tide Documents

NOAA/NOS Tide Note in PDF Format
H12666_tn.pdf	53.4KB	This document may be read using a free Adobe Reader.
NOAA/NOS Tide Zone in PDF format
H12666_tz.pdf	284.2KB	This document may be read using a free Adobe Reader.

Project Documents

Project Sketch in JPEG format
H12666_ProjectSketch.jpg	100.0KB	Project sketch image with highlighted survey area.
Data Acquisition and Processing Report in PDF format
OPR-D304-FH-14_DAPR.pdf	12.35MB	This document may be read using a free Adobe Reader.

Survey Metadata

Survey Summary

Locality Sublocality State or Region Approaches to Chesapeake Bay Chesapeake Bay Traffic Area Virginia

Start Date End Date Approval Date 2014-08-21 2014-10-09 2015-01-14

Project Number Project Name Purpose OPR-D304-FH-14

Source of Original Data

Link to Original Data Data Source

Reference System Information

Vertical Datum Horizontal Datum Projection Scale Mean Lower Low Water North American Datum 1983 Projected UTM 18 20000

Tide Note Tide Zones Survey Tide Stations COOPS Tide Station ID Aberdeen, Washington 9441187

Affected Products

ENCs RNCs US5VA11M 12208

Junction Surveys

Survey Equipment

Vessel(s) Chief(s) of Party NOAA Ship FERDINAND R. HASSLER

Manufacturer Model Instrument Type RESON 7125 MBES

Source Data at NCEI

Data in Archive Size (in GB) Date Archived Data Types Surveyed Raw and Processed 290.908 2015-10-22 14:47:46.0 BACKSCATTER, BATHYMETRY