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Report for H11028 Locality: Chesapeake Bay Sublocality: York River Entrance Channel to Tail of the Horseshoe State(s) or Region(s): Virginia Start Date: 2001-03-13 End Date: 2002-06-03 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 H11028
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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.
H11028.pdf	41.33MB	The document may be read using a free Adobe Reader.
NOAA/NOS ISO metadata record
H11028 View / Download H11028.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.
ASCII Grid Data
A regular grid of measurements.
H11028_50m_DecDegNAD83.txt.gz	0.56MB	YXZ format.
H11028_1m_DecDegNAD83.txt.gz	294.27MB	YXZ format.
H11028_50m_UTM18NAD83.txt.gz	395.7KB	YXZ format.
H11028_1m_UTM18NAD83.txt.gz	202.12MB	YXZ format.
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.
H11028		XYZ format.
NOAA/NOS Sounding Data
Point Soundings from the survey Smooth Sheet in A93 format.
H11028.a93.gz	296.7KB	A93 format.
Survey Metadata Data
Metadata for the survey in H93 format.
H11028_h93.htm	14.0KB	H93 format.

Images

NOAA/NOS Smooth Sheet survey image
H11028.tif.gz	975.97MB	The image may be viewed with a standard image viewer.
NOAA/NOS Smooth Sheet survey image in MrSID format
H11028.sid.gz	8.35MB	The MrSID (.sid) format is supported in major GIS applications. Stand alone tools may be available from Lizard Tech.
NOAA/NOS TIFF survey image
H11028_50m_UTM18NAD83.tif.gz	36.1KB	NOAA/NOS TIFF survey image. Data over the entire survey area is represented in full color.
H11028_1m_UTM18NAD83.tif.gz	29.55MB	NOAA/NOS TIFF survey image. Data over the entire survey area is represented in full color.
H11028_50m_UTM18NAD83.tfw.gz	88 Bytes	NOAA/NOS TIFF survey image world file. This world file geospatially registers the corresponding TIFF image.
H11028_1m_UTM18NAD83.tfw.gz	84 Bytes	NOAA/NOS TIFF survey image world file. This world file geospatially registers the corresponding TIFF image.
NOAA/NOS sidescan sonar mosaic in TIFF format
H11028_1m_SSS_UTM18NAD83.tif.gz	88.50MB	NOAA/NOS TIFF sidescan sonar mosaic survey image. The mosaic may be viewed with a standard image viewer.
H11028_1m_SSS_UTM18NAD83.tfw.gz	82 Bytes	NOAA/NOS TIFF sidescan sonar mosaic file. This world file geospatially registers the corresponding TIFF image.
NOAA/NOS sidescan sonar mosaic in JPEG format
H11028_1m_SSS_UTM18NAD83.jpg	13.51MB	NOAA/NOS JPEG sidescan sonar mosaic survey image. The mosaic may be viewed with a standard image viewer.
H11028_1m_SSS_UTM18NAD83.jpw	72 Bytes	NOAA/NOS JPEG sidescan sonar mosaic file. This world file geospatially registers the corresponding JPEG image.

Bottom Samples and Tide Documents

Bottom Sample Data
NOAA/NOS bottom sample database link
Link to H11028 in Seabed Database		Search the NOAA/NOS and USCGS Seabed Database
NOAA/NOS bottom sample document in PDF or ASC format
H11028_bs.pdf	57.9KB	NOAA/NOS bottom sample document in PDF or ASC format.
H11028_BSText.txt	1.1KB	NOAA/NOS bottom sample document in PDF or ASC format.
NOAA/NOS Tide Note in PDF Format
H11028.tn.pdf	65.7KB	This document may be read using a free Adobe Reader.
NOAA/NOS Tide Zone in PDF format
H11028.tz.pdf	265.3KB	This document may be read using a free Adobe Reader.

Project Documents

Project Sketch in JPEG format
OPR-E350-RU-02(H11028).jpg	172.9KB	Project sketch image with highlighted survey area.

Survey Metadata

Survey Summary

Locality Sublocality State or Region Chesapeake Bay York River Entrance Channel to Tail of the Horseshoe Virginia

Start Date End Date Approval Date 2001-03-13 2002-06-03 2005-04-13

Project Number Project Name Purpose OPR-E350-RU-02 Southern Chesapeake Bay, Virginia Update Nautical Chart(s)

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 10000

Tide Note Tide Zones Survey Tide Stations COOPS Tide Station ID Chesapeake Bay Bridge Tunnel, Virginia 8638863

Affected Products

ENCs RNCs 12280 12238 12224 12222 12221

Junction Surveys H10945 F00450

Survey Equipment

Vessel(s) Chief(s) of Party NOAA SeaArk Launch 1419 NOAA Jensen Launch 1017 NOAA Ship RUDE Andrew L. Beaver

Manufacturer Model Instrument Type Teledyne RESON SeaBat 8125 MBES Seabird-Seacat SBE 19-03 CTD Profiler Conductivity Temperature and Depth Seatex Seapath 200 GPS Receiver Satellite DGPS MOD III Least Depth Gage Trimble DSM212L DGPS Receiver Satellite DGPS Starlink DNAV-212 DGPS Receiver Satellite DGPS Reson SeaBat 9003 MBES Odom Echotrac DF3200 MKII Single Beam Echo Sounder Innerspace 448 Single Beam Echo Sounder EG&G 272-T Sidescan Sonar - towfish

Source Data at NCEI

Data in Archive Size (in GB) Date Archived Data Types Surveyed Raw and Processed 23.504 2007-01-17 SIDE SCAN, BATHYMETRY