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Report for H12238 Locality: Central Chesapeake Bay Sublocality: 4 Nautical Miles Northeast of Smith Point State(s) or Region(s): Virginia Maryland Start Date: 2010-07-04 End Date: 2010-11-12 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 H12238

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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.
H12238.pdf	15.04MB	The document may be read using a free Adobe Reader.
NOAA/NOS ISO metadata record
H12238 View / Download H12238.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.
H12238_MB_50cm_MLLW_3of3.bag	3199.47MB
H12238_MB_1m_MLLW_2of3.bag	800.08MB
H12238_MB_2m_MLLW_1of3.bag	200.09MB
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.
H12238		XYZ format.

Images

GeoImagePDF
H12238_GeoImage.pdf	7.57MB	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
H12238_SSSAB_50cm_600kHz_2of2.tiff	208.83MB	NOAA/NOS TIFF sidescan sonar mosaic survey image. The mosaic may be viewed with a standard image viewer.
H12238_SSSAB_50cm_600kHz_1of2.tiff	208.83MB	NOAA/NOS TIFF sidescan sonar mosaic survey image. The mosaic may be viewed with a standard image viewer.

Bottom Samples and Tide Documents

NOAA/NOS Tide Note in PDF Format
H12238.tn.pdf	75.9KB	This document may be read using a free Adobe Reader.
NOAA/NOS Tide Zone in PDF format
H12238.tz.pdf	1.10MB	This document may be read using a free Adobe Reader.

Project Documents

Project Sketch in JPEG format
OPR-E349-KR-10(H12238).jpg	269.4KB	Project sketch image with highlighted survey area.
Data Acquisition and Processing Report in PDF format
OPR-E349-KR-10_DAPR.pdf	1.99MB	This document may be read using a free Adobe Reader.
Horizontal and Vertical Control Report in PDF Format
OPR-E349-KR-10_HVCR.pdf	57.04MB	This document may be read using a free Adobe Reader.

Survey Metadata

Survey Summary

Locality Sublocality State or Region Central Chesapeake Bay 4 Nautical Miles Northeast of Smith Point Virginia Maryland

Start Date End Date Approval Date 2010-07-04 2010-11-12 2012-05-31

Project Number Project Name Purpose OPR-E349-KR-10 Central Chesapeake Bay, Maryland Update Nautical Chart(s)

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 Mean Lower Low Water North American Datum 1983 Projected UTM 18 10000

Survey Tide Stations COOPS Tide Station ID Lewisetta, Virginia 8635750

Affected Products

ENCs RNCs US5VA27M US5VA21M US5VA16M 13003 12285 12280 12233 12231 12230 12228 12225

Junction Surveys H12242 H12241 H12239

Survey Equipment

Vessel(s) Chief(s) of Party R/V THEORY R/V CHINOOK Jonathan L. Dasler

Manufacturer Model Instrument Type Seabird-Seacat SBE 19 Plus CTD Profiler Conductivity Temperature and Depth Brooke Ocean Technology Moving Vessel Profiler-30 Moving Vessel Profiler AML SVP 70 Velocimeter Sound Velocity Probe Seabeam 2111 Trimble DMS132 DGPS Receiver Satellite DGPS Trimble Probeacon DGPS Receiver Satellite DGPS Teledyne RESON SeaBat 7125 MBES EG&G 4200-FS Sidescan Sonar - towfish EG&G 4200-HFL CSI MBX-3S DGPS Receiver Satellite DGPS Applanix TSS POS/MV 320 GPS Receiver Satellite GPS

Source Data at NCEI

Data in Archive Size (in GB) Date Archived Data Types Surveyed Raw and Processed 66.882 2012-07-17 SIDE SCAN, BATHYMETRY