Report for H12840

Locality:	Approaches to Chesapeake Bay
Sublocality:	30 Miles East of Currituck Beach
State(s) or Region(s):	North Carolina

Start Date:	2015-08-22
End Date:	2015-10-17

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 H12840

Visit the full NCEI Bathymetry Viewer.

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.
H12840_DR.pdf	9.62MB	The document may be read using a free Adobe Reader.
NOAA/NOS ISO metadata record
H12840 View / Download H12840.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

Bathymetric Attributed Grid (BAG) Data
Survey products may use different units, datums or projections than the associated survey. Please consult product-specific metadata for additional details.
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.
H12840_MB_1m_MLLW_1of2.bag	1.36MB
H12840_MB_2m_MLLW_2of2.bag	420.41MB
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.
H12840_MB_2m_Ellipsoid_2of2.bag	404.18MB
H12840_MB_1m_Ellipsoid_1of2.bag	403.93MB
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. Please check the associated metadata to confirm the correct datums. The data file format is : SurveyID, Long, Lat, Depth.
H12840		XYZ format.

Images

GeoImagePDF
H12840_GeoImage.pdf	40.99MB	NOAA/NOS Layered GeoSpatial Image PDF File. Created by NOS to include chart and survey layers in a georeferenced pdf format.

Bottom Samples and Tide Documents

Bottom Sample Data
NOAA/NOS bottom sample listing in IMLGS (pre-1989)
Link to H12840 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
H12840_BottomSamples.ascii	0.9KB	NOAA/NOS bottom sample document in PDF or ASC format.
NOAA/NOS Tide Note in PDF Format
H12840_tn.pdf	226.5KB	This document may be read using a free Adobe Reader.
NOAA/NOS Tide Zone in PDF format
H12840_tz.pdf	372.8KB	This document may be read using a free Adobe Reader.

Project Documents

Project Sketch in JPEG format
H12840_ProjectSketch.jpg	108.3KB	Project sketch image with highlighted survey area.
Data Acquisition and Processing Report in PDF format
OPR-D304-FH-15_DAPR.pdf	22.08MB	This document may be read using a free Adobe Reader.

Survey Metadata

Survey Summary

Locality

Sublocality

State or Region

Approaches to Chesapeake Bay

30 Miles East of Currituck Beach

North Carolina

Start Date	End Date	Approval Date
2015-08-22	2015-10-17

Project Number	Project Name	Purpose
OPR-D304-FH-15

Source of Original Data

Link to Original Data	Data Source

Reference System Information

Vertical Datum	Horizontal Datum	Projection	Scale

Tide Note

Tide Zones

Survey Tide Stations

COOPS Tide Station ID

Affected Products

ENCs

RNCs

Junction Surveys

Survey Equipment

Vessel(s)

Chief(s) of Party

Manufacturer	Model	Instrument Type

Source Data at NCEI

Data in Archive

Size (in GB)

Date Archived

Data Types Surveyed

Raw and Processed

505.457

2017-06-30 11:54:14.0