Report for H12423

Report for H12423

Locality: Approaches to Chesapeake Bay
Sublocality: 10 Nautical Miles East of Smith Island
State(s) or Region(s): Virginia

Start Date: 2012-07-14
End Date: 2012-09-09


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 H12423

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.
H12423_DR.pdf 2.41MB The document may be read using a free Adobe Reader.
NOAA/NOS ISO metadata record
H12423 View / Download H12423.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.
Variable Resolution Bathymetric Attributed Grid
H12423_MB_VR_MLLW.bag 837.67MB The Variable Resolution BAG format is a gridded, multi-dimensional, multi-resolution bathymetric data file (see Open Navigation Surface).
Currently supported with open source GDAL. The BAGXYZ files are ascii representations of the BAG data in XYZ format, but do not include uncertainty.
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.
H12423 XYZ format.

Images

GeoImagePDF
H12423_GeoImage.pdf 8.32MB 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
H12423_SSSAB_1m_455kHz_1of2.tiff 53.43MB NOAA/NOS TIFF sidescan sonar mosaic survey image.
The mosaic may be viewed with a standard image viewer.
H12423_SSSAB_1m_455kHz_2of2.tiff 56.51MB 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
H12423_tn.pdf 59.2KB This document may be read using a free Adobe Reader.
NOAA/NOS Tide Zone in PDF format
H12423_tz.pdf 218.3KB This document may be read using a free Adobe Reader.

Project Documents

Project Sketch in JPEG format
H12423_ProjectSketch.jpg 202.5KB Project sketch image with highlighted survey area.
Data Acquisition and Processing Report in PDF format
OPR-D304-FH-12_DAPR.pdf 7.26MB This document may be read using a free Adobe Reader.
Horizontal and Vertical Control Report in PDF Format
OPR-D304-FH-12_HVCR.pdf 257.9KB This document may be read using a free Adobe Reader.

Survey Metadata