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 H12255 Locality: Gulf of Mexico Sublocality: 7 Nautical Miles South of West Ship Shoal State(s) or Region(s): Louisiana Start Date: 2010-10-22 End Date: 2011-11-30 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 H12255
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.
H12255.pdf	2.67MB	The document may be read using a free Adobe Reader.
NOAA/NOS ISO metadata record
H12255 View / Download H12255.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.
H12255_MB_1m_MLLW_1of3.bag	100.70MB
H12255_MB_1m_MLLW_2of3.bag	100.64MB
H12255_MB_50cm_MLLW_3of3.bag	0.88MB
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.
H12255		XYZ format.

Images

GeoImagePDF
H12255_GeoImage.pdf	24.90MB	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
H12255_SSSAB_1m_455kHz_3of4.tiff	14.98MB	NOAA/NOS TIFF sidescan sonar mosaic survey image. The mosaic may be viewed with a standard image viewer.
H12255_SSSAB_1m_455kHz_1of4.tiff	14.63MB	NOAA/NOS TIFF sidescan sonar mosaic survey image. The mosaic may be viewed with a standard image viewer.
H12255_SSSAB_1m_455kHz_4of4.tiff	14.67MB	NOAA/NOS TIFF sidescan sonar mosaic survey image. The mosaic may be viewed with a standard image viewer.
H12255_SSSAB_1m_455kHz_2of4.tiff	14.61MB	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
H12255.tn.pdf	146.8KB	This document may be read using a free Adobe Reader.
NOAA/NOS Tide Zone in PDF format
H12255.tz.pdf	109.6KB	This document may be read using a free Adobe Reader.

Project Documents

Project Sketch in JPEG format
OPR-K354-KR-10(H12255).jpg	102.9KB	Project sketch image with highlighted survey area.
Data Acquisition and Processing Report in PDF format
OPR-K354-KR-10_DAPR.pdf	5.29MB	This document may be read using a free Adobe Reader.

Survey Metadata

Survey Summary

Locality Sublocality State or Region Gulf of Mexico 7 Nautical Miles South of West Ship Shoal Louisiana

Start Date End Date Approval Date 2010-10-22 2011-11-30 2012-03-01

Project Number Project Name Purpose OPR-K354-KR-10 Louisiana Coast, Louisiana 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 15 40000

Survey Tide Stations COOPS Tide Station ID Port Fourchon, Louisiana 8762075 Texas Gas Platform, Caillou Bay, Louisiana 8763535

Affected Products

ENCs RNCs 411 11356 11340 1116A

Junction Surveys H12254 H12253

Survey Equipment

Vessel(s) Chief(s) of Party M/V INEZ MCCALL Tara Levy Scott Croft

Manufacturer Model Instrument Type Klein Marine Systems System 5500 SSS Seabird-Seacat SBE 19 CTD Profiler Conductivity Temperature and Depth Simrad EM3002 MBES Odom Echotrac DF3200 MKII Single Beam Echo Sounder CNAV 2050 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 104.966 2012-11-08 SIDE SCAN, BATHYMETRY