Report for H12923

Locality:	Southeastern Vicinity of the Chandeleur Islands
Sublocality:	25 NM SE of Chandeleur Islands
State(s) or Region(s):	Mississippi

Start Date:	2016-08-05
End Date:	2016-11-17

These data are not to be used for navigation.
For navigation please refer to NOS Nautical Charts.

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Download All Products for H12923

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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.
H12923_DR.pdf	2.16MB	The document may be read using a free Adobe Reader.
H12923_DR.xml	44.0KB	Descriptive Report in XML format. May be opened using a web browser or text viewer.
NOAA/NOS ISO metadata record
H12923 View / Download H12923.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.
H12923_MB_1m_MLLW_1of1.bag	375.94MB

Images

GeoImagePDF
H12923_GeoImage.pdf	47.52MB	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
H12923_SSSAB_1m_600kHz_1of1.tiff	68.68MB	NOAA/NOS TIFF sidescan sonar mosaic survey image. The mosaic may be viewed with a standard image viewer.
NOAA/NOS multibeam acoustic backscatter mosaic in TIFF format
The multibeam acoustic backscatter mosaic is readable with various applications such as the free CARIS Easy View, or ESRI ArcGIS geospatial visualization software.
H12923_MBAB_2m_Blake_400kHz_1of1.tiff	13.78MB	NOAA/NOS TIFF multibeam acoustic backscatter mosaic survey image.

Bottom Samples and Tide Documents

Bottom Sample Data
NOAA/NOS bottom sample listing in IMLGS (pre-1989)
Link to H12923 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
H12923_BottomSamples.ascii	341 Bytes	NOAA/NOS bottom sample document in PDF or ASC format.
NOAA/NOS Tide Note in PDF Format
H12923_tn.pdf	12.5KB	This document may be read using a free Adobe Reader.
NOAA/NOS Tide Zone in PDF format
H12923_tz.pdf	458.0KB	This document may be read using a free Adobe Reader.

Project Documents

Project Sketch in JPEG format
H12923_ProjectSketch.jpg	87.7KB	Project sketch image with highlighted survey area.
Data Acquisition and Processing Report in PDF format
OPR-J311-KR-16_DAPR.pdf	0.58MB	This document may be read using a free Adobe Reader.

Survey Metadata

Survey Summary

Locality

Sublocality

State or Region

Southeastern Vicinity of the Chandeleur Islands

25 NM SE of Chandeleur Islands

Mississippi

Start Date	End Date	Approval Date
2016-08-05	2016-11-17	2017-01-06

Project Number	Project Name	Purpose
OPR-J311-KR-16

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 16	40000

Tide Note

Tide Zones

Survey Tide Stations

COOPS Tide Station ID

Daulphin Island, Alabama

8735180

Affected Products

ENCs

RNCs

US4LA34M

11366 11363

Junction Surveys

Survey Equipment

Vessel(s)

Chief(s) of Party

S/V Blake

Jonathan L. Dasler, PE, PLS, CH

Manufacturer	Model	Instrument Type
EdgeTech	4200-HF	SSS
Reson	7125 SV2	MBES

Source Data at NCEI

Data in Archive

Size (in GB)

Date Archived

Data Types Surveyed

Raw and Processed

206.989

2017-06-22 10:05:25.0

BACKSCATTER,

SIDE SCAN,

BATHYMETRY