Report for H13266

Locality:	Chandeleur Islands, Louisiana
Sublocality:	27 NM ESE of Freemason Islands
State(s) or Region(s):	Louisiana

Start Date:	2019-09-18
End Date:	2020-01-14

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

Download times vary depending on file size and data transfer rates.

Visit the full NCEI Bathymetry Viewer.

Survey Products

NOAA/NOS Descriptive Reports and Metadata Documents
Products listed in these reports may not reflect final products available through NCEI.
H13266_DR.pdf	6.36MB	The document may be read using a free Adobe Reader.
H13266_DR.xml	42.8KB	Descriptive Report in XML format. May be opened using a web browser or text viewer.
NOAA/NOS ISO metadata record
H13266 View / Download H13266.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.

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.
H13266_MB_2m_MLLW_1of2.bag	178.61MB
H13266_MB_4m_MLLW_2of2.bag	73.04MB
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.
H13266_MB_2m_Ellipsoid_1of2.bag	177.06MB
H13266_MB_4m_Ellipsoid_2of2.bag	72.43MB

GeoImagePDF
H13266_GeoImage.pdf	44.04MB	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
H13266_SSSAB_1m_600kHz_1of1.tif	2377.75MB	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.
H13266_MBAB_RVBlake_240kHz_1of1.tif	83.68MB	NOAA/NOS TIFF multibeam acoustic backscatter mosaic survey image.

Bottom Sample Data
NOAA/NOS bottom sample listing in IMLGS (pre-1989)
Link to H13266 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
H13266_BottomSamples.ascii	1.9KB	NOAA/NOS bottom sample document in PDF or ASC format.
Zip file containing bottom sample images and a shapefile of their locations
H13266_BottomSamples_shp_images.zip	5.93MB	Images may be viewed as standalone products or the shapefile can also be used to display where the images were taken.
NOAA/NOS Tide Note in PDF Format
H13266_tn.pdf	126.6KB	This document may be read using a free Adobe Reader.

Project Sketch in JPEG format
H13266_ProjectSketch.jpg	259.2KB	Project sketch image with highlighted survey area.
Data Acquisition and Processing Report in PDF format
OPR-J311-KR-19_DAPR.pdf	22.52MB	This document may be read using a free Adobe Reader.

Locality

Sublocality

State or Region

Chandeleur Islands, Louisiana

27 NM ESE of Freemason Islands

Louisiana

Start Date	End Date	Approval Date
2019-09-18	2020-01-14	2020-03-20

Project Number	Project Name	Purpose
OPR-J311-KR-19

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.

Vertical Datum	Horizontal Datum	Projection	Scale
Mean Lower Low Water	North American Datum 1983	Projected UTM 16	40000

ENCs

RNCs

US3GC04M

Junction Surveys

H13267 H13264 H13263 H13135

Vessel(s)

Chief(s) of Party

S/V Blake

Jonathan L. Dasler, PE, PLS, CH

Manufacturer	Model	Instrument Type
AML Oceanographic	MicroX SV	Sound Speed System
Trimble	SPS851	Positioning System
AML Oceanographic	MVP30-350	Conductivity, Temperature, and Depth Sensor
AML Oceanographic	BaseX	Sound Speed System
Sea-Bird Scientific	SBE 19	Conductivity Temperature and Depth Sensor
EdgeTech	4200	SSS
Applanix	POS MV 320 v5	Positioning and Attitude System
Teledyne RESON	SeaBat 7101	MBES

Data in Archive	Size (in GB)	Date Archived	Data Types Surveyed
Raw and Processed	273.611	2021-10-03 21:04:20.0	BACKSCATTER, SIDE SCAN, BATHYMETRY