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Report for H12656 Locality: Approaches to Mobile Bay Sublocality: 4NM South of Mobile Point State(s) or Region(s): Alabama Start Date: 2014-07-10 End Date: 2014-10-10 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 H12656
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.
H12656_DR.pdf	3.95MB	The document may be read using a free Adobe Reader.
H12656_DR.xml	75.7KB	Descriptive Report in XML format. May be opened using a web browser or text viewer.
NOAA/NOS ISO metadata record
H12656 View / Download H12656.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.
H12656_MB_50cm_MLLW_4of31.bag	366.2KB
H12656_MB_50cm_MLLW_8of31.bag	210.5KB
H12656_MB_50cm_MLLW_25of31.bag	96.0KB
H12656_MB_50cm_MLLW_21of31.bag	45.6KB
H12656_MB_50cm_MLLW_27of31.bag	119.6KB
H12656_MB_50cm_MLLW_1of31.bag	317.6KB
H12656_MB_50cm_MLLW_5of31.bag	264.2KB
H12656_MB_50cm_MLLW_9of31.bag	396.5KB
H12656_MB_50cm_MLLW_11of31.bag	108.1KB
H12656_MB_50cm_MLLW_3of31.bag	349.4KB
H12656_MB_50cm_MLLW_7of31.bag	298.8KB
H12656_MB_50cm_MLLW_13of31.bag	232.5KB
H12656_MB_50cm_MLLW_17of31.bag	97.1KB
H12656_MB_50cm_MLLW_30of31.bag	34.4KB
H12656_MB_50cm_MLLW_2of31.bag	190.4KB
H12656_MB_50cm_MLLW_6of31.bag	489.7KB
H12656_MB_50cm_MLLW_12of31.bag	61.7KB
H12656_MB_50cm_MLLW_16of31.bag	152.3KB
H12656_MB_50cm_MLLW_20of31.bag	60.2KB
H12656_MB_50cm_MLLW_24of31.bag	59.5KB
H12656_MB_50cm_MLLW_28of31.bag	196.6KB
H12656_MB_50cm_MLLW_15of31.bag	242.8KB
H12656_MB_50cm_MLLW_29of31.bag	152.2KB
H12656_MB_2m_MLLW_31of31.bag	48.51MB
H12656_MB_50cm_MLLW_19of31.bag	62.4KB
H12656_MB_50cm_MLLW_18of31.bag	125.8KB
H12656_MB_50cm_MLLW_14of31.bag	274.0KB
H12656_MB_50cm_MLLW_22of31.bag	161.6KB
H12656_MB_50cm_MLLW_23of31.bag	161.6KB
H12656_MB_50cm_MLLW_26of31.bag	94.6KB
H12656_MB_50cm_MLLW_10of31.bag	323.3KB
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.
H12656		XYZ format.

Images

GeoImagePDF
H12656_GeoImage.pdf	25.85MB	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
H12656_SSSAB_1m_500kHz_2of2.tiff	88.32MB	NOAA/NOS TIFF sidescan sonar mosaic survey image. The mosaic may be viewed with a standard image viewer.
H12656_SSSAB_1m_500kHz_1of2.tiff	89.17MB	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.
H12656_MBAB_3m_OysterBay_240kHz_2of2_.tiff	9.77MB	NOAA/NOS TIFF multibeam acoustic backscatter mosaic survey image.
H12656_MBAB_2m_AtlanticSurveyor_400kHz_1of2.tiff	16.93MB	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 H12656 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
H12656_BottomSamples.ascii	1.5KB	NOAA/NOS bottom sample document in PDF or ASC format.
NOAA/NOS Tide Note in PDF Format
H12656_tn.pdf	16.8KB	This document may be read using a free Adobe Reader.

Project Documents

Project Sketch in JPEG format
H12656_ProjectSketch.jpg	120.1KB	Project sketch image with highlighted survey area.
Data Acquisition and Processing Report in PDF format
OPR-J312-KR-14_DAPR.pdf	0.94MB	This document may be read using a free Adobe Reader.

Survey Metadata

Survey Summary

Locality Sublocality State or Region Approaches to Mobile Bay 4NM South of Mobile Point Alabama

Start Date End Date Approval Date 2014-07-10 2014-10-10 2015-01-31

Project Number Project Name Purpose OPR-J312-KR-14

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 16 20000

Survey Tide Stations COOPS Tide Station ID Daulphin Island, Alabama 8735180

Affected Products

ENCs RNCs US4AL11M 11376

Survey Equipment

Vessel(s) Chief(s) of Party R/V Oyster Bay Paul L. Donaldson

Manufacturer Model Instrument Type RESON SeaBat 7125 SV MBES

Source Data at NCEI

Data in Archive Size (in GB) Date Archived Data Types Surveyed Raw and Processed 1061.796 2016-02-20 15:04:13.0 BACKSCATTER, BATHYMETRY