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 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. Download All Products for H12923 Download times vary depending on file size and data transfer rates. Individual product files may be downloaded via the links below. Launch this map service in full-screen view | Visit the full NCEI Bathymetric Data Viewer Survey Products Descriptive Report and Metadata Documents NOAA/NOS Descriptive Reports and Metadata Documents Products listed in these reports 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 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. 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 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 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 40000 Survey Tide Stations COOPS Tide Station ID Daulphin Island, Alabama 8735180 Affected Products ENCs RNCs US4LA34M 11366 11363 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