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 H12791 Locality: Approaches to Atchafalaya Bay, LA Sublocality: 22 NM S of Point Au Fer State(s) or Region(s): Louisiana Start Date: 2015-09-06 End Date: 2016-03-26 These data are not to be used for navigation. For navigation please refer to NOS Nautical Charts. Download All Products for H12791 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. H12791_DR.pdf 17.68MB The document may be read using a free Adobe Reader. H12791_DR.xml 63.7KB Descriptive Report in XML format. May be opened using a web browser or text viewer. NOAA/NOS ISO metadata record H12791 View / Download H12791.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. H12791_MB_1m_MLLW_1of1.bag 231.88MB 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. Please check the associated metadata to confirm the correct datums. The data file format is : SurveyID, Long, Lat, Depth. H12791 XYZ format. Images GeoImagePDF H12791_GeoImage.pdf 52.49MB 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 H12791_SSSAB_1m_455kHz_1of2.tif 219.47MB NOAA/NOS TIFF sidescan sonar mosaic survey image. The mosaic may be viewed with a standard image viewer. H12791_SSSAB_1m_455kHz_2of2.tif 205.54MB 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 bottom sample document in PDF or ASC format H12791_BottomSamples.ascii 1.0KB NOAA/NOS bottom sample document in PDF or ASC format. NOAA/NOS Tide Note in PDF Format H12791_tn.pdf 444.9KB This document may be read using a free Adobe Reader. NOAA/NOS Tide Zone in PDF format H12791_tz.pdf 444.9KB This document may be read using a free Adobe Reader. Project Documents Project Sketch in JPEG format H12791_ProjectSketch.jpg 204.9KB Project sketch image with highlighted survey area. Data Acquisition and Processing Report in PDF format OPR-K379-KR-15_DAPR.pdf 1.14MB This document may be read using a free Adobe Reader. Horizontal and Vertical Control Report in PDF Format OPR-K379-KR-15_HVCR.pdf 2.30MB This document may be read using a free Adobe Reader. Survey Metadata Survey Summary Locality Sublocality State or Region Approaches to Atchafalaya Bay, LA 22 NM S of Point Au Fer Louisiana Start Date End Date Approval Date 2015-09-06 2016-03-26 2016-04-28 Project Number Project Name Purpose OPR-K379-KR-15 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 North American Datum 1983 Projected UTM 15 40000 Survey Tide Stations COOPS Tide Station ID LAWMA, Amerada Pass, Louisiana 8764227 Affected Products ENCs RNCs US4LA25M US4LA21M 11356 11351 11340 Survey Equipment Vessel(s) Chief(s) of Party LAZ74232C313 JQN00027J708 1237094 Tara Levy Manufacturer Model Instrument Type Klein Marine Systems System 5000 V2 SSS Kongsberg Maritime EM 3002 MBES EdgeTech 4125 SSS Kongsberg Maritime EM 2040C MBES EdgeTech 4200P SSS Source Data at NCEI Data in Archive Size (in GB) Date Archived Data Types Surveyed Raw and Processed 684.496 2017-06-28 18:43:22.0 BATHYMETRY