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 H12839 Locality: Approaches to Chesapeake Bay Sublocality: 36 Miles East of Currituck Beach State(s) or Region(s): North Carolina Start Date: 2015-07-30 End Date: 2015-08-24 These data are not to be used for navigation. For navigation please refer to NOS Nautical Charts. Download All Products for H12839 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. H12839_DR.pdf 3.67MB The document may be read using a free PDF reader. H12839_DR.xml 35.7KB Descriptive Report in XML format. May be opened using a web browser or text viewer. NOAA/NOS ISO metadata record H12839 View / Download H12839.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) The BAG format is a gridded, multi-dimensional bathymetric data file readable with geospatial visualization software (various commercial solutions, freeware, and open source applications are available). The BAGXYZ files are ascii representations of the BAG data in XYZ format, but do not include uncertainty. H12839_MB_2m_MLLW_1of2.bag 421.11MB H12839_MB_4m_MLLW_2of2.bag 7.86MB 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. H12839_MB_2m_Ellipsoid_1of2.bag 407.46MB H12839_MB_4m_Ellipsoid_2of2.bag 7.69MB 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 and delivered as .xyz. H12839 Imagery GeoImagePDF Georeferenced PDF file including chart and survey layers. H12839_GeoImage.pdf 29.17MB Bottom Samples and Tide Documents NOAA/NOS bottom sample document in PDF or ASC format Bottom Sample files may reference the Coastal Marine Ecological Classification Standard (CMECS) H12839_BottomSamples.ascii 0.8KB NOAA/NOS Tide Note in PDF Format H12839_tn.pdf 236.2KB NOAA/NOS Tide Zone in PDF format H12839_tz.pdf 374.1KB Project Documents Project Sketch in JPEG format Project sketch image with highlighted survey area. H12839_ProjectSketch.jpg 53.5KB Data Acquisition and Processing Report in PDF format OPR-D304-FH-15_DAPR.pdf 22.08MB Survey Metadata Survey Summary Locality Sublocality State or Region Approaches to Chesapeake Bay 36 Miles East of Currituck Beach North Carolina Start Date End Date Approval Date 2015-07-30 2015-08-24 2016-05-26 Project Number Project Name Purpose OPR-D304-FH-15 Source of Original Data and License Information License Information These data were produced by NOAA and are in the public domain within the United States. 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 18 40000 Survey Tide Stations COOPS Tide Station ID Aberdeen, Washington 9441187 Affected Products ENCs RNCs US3DE01M 12204 12200 Survey Equipment Vessel(s) Chief(s) of Party NOAA Ship FERDINAND R. HASSLER LCDR Briana J. Welton, NOAA Manufacturer Model Instrument Type Applanix POS MV 320 v5 Positioning and Attitude System Reson 7125 MBES Source Data at NCEI Data in Archive Size (in GB) Date Archived Data Types Surveyed Raw and Processed 331.031 2017-05-17 10:19:29.0 BACKSCATTER, BATHYMETRY