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 H12346 Locality: Approaches to Chesapeake Bay Sublocality: 15 Nautical Miles East of Cape Charles State(s) or Region(s): Virginia Start Date: 2011-07-13 End Date: 2011-11-10 These data are not to be used for navigation. For navigation please refer to NOS Nautical Charts. Download All Products for H12346 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. H12346.pdf 4.15MB The document may be read using a free PDF reader. NOAA/NOS ISO metadata record H12346 View / Download H12346.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. H12346_MB_1m_MLLW_1of1.bag 453.99MB 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. H12346 Imagery GeoImagePDF Georeferenced PDF file including chart and survey layers. H12346_GeoImage.pdf 21.84MB 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) H12346_BottomSamples.ascii 0.6KB NOAA/NOS Tide Note in PDF Format H12346.tn.pdf 57.9KB NOAA/NOS Tide Zone in PDF format H12346.tz.pdf 302.9KB Project Documents Project Sketch in JPEG format Project sketch image with highlighted survey area. OPR-D304-FH-11(H12346).jpg 0.59MB Data Acquisition and Processing Report in PDF format OPR-D304-FH-11_DAPR.pdf 11.54MB Survey Metadata Survey Summary Locality Sublocality State or Region Approaches to Chesapeake Bay 15 Nautical Miles East of Cape Charles Virginia Start Date End Date Approval Date 2011-07-13 2011-11-10 2013-02-28 Project Number Project Name Purpose OPR-D304-FH-11 Approaches to Chesapeake Bay, Virginia Update Nautical Chart(s) 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 40000 Survey Tide Stations COOPS Tide Station ID Duck, North Carolina 8651370 Affected Products ENCs RNCs US4VA12M 13003 12280 12221 12208 12200 Junction Surveys H12308 H12037 Survey Equipment Vessel(s) Chief(s) of Party NOAA Ship FERDINAND R. HASSLER Benjamin K. Evans Manufacturer Model Instrument Type Seabird-Seacat SBE 19 CTD Profiler Conductivity Temperature and Depth Seabird-Seacat SBE 45 Micro TSG Profiler Thermosalinograph Brooke Ocean Technology Moving Vessel Profiler-30 Moving Vessel Profiler Teledyne RESON SeaBat 7125 MBES Hemisphere MBX-4 DGPS Receiver Satellite DGPS Applanix TSS POS/MV 320 GPS Receiver Satellite GPS Source Data at NCEI Data in Archive Size (in GB) Date Archived Data Types Surveyed Raw and Processed 310.106 2013-03-26 BATHYMETRY