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 H11421 Locality: Gulf of Maine Sublocality: Wildcat Knoll State(s) or Region(s): Massachusetts Start Date: 2005-07-31 End Date: 2005-08-07 These data are not to be used for navigation. For navigation please refer to NOS Nautical Charts. Download All Products for H11421 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. H11421.pdf 2.40MB The document may be read using a free PDF reader. NOAA/NOS ISO metadata record H11421 View / Download H11421.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. H11421_MB_6m_MLLW_2of3.bag 50.02MB H11421_MB_4m_MLLW_1of3.bag 5.64MB H11421_VB_8m_MLLW_3of3.bag 356.9KB 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. H11421 Imagery NOAA/NOS side scan sonar mosaic in TIFF format The side scan sonar mosaic is readable with geospatial visualization software (various commercial solutions, freeware, and open source applications are available). H11421_SSSAB_1m_455kHz_1of1.tif 55.97MB H11421_SSSAB_1m_455kHz_1of1.tfw 72 Bytes NOAA/NOS sidescan sonar mosaic in JPEG format H11421_1m_SSS_UTM19NAD83.jpg 2.85MB H11421_1m_SSS_UTM19NAD83.jpw 72 Bytes NOAA/NOS multibeam acoustic backscatter mosaic in TIFF format The multibeam acoustic backscatter mosaic is readable with geospatial visualization software (various commercial solutions, freeware, and open source applications are available). H11421_MBAB_3m_S222_095kHz_1of1.tfw 72 Bytes H11421_MBAB_3m_S222_095kHz_1of1.tif 41.80MB Bottom Samples and Tide Documents NOAA/NOS Tide Note in PDF Format H11421.tn.pdf 188.2KB Project Documents Project Sketch in JPEG format Project sketch image with highlighted survey area. OPR-S-A902-TJ-05(H11421).jpg 132.6KB Data Acquisition and Processing Report in PDF format S-A902-TJ-05_DAPR.pdf 2.48MB Survey Metadata Survey Summary Locality Sublocality State or Region Gulf of Maine Wildcat Knoll Massachusetts Start Date End Date Approval Date 2005-07-31 2005-08-07 2008-01-24 Project Number Project Name Purpose S-A902-TJ-05 Wildcat Knoll Mapping Project, Massachusetts 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 Projected UTM 19 40000 Survey Tide Stations COOPS Tide Station ID Boston, Massachusetts 8443970 Affected Products ENCs RNCs US3EC10M 5161 13267 13260 13200 13009 13006 13003 Survey Equipment Vessel(s) Chief(s) of Party NOAA Ship THOMAS JEFFERSON Emily B. Christman Manufacturer Model Instrument Type Klein Marine Systems System 5500 SSS Seabird-Seacat SBE 19 Plus CTD Profiler Conductivity Temperature and Depth Trimble DSM212L DGPS Receiver Satellite DGPS Simrad EM1002 MBES Odom Echotrac DF3200 MKII Single Beam Echo Sounder 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 9.504 2008-04-11 BACKSCATTER, SIDE SCAN, BATHYMETRY