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Report for H12296 Locality: Block Island Sound Sublocality: Green Hill to Watch Hill State(s) or Region(s): Rhode Island Start Date: 2011-08-22 End Date: 2011-10-13 These data are not to be used for navigation. For navigation please refer to NOS Nautical Charts. Downloads may take a long time, depending on file size and data transfer rates. Download All Products for H12296
Visit the full NCEI Bathymetry Viewer.

Survey Products

Descriptive Report and Metadata Documents

NOAA/NOS Descriptive Report
Products listed in the project descriptive report (DR) may not reflect final products available through NCEI.
H12296.pdf	7.54MB	The document may be read using a free Adobe Reader.
NOAA/NOS ISO metadata record
H12296 View / Download H12296.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.
H12296_MBVB_4m_MLLW_combined.bag	21.79MB
H12296_MB_2m_MLLW_2of4.bag	3.23MB
H12296_MB_1m_MLLW_1of4.bag	80.23MB
H12296_VB_4m_MLLW_4of4.bag	1.38MB
H12296_MB_50cm_MLLW_3of4.bag	848.58MB
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.
H12296		XYZ format.

Images

GeoImagePDF
H12296_GeoImage.pdf	23.93MB	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
H12296_SSSAB_1m_455kHz_1of2.tif	526.14MB	NOAA/NOS TIFF sidescan sonar mosaic survey image. The mosaic may be viewed with a standard image viewer.
H12296_SSSAB_1m_455kHz_2of2.tif	495.98MB	NOAA/NOS TIFF sidescan sonar mosaic survey image. The mosaic may be viewed with a standard image viewer.

Bottom Samples and Tide Documents

Bottom Sample Data
NOAA/NOS bottom sample listing in IMLGS (pre-1989)
Link to H12296 in IMLGS (pre-1989 samples)		Search NOAA/NOS seabed samples submitted to IMLGS through NMNH (pre-1989). Modern survey bottom samples are not currently viewable on a map service.
NOAA/NOS bottom sample document in PDF or ASC format
H12296_TABLE.pdf	14.8KB	NOAA/NOS bottom sample document in PDF or ASC format.
NOAA/NOS Tide Note in PDF Format
H12296.tn.pdf	41.6KB	This document may be read using a free Adobe Reader.
NOAA/NOS Tide Zone in PDF format
H12296.tz.pdf	317.7KB	This document may be read using a free Adobe Reader.

Project Documents

Project Sketch in JPEG format
OPR-B363-TJ-11(H12296).jpg	52.4KB	Project sketch image with highlighted survey area.

Survey Metadata

Survey Summary

Locality Sublocality State or Region Block Island Sound Green Hill to Watch Hill Rhode Island

Start Date End Date Approval Date 2011-08-22 2011-10-13 2013-07-23

Project Number Project Name Purpose OPR-B363-TJ-11 Block Island Sound, New York 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 10000

Survey Tide Stations COOPS Tide Station ID Newport, Rhode Island 8452660 Montauk, New York 8510560 New London, Connecticut 8461490

Affected Products

ENCs RNCs US5RI10M US5CN44M US4CN21M 5161 13218 13215 13214 13205 13006 13003 12372 12300

Junction Surveys H12023 H12015 H12011

Survey Equipment

Vessel(s) Chief(s) of Party THOMAS JEFFERSON Jensen Launch 3101 THOMAS JEFFERSON Jensen Launch 3102 NOAA Ship THOMAS JEFFERSON Lawrence T. Krepp

Manufacturer Model Instrument Type Teledyne Odom Hydrographic Echotrac CV200 SBES Seabird-Seacat SBE 19 Plus CTD Profiler Conductivity Temperature and Depth Brooke Ocean Technology Moving Vessel Profiler-100 Moving Vessel Profiler Trimble DSM212L DGPS Receiver Satellite DGPS Teledyne RESON SeaBat 7125 MBES Klein 5000 Sidescan Sonar - towfish 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 213.553 2013-08-30 SIDE SCAN, BATHYMETRY