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Report for H11930 Locality: Narragansett Bay Sublocality: East Passage State(s) or Region(s): Rhode Island Start Date: 2011-06-23 End Date: 2011-09-19 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 H11930
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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.
H11930.pdf	8.30MB	The document may be read using a free Adobe Reader.
NOAA/NOS ISO metadata record
H11930 View / Download H11930.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.
H11930_MB_1m_MLLW_2of3.bag	65.86MB
H11930_MB_4m_MLLW_3of3.bag	1.44MB
H11930_MB_4m_MLLW_combined.bag	12.43MB
H11930_MB_50cm_MLLW_1of3.bag	471.33MB
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.
H11930		XYZ format.

Images

GeoImagePDF
H11930_GeoImage.pdf	21.84MB	NOAA/NOS Layered GeoSpatial Image PDF File. Created by NOS to include chart and survey layers in a georeferenced pdf format.

Bottom Samples and Tide Documents

Bottom Sample Data
NOAA/NOS bottom sample listing in IMLGS (pre-1989)
Link to H11930 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
H11930_BottomSamples.ascii	0.8KB	NOAA/NOS bottom sample document in PDF or ASC format.
NOAA/NOS Tide Note in PDF Format
H11930.tn.pdf	43.3KB	This document may be read using a free Adobe Reader.
NOAA/NOS Tide Zone in PDF format
H11930.tz.pdf	81.0KB	This document may be read using a free Adobe Reader.

Project Documents

Project Sketch in JPEG format
OPR-B301-NRT5-11(H11930).jpg	222.0KB	Project sketch image with highlighted survey area.
Data Acquisition and Processing Report in PDF format
OPR-B301-NRT5-11_DAPR.pdf	0.86MB	This document may be read using a free Adobe Reader.

Survey Metadata

Survey Summary

Locality Sublocality State or Region Narragansett Bay East Passage Rhode Island

Start Date End Date Approval Date 2011-06-23 2011-09-19 2012-11-28

Project Number Project Name Purpose OPR-B301-NRT5-11 Naragansett Bay and Approaches, Rhode Island 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 Quonset Point, Rhode Island 8454049

Affected Products

ENCs RNCs US5RI22M US4MA23M 5161 13223 13221 13218 13006 13003 12300

Junction Surveys H11988 H11310

Survey Equipment

Vessel(s) Chief(s) of Party NOAA SeaArk Launch S3002 Matthew J. Nardi

Manufacturer Model Instrument Type Seabird-Seacat SBE 19 Plus CTD Profiler Conductivity Temperature and Depth Odom Digibar Pro DB1200 Sound Velocity Probe Trimble DSM212L DGPS Receiver Satellite DGPS Simrad EM3002 MBES 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 77.2 2013-01-22 BATHYMETRY