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Report for H10994 Locality: Massachusetts Bay Sublocality: Broad Sound State(s) or Region(s): Massachusetts Start Date: 2000-09-19 End Date: 2001-10-11 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 H10994
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.
H10994.pdf	4.59MB	The document may be read using a free Adobe Reader.
NOAA/NOS ISO metadata record
H10994 View / Download H10994.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.
ASCII Grid Data
A regular grid of measurements.
H10994_1m_DecDegNAD83.txt.gz	158.48MB	YXZ format.
H10994_1m_UTM19NAD83.txt.gz	183.63MB	YXZ format.
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.
H10994		XYZ format.
NOAA/NOS Sounding Data
Point Soundings from the survey Smooth Sheet in A93 format.
H10994.a93.gz	218.5KB	A93 format.
Survey Metadata Data
Metadata for the survey in H93 format.
H10994_h93.htm	13.9KB	H93 format.

Images

NOAA/NOS Smooth Sheet survey image
H10994.tif.gz	372.50MB	The image may be viewed with a standard image viewer.
NOAA/NOS TIFF survey image
H10994_50m_UTM19NAD83.tif.gz	27.2KB	NOAA/NOS TIFF survey image. Data over the entire survey area is represented in full color.
H10994_1m_UTM19NAD83.tif.gz	29.85MB	NOAA/NOS TIFF survey image. Data over the entire survey area is represented in full color.
H10994_1m_UTM19NAD83.tfw.gz	86 Bytes	NOAA/NOS TIFF survey image world file. This world file geospatially registers the corresponding TIFF image.
H10994_50m_UTM19NAD83.tfw.gz	88 Bytes	NOAA/NOS TIFF survey image world file. This world file geospatially registers the corresponding TIFF image.
NOAA/NOS Fledermaus 3D survey visualization file
H10994_1m_UTM19NAD83.sd.gz	86.63MB	NOAA/NOS Fledermaus 3D visualization file A viewer is required to display Fledermaus SD format files. A free iView4D viewer is available from IVS 4D.
NOAA/NOS sidescan sonar mosaic in TIFF format
H10994_1m_200SSS_UTM19NAD83.tif.gz	52.37MB	NOAA/NOS TIFF sidescan sonar mosaic survey image. The mosaic may be viewed with a standard image viewer.
H10994_1m_SSS_UTM19NAD83.tif.gz	55.17MB	NOAA/NOS TIFF sidescan sonar mosaic survey image. The mosaic may be viewed with a standard image viewer.
H10994_1m_100SSS_UTM19NAD83.tif.gz	54.34MB	NOAA/NOS TIFF sidescan sonar mosaic survey image. The mosaic may be viewed with a standard image viewer.
H10994_1m_SSS_UTM19NAD83.tfw.gz	83 Bytes	NOAA/NOS TIFF sidescan sonar mosaic file. This world file geospatially registers the corresponding TIFF image.
H10994_1m_100SSS_UTM19NAD83.tfw.gz	86 Bytes	NOAA/NOS TIFF sidescan sonar mosaic file. This world file geospatially registers the corresponding TIFF image.
H10994_1m_200SSS_UTM19NAD83.tfw.gz	86 Bytes	NOAA/NOS TIFF sidescan sonar mosaic file. This world file geospatially registers the corresponding TIFF image.
NOAA/NOS sidescan sonar mosaic in JPEG format
H10994_1m_200SSS_UTM19NAD83.jpg	11.74MB	NOAA/NOS JPEG sidescan sonar mosaic survey image. The mosaic may be viewed with a standard image viewer.
H10994_1m_100SSS_UTM19NAD83.jpg	12.71MB	NOAA/NOS JPEG sidescan sonar mosaic survey image. The mosaic may be viewed with a standard image viewer.
H10994_1m_SSS_UTM19NAD83.jpg	12.69MB	NOAA/NOS JPEG sidescan sonar mosaic survey image. The mosaic may be viewed with a standard image viewer.
H10994_1m_SSS_UTM19NAD83.jpw	72 Bytes	NOAA/NOS JPEG sidescan sonar mosaic file. This world file geospatially registers the corresponding JPEG image.
H10994_1m_200SSS_UTM19NAD83.jpw	72 Bytes	NOAA/NOS JPEG sidescan sonar mosaic file. This world file geospatially registers the corresponding JPEG image.
H10994_1m_100SSS_UTM19NAD83.jpw	72 Bytes	NOAA/NOS JPEG sidescan sonar mosaic file. This world file geospatially registers the corresponding JPEG image.

Bottom Samples and Tide Documents

Bottom Sample Data
NOAA/NOS bottom sample database link
Link to H10994 in Seabed Database		Search the NOAA/NOS and USCGS Seabed Database
NOAA/NOS bottom sample document in PDF or ASC format
H10994_bs.pdf	289.5KB	NOAA/NOS bottom sample document in PDF or ASC format.
H10994_BSText.txt	2.1KB	NOAA/NOS bottom sample document in PDF or ASC format.
NOAA/NOS Tide Note in PDF Format
H10994.tn.pdf	180.1KB	This document may be read using a free Adobe Reader.
NOAA/NOS Tide Zone in PDF format
H10994.tz.pdf	76.2KB	This document may be read using a free Adobe Reader.

Project Documents

Project Sketch in JPEG format
OPR-A397-WH-00(H10994).jpg	318.6KB	Project sketch image with highlighted survey area.
Data Acquisition and Processing Report in PDF format
OPR-A397-WH-01.pdf	0.51MB	This document may be read using a free Adobe Reader.

Survey Metadata

Survey Summary

Locality Sublocality State or Region Massachusetts Bay Broad Sound Massachusetts

Start Date End Date Approval Date 2000-09-19 2001-10-11 2004-08-30

Project Number Project Name Purpose OPR-A397-WH-01 Massachusetts Bay, Massachusetts Update Nautical Chart(s)

Source of Original Data

Link to Original Data Data Source

Reference System Information

Vertical Datum Horizontal Datum Projection Scale Mean Lower Low Water North American Datum 1983 Projected UTM 19 10000

Tide Note Tide Zones Survey Tide Stations COOPS Tide Station ID Boston, Massachusetts 8443970 Nut Island, Massachusetts 8444525 Boston Light, Massachusetts 8444162

Affected Products

ENCs RNCs 13275 13270 13267 13260 13009

Junction Surveys H10992 H10991

Survey Equipment

Vessel(s) Chief(s) of Party WHITING Jensen Launch 2932 NOAA Ship WHITING WHITING Jensen Launch 2931A Steven R. Barnum

Manufacturer Model Instrument Type Seabird-Seacat SBE 19 CTD Profiler Conductivity Temperature and Depth MOD III Least Depth Gage Trimble DSM212L DGPS Receiver Satellite DGPS Reson SeaBat 8101 MBES Odom Echotrac DF3200 MKII Single Beam Echo Sounder Klein T-5500 Sidescan Sonar - towfish EG&G 272-T 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 36.795 2006-01-30 SIDE SCAN, BATHYMETRY