Report for H12511

Locality:	North Shore of Long Island Sound
Sublocality:	Madison Reef
State(s) or Region(s):	Connecticut

Start Date:	2020-10-05
End Date:	2020-11-19

These data are not to be used for navigation.
For navigation please refer to NOS Nautical Charts.

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Download All Products for H12511

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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.
H12511_DR.pdf	7.43MB	The document may be read using a free Adobe Reader.
H12511_DR.xml	33.0KB	Descriptive Report in XML format. May be opened using a web browser or text viewer.
NOAA/NOS ISO metadata record
H12511 View / Download H12511.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

Bathymetric Attributed Grid (BAG) Data
Survey products may use different units, datums or projections than the associated survey. Please consult product-specific metadata for additional details.
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.
H12511_MB_1m_MLLW_2of2.bag	10.08MB
H12511_MB_50cm_MLLW_1of2.bag	756.50MB
Ellipsoid Referenced BAG Files
Ellipsoid referenced Bag files have a vertical datum that may differ materially from the charted datum. Please refer to the file level metadata to ensure proper display.
H12511_MB_1m_Ellipsoid_2of2.bag	9.87MB
H12511_MB_50cm_Ellipsoid_1of2.bag	720.33MB

Images

GeoImagePDF
H12511_GeoImage.pdf	25.39MB	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
H12511_SSSAB_1m_900kHz_2of2.tiff	38.95MB	NOAA/NOS TIFF sidescan sonar mosaic survey image. The mosaic may be viewed with a standard image viewer.
H12511_SSSAB_1m_900kHz_1of2.tiff	39.93MB	NOAA/NOS TIFF sidescan sonar mosaic survey image. The mosaic may be viewed with a standard image viewer.
NOAA/NOS multibeam acoustic backscatter mosaic in TIFF format
The multibeam acoustic backscatter mosaic is readable with various applications such as the free CARIS Easy View, or ESRI ArcGIS geospatial visualization software.
H12511_MBAB_2m_S3007_400kHz_1of1.tif	12.25MB	NOAA/NOS TIFF multibeam acoustic backscatter mosaic survey image.

Bottom Samples and Tide Documents

Bottom Sample Data
NOAA/NOS bottom sample listing in IMLGS (pre-1989)
Link to H12511 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
H12511_BottomSamples.ascii	1.6KB	NOAA/NOS bottom sample document in PDF or ASC format.
Zip file containing bottom sample images and a shapefile of their locations
H12511_BottomSamples_shp_images.zip	5.71MB	Images may be viewed as standalone products or the shapefile can also be used to display where the images were taken.
NOAA/NOS Tide Note in PDF Format
H12511_tn.pdf	215.7KB	This document may be read using a free Adobe Reader.

Project Documents

Project Sketch in JPEG format
H12511_ProjectSketch.jpg	66.7KB	Project sketch image with highlighted survey area.
Data Acquisition and Processing Report in PDF format
OPR-B370-NRT5-20_DAPR.pdf	4.09MB	This document may be read using a free Adobe Reader.

Survey Metadata

Survey Summary

Locality

Sublocality

State or Region

North Shore of Long Island Sound

Madison Reef

Connecticut

Start Date	End Date	Approval Date
2020-10-05	2020-11-19	2021-06-10

Project Number	Project Name	Purpose
OPR-B370-NRT5-20

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 18	10000

Affected Products

ENCs

RNCs

US5CN15M

Junction Surveys

H12510 H12484 H11252

Survey Equipment

Vessel(s)

Chief(s) of Party

S3007

LTJG Nicholas Azzopardi

Manufacturer	Model	Instrument Type
YSI	CastAway-CTD	Conductivity, Temperature, and Depth Sensor
EdgeTech	4125	SSS
Applanix	POS MV 320 v5	Positioning and Attitude System
Kongsberg Maritime	EM 2040C	MBES
AML	SVP 71 Velocimeter	Sound Velocity Probe

Source Data at NCEI

Data in Archive

Size (in GB)

Date Archived

Data Types Surveyed

Raw and Processed

481.971

2023-03-07 21:53:21.0

BACKSCATTER,

SIDE SCAN,

BATHYMETRY