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 H12488 Locality: Long Island Sound Sublocality: East of Nissequuge River to Crane Neck Point NY. State(s) or Region(s): New York Start Date: 2012-06-24 End Date: 2012-08-02 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 H12488
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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.
H12488_DR.pdf	12.70MB	The document may be read using a free Adobe Reader.
H12488_DR.xml	43.4KB	Descriptive Report in XML format. May be opened using a web browser or text viewer.
NOAA/NOS ISO metadata record
H12488 View / Download H12488.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.
H12488_MB_50cm_MLLW_2of2.bag	464.43MB
H12488_MB_2m_MLLW_Combined.bag	81.09MB
H12488_MB_2m_MLLW_1of2.bag	52.99MB
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.
H12488		XYZ format.

Images

GeoImagePDF
H12488_GeoImage.pdf	18.89MB	NOAA/NOS Layered GeoSpatial Image PDF File. Created by NOS to include chart and survey layers in a georeferenced pdf format.
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.
H12488_MBAB_5m_3101_400kHz_1of3.tiff	0.60MB	NOAA/NOS TIFF multibeam acoustic backscatter mosaic survey image.
H12488_MBAB_6m_S222_400kHz_3of3.tiff	1.85MB	NOAA/NOS TIFF multibeam acoustic backscatter mosaic survey image.
H12488_MBAB_6m_3102_400kHz_2of3.tiff	0.78MB	NOAA/NOS TIFF multibeam acoustic backscatter mosaic survey image.

Bottom Samples and Tide Documents

NOAA/NOS Tide Note in PDF Format
H12488_tn.pdf	44.4KB	This document may be read using a free Adobe Reader.
NOAA/NOS Tide Zone in PDF format
H12488_tz.pdf	0.50MB	This document may be read using a free Adobe Reader.

Project Documents

Project Sketch in JPEG format
H12488_ProjectSketch.jpg	42.6KB	Project sketch image with highlighted survey area.
Data Acquisition and Processing Report in PDF format
OPR-B340-TJ-12_DAPR.pdf	4.57MB	This document may be read using a free Adobe Reader.

Survey Metadata

Survey Summary

Locality Sublocality State or Region Long Island Sound East of Nissequuge River to Crane Neck Point NY. New York

Start Date End Date Approval Date 2012-06-24 2012-08-02 2014-02-13

Project Number Project Name Purpose OPR-B340-TJ-12 Long Island Sound, NY 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 18 10000

Tide Note Tide Zones Survey Tide Stations COOPS Tide Station ID Kings Point, New York 8516945 Bridgeport, Connecticut 8467150 New Haven, Connecticut 8465705

Affected Products

ENCs RNCs US5CN10M US4NY13M 12364 12363

Junction Surveys H12416 H12415 H12414

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 RESON SVP 71 Sound Speed System Sea-Bird Scientific SBE 19plus Conductivity, Temperature, and Depth Sensor Klein Marine Systems System 5000 SSS Applanix POS MV 320 v4 Positioning and Attitude System Reson 7125SV MBES Reson 7125 ROV MBES

Source Data at NCEI

Data in Archive Size (in GB) Date Archived Data Types Surveyed Raw and Processed 346.864 2020-09-16 13:16:31.0 BACKSCATTER, SIDE SCAN, BATHYMETRY