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 H13705 Locality: Galveston, Texas Sublocality: 15NM Southeast of Galveston Entrance State(s) or Region(s): Texas Start Date: 2023-04-09 End Date: 2023-06-06 These data are not to be used for navigation. For navigation please refer to NOS Nautical Charts. Download times vary depending on file size and data transfer rates. Download All Products for H13705
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Survey Products

Descriptive Report and Metadata Documents

NOAA/NOS Descriptive Reports and Metadata Documents
Products listed in these reports may not reflect final products available through NCEI.
H13705_DR.pdf	30.58MB	The document may be read using a free Adobe Reader.
H13705_DR.xml	50.4KB	Descriptive Report in XML format. May be opened using a web browser or text viewer.
NOAA/NOS ISO metadata record
H13705 View / Download H13705.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.
H13705_MB_1m_MLLW_1of1.bag	682.58MB
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.
H13705_MB_1m_Ellipsoid_1of1.bag	663.35MB

Images

GeoImagePDF
H13705_GeoImage.pdf	14.60MB	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
H13705_SSSAB_1m_600kHz_3of3.tiff	18.96MB	NOAA/NOS TIFF sidescan sonar mosaic survey image. The mosaic may be viewed with a standard image viewer.
H13705_SSSAB_1m_600kHz_2of3.tiff	33.59MB	NOAA/NOS TIFF sidescan sonar mosaic survey image. The mosaic may be viewed with a standard image viewer.
H13705_SSSAB_1m_455kHz_1of3.tiff	936.07MB	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.
H13705_MBAB_2m_2903_300kHz_2of2.tif	10.69MB	NOAA/NOS TIFF multibeam acoustic backscatter mosaic survey image.
H13705_MBAB_2m_S222_300kHz_1of2.tif	52.05MB	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 H13705 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
H13705_BottomSamples.ascii	0.7KB	NOAA/NOS bottom sample document in PDF or ASC format.
Zip file containing bottom sample images and a shapefile of their locations
H13705_BottomSamples_shp_images.zip	4.22MB	Images may be viewed as standalone products or the shapefile can also be used to display where the images were taken.

Project Documents

Data Acquisition and Processing Report in PDF format
OPR-K371-TJ-23_DAPR.pdf	41.22MB	This document may be read using a free Adobe Reader.

Survey Metadata

Survey Summary

Locality Sublocality State or Region Galveston, Texas 15NM Southeast of Galveston Entrance Texas

Start Date End Date Approval Date 2023-04-09 2023-06-06 2023-11-20

Project Number Project Name Purpose OPR-K371-TJ-23

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 15 40000

Affected Products

ENCs RNCs US4TX52M US3GC02M

Junction Surveys H13704 H13703 H13218

Survey Equipment

Vessel(s) Chief(s) of Party THOMAS JEFFERSON Hydrographic Survey Launch 2903 NOAA Ship THOMAS JEFFERSON Matthew Jaskoski, NOAA/CAPT

Manufacturer Model Instrument Type Kongsberg Maritime EM 2040 MBES Backscatter AML Oceanographic MVP200 Conductivity, Temperature, and Depth Sensor Valeport Thru-Hull SVS Sound Speed System Teledyne RESON SVP 70 Sound Speed System Sea-Bird Scientific SBE 19plus V2 Conductivity, Temperature, and Depth Sensor Kongsberg Maritime EM 2040 MBES Klein Marine Systems System 5000 SSS EdgeTech 4200 SSS Applanix POS MV 320 v5 Positioning and Attitude System

Source Data at NCEI

Data in Archive Size (in GB) Date Archived Data Types Surveyed Raw and Processed 1281.073 2024-06-26 00:35:29.0 BACKSCATTER, BATHYMETRY