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Report for H13777 Locality: Southeast Alaska Sublocality: Entrance to Clarence Strait State(s) or Region(s): Alaska Start Date: 2023-04-11 End Date: 2023-10-26 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 H13777
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Survey Products

Descriptive Report and Metadata Documents

NOAA/NOS Descriptive Report & Survey Metadata
Products listed in the project descriptive report (DR) may not reflect final products available through NCEI.
H13777_DR.pdf	35.87MB	The document may be read using a free Adobe Reader.
H13777_DR.xml	40.6KB	Descriptive Report in XML format. May be opened using a web browser or text viewer.
NOAA/NOS ISO Metadata Record
H13777 View / Download H13777.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.
Variable Resolution Bathymetric Attributed Grid
H13777_MB_VR_Ellipsoid_1of1.bag	19.52MB	The Variable Resolution BAG format is a gridded, multi-dimensional, multi-resolution bathymetric data file (see Open Navigation Surface). Currently supported with open source GDAL. The BAGXYZ files are ascii representations of the BAG data in XYZ format, but do not include uncertainty.
H13777_MB_VR_MLLW_1of1.bag	19.52MB	The Variable Resolution BAG format is a gridded, multi-dimensional, multi-resolution bathymetric data file (see Open Navigation Surface). Currently supported with open source GDAL. The BAGXYZ files are ascii representations of the BAG data in XYZ format, but do not include uncertainty.

Images

GeoImagePDF
H13777_GeoImage.pdf	8.36MB	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.
H13777_MBAB_2m_2807_300kHz_2of3.tif	16.79MB	NOAA/NOS TIFF multibeam acoustic backscatter mosaic survey image.
H13777_MBAB_6m_S220_100kHz_3of3.tif	18.24MB	NOAA/NOS TIFF multibeam acoustic backscatter mosaic survey image.
H13777_MBAB_2m_2805_300kHz_1of3.tif	18.21MB	NOAA/NOS TIFF multibeam acoustic backscatter mosaic survey image.

Project Documents

Data Acquisition and Processing Report in PDF format
OPR-O392-FA-23_DAPR.pdf	42.71MB	This document may be read using a free Adobe Reader.

Survey Metadata

Survey Summary

Locality Sublocality State or Region Southeast Alaska Entrance to Clarence Strait Alaska

Start Date End Date Approval Date 2023-04-11 2023-10-26 2023-10-31

Project Number Project Name Purpose OPR-O392-FA-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 9 40000

Affected Products

ENCs RNCs US4AK4SM US4AK49M US3AK42M

Survey Equipment

Vessel(s) Chief(s) of Party NOAA Ship FAIRWEATHER CDR Meghan McGovern

Manufacturer Model Instrument Type Kongsberg Maritime EM 712 MBES AML Oceanographic MVP200 Conductivity, Temperature, and Depth Sensor Teledyne RESON SVP 71 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 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 Data Only 13.115 2023-06-29 20:18:14.0 BACKSCATTER, BATHYMETRY