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Report for H11123 Locality: Sitka Sublocality: Silver Bay State(s) or Region(s): Alaska Start Date: 2004-10-24 End Date: 2004-10-28 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 H11123
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.
H11123.pdf	3.67MB	The document may be read using a free Adobe Reader.
NOAA/NOS ISO metadata record
H11123 View / Download H11123.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
H11123_MB_VR_MLLW.bag	33.40MB	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.
ASCII Grid Data
A regular grid of measurements.
H11123_SB_UTM8_WGS84.txt.gz	9.2KB	YXZ format.
H11123_MB_UTM8_WGS84.txt.gz	2.43MB	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.
H11123		XYZ format.

Images

NOAA/NOS TIFF survey image
H11123_SB_UTM8_WGS84.tif.gz	15.8KB	NOAA/NOS TIFF survey image. Data over the entire survey area is represented in full color.
H11123_MB_UTM8_WGS84.tif.gz	336.9KB	NOAA/NOS TIFF survey image. Data over the entire survey area is represented in full color.

Bottom Samples and Tide Documents

NOAA/NOS Tide Note in PDF Format
H11123.tn.pdf	94.5KB	This document may be read using a free Adobe Reader.
NOAA/NOS Tide Zone in PDF format
H11123.tz.pdf	178.8KB	This document may be read using a free Adobe Reader.

Project Documents

Project Sketch in JPEG format
OPR-O112-TC-04(H11123).jpg	150.8KB	Project sketch image with highlighted survey area.

Survey Metadata

Survey Summary

Locality Sublocality State or Region Sitka Silver Bay Alaska

Start Date End Date Approval Date 2004-10-24 2004-10-28 2007-09-06

Project Number Project Name Purpose OPR-O112-TC-04 Sitka, Alaska Update Nautical Chart(s)

Source of Original Data and License Information

License Information These data were produced under contract with NOAA and any potential copyright was assigned to NOAA. 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 8 10000

Survey Tide Stations COOPS Tide Station ID Sitka, Alaska 9451600

Affected Products

ENCs RNCs US5AK3VM 17326

Survey Equipment

Vessel(s) Chief(s) of Party DAVIDSON Bristol Bay Launch R2 DAVIDSON Bristol Bay Launch D2 David A. Sinson

Manufacturer Model Instrument Type Teledyne RESON SeaBat 8125 MBES AML SVP Velocimeter Sound Velocity Probe Trimble MS750 DGPS Receiver Satellite DGPS Reson SeaBat 8111 MBES Reson SeaBat 8101 MBES 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 34.675 2020-02-26 10:06:08.0 BATHYMETRY