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Report for H11845 Locality: Approaches to SItka Sublocality: Vicinity of Rakof Islands State(s) or Region(s): Alaska Start Date: 2008-05-22 End Date: 2008-06-18 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 H11845
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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.
H11845.pdf	4.42MB	The document may be read using a free Adobe Reader.
NOAA/NOS ISO Metadata Record
H11845 View / Download H11845.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
H11845_MB_VR_MLLW_1of2.bag	113.31MB	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.
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.
H11845_VB_4m_MLLW_2of2.bag	0.67MB
H11845_MB_VR_MLLW_1of2.bag	113.31MB
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.
H11845		XYZ format.

Bottom Samples and Tide Documents

NOAA/NOS Tide Note in PDF Format
H11845.tn.pdf	46.8KB	This document may be read using a free Adobe Reader.
NOAA/NOS Tide Zone in PDF format
H11845.tz.pdf	59.1KB	This document may be read using a free Adobe Reader.

Project Documents

Project Sketch in JPEG format
OPR-O112-RA-08(H11845).jpg	341.7KB	Project sketch image with highlighted survey area.
Data Acquisition and Processing Report in PDF format
OPR-O112-RA-08.pdf	0.53MB	This document may be read using a free Adobe Reader.

Survey Metadata

Survey Summary

Locality Sublocality State or Region Approaches to SItka Vicinity of Rakof Islands Alaska

Start Date End Date Approval Date 2008-05-22 2008-06-18 2010-05-21

Project Number Project Name Purpose OPR-O112-RA-08 Approaches to Sitka, Alaska Update Nautical Chart(s)

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 8 10000

Survey Tide Stations COOPS Tide Station ID Sitka, Alaska 9451600

Affected Products

ENCs RNCs US5AK3SM US5AK3GM 531 530 500 50 17328 17326 17320 16016

Junction Surveys H11847 H11846 H11844 H11677 H11586 H11540 H11539

Survey Equipment

Vessel(s) Chief(s) of Party RAINIER Jensen Launch 2121 RAINIER Jensen Launch 2125 RAINIER Jensen Launch 2124 RAINIER Munsen Launch 2122 RAINIER Jensen Launch 2123 NOAA Ship RAINIER RAINIER Launch 2129 Donald W. Haines

Manufacturer Model Instrument Type Teledyne RESON SeaBat 8125 MBES Seabird-Seacat SBE 19 Plus CTD Profiler Conductivity Temperature and Depth Satellite DGPS Satellite GPS Seabeam Elac 1050D MKII MBES Trimble DSM212L DGPS Receiver Satellite DGPS Reson SeaBat 8101 MBES Teledyne RESON SeaBat 7125 MBES Knudsen 320M Single Beam Echo Sounder Applanix TSS POS/MV 320 GPS Receiver Satellite GPS Ceeducer Single Beam Echo Sounder Ashtech A12 GPS Receiver Satellite GPS

Source Data at NCEI

Data in Archive Size (in GB) Date Archived Data Types Surveyed Raw and Processed 34.238 2012-04-10 BATHYMETRY