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Report for H11720 Locality: Akutan Pass Sublocality: West of Egg Island State(s) or Region(s): Alaska Start Date: 2007-06-16 End Date: 2007-07-22 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 H11720
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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.
H11720.pdf	1.90MB	The document may be read using a free Adobe Reader.
NOAA/NOS ISO metadata record
H11720 View / Download H11720.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
H11720_MB_VR_MLLW_1of1.bag	17.60MB	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.
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.
H11720		XYZ format.

Bottom Samples and Tide Documents

NOAA/NOS Tide Note in PDF Format
H11720.tn.pdf	15.7KB	This document may be read using a free Adobe Reader.

Project Documents

Project Sketch in JPEG format
OPR-Q191-KR-07(H11720).jpg	185.4KB	Project sketch image with highlighted survey area.
Data Acquisition and Processing Report in PDF format
OPR-Q191-KR-07_DAPR.pdf	1.09MB	This document may be read using a free Adobe Reader.

Survey Metadata

Survey Summary

Locality Sublocality State or Region Akutan Pass West of Egg Island Alaska

Start Date End Date Approval Date 2007-06-16 2007-07-22 2010-02-10

Project Number Project Name Purpose OPR-Q191-KR-07 Krenitzin Islands, 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 10000

Survey Tide Stations COOPS Tide Station ID Biorka Village, Biverly Inlet, Alaska Reef Bight, Alaska 9462662

Affected Products

ENCs RNCs US3AK61M 16531 16528 16522 16520

Junction Surveys H11719 H11716

Survey Equipment

Vessel(s) Chief(s) of Party DAVIDSON Bristol Bay Launch R2 R/V DAVIDSON DAVIDSON Bristol Bay Launch D2 Dean Moyles

Manufacturer Model Instrument Type AML SVP Velocimeter Sound Velocity Probe Reson SeaBat 8111 MBES Reson SeaBat 8101 MBES CSI MBX-3S DGPS Receiver Satellite DGPS Applanix TSS POS/MV 320 DGPS Receiver Satellite DGPS 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 26.625 2012-01-31 BATHYMETRY