Report for H11687

Locality:	Semidi Islands
Sublocality:	Chirikof Islands and Trinity Islands
State(s) or Region(s):	Alaska

Start Date:	2007-05-25
End Date:	2007-08-17

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 H11687

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.
H11687.pdf	2.93MB	The document may be read using a free Adobe Reader.
NOAA/NOS ISO metadata record
H11687 View / Download H11687.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

Variable Resolution Bathymetric Attributed Grid
Survey products may use different units, datums or projections than the associated survey. Please consult product-specific metadata for additional details.
H11687_MB_VR_MLLW.bag	51.12MB	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.
H11687		XYZ format.

Bottom Samples and Tide Documents

NOAA/NOS Tide Note in PDF Format
H11687.tn.pdf	46.8KB	This document may be read using a free Adobe Reader.
NOAA/NOS Tide Zone in PDF format
H11687.tz.pdf	458.0KB	This document may be read using a free Adobe Reader.

Project Documents

Project Sketch in JPEG format
S-P909-FA-07(H11687).jpg	56.8KB	Project sketch image with highlighted survey area.
Data Acquisition and Processing Report in PDF format
S-P909-FA-07_DAPR.pdf	269.4KB	This document may be read using a free Adobe Reader.

Survey Metadata

Survey Summary

Locality

Sublocality

State or Region

Semidi Islands

Chirikof Islands and Trinity Islands

Alaska

Start Date	End Date	Approval Date
2007-05-25	2007-08-17	2010-08-17

Project Number	Project Name	Purpose
S-P909-FA-07	Vicinity of Semidi Islands, Alaska	Update Nautical Chart(s)

Source of Original Data

Link to Original Data	Data Source

Reference System Information

Vertical Datum	Horizontal Datum	Projection	Scale
Mean Lower Low Water	North American Datum 1983	Projected UTM 5	135000

Tide Note

Tide Zones

Survey Tide Stations

COOPS Tide Station ID

Alitak, Alaska

9457804

Affected Products

ENCs

RNCs

US3AK5KM US1WC02M

16580 16013

Junction Surveys

Survey Equipment

Vessel(s)

Chief(s) of Party

NOAA Ship FAIRWEATHER

Douglas D. Baird, Jr.

Manufacturer	Model	Instrument Type
Brooke Ocean Technology	Moving Vessel Profiler-200	Moving Vessel Profiler
Reson	SeaBat 8111	MBES
CSI	MBX-3S 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

15.89

2011-08-12

BATHYMETRY