Report for H12581

Start Date:	2013-08-24
End Date:	2013-09-23

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.

Visit the full NCEI Bathymetry Viewer.

Survey Products

NOAA/NOS Descriptive Reports and Metadata Documents
Products listed in these reports may not reflect final products available through NCEI.
H12581_DR.pdf	17.40MB	The document may be read using a free Adobe Reader.
H12581_DR.xml	57.2KB	Descriptive Report in XML format. May be opened using a web browser or text viewer.
NOAA/NOS ISO metadata record
H12581 View / Download H12581.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.

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.
H12581_MB_VR_MLLW_1of1.bag	339.71MB	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.
H12581		XYZ format.

GeoImagePDF
H12581_GeoImage.pdf	26.11MB	NOAA/NOS Layered GeoSpatial Image PDF File. Created by NOS to include chart and survey layers in a georeferenced pdf format.

Bottom Sample Data
NOAA/NOS bottom sample listing in IMLGS (pre-1989)
Link to H12581 in IMLGS (pre-1989 samples)		Search NOAA/NOS seabed samples submitted to IMLGS through NMNH (pre-1989). Modern survey bottom samples are not currently viewable on a map service.
NOAA/NOS bottom sample document in PDF or ASC format
H12581_BottomSamples.ascii	0.5KB	NOAA/NOS bottom sample document in PDF or ASC format.
NOAA/NOS Tide Note in PDF Format
H12581_tn.pdf	43.6KB	This document may be read using a free Adobe Reader.
NOAA/NOS Tide Zone in PDF format
H12581_tz.pdf	0.51MB	This document may be read using a free Adobe Reader.

Project Sketch in JPEG format
H12581_ProjectSketch.jpg	68.7KB	Project sketch image with highlighted survey area.
Data Acquisition and Processing Report in PDF format
OPR-P377-RA-13_DAPR.pdf	79.14MB	This document may be read using a free Adobe Reader.

Locality

Sublocality

State or Region

South Alaska Peninsula, AK

North Cold Bay

Alaska

Start Date	End Date	Approval Date
2013-08-24	2013-09-23	2014-06-18

Project Number	Project Name	Purpose
OPR-P377-RA-13

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.

Vertical Datum	Horizontal Datum	Projection	Scale
Mean Lower Low Water	North American Datum 1983	Projected UTM 3	40000

ENCs

RNCs

US4AK55M

16549

Vessel(s)

Chief(s) of Party

RA-6

RA-3

RA-5

RA-4

RA-7

RA-8

Manufacturer	Model	Instrument Type
Teledyne RESON	SeaBat 8125	MBES
Reson	7125	MBES

Data in Archive	Size (in GB)	Date Archived	Data Types Surveyed
Raw and Processed	392.013	2015-11-02 11:32:02.0