NOAA > NESDIS > NCEI (formerly NGDC) > Marine Geology and Geophysics > Bathymetry & Relief privacy policy  All Bathy/Relief Coastal DEMs Fishing Global Lakes Multibeam NOS

Report for H12911 Locality: South Coast of Kodiak Island Sublocality: 2 NM South of Cape Kiavak State(s) or Region(s): Alaska Start Date: 2016-06-24 End Date: 2016-07-20 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 H12911
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.
H12911_DR.pdf	15.93MB	The document may be read using a free Adobe Reader.
H12911_DR.xml	58.4KB	Descriptive Report in XML format. May be opened using a web browser or text viewer.
NOAA/NOS ISO metadata record
H12911 View / Download H12911.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.
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.
H12911_MB_8m_MLLW_Combined.bag	8.91MB
H12911_MB_8m_MLLW_4of4.bag	5.36MB
H12911_MB_2m_MLLW_2of4.bag	28.09MB
H12911_MB_4m_MLLW_3of4.bag	5.85MB
H12911_MB_1m_MLLW_1of4.bag	48.77MB
Ellipsoid Referenced BAG Files
Ellipsoid referenced Bag files have a vertical datum that may differ materially from the charted datum. Please refer to the file level metadata to ensure proper display.
H12911_MB_1m_Ellipsoid_1of4.bag	49.45MB
H12911_MB_8m_Ellipsoid_combined.bag	8.91MB
H12911_MB_2m_Ellipsoid_2of4.bag	28.35MB
H12911_MB_8m_Ellipsoid_4of4.bag	5.27MB
H12911_MB_4m_Ellipsoid_3of4.bag	5.68MB
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. 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.
H12911		XYZ format.

Images

GeoImagePDF
H12911_GeoImage.pdf	23.43MB	NOAA/NOS Layered GeoSpatial Image PDF File. Created by NOS to include chart and survey layers in a georeferenced pdf format.

Bottom Samples and Tide Documents

Bottom Sample Data
NOAA/NOS bottom sample listing in IMLGS (pre-1989)
Link to H12911 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
H12911_BottomSamples.ascii	302 Bytes	NOAA/NOS bottom sample document in PDF or ASC format.
NOAA/NOS Tide Note in PDF Format
H12911_tn.pdf	76.3KB	This document may be read using a free Adobe Reader.
NOAA/NOS Tide Zone in PDF format
H12911_tz.pdf	107.7KB	This document may be read using a free Adobe Reader.

Project Documents

Project Sketch in JPEG format
H12911_ProjectSketch.jpg	166.2KB	Project sketch image with highlighted survey area.
Data Acquisition and Processing Report in PDF format
OPR-P335-FA-16_DAPR.pdf	27.97MB	This document may be read using a free Adobe Reader.

Survey Metadata

Survey Summary

Locality Sublocality State or Region South Coast of Kodiak Island 2 NM South of Cape Kiavak Alaska

Start Date End Date Approval Date 2016-06-24 2016-07-20 2016-11-16

Project Number Project Name Purpose OPR-P335-FA-16

Source of Original Data

Link to Original Data Data Source

Reference System Information

Vertical Datum Horizontal Datum Projection Scale Mean Lower Low Water World Geodetic System (WGS) 1984 Projected UTM 5 40000

Tide Note Tide Zones Survey Tide Stations COOPS Tide Station ID

Affected Products

ENCs RNCs US4AK5NM 16592

Junction Surveys

Survey Equipment

Vessel(s) Chief(s) of Party 2808 (FA) 2807 (FA) 2806 (FA) 2805 (FA) NOAA Ship FAIRWEATHER CDR Mark Van Waes, NOAA

Manufacturer Model Instrument Type Kongsberg Maritime EM 710 MBES Applanix POS MV 320 v4 Positioning and Attitude System Rolls Royce MVP 200 Conductivity, Temperature, and Depth Sensor RESON 7125 MBES

Source Data at NCEI

Data in Archive Size (in GB) Date Archived Data Types Surveyed Raw and Processed 85.607 2019-08-19 11:33:47.0 BACKSCATTER, BATHYMETRY