Digital image mosaics of the nearshore coastal waters of selected areas on the island of Moloka'i generated using aerial photographs and SHOALS airborne lidar bathymetry data

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Metadata:

Identification_Information:
Citation:
Citation_Information:
Originator: Pat S. Chavez, Jr.
Originator: JoAnn Isbrecht
Originator: Miguel G. Velasco
Originator: Susan A. Cochran
Publication_Date: 2016
Title:
Digital image mosaics of the nearshore coastal waters of selected areas on the island of Moloka'i generated using aerial photographs and SHOALS airborne lidar bathymetry data
Geospatial_Data_Presentation_Form: Raster digital data set
Series_Information:
Series_Name: data release
Issue_Identification: 10.5066/F7NZ85SK
Publication_Information:
Publication_Place:
Pacific Coastal and Marine Science Center, Santa Cruz, California
Publisher: U.S. Geological Survey, Coastal and Marine Geology Program
Online_Linkage: https://doi.org/10.5066/F7NZ85SK
Larger_Work_Citation:
Citation_Information:
Originator: Pat S. Chavez, Jr.
Originator: JoAnn Isbrecht
Originator: Miguel G. Velasco
Originator: Susan A. Cochran
Publication_Date: 2016
Title:
Digital image mosaics of the nearshore coastal waters of selected areas on the Hawaiian Islands of Hawai'i, Maui, Moloka'i, and O'ahu generated using aerial photographs and airborne lidar bathymetry data
Series_Information:
Series_Name: data release
Issue_Identification: 10.5066/F7NZ85SK
Publication_Information:
Publication_Place:
Pacific Coastal and Marine Science Center, Santa Cruz, California
Publisher: U.S. Geological Survey, Coastal and Marine Geology Program
Online_Linkage: https://doi.org/10.5066/F7NZ85SK
Description:
Abstract:
This portion of the data release contains digital image mosaics along the south coast of Moloka'i. Digital mosaics at 1-foot (0.3048-meter) resolution, including the areas of Pala'au, Umipa'a, Kaunakakai, Kamiloloa, Kawela, Kamalo, and Kalaeloa, were generated from 1:10K aerial photography, and are presented in one zip file (molokai_1ft.zip) that also contains lower-resolution 'browse' graphics of each image-mosaic area, as well as associated metadata. Digital mosaics at 1-meter resolution, including the areas of La'au Point, Hale O Lono, Waiakane, Pala'au, Kaunakakai, Kamiloloa, Kawela, Kamalo, and Puko‘o, were generated from 1:35K aerial photography, and are presented in a second zip file (molokai_1m.zip) that also contains 'browse' graphics of each image mosaic area, as well as associated metadata. Several of the 1-meter-resolution images have been merged together and combined with lidar bathymetry data to create three large shaded-relief images along the southwest (Waiakane to Pala'au), southcentral (Pala'au to Kawela), and southeast (Kawela to Puko'o) coasts of Moloka'i. These shaded-relief images are presented in a third zip file (molokai_1m_shaded.zip), along with 'browse' graphics of each image mosaic area and associated metadata.
Purpose:
The lack of geographic and thematic maps of coral reefs limits our understanding of reefs and our ability to assess change. The U.S. Geological Survey (USGS) has the capability to compile digital image mosaics that are useful for creating detailed map products. Image maps covering the shallow near-shore coastal waters have been produced for several of the main Hawaiian Islands, including Hawai'i, Maui, Moloka'i, and O‘ahu and are presented in JPEG2000 (.jp2) format.
Supplemental_Information:
Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government.
Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 1993
Ending_Date: 2001
Currentness_Reference: ground condition at time data were collected
Status:
Progress: Complete
Maintenance_and_Update_Frequency: None planned
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -157.313
East_Bounding_Coordinate: -156.767
North_Bounding_Coordinate: 21.120
South_Bounding_Coordinate: 21.025
Keywords:
Theme:
Theme_Keyword_Thesaurus: USGS Metadata Identifier
Theme_Keyword: USGS:57aa4273e4b05e859be091a3
Theme:
Theme_Keyword_Thesaurus: ISO 19115 Topic Category
Theme_Keyword: imageryBaseMapsEarthCover
Theme_Keyword: environment
Theme_Keyword: geoscientificInformation
Theme_Keyword: oceans
Theme:
Theme_Keyword_Thesaurus: USGS Thesaurus
Theme_Keyword: image mosaics
Theme_Keyword: aerial photography
Theme_Keyword: coastal ecosystems
Theme_Keyword: marine ecosystems
Theme_Keyword: reef ecosystems
Theme_Keyword: geology
Theme:
Theme_Keyword_Thesaurus: Global Change Master Directory (GCMD)
Theme_Keyword: coral reefs
Theme_Keyword: lidar
Theme_Keyword: cameras
Theme:
Theme_Keyword_Thesaurus: Marine Realms Information Bank (MRIB) keywords
Theme_Keyword: fragile ecosystems
Theme_Keyword: habitats
Theme_Keyword: photography
Theme_Keyword: remote sensing
Theme_Keyword: mapping
Theme:
Theme_Keyword_Thesaurus: NASA Thesaurus
Theme_Keyword: aerial photography
Theme_Keyword: mosaics
Theme_Keyword: image processing
Theme_Keyword: coastal water
Theme_Keyword: coastal ecology
Theme_Keyword: marine environments
Theme:
Theme_Keyword_Thesaurus: None
Theme_Keyword: aerial imagery
Theme_Keyword: USGS
Theme_Keyword: U.S. Geological Survey
Theme_Keyword: PCMSC
Theme_Keyword: Pacific Coastal and Marine Science Center
Theme_Keyword: CMGP
Theme_Keyword: Coastal and Marine Geology Program
Theme_Keyword: shaded-relief
Place:
Place_Keyword_Thesaurus: Geographic Names Information System (GNIS)
Place_Keyword: Island of Hawai'i
Place_Keyword: Maui
Place_Keyword: Moloka'i
Place_Keyword: O'ahu
Place_Keyword: La'au Point
Place_Keyword: Haleolono Point
Place_Keyword: Waiakane
Place_Keyword: Pala'au
Place_Keyword: Umipa'a
Place_Keyword: Kaunakakai
Place_Keyword: Kamiloloa
Place_Keyword: Kawela
Place_Keyword: Kamalo
Place_Keyword: Kalaeloa
Place_Keyword: Puko'o
Access_Constraints: None
Use_Constraints:
USGS-authored or produced data and information are in the public domain from the U.S. Government and are freely redistributable with proper metadata and source attribution. Please recognize and acknowledge the U.S. Geological Survey as the originator(s) of the dataset and in products derived from these data.
Point_of_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization:
U.S. Geological Survey, Pacific Coastal and Marine Science Center
Contact_Person: Susan A. Cochran
Contact_Position: Geologist
Contact_Address:
Address_Type: Mailing and Physical
Address: 2885 Mission Street
City: Santa Cruz
State_or_Province: CA
Postal_Code: 95060
Contact_Voice_Telephone: 831-460-7545
Contact_Facsimile_Telephone: 831-427-4748
Contact_Electronic_Mail_Address: scochran@usgs.gov
Native_Data_Set_Environment:
OS - VMS, UNIX; Software - USGS Mini Image Processing System (MIPS)
Cross_Reference:
Citation_Information:
Originator: Pat S. Chavez, Jr.
Publication_Date: 1984
Title: U.S. Geological Survey mini image processing system (MIPS)
Series_Information:
Series_Name: Open-File Report
Issue_Identification: 84-880
Publication_Information:
Publication_Place: Reston, VA
Publisher: U.S. Geological Survey
Online_Linkage: https://pubs.er.usgs.gov/publication/ofr84880
Data_Quality_Information:
Attribute_Accuracy:
Attribute_Accuracy_Report: There are no attributes associated with JPEG2000 images.
Logical_Consistency_Report:
No formal logical accuracy tests were conducted, nor are they applicable for these data.
Completeness_Report:
Dataset is considered complete for the information presented, as described in the abstract. Users are advised to read the rest of the metadata record carefully for additional details.
Positional_Accuracy:
Horizontal_Positional_Accuracy:
Horizontal_Positional_Accuracy_Report:
A formal accuracy assessment of the horizontal positional information in the data set has not been conducted.
Vertical_Positional_Accuracy:
Vertical_Positional_Accuracy_Report:
A formal accuracy assessment of the vertical positional information in the data set has not been conducted.
Lineage:
Source_Information:
Source_Citation:
Citation_Information:
Originator:
National Oceanic and Atmospheric Administration (NOAA) National Ocean Service
Publication_Date: 1993
Title:
1:35K natural-color aerial photographs of selected areas of the island of Moloka'i
Publication_Information:
Publication_Place: Silver Spring, MD
Publisher: NOAA National Ocean Service
Type_of_Source_Media: paper aerial photographs
Source_Time_Period_of_Content:
Time_Period_Information:
Single_Date/Time:
Calendar_Date: 19930921
Source_Currentness_Reference: aerial photograph acquisition date
Source_Citation_Abbreviation: aerial
Source_Contribution:
Aerial photographs were digitized and used to create image mosaics
Source_Information:
Source_Citation:
Citation_Information:
Originator: Air Survey Hawai'i, Inc.
Publication_Date: 2000
Title:
1:10K natural-color aerial photographs of selected areas of the island of Moloka'i
Publication_Information:
Publication_Place: Honolulu, HI
Publisher: Air Survey Hawai'i, Inc.
Type_of_Source_Media: paper aerial photographs
Source_Time_Period_of_Content:
Time_Period_Information:
Single_Date/Time:
Calendar_Date: 20000124
Source_Currentness_Reference: aerial photograph acquisition date
Source_Citation_Abbreviation: aerial
Source_Contribution:
Aerial photographs were digitized and used to create image mosaics
Source_Information:
Source_Citation:
Citation_Information:
Originator: U.S. Geological Survey (USGS)
Publication_Date: 2016
Title: EarthExplorer online database
Publication_Information:
Publication_Place: Reston, VA
Publisher: U.S. Geological Survey (USGS)
Online_Linkage: http://earthexplorer.usgs.gov
Type_of_Source_Media: GeoTIFF
Source_Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 2000
Ending_Date: 2001
Source_Currentness_Reference: ground condition at time images was collected
Source_Citation_Abbreviation: DOQ
Source_Contribution:
Digital orthophotoquads (DOQs) were matched and combined with lidar data to get image-to-image geometric control points on both land and within the water areas to create 'masters' with which to georeference the aerial photographs
Source_Information:
Source_Citation:
Citation_Information:
Originator:
U.S. Army Corps of Engineers (USACE) Joint Airborne Lidar Bathymetry Technical Center of Expertise (JALBCTX)
Publication_Date: 2000
Title: SHOALS lidar bathymetry data
Publication_Information:
Publication_Place: Mobile, AL
Publisher: U.S. Army Corps of Engineers (USACE)
Online_Linkage: http://shoals.sam.usace.army.mil/
Type_of_Source_Media: ASCII xyz data
Source_Time_Period_of_Content:
Time_Period_Information:
Range_of_Dates/Times:
Beginning_Date: 199902
Ending_Date: 199904
Source_Currentness_Reference: ground condition at time lidar data were collected
Source_Citation_Abbreviation: lidar
Source_Contribution:
Lidar bathymetry data were used to help geometrically control the aerial photography and to create shaded-relief images
Process_Step:
Process_Description:
Digital-image mosaics were generated by first scanning 1:35K aerial photographs at 1.0 meter-per-pixel resolution and 1:10K aerial photographs at 1.0 foot-per-pixel (0.3048 meter-per-pixel) resolution. The individually scanned digital images were tone- and color-matched and then combined together using spatial matching. Separately, black and white digital orthophotoquads (DOQs) of the same areas were then combined with shaded-relief images generated from lidar bathymetry data. The resulting black and white shaded-relief images covering both near-shore coastal waters and on-land areas became the geometric 'masters' for the mosaics generated from the aerial photographs. The aerial-photograph mosaics were geometrically corrected to overlay the master data set by using hundreds of image-to-image geometric control points and 'slaving' the mosaic onto the DOQ-lidar master. The lidar bathymetry data were then used to create versions of the digital-image mosaics showing shaded-relief. The depth at which bottom features can be seen with the digitized aerial photographs alone is approximately 27 m (55 ft), but can reach 36 m (120 ft) when combined with the lidar bathymetry data.
Source_Used_Citation_Abbreviation: all sources cited were used
Process_Date: 2007
Process_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: U.S. Geological Survey, Western Geographic Science Center
Contact_Person: Miguel G. Velasco
Contact_Position: Geographer
Contact_Address:
Address_Type: Mailing and Physical
Address: 2255 N. Gemini Drive
City: Flagstaff
State_or_Province: AZ
Postal_Code: 86001
Contact_Voice_Telephone: 928-556-7224
Contact_Electronic_Mail_Address: mvelasco@usgs.gov
Process_Step:
Process_Description:
Edited metadata to add keywords section with USGS persistent identifier as theme keyword. No data were changed.
Process_Date: 20201019
Process_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: U.S. Geological Survey
Contact_Person: VeeAnn A. Cross
Contact_Position: Marine Geologist
Contact_Address:
Address_Type: Mailing and Physical
Address: 384 Woods Hole Road
City: Woods Hole
State_or_Province: MA
Postal_Code: 02543-1598
Contact_Voice_Telephone: 508-548-8700 x2251
Contact_Facsimile_Telephone: 508-457-2310
Contact_Electronic_Mail_Address: vatnipp@usgs.gov
Process_Step:
Process_Description:
Performed minor edits to the metadata to correct typos. No data were changed
Process_Date: 20211015
Process_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: U.S. Geological Survey
Contact_Person: Susan A. Cochran
Contact_Position: Geologist
Contact_Address:
Address_Type: Mailing and Physical
Address: 2885 Mission Street
City: Santa Cruz
State_or_Province: CA
Postal_Code: 95060
Contact_Voice_Telephone: 831-460-7545
Contact_Electronic_Mail_Address: scochran@usgs.gov
Cloud_Cover: 0
Spatial_Data_Organization_Information:
Direct_Spatial_Reference_Method: Raster
Raster_Object_Information:
Raster_Object_Type: Pixel
Spatial_Reference_Information:
Horizontal_Coordinate_System_Definition:
Planar:
Grid_Coordinate_System:
Grid_Coordinate_System_Name: Universal Transverse Mercator
Universal_Transverse_Mercator:
UTM_Zone_Number: 4
Transverse_Mercator:
Scale_Factor_at_Central_Meridian: 0.9996
Longitude_of_Central_Meridian: -153
Latitude_of_Projection_Origin: 0
False_Easting: 0
False_Northing: 0
Planar_Coordinate_Information:
Planar_Coordinate_Encoding_Method: Coordinate Pair
Coordinate_Representation:
Abscissa_Resolution: 1.0
Ordinate_Resolution: 1.0
Planar_Distance_Units: meters
Distribution_Information:
Distributor:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization: U.S. Geological Survey - ScienceBase
Contact_Address:
Address_Type: Mailing and Physical
Address: Denver Federal Center, Building 810, Mail Stop 302
City: Denver
State_or_Province: CO
Postal_Code: 80225
Contact_Voice_Telephone: 1-888-275-8747
Contact_Electronic_Mail_Address: sciencebase@usgs.gov
Resource_Description:
These digital image mosaics are available in JPEG 2000 format (.jp2), along with a lower-resolution 'browse' image and associated metadata.
Distribution_Liability:
Unless otherwise stated, all data, metadata and related materials are considered to satisfy the quality standards relative to the purpose for which the data were collected. Although these data and associated metadata have been reviewed for accuracy and completeness and approved for release by the U.S. Geological Survey (USGS), no warranty expressed or implied is made regarding the display or utility of the data on any other system or for general or scientific purposes, nor shall the act of distribution constitute any such warranty.
Standard_Order_Process:
Digital_Form:
Digital_Transfer_Information:
Format_Name: JPEG
Format_Version_Number: USGS Mini Image Processing System (MIPS)
Format_Specification: JPEG 2000 raster
Format_Information_Content: jp2 images, browse graphics, and metadata files.
File_Decompression_Technique: zip archive
Transfer_Size: 1747
Digital_Transfer_Option:
Online_Option:
Computer_Contact_Information:
Network_Address:
Network_Resource_Name:
https://www.sciencebase.gov/catalog/file/get/57aa4273e4b05e859be091a3
Access_Instructions: Data can be downloaded via the Internet
Fees: None.
Technical_Prerequisites:
These data can be read by computers running Windows, Macintosh, and UNIX operating systems, all equipped with a color monitor. A PC should have an Intel® Pentium® processor or faster, Microsoft® Windows 98 or newer, and 64 MB of RAM or greater. A Macintosh should have a PowerPC® processor or faster, Mac OS software version 8.6 or newer, and 64 MB of RAM or greater. Almost any UNIX workstation can read these files. Optional software includes Geographic Information System (GIS) software, such as Esri ArcGIS®, or other image-processing software that will handle large files, such as ERDAS®, ENVI®, and Adobe Photoshop® or LizardTech® Express View.
Metadata_Reference_Information:
Metadata_Date: 20211015
Metadata_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization:
U.S. Geological Survey, Pacific Coastal and Marine Science Center
Contact_Person: Susan A. Cochran
Contact_Position: Geologist
Contact_Address:
Address_Type: Mailing and Physical
Address: 2885 Mission Street
City: Santa Cruz
State_or_Province: CA
Postal_Code: 95060
Country: United States of America
Contact_Voice_Telephone: 831-460-7545
Contact_Electronic_Mail_Address: scochran@usgs.gov
Metadata_Standard_Name: Content Standard for Digital Geospatial Metadata
Metadata_Standard_Version: FGDC-STD-001-1998
This page is <https://cmgds.marine.usgs.gov/catalog/pcmsc/DataReleases/ScienceBase/DR_F7NZ85SK/molokai_meta.html>
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