Babeldaob Island wildfires (2012+)
Metadata:
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Identification_Information:
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Citation:
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Citation_Information:
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Originator: Earl, Allyson R.
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Originator: Geringer-Frazier, Barbara L.
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Originator: Dendy, Julian T.
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Originator: Mesubed, Dino
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Originator: Giardina, Christian P.
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Originator: Cordell, Susan
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Originator: Holm, Tarita
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Originator: Uowolo, Amanda L.
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Publication_Date: 2024
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Title:
Babeldaob Island wildfires (2012+)- Edition: 2nd
- Geospatial_Data_Presentation_Form: vector digital data
- Publication_Information:
- Publication_Place: Fort Collins, CO
- Publisher: Forest Service Research Data Archive
- Other_Citation_Details:
- Updated 22 January 2025
- Online_Linkage: https://doi.org/10.2737/RDS-2022-0039-2
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Description:
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Abstract:
- This data publication contains wildfire locations as well as areas of repeated wildfires on Babeldaob Island, Palau. These data were digitized from a variety of sources: handheld global positioning system (GPS) fire perimeter mapping, aerial photo fire perimeter mapping, and satellite image fire perimeter mapping. In addition to 1) wildfire locations (2012-2024) and 2) the areas of repeated wildfires (2012-2021), also included for Babeldaob Island (dated 2021 unless otherwise noted) are: 3) streams composed from topographic maps, 4) roads (obtained from Palau Automated Land and Resource Information Service (PALARIS) and updated with 2015 imagery), 5) locations of terrestrial protected areas, 6) mangrove vegetation around the island, 7) Babeldaob Island state boundaries, and 8) Babeldaob coastline.
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Purpose:
- The purpose of this study was to summarize annual area and forest resources burned on Babeldaob Island, Palau.
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Supplemental_Information:
- The first edition of these data (Dendy et al. 2022; https://doi.org/10.2737/RDS-2022-0039) was published on 04/07/2022 and included data from 2012-2021. This second edition, published on 02/02/2024, includes the addition of wildfire location data from 2022-2023. On 01/22/2025, data for 2024 were added as well as a few minor metadata updates.
For more information about this study and these data, see Dendy et al. (2022; https://doi.org/10.3390/fire5020045).
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Time_Period_of_Content:
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Time_Period_Information:
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Range_of_Dates/Times:
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Beginning_Date: 2012
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Ending_Date: 2024
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Currentness_Reference:
- Ground condition
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Status:
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Progress: Complete
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Maintenance_and_Update_Frequency: Annually
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Spatial_Domain:
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Description_of_Geographic_Extent:
- These data were collected on Babeldaob Island, Palau.
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Bounding_Coordinates:
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West_Bounding_Coordinate: 134.468536
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East_Bounding_Coordinate: 134.645788
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North_Bounding_Coordinate: 7.724835
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South_Bounding_Coordinate: 7.354097
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Bounding_Altitudes:
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Altitude_Minimum: 0
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Altitude_Maximum: 242
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Altitude_Distance_Units: meters
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Keywords:
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Theme:
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Theme_Keyword_Thesaurus: ISO 19115 Topic Category
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Theme_Keyword: environment
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Theme_Keyword: society
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Theme:
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Theme_Keyword_Thesaurus: National Research & Development Taxonomy
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Theme_Keyword: Climate change
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Theme_Keyword: Fire
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Theme_Keyword: Inventory, Monitoring, & Analysis
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Theme:
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Theme_Keyword_Thesaurus: None
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Theme_Keyword: wildfire
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Theme_Keyword: forest
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Theme_Keyword: savanna
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Theme_Keyword: hunting
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Theme_Keyword: agriculture
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Theme_Keyword: remote sensing
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Place:
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Place_Keyword_Thesaurus: None
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Place_Keyword: Babeldaob Island
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Place_Keyword: Palau
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Access_Constraints: None
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Use_Constraints:
- These data were collected using funding from the U.S. Government and can be used without additional permissions or fees. If you use these data in a publication, presentation, or other research product please use the following citation:
Earl, Allyson R.; Geringer-Frazier, Barbara L.; Dendy, Julian T.; Mesubed, Dino; Giardina, Christian P.; Cordell, Susan; Holm, Tarita; Uowolo, Amanda L. 2024. Babeldaob Island wildfires (2012+). 2nd Edition. Updated 22 January 2025. Fort Collins, CO: Forest Service Research Data Archive. https://doi.org/10.2737/RDS-2022-0039-2
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Point_of_Contact:
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Contact_Information:
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Contact_Organization_Primary:
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Contact_Organization: Hawaii Wildfire Management Organization
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Contact_Person: Allyson R. Earl
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Contact_Position: Wildfire Mapping Technician
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Contact_Address:
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Address_Type: mailing
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Address: 65-1279 Kawaihae Road, Suite 21
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City: Kamuela
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State_or_Province: HI
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Postal_Code: 96743
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Country: USA
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Contact_Voice_Telephone: 808-885-0900
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Contact_Electronic_Mail_Address:
firetracking@hawaiiwildfire.org
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Contact Instructions: This contact information was current as of original publication date. For current information see Contact Us page on: https://doi.org/10.2737/RDS.
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Data_Set_Credit:
- These data were funded by the USDA Forest Service, Pacific Southwest Research Station (PSW) and the USDA Forest Service, Region 5. (Funded by the USFS through Participating Agreements between PSW and the Hawaii Wildfire Management Organization [#22-PA-11272136-015].)
Author Information:
Allyson R. Earl
Hawaii Wildfire Management Organization
Barbara L. Geringer-Frazier
USDA Forest Service, Pacific Southwest Research Station
Julian T. Dendy
Coral Reef Research Foundation
https://orcid.org/0000-0003-1185-4186
Dino Mesubed
Palau Bureau of Agriculture
Christian P. Giardina
USDA Forest Service, Pacific Southwest Research Station
Susan Cordell
USDA Forest Service, Pacific Southwest Research Station
https://orcid.org/0000-0003-4840-8921
Tarita Holm
SOAS University of London
Amanda L. Uowolo
USDA Forest Service, Pacific Southwest Research Station
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Cross_Reference:
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Citation_Information:
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Originator: Dendy, Julian
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Originator: Mesubed, Dino
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Originator: Giardina, Christian P.
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Originator: Cordell, Susan
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Originator: Holm, Tarita
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Originator: Uowolo, Amanda
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Publication_Date: 2022
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Title:
Dynamics of anthropogenic wildfire on Babeldaob Island (Palau) as revealed by fire history- Geospatial_Data_Presentation_Form: journal article
- Series_Information:
- Series_Name: Fire
- Issue_Identification: 5(2): 45
- Online_Linkage: https://doi.org/10.3390/fire5020045
- Online_Linkage: https://research.fs.usda.gov/treesearch/64291
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Cross_Reference:
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Citation_Information:
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Originator: Dendy, Julian T.
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Originator: Mesubed, Dino
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Originator: Giardina, Christian P.
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Originator: Cordell, Susan
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Originator: Holm, Tarita
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Originator: Uowolo, Amanda L.
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Publication_Date: 2022
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Title:
Babeldaob Island wildfires (2012-2021)- Edition: 1st
- Geospatial_Data_Presentation_Form: vector digital data
- Publication_Information:
- Publication_Place: Fort Collins, CO
- Publisher: Forest Service Research Data Archive
- Online_Linkage: https://doi.org/10.2737/RDS-2022-0039
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Data_Quality_Information:
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Attribute_Accuracy:
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Attribute_Accuracy_Report:
- Garmin Map GPS 60 was estimated at ± 7.5 meters (m). Georeferenced aerial photographs were estimated at ± 5 m. Satellite imagery were estimated at ± 5 m.
Accuracy assessment of fire classification methods is included in Dendy et al. (2022).
Dendy, Julian; Mesubed, Dino; Colin, Patrick L.; Giardina, Christian P.; Cordell, Susan; Holm, Tarita; Uowolo, Amanda. 2022. Dynamics of anthropogenic wildfire on Babeldaob Island (Palau) as revealed by fire history. Fire 5(2): 45. https://doi.org/10.3390/fire5020045 and https://research.fs.usda.gov/treesearch/64291
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Logical_Consistency_Report:
- The data are logically consistent, which was verified with quality assurance (QA) throughout the data collection process.
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Completeness_Report:
- Several polygons are missing a Photo ID. Satellite imagery (World View 1,2, and 3, and GEO1) from the DGEV online image service was used to check, correct, and supplement burned area archives from 2012 to 2015 (this information can be found in the Comments attribute). Less accurate burned areas digitized from GPS tracks or aerial photos were removed from the data set. Some small number of fires was likely missed due to cloud cover, particularly from 2016 to 2023. Very small or obviously controlled fires were not digitized.
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Lineage:
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Source_Information:
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Source_Citation:
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Citation_Information:
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Originator: Palau Ministry of Finance (Palau Automated Land and Resource Information Service)
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Publication_Date: Unknown
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Title:
Babeldaob mangrove, state boundary, roads, and streams layers- Geospatial_Data_Presentation_Form: vector digital data
- Publication_Information:
- Publisher: PALARIS
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Type_of_Source_Media: Email
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Source_Time_Period_of_Content:
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Time_Period_Information:
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Single_Date/Time:
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Calendar_Date: 1987
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Source_Currentness_Reference:
- Publication Date
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Source_Citation_Abbreviation:
- PALARIS
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Source_Contribution:
- The Babeldaob mangrove layer, state boundary, roads, and streams layers were obtained from PALARIS, where they were created in the 2000’s. Layers obtained via personal communication: palaris@palaunet.com.
The mangrove layer was taken from a national vegetation layer, which was digitized by PALARIS from maps in Cole et al. (1987).
Cole, Thomas G.; Falanruw, Marjorie C.; MacLean, Colin D.; Whitesell, Craig D.; Ambacher, Alan H. 1987. Vegetation survey of the Republic of Palau. Resource Bulletin PSW-22. U.S. Department of Agriculture, Forest Service, Pacific Southwest Forest and Range Experiment Station. Berkeley, CA: University of California Press. 13 p. https://doi.org/10.2737/PSW-RB-22
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Source_Information:
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Source_Citation:
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Citation_Information:
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Originator: TNC (The Nature Conservancy, Palau Field Office)
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Publication_Date: Unknown
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Title:
Babeldaob protected area layer- Geospatial_Data_Presentation_Form: vector digital data
- Publication_Information:
- Publication_Place: Palau
- Publisher: The Nature Conservancy
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Type_of_Source_Media: Email
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Source_Time_Period_of_Content:
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Time_Period_Information:
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Single_Date/Time:
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Calendar_Date: 2018
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Source_Currentness_Reference:
- Publication Date
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Source_Citation_Abbreviation:
- TNC
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Source_Contribution:
- The Protected Area layer was obtained from Mike Aulerio at TNC Palau Field Office in 2018 (maulerio@tnc.org).
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Process_Step:
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Process_Description:
- Palau_Babeldaob_Fires_2012_2024:
Fire perimeters were hand drawn and burned area of polygons were generated with calculate geometry function, using handheld GPS coordinates, aerial photographs, and satellite images. Satellite imagery was used to supplement and correct earlier handheld GPS and aerial photo fires from 2012 to 2015. State boundary shapefiles were used to generate summary statistics of wildfires by state. Stream, mangrove, coastline, and road shapefiles were used to generate summary statistics for number of fires and percent of burned area within 10, 50 or 500 meters of streams, mangroves, coastline, and roads.
Babeldaob_Coast:
The island coastline, manually digitized in ArcMap by J. Dendy from a 2006 Quickbird mosaic satellite image, was used with the select by location tool in ArcMap to highlight burned areas within 10 meters.
Babeldaob_RepeatedBurnAreas_2012_2021:
The Intersect tool in ArcMap was used to generate overlaps of fires between years, and all intersects were merged into the larger repeated burns shapefile.
BabeldaobVeg_Mangrove:
The mangrove layer, which was taken from the Palau digitized vegetation map (Cole et al. 1987, digitized by PALARIS), was used with the select by location tool in ArcMap to highlight burned areas within 10 and 50 meters.
bdry_poly:
The boundaries of Babeldaob Island states, which was created by PALARIS, were used with the select by location tool in ArcMap to generate state burned area summaries.
FinalRoads2015_Merge:
The island road layer, which was created by PALARIS, was updated using 2015 WV2 mosaic imagery, and used with the select by location tool in ArcMap to highlight burned areas within 10 and 50 meters of roads.
Palau_Terrestrial_PAs:
The terrestrial protected areas on Babeldaob, which were taken from a regional Micronesia Challenge protected area 2018 shapefile from Mike Aulerio at The Nature Conservancy, Palau Field Office, were used with the select by location tool in ArcMap to highlight burned areas inside and within 50 meters of protected areas.
Streams:
The island streams layer, which was created by PALARIS, was used with the select by location tool in ArcMap to highlight burned areas within 10 and 50 meters of streams and rivers.
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Process_Date: 2023
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Spatial_Data_Organization_Information:
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Direct_Spatial_Reference_Method: Vector
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Point_and_Vector_Object_Information:
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SDTS_Terms_Description:
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SDTS_Point_and_Vector_Object_Type: GT-polygon composed of chains
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Point_and_Vector_Object_Count: 1336
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Spatial_Reference_Information:
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Horizontal_Coordinate_System_Definition:
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Geodetic_Model:
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Horizontal_Datum_Name: World Geodetic System of 1984
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Ellipsoid_Name: World Geodetic System of 1984
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Semi-major_Axis: 6378137.0000
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Denominator_of_Flattening_Ratio: 298.257223563
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Entity_and_Attribute_Information:
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Overview_Description:
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Entity_and_Attribute_Overview:
- Below you will find a list and description of the files included in this data publication.
VARIABLE DESCRIPTION FILE (1)
1. \Data\_variable_descriptions.csv: Comma-separated values (CSV) file containing a list and description of variables found in all data files. (A description of these variables is also provided in the metadata below.)
Columns include:
Entity = name of SHP file or entity in the GPKG file
Variable = name of variable
Units = units (if applicable)
Description = description of variable
DATA FILES (9)
1. \Data\All_spatial_data.gpkg: OGC Geopackage (GPKG) containing data from all spatial data files (*.shp) included in this publication.
2. \Data\Babeldaob_Coast.shp: Shapefile (SHP) (and associated files) containing the coastline of Babeldaob Island, based on a 2006 satellite image.
Attributes include:
FID = internal feature number automatically generated by Esri
Shape = feature geometry automatically generated by Esri
SHAPE_Leng = length of polygons in meters
3. \Data\Babeldaob_RepeatedBurnAreas_2012_2021.shp: SHP file (and associated files) containing areas in Babeldaob Island that had repeated wildfires between 2012-2021.
Attributes include:
FID = internal feature number automatically generated by Esri
Shape = feature geometry automatically generated by Esri
Area = area in square meters
4. \Data\BabeldaobVeg_Mangrove.shp: SHP file (and associated files) containing the areal extent of mangrove vegetation for Babeldaob Island.
Attributes include:
FID = internal feature number automatically generated by Esri
Shape = feature geometry automatically generated by Esri
Id = unique id
Area = area in square meters
5. \Data\bdry_poly.shp: SHP file (and associated files) containing state boundaries on Babeldaob Island.
Attributes include:
FID = internal feature number automatically generated by Esri
Shape = feature geometry automatically generated by Esri
AREA = area in square meters
PERIMETER = perimeter in meters
Name = Babeldaob State name
6. \Data\FinalRoads2015_Merge.shp: SHP file (and associated files) containing Babeldaob Island roads based on an updates from a 2015 satellite image.
Attributes include:
FID = internal feature number automatically generated by Esri
Shape = feature geometry automatically generated by Esri
Length = length of line segment in meters
7. Palau_Babeldaob_Fires_2012_2024.shp: SHP file (and associated files) containing the location of Babeldaob Island wildfires from 2012 through 2024.
Attributes include:
FID = internal feature number automatically generated by Esri
Shape = feature geometry automatically generated by Esri
PhotoID = date of imagery used combined with satellite type (WV01 = World View 1, WV02 = World View 2), and Island; each ID is unique and links the polygon to the downloaded image used to create that polygon
FireMonth = month that the fire most likely happened
Area = area in square meters (within 5-7.5 meters)
Year = year in which the wildfire occurred
Comments = comments that include any or all of the following: kind of satellite imagery used (World View 1, 2 and 3 [WV1, WV2, and WV3, respectively] and GeoEye-1 [GEO1]) - but the satellite type is not populated for 2016, observations about the imagery, date of spread, or additional information regarding when the fire most likely occurred
FireDate = date of fire (populated if it was known for GPS and aerial photo mapped fires) (± 4 days for satellite imagery) or left blank if too ambiguous
Island = island on which the fire occurred
Acreage = area in acres
8. \Data\Palau_Terrestrial_PAs.shp: SHP file (and associated files) containing protected areas of Babeldaob Island (polygons clipped at shoreline to display terrestrial protected areas only).
Attributes include:
FID = internal feature number automatically generated by Esri
Shape = feature geometry automatically generated by Esri
Id = identifier (not unique, values unknown)
AREA = area in square meters
Name = location name
9. \Data\Streams.shp: SHP file (and associated files) containing Babeldaob Island streams composed from topographic maps.
Attributes include:
FID = internal feature number automatically generated by Esri
Shape = feature geometry automatically generated by Esri
LENGTH = length of line segment in meters
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Entity_and_Attribute_Detail_Citation:
- Dendy, Julian; Mesubed, Dino; Colin, Patrick L.; Giardina, Christian P.; Cordell, Susan; Holm, Tarita; Uowolo, Amanda. 2022. Dynamics of anthropogenic wildfire on Babeldaob Island (Palau) as revealed by fire history. Fire 5(2): 45. https://doi.org/10.3390/fire5020045 and https://research.fs.usda.gov/treesearch/64291
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Distribution_Information:
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Distributor:
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Contact_Information:
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Contact_Organization_Primary:
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Contact_Organization: USDA Forest Service, Research and Development
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Contact_Position: Research Data Archivist
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Contact_Address:
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Address_Type: mailing and physical
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Address: 240 West Prospect Road
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City: Fort Collins
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State_or_Province: CO
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Postal_Code: 80526
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Country: USA
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Contact_Voice_Telephone: see Contact Instructions
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Contact Instructions: This contact information was current as of January 2025. For current information see Contact Us page on: https://doi.org/10.2737/RDS.
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Resource_Description: RDS-2022-0039-2
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Distribution_Liability:
- Metadata documents have been reviewed for accuracy and completeness. Unless otherwise stated, all data and related materials are considered to satisfy the quality standards relative to the purpose for which the data were collected. However, neither the author, the Archive, nor any part of the federal government can assure the reliability or suitability of these data for a particular purpose. The act of distribution shall not constitute any such warranty, and no responsibility is assumed for a user's application of these data or related materials.
The metadata, data, or related materials may be updated without notification. If a user believes errors are present in the metadata, data or related materials, please use the information in (1) Identification Information: Point of Contact, (2) Metadata Reference: Metadata Contact, or (3) Distribution Information: Distributor to notify the author or the Archive of the issues.
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Standard_Order_Process:
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Digital_Form:
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Digital_Transfer_Information:
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Format_Name: SHP
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Format_Version_Number: see Format Specification
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Format_Specification:
- Shapefile (and associated files)
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Digital_Transfer_Option:
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Online_Option:
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Computer_Contact_Information:
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Network_Address:
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Network_Resource_Name:
https://doi.org/10.2737/RDS-2022-0039-2
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Digital_Form:
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Digital_Transfer_Information:
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Format_Name: GPKG
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Format_Version_Number: see Format Specification
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Format_Specification:
- OGC Geopackage
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Digital_Transfer_Option:
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Online_Option:
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Computer_Contact_Information:
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Network_Address:
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Network_Resource_Name:
https://doi.org/10.2737/RDS-2022-0039-2
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Fees: None
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Metadata_Reference_Information:
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Metadata_Date: 20250122
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Metadata_Contact:
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Contact_Information:
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Contact_Organization_Primary:
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Contact_Organization: Hawaii Wildfire Management Organization
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Contact_Person: Allyson R. Earl
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Contact_Position: Wildfire Mapping Technician
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Contact_Address:
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Address_Type: mailing
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Address: 65-1279 Kawaihae Road, Suite 21
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City: Kamuela
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State_or_Province: HI
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Postal_Code: 96743
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Country: USA
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Contact_Voice_Telephone: 808-885-0900
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Contact_Electronic_Mail_Address:
firetracking@hawaiiwildfire.org
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Contact Instructions: This contact information was current as of original publication date. For current information see Contact Us page on: https://doi.org/10.2737/RDS.
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Metadata_Standard_Name: FGDC Content Standard for Digital Geospatial Metadata
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Metadata_Standard_Version: FGDC-STD-001-1998
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