46151 Timor: WV-2 Satellite Image Inventory Data Set Published / External 27416 Timor Leste Project Completed 2017 Inventory of satellite images from DigitalGlobe’s WorldView-2 satellite purchased by the NOAA Coral Reef Ecosystem Program for Timor-leste from Jan 26, 2010 to August 10, 2014. Images were acquired for purposes of deriving seafloor depths and benthic habitat classes for the nearshore waters (< 20m depths) of Timor-leste. In addition to the inventory, the dataset includes the regions of interest (ROI) defined by NOAA used to define the geographic areas to acquire the satellite images from DigitalGlobe, the boundary extent of the available images within each ROI, and the footprint (extent) of each image. The data within each satellite image is clipped to the ROI. The ROI, boundary, and footprint files are provided in shapefile format, and the inventory is provided as a text file, which corresponds to the footprints shapefile. In 2011, NOAA and the United States Agency for International Development (USAID) Timor-Leste Mission formed a 5-year bi-lateral partnership agreement from 2012 to 2016, in support of the Government of Timor-Leste—particularly the Ministry of Agriculture and Fisheries (MAF)—by addressing significant information gaps in their nearshore marine ecosystems. Specifically, MAF asked NOAA to address the following questions: 1. Where are the nearshore marine resources? 2. What are the nearshore marine resources? 3. How are they changing over time and what threats are potentially causing these changes? 4. What approaches are needed to manage and conserve the nearshore marine resources? With financial support from USAID and in-kind support from the NOAA Coral Reef Conservation Program (CRCP), the NOAA Coral Reef Ecosystem Program (NOAA-CREP) conducted baseline ecosystem assessment surveys to inform ecosystem-based management planning in Timor-Leste. The primary activities conducted by NOAA to answer these questions included: 1. satellite mapping of nearshore habitats, 2. conducting coral reef ecosystem assessments, 3. establishing ecological baselines for climate change, and 4. building management capacity by developing a spatial data framework The satellite image inventory described herein resulted from the first activity to conduct satellite mapping for the nearshore waters around Timor-Leste. Pacific Islands Fisheries Science Center. 2017. Interdisciplinary baseline ecosystem assessment surveys to inform ecosystem-based management planning in Timor-Leste: Final Report. Pacific Islands Fisheries Science Center, PIFSC Special Publication, SP-17-002, 234 p. https://doi.org/10.7289/V5/SP-PIFSC-17-002. Theme ISO 19115 Topic Category imageryBaseMapsEarthCover Theme ISO 19115 Topic Category oceans Theme CoRIS Discovery Thesaurus Geographic Information > Habitats Theme CoRIS Theme Thesaurus EARTH SCIENCE > Biosphere > Aquatic Habitat > Benthic Habitat Theme CoRIS Theme Thesaurus EARTH SCIENCE > Biosphere > Aquatic Habitat > Coastal Habitat Theme CoRIS Theme Thesaurus EARTH SCIENCE > Biosphere > Aquatic Habitat > Reef Habitat Theme CoRIS Theme Thesaurus EARTH SCIENCE > Biosphere > Zoology > Corals > Reef Monitoring and Assessment > GIS Theme CoRIS Theme Thesaurus EARTH SCIENCE > Biosphere > Zoology > Corals > Reef Monitoring and Assessment > Mapping Theme CoRIS Theme Thesaurus EARTH SCIENCE > Biosphere > Zoology > Corals > Reef Monitoring and Assessment > Mapping > Base map > Hyper/multispectral Imagery Theme CoRIS Theme Thesaurus EARTH SCIENCE > Biosphere > Zoology > Corals > Reef Monitoring and Assessment > Mapping > Base map > Satellite Imagery Theme CoRIS Theme Thesaurus EARTH SCIENCE > Biosphere > Zoology > Corals > Reef Monitoring and Assessment > Remote Sensing Theme CoRIS Theme Thesaurus EARTH SCIENCE > Biosphere > Zoology > Corals > Reef Monitoring and Assessment > Remote Sensing > Satellite (digital scans) > WorldView-2 Theme CoRIS Theme Thesaurus EARTH SCIENCE > Oceans > Coastal Processes > Coral Reefs Theme NODC DATA TYPES THESAURUS POSITION - GEOGRAPHIC Theme NODC OBSERVATION TYPES THESAURUS GIS product Theme NODC OBSERVATION TYPES THESAURUS satellite photography Theme NODC PROJECT NAMES THESAURUS CORAL REEF STUDIES Theme NODC PROJECT NAMES THESAURUS Coral Triangle Initiative Theme NODC SUBMITTING INSTITUTION NAMES THESAURUS US DOC; NOAA; NMFS; Pacific Islands Fisheries Science Center; Ecosystem Sciences Division; Coral Reef Ecosystem Program Theme CRED Theme CREP Theme Coral Reef Ecosystem Division Theme Coral Reef Ecosystem Program Theme PIFSC Theme Pacific Islands Fisheries Science Center Theme USAID Theme United States Agency for International Development Spatial CoRIS Place Thesaurus COUNTRY/TERRITORY > Democratic Republic of Timor-Leste (East Timor) (09S126E0001) Spatial CoRIS Place Thesaurus OCEAN BASIN > Indian Ocean > Timor Sea > Democratic Republic of Timor-Leste (East Timor) (09S126E0001) Spatial NODC SEA AREA NAMES THESAURUS Indian Ocean Spatial NODC SEA AREA NAMES THESAURUS Timor Sea Spatial Atauro Spatial Baucau Spatial Bobonaro Spatial Dili Spatial Jaco Spatial Lautem Spatial Liquica Spatial Manatuto Spatial Manufahi Spatial Oecusse Spatial Timor Spatial Timor-Leste Spatial Vila MPA Pacific Islands Fisheries Science Center Honolulu HI USA Data Set Mixed: GIS shapefiles and CSV None Planned Map (digital) The Region of Interest (ROI) and Boundary shapefiles contain information about the four regions in Timor-leste (north and south shores of mainland Timor-leste, the island of Atauro, and the district of Oecusse to the west of mainland Timor-leste). The footprint shapefile represents the extent of each satellite image. The inventory file (CSV) contains information about each satellite image, including the purchase/acquisition attributes, type of imagery, center points in UTM, azimuth and elevation of the sun and satellite sensor, cloud cover, and off nadir. It also includes whether the image was georeferenced by NOAA, and used to derive depths and habitat classes. The inventory files corresponds to the footprints shapefil. While every effort has been made to ensure that these data are accurate and reliable within the limits of the current state of the art, NOAA cannot assume liability for any damages caused by errors or omissions in the data, nor as a result of the failure of the data to function on a particular system. NOAA makes no warranty, expressed or implied, nor does the fact of distribution constitute such a warranty. PIFSC Coral Reef Ecosystem Program and funded by the United States Agency for International Development WorldView-2 satellite sensor Not applicable Not applicable 50829 Published / External Completed Inventory and attributes of worldview-2 satellite imagery for Timor-Leste Data Table Yes WorldView-2 satellite image inventory and attributes for Timor-Leste ObjectID INTEGER No No Active The unique identifier for the dataset. The ObjectID field is maintained by ArcGIS and guarantees a unique ID for each row in a table. It can be used as an image ID when using the Lock Raster mosaic method. Name TEXT No No Active Display name for the catalog item (filename). Name of the source defined by the raster type, which can be the name of the raster dataset file or the metadata file defined in the raster type. MinPS NUMERIC No No Active Minimum pixel size Value = 0 Computed from the LowPS and HighPS values and depend on the overlapping raster datasets. These values control which raster will be used to create the dynamically mosaicked image at particular scales or resolutions of the display or image request. For example, if you create a mosaic dataset from 1-meter source rasters and build overviews, you will see a range of minimum and maximum pixel sizes. If you view the entire mosaic dataset (fully zoomed out), you likely are viewing the image with the largest MinPS and MaxPS values. As you zoom in, the resolution of the image increases and smaller pixel sizes are required. MaxPS NUMERIC No No Active Maximum pixel size Value = 20, 40, 80 Computed from the LowPS and HighPS values and depend on the overlapping raster datasets. These values control which raster will be used to create the dynamically mosaicked image at particular scales or resolutions of the display or image request. For example, if you create a mosaic dataset from 1-meter source rasters and build overviews, you will see a range of minimum and maximum pixel sizes. If you view the entire mosaic dataset (fully zoomed out), you likely are viewing the image with the largest MinPS and MaxPS values. As you zoom in, the resolution of the image increases and smaller pixel sizes are required. LowPS NUMERIC No No Active Low pixel size Value = 2 Extracted from the source rasters and used to define the range of pixel sizes that the raster dataset contains. For example, a raster dataset that contains a pyramid (or internal overview) will have a range of pixel sizes—the low value will represent the base pixel value, and the high value will represent the top overview that is being used. For raster datasets with no pyramids, the low and high pixel sizes may be the same value. HighPS NUMERIC No No Active High pixel size Value = 2, 4, 8 Extracted from the source rasters and used to define the range of pixel sizes that the raster dataset contains. For example, a raster dataset that contains a pyramid (or internal overview) will have a range of pixel sizes—the low value will represent the base pixel value, and the high value will represent the top overview that is being used. For raster datasets with no pyramids, the low and high pixel sizes may be the same value. Category INTEGER No No Active Used for quickly identifying the type of dataset and its status within the mosaic dataset: 0 = Unknown, 1 = Primary, 2 = ServiceOverview, 3 = DerivedRaster, 255 = Custom Value = 1 (Primary [base] data) Tag TEXT No No Active Identifies a dataset in a function template and indicates if the dataset is panchromatic, multispectral, or pan sharpened. Value = MS (multispectral) GroupName TEXT No No Active The name of the groups used to link together datasets belonging to a particular project. Value = <ProductOrderID> ProductOrderID = Order Item ID of product Example: “052270730010_01_P001” ProductOrderID = Order Number + ProdDesc orderNumber = 12-digit DigitalGlobe Order Item number, underscore, and 2-digit delivery increment. “nnnnnnnnnnnn_mm” Example: “052265559010_01” prodDesc = Unique product identifier Example: “P001” ProductName TEXT No No Active ImageDescriptor: The name of the product of the raster data provided by the data source. Combination of product name and product type. Value = ORstandard2A Standard (2A) Imagery products are radiometrically corrected, sensor corrected, and projected to a plane using the map projection and datum of the customer's choice (UTM 51S). All Standard Imagery products have uniform GSD (ground sample distance in meters) throughout the entire product. OrthoReady (2A) Imagery contains all the characteristics of the Standard (2A) product, however, Ortho Ready Standard Imagery has no topographic relief (DEM) applied with respect to the reference ellipsoid, making it suitable for orthorectification. Ortho Ready Standard Imagery is projected to a constant base elevation, which is calculated on the average terrain elevation per order polygon or can be supplied by the customer. CenterX NUMERIC No No Active X-coordinate of the center of the raster's minimum bounding rectangle (UTM) CenterY NUMERIC No No Active Y-coordinate of the center of the raster's minimum bounding rectangle (UTM) Zorder NUMERIC No No Active Controls the drawing order of rasters in a mosaic dataset. Range = 0 TypeID INTEGER No No Active ObjectID of the record in the amd_art table that contains details about the raster type object. Range = 1 ItemTS NUMERIC No No Active Time stamp of the analyzed/modified raster. Used to track which overviews need to be rebuilt when underlying rasters are changed. Used by the Build Overviewsgeoprocessing tool in ArcGIS. URIhash TEXT No No Active Uniquely identifies the sources of the raster. Used by the Synchronize Mosaic Dataset geoprocessing tool in ArcGIS. SensorName TEXT No No Active Satellite sensor (WorldView-2) AcquisitionDate DATETIME No No Active Imagery acquisition date (UTC) YYYY-MM-DDThh:mm:ss.ddddddZ SunAzimuth NUMERIC No No Active Azimuth angle of the sun measured from north clockwise (mean) Range: 0.0 to 360.0 Precision: One decimal point SunElevation NUMERIC No No Active Elevation angle of the sun from horizontal (mean) Range: ± 90.0 Precision: One decimal point SatAzimuth NUMERIC No No Active Azimuth angle of the satellite with respect to the center line (mean) Range: 0.0 to 360.0 Precision: One decimal point SatElevation NUMERIC No No Active Elevation angle of the satellite with respect to the center line (mean) Range: ± 90.0 Precision: One decimal point CloudCover NUMERIC No No Active Estimate of the max cloud-covered fraction of the product component. Range: 0.000 to 1.000, or -999.000 (-999.000 if not assessed) OffNadir NUMERIC No No Active The mean spacecraft elevation angle measured from nadir to the product center-line as seen from the spacecraft. Range: 0.0 to 90.0 Precision: One decimal place GeoReferenced TEXT No No Active Indicates if the image was georeferenced by NOAA to the Esri ArcGIS Basemap during the image pre-processing steps Value = Y or N Bathymetry TEXT No No Active Indicates if the image was used by NOAA to derive depths Value = Y or N Habitat TEXT No No Active Indicates if the image was used by NOAA to derive habitat classes Value = Y or N Region TEXT No No Active One of four regions of interest (ROI) defined for Timor-leste, and used to acquire the WorldView-2 satellilte images from DigitalGlobe. Values = North shore, South shore, Atauro Island, Oecusse Area_km2 NUMERIC No No Active Area in square kilometers of the image footprint. Data Steward 2025-11-12 Person Akridge, Michael W michael.akridge@noaa.gov 1845 Wasp Blvd. Honolulu HI 96818 USA (808)725-5483 Data Steward 2012 Person Acoba, Tomoko S tomoko.acoba@noaa.gov 1845 Wasp Blvd. Honolulu HI 96818 USA (808)725-5448 8:00 am - 4:00 pm HST email preferred Distributor 2017 Organization NOAA National Centers for Environmental Information NCEI ncei.info@noaa.gov https://ror.org/04r0wrp59 https://www.ncei.noaa.gov/contact NCEI Contact Information Information for contacts at NCEI. Online Resource Distributor 2012 2017 Person DesRochers, Annette M annette.desrochers@noaa.gov 1845 Wasp Blvd. Honolulu HI 96818 USA (808)725-5461 8 am - 5 pm email preferred Metadata Contact 2025-11-12 Person Akridge, Michael W michael.akridge@noaa.gov 1845 Wasp Blvd. Honolulu HI 96818 USA (808)725-5483 Metadata Contact 2012 Person DesRochers, Annette M annette.desrochers@noaa.gov 1845 Wasp Blvd. Honolulu HI 96818 USA (808)725-5461 8 am - 5 pm email preferred Originator 2012 Organization Pacific Islands Fisheries Science Center PIFSC pifsc.info@noaa.gov https://ror.org/02apffz65 1845 Wasp Blvd. Honolulu HI 96818 USA 808-725-5360 https://www.pifsc.noaa.gov Pacific Island Fisheries Science Center homepage Online Resource 8:00 a.m. - 4:30 p.m. Point of Contact 2025-11-12 Person Akridge, Michael W michael.akridge@noaa.gov 1845 Wasp Blvd. Honolulu HI 96818 USA (808)725-5483 Point of Contact 2012 Person DesRochers, Annette M annette.desrochers@noaa.gov 1845 Wasp Blvd. Honolulu HI 96818 USA (808)725-5461 8 am - 5 pm email preferred Ground Condition Timor-Leste 124 127.5 -8 -9.5 Timor-Leste Range 2010-01-26 2014-08-10 Time span of satellite images acquired from DigitalGlobe, Inc. Unclassified Not applicable Not applicable NOAA Coral Reef Ecosystem Program (CREP) Data Sharing Recommendations, version 9.0 updated August 12, 2015: CREP welcomes the opportunity to collaborate on research issues contributing to the scientific basis for better management of marine ecosystems. CREP has a very diverse set of field activities that generates large volumes of data using an array of data collection protocols. The following recommendations are for your consideration as you use this data: 1) Data analyses should take all field exigencies into account. The most effective way to do this would be active collaboration with CREP principal investigators. 2) In all presentations, product releases, or publications using data generated by CREP, proper acknowledgement of both CREP and the individuals responsible for data collection is expected. Citing the DOI (if available) is preferred, a non-DOI example is listed below. 3) If you collect or generate data for the same study areas, CREP requests that you share relevant information on complimentary data collections. 4) Those receiving data are strongly urged to inform the CREP Data Management Team of any errors and discrepancies that are discovered during the course of using these data. They are further urged to bring to the attention of the Team all problems and difficulties encountered in using these data. This information is necessary in order to improve the collections and to facilitate more efficient and economical data processing and retrieval. The users are asked to supply copies of any missing data that may be located, and to provide information as to significant subsets and special aggregations of data that are developed in using the material provided. Example citation: "This publication makes use of data products provided by the Coral Reef Ecosystem Program (CREP), Pacific Islands Fisheries Science Center (PIFSC), National Marine Fisheries Service (NMFS), National Oceanic and Atmospheric Administration (NOAA), with funding support from the United States Agency for International Development (USAID). The analysis and interpretations presented here are solely that of the current authors.” Data can be accessed online via the NOAA National Centers for Environmental Information (NCEI) Ocean Archive WorldView-2 imagery cannot be publicly redistributed per the license agreement with DigitalGlobe. Contact the NOAA Coral Reef Ecosystem Program for specific questions about the source imagery for TImor-leste at nmfs.pic.credinfo@noaa.gov. Please cite NOAA Coral Reef Ecosystem Program (CREP) when using the data. Example Coral Reef Ecosystem Program; Pacific Islands Fisheries Science Center (2017). WorldView-2 Satellite Image Inventory for Timor-Leste. NOAA's National Center for Environmental Information. Dataset. https://www.fisheries.noaa.gov/inport/item/46151 None None https://accession.nodc.noaa.gov/0169504 2017 Organization NOAA National Centers for Environmental Information https://ror.org/04r0wrp59 WV-2_ROI_Timor.shp The regions of interest (ROI) were used by NOAA to define the desired geographic areas in Timor-leste to purchase the WorldView-2 satellite imagery from DigitalGlobe. Images were acquired along the coasts of the four identified regions of interest (Atauro, North shore, Oecusse, and South shore).The ROI was used by DigitalGlobe to clip the data within each satellite image. shapefile Shapefile https://accession.nodc.noaa.gov/0169504 2017 Organization NOAA National Centers for Environmental Information https://ror.org/04r0wrp59 WV-2_Boundary_Timor.shp The boundary (extent) of the available WorldView-2 satellite images purchased by NOAA for each region in TImor-leste, including the north and south coastlines, the Island of Atauro, and the district of Oecusse. shapefile Shapefile https://accession.nodc.noaa.gov/0169504 2017 Organization NOAA National Centers for Environmental Information https://ror.org/04r0wrp59 WV-2_Image_Footprint_Timor.shp The footprint (extent) for each WorldView-2 satellite image purchased by NOAA for Timor-leste within the boundary/region of interest. shapefile Shapefile https://accession.nodc.noaa.gov/0169504 2017 Organization NOAA National Centers for Environmental Information https://ror.org/04r0wrp59 WV-2_Image_Inventory_Timor.csv The inventory includes attributes about the WorldView-2 satellite images purchased by NOAA for Timor-leste, and corresponds to the footprints shapefile. csv (comma-separated values) CSV - Comma Separated Values (Text) https://www.coris.noaa.gov/activities/projects/timor-leste/images/image_catalog_s.jpg Browse Graphic jpg The WorldView-2 satellite image inventory for Timor-Leste, showing the extents of each satellite image and the regions of interest. https://www.coris.noaa.gov/activities/projects/timor-leste/ Online Resource Timor-Leste project portal on the NOAA Coral Reef Information Service website where NOAA's final report for Timor-Leste and the datasets generated by NOAA CREP as part of the project can be downloaded. https://www.pifsc.noaa.gov/cred/coral_triangle_initiative.php Online Resource Information about the NOAA Coral Reef Ecosystem Program's activities in the Coral Triangle. All satellite images associated with each region of interest (ROI) in Timor-leste are stored in a mosaic dataset in an ESRI file geodatabase. Within each mosaic dataset is the boundary (extent) of the available images for each region (exported to a shapefile) and the footprint for each image within the boundary (exported to shapefile). Within GIS, the footprints can be used to quickly identify the image files that fall within a geographic area of interest. The inventory, extracted from the footprints, provides information about which satellite images are available and where, as well as information about each image. The source mosaic dataset geodatbase is not useful unless the user has direct access to the satellite images. Contact NOAA for more information if access to the imagery is required. The location information for some of the satellite images was inadequate; therefore, the images did not align properly with each other or with other data. The images were spatially adjusted (georeferenced) to align with ArcGIS basemaps—provided by ESRI with ArcGIS products (http://www.esri.com/data/basemaps). The georeferencing step was performed using the georeferencing tools in ArcGIS 10.X desktop software. The pixel values of the WorldView-2 satellite images provided by DigitalGlobe are digital numbers (0-255), which have not been calibrated into physically meaningful units (i.e., solar radiance). The digital numbers must therefore be converted to capture the radiance at the satellite sensor using a calibration formula (Updike and Comp 2010). The satellite sensor is routinely calibrated, and thus the coefficients provided by DigitalGlobe (in the metadata files) are unique to each image. The conversion was conducted in ENVI (Environment for Visualizing Images) image analysis software provided by Harris Geospatial Solutions (http://www.harrisgeospatial.com/ProductsandTechnology/Software/ENVI.aspx). WorldView-2 satellite imagery was acquired for nearshore waters along the coast of Timor-Leste from Jan 26 2010 to Aug 10, 2014. Complete coverage of the coastline with WorldView-2 satellite images was achieved. However, some images contain areas of high water column turbidity, clouds, whitewater, etc. that were masked out of the analyses due to a lack of reliable imagery of the seafloor for those areas. Multiple overlapping images of some portions of the shoreline enabled sections of different images to be extracted and used to patch holes in other images in some cases, in a process known as "cloud patching." This process enabled more complete coverage to be developed for the depths and/or habitats. Pre-processing of all WorldView-2 satellite images was performed using the same methods to georeference, convert the digital numbers, mask out areas, and remove sun glint. The satellite image inventory was inspected following completion of the final products, and prior to delivery of the final products to the in-country partners. Yes Unknown Yes No Unknown NCEI-CO Unknown NOAA IRC and NOAA Fisheries ITS resources and assets. The image catalog is stored as an ESRI file geodatabase (not available) and serves two purposes: 1) it is an inventory of all the satellite images purchased by NOAA for each region of interest (ROI) in Timor-Leste, and 2) it contains features associated with the images, including the ROI, the boundary extent of the available images within each ROI, and the footprints of each image (exported as shapefiles and publicly accessible). Within GIS, the footprints can be used to quickly identify the image files that fall within a geographic area of interest. Furthermore, the inventory (extracted from the footprints shapefile) provides metadata for the imagery, and also indicates if the images were georeferenced and used to derive depths or habitat classes. PIFSC. 2017. Interdisciplinary baseline ecosystem assessment surveys to inform ecosystem-based management planning in Timor-Leste: Final Report. NOAA Pacific Islands Fisheries Science Center, PIFSC Special Publication, SP-17-02, 234p. Organization Pacific Islands Fisheries Science Center, PIFSC 2017-06-21 https://doi.org/10.7289/V5/SP-PIFSC-17-002 The methods to process and use the WorldView-2 satellite imagery for Timor-leste are described in Appendix C and Chapter 5, and findings/results are summarized in Chapter 2. 50829 Entity 46159 Data Set Cross Reference 46160 Data Set Cross Reference 46161 Data Set Cross Reference 46162 Data Set Cross Reference 32998 Data Set Cross Reference 25307 Data Set Cross Reference 29128 Data Set Cross Reference 46150 Data Set Cross Reference 46163 Data Set Cross Reference 46164 Data Set Cross Reference gov.noaa.nmfs.inport:46151 Annette DesRochers 2017-06-01T12:10:12 SysAdmin InPortAdmin 2026-03-04T19:17:17 2018-01-12 Pacific Islands Fisheries Science Center PIFSC 1845 Wasp Blvd. Honolulu HI 96818 USA 808-725-5300 https://www.pifsc.noaa.gov 8:00 a.m. - 4:30 p.m. 1001 Public No No 2018-01-12 1 Year 2019-01-12