3D Elevation Program (3DEP) Sheri Schneider, USGS Geospatial Liaison February 18, 2014.
-
Upload
keyshawn-pernell -
Category
Documents
-
view
221 -
download
1
Transcript of 3D Elevation Program (3DEP) Sheri Schneider, USGS Geospatial Liaison February 18, 2014.
3D Elevation Program (3DEP)
Sheri Schneider, USGS
Geospatial Liaison
February 18, 2014
Courtesy of NRCS
3D Elevation Program (3DEP)
A national USGS initiative to improve the elevation data and to support other mission critical needs for lidar data in the conterminous US, Hawaii and territories and for ifsar data in Alaska
2 points per sq. meter. Complete one cycle of data collection in 8 years
Classified point cloud data and 1 meter DEMs
Partnership model funded primarily by Federal agencies and states.
Operational in January 2015 with full data coverage by 2022
Products
Criteria
Data Acquisition Contracts
Specifications
State Roles and Responsibilities
DRAFT
Comment Period Extended to Friday 2/12/2014
Draft 3DEP Standard ProductsProduct Name Source(s) Planned Product Lidar Full Point Cloud - Unclassified Lidar – QL1, QL2, QL3 Project areas by special request Lidar Full Point Cloud - Classified Lidar - QL1, QL2, QL3 Project tiles by download Ifsar Digital Surface Model Ifsar – QL5 Project tiles by download Orthorectified Ifsar Intensity Image Ifsar – QL5 Project tiles by download Source resolution DEM Lidar, Ifsar Project tiles by download 1 meter DEM Lidar, Ifsar Tiles (TBD) by download 5 meter DEM Ifsar Tiles (TBD) by download 1/9 arc-second DEM - legacy Lidar, Ifsar, Photogrammety 15 min block by download 1/3 arc-second DEM Lidar, Ifsar, Photogrammety 1x1 degree block by download 1 arc-second DEM Lidar, Ifsar, Photogrammety 1x1 degree block by download 2 arc-second DEM Lidar and Ifsar, Photogrammetry 1x1 degree block by download Elevation Point Query 1/3 arc-second, 1 arc-second in AK Application service Hillshade 1/3 arc-second, 1 arc-second in AK Viewing service
5 to 120 foot Contours 1/3 arc-second, 1 arc-second in AK 1 degree block by download and viewing service
Standard Oregon Products not included - highest hits, intensity image, ground only points. Bare Earth DEM is hydroflattened.
Draft Criteria
Highest net benefits identified in the NEEA requirements study
Federal, state or regional partner elevation data acquisition plan
No existing lidar
Existing lidar does not meet 3DEP requirements
Existing lidar older than 8 years old
Significant topographic change
Serious and significant hazards (earthquakes, landslides, etc.)
1500 – 5000 sq. mi in size, increasing emphasis on larger projects
Draft Data Acquisition Contracts
USGS will manage the process to accept partnership proposals
Partners will propose an acquisition approach that best meets their needs, either:
USGS Geospatial Products and Services Contract (GPSC) Seven prime contractors with multiple subcontractors Will re-compete in 2014
State’s own authorities and contracts to acquire data that meet the 3DEP specification.
Draft Deliverables/Specifications
Raw Point Cloud
Classified Point Cloud
Hydro-flattened Bare Earth DEMs, 1 meter grid cell
Breaklines – when used for hydro-flattening
Metadata
RMSEz from ≤ 9.25 centimeters
2 pts/sq. meter, optional buy up to 8 pts/sq. meter
Nominal pulse spacing (NPS) 0.7 meters
Draft State Roles and Responsibilities Coordinate and facilitate local and regional partnerships
Advocate and support the goal of achieving nationwide coverage.
Participate in partnership data acquisition projects Adopt national specifications and standards Make resulting data available to the national program May collect data to a higher quality specification
Develop a statewide program strategy and seek funding to participate in partnership activities
Estimated Cost Rough estimate - $32 million for Oregon statewide
$20 million to buy up to 8 pts/sq. mtr
Table F-1, NEEA Report
Estimated Cost based on acquisition by 1 Degree Cells, NEEA Report
1 Degree Cell size ranges from 3000 – 4000 sq. mi.
Estimated Cost/ 1 degree cell - $1 million – $1.3 million
Image Courtesy of DOGAMI