Lidar derived Cover 3m 1st mask, Minnesota
Go to Section:- Overview
- Data Quality
- Data Organization
- Coordinate System
- Attributes
- Distribution - Get Data
- Metadata Reference
Section 1: Overview
Originator:Minnesota Department of Natural Resources (DNR)
Title:
Lidar derived Cover 3m 1st mask, Minnesota
Abstract:
Lidar derived Cover 3m 1st mask is a raster dataset (at 20 meter spatial resolution) that omits areas where less than 10% of the first returns within that area pixel are above 3m from the ground. Masking removes areas that are non-forest, as well as areas of regeneration, typically in the seedling and sapling stages of development.
Purpose:
The non CT Lidar derived Forest Inventory Models (i.e. AGB, BAWHT, Grs Vol, Max Ht, Net Vol, QMD, SBA are not cover type dependent) are masked based on two raster datasets, 1) Lidar derived Cover 3m 1st mask; and 2) non CT v2/v3 Forest Inventory Models mask, a raster dataset that omits areas in the non-cover type dependent forest inventory models that have negative values or NoData. The negative values in a forest inventory model correspond to areas where lidar returns are absent, or are in a condition that was not sampled during field collection. The Forest Inventory Model raster outputs are derived directly from linear regression models using lidar derived FUSION grid metric inputs extracted at 20 m resolution, and the final outputs are masked using these datasets. The CT Forest Inventory Models (i.e., age and site index are cover type dependent) are masked based on one parameter, 1) Lidar derived Cover 3m 1st mask.
Time Period of Content Date:
Currentness Reference:
The 3DEP USGS Lidar data used to produce this data was acquired in Lidar Acquisition Blocks at various time periods in the state, starting in 2019, and up to 2025.
Progress:
In work
Maintenance and Update Frequency:
None Planned
Spatial Extent of Data:
Statewide
Bounding Coordinates:
-97.23
-89.53
49.37
43.5
Place Keywords:
Minnesota
Theme Keywords:
lidar, remote sensing, forestry, 3DEP USGS
Theme Keyword Thesaurus:
Access Constraints:
None. Please see 'Distribution Info' for details.
Use Constraints:
None. Users are advised to read the dataset's metadata thoroughly and to have background knowledge in forestry to understand appropriate use and data limitations.
Contact Person Information:
Dennis Kepler,
Supervisor Resource Assessment Unit
Minnesota DNR - Forestry
Minnesota DNR - Forestry, Resource Assessment
483 Peterson Rd
Grand Rapids,
MN
55744
Phone: 218-322-2512
Email: dennis.kepler@state.mn.us
Browse Graphic:
None available
Associated Data Sets:
Minnesota's 3DEP USGS Lidar, LAB extent (polygon feature class)
Section 2: Data Quality
Attribute Accuracy:
Logical Consistency:
Completeness:
The data included is for the Lidar Acquision Blocks where the data is available.
Horizontal Positional Accuracy:
N/A
Vertical Positional Accuracy:
N/A
Section 3: Spatial Data Organization (not used in this metadata)
Section 4: Coordinate System
Horizontal Coordinate Scheme:
Universal Transverse Mercator
UTM Zone Number:
15
Horizontal Datum:
NAD83(2011)
Horizontal Units:
meters
Vertical Datum:
Vertical Units:
Depth Datum:
Depth Units:
Cell Width:
20m
Cell Height:
20m
Section 5: Attributes
Overview:
Value represents areas where the cov3mIst grid metric values are greater than or equal to 10%.
Detailed Citation:
Support for this project is provided by the State of Minnesota and the Minnesota Environment and Natural Resources Trust Fund (ENTRF) as recommended by the Legislative-Citizen Commission on Minnesota Resources (LCCMR).
Resource Assessment | MN DNR
Table Detail:
Section 6: Distribution
Publisher:
Minnesota Department of Natural Resources (DNR)
Publication Date:
01/24/2025
Contact Person Information:
Jennifer Corcoran,
Remote Sensing Program Consultant
Minnesota DNR - Forestry
Minnesota DNR - Forestry, Resource Assessment
500 Lafayette Rd
Saint Paul,
MN
55155
Phone: 651-259-5898
Email: jennifer.corcoran@state.mn.us
Distributor's Data Set Identifier:
Ordering Instructions:
Lidar data may be accessed directly from the 3DEP USGS program via the National Map https://apps.nationalmap.gov/viewer/.
For access to the Lidar derived forest inventory raster datasets, send a message to the Distribution Contact. Online Linkage:
None available
Section 7: Metadata Reference
Metadata Date:
02/15/2024
Contact Person Information:
Molly Shoberg,
GIS and Remote Sensing Data Analyst
Minnesota DNR - Forestry
Minnesota DNR - Forestry, Resource Assessment
483 Peterson Rd
Grand Rapids,
MN
55744
Phone: 651-259-5464
Email: molly.shoberg@state.mn.us
Metadata Standard Name:
Minnesota Geographic Metadata Guidelines
Metadata Standard Version:
1.2
Metadata Standard Online Linkage: