Lidar Derived Canopy Height Model, 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 Canopy Height Model, Minnesota
Abstract:
The Canopy Height Model (CHM) is a raster dataset (at 1 m spatial resolution) representing the elevation of the highest return within each grid cell to the grid cell center. The CHM is derived from the FUSION CanopyModel which provides for smoothing of the generated surface using a median or mean filter. The algorithm utilizes a technique which preserves the local maxima in the surface while smoothing to force the surface to adhere to the tops of trees. The input data for the CHM model utilizes Minnesota's 3DEP USGS Lidar.
Purpose:
The Lidar derived products are used by MN DNR biometrician and partner organizations in various different applications to enhance understanding of forest characteristics in Minnesota.
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 2018, and up to 2025.
Progress:
Complete
Maintenance and Update Frequency:
None Planned
Spatial Extent of Data:
Minnesota
Bounding Coordinates:
-97.23
-89.53
49.37
43.5
Place Keywords:
Minnesota
Theme Keywords:
lidar, remote sensing, forestry, 3DEP USGS, canopy height
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.
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 LAB 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:
Section 5: Attributes
Overview:
Value represents Canopy Height in feet.
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:
01/15/2025
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 raster datasets, send a message to the Distribution Contact. Online Linkage:None available
Section 7: Metadata Reference
Metadata Date:
01/15/2025
Metadata Standard Name:
Minnesota Geographic Metadata Guidelines
Metadata Standard Version:
1.2