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Product Specification
Product Name:Plot Canopy Cover with Uniformity and Change
Product SKU:71204-01
Revision Date:2023-11-18
Product Overview
Description
Plot Canopy Cover with Uniformity and Change characterizes the extent of and change over time of vegetation cover, and is related to measurements of ground cover, biomass, and leaf area index. This product utilizes a precision-aligned orthomosaic derived from high-resolution RGB imagery and measurement of canopy cover from a previous image capture date.Recommended Use Cases
- Seed Vigor
- Plant Uniformity
- Stand Quality
- Plant Growth
- Biomass
- Canopy Development
- Leaf Area Index
- Radiation Interception
- Canopy Senescence
- Crop Health
- Crop Stress
- Nutrient Status
- Disease
- Water Stress
- Plot Quality
- Plot Deactivation
- Area of Interest Variability
- Temporal Trend
Supported Crops
- Any Crop
Deliverables Summary
- Mosaic RGB Precision Aligned
- Plot Canopy Cover and Uniformity and Change
Requirements
General Requirements
- Requires Plot Project Setup (71200-00)
- Requires Plot Canopy Cover and Uniformity (71204-00) or Plot Canopy Cover with Uniformity and Change (71204-01) from a previous date
- Imagery collected following all "Data Capture Requirements"
- Imagery uploaded to the FieldAgent Field created by Plot Project Setup (71200-00)
- Contract Defined - Mosaic Based submitted for "Plot Canopy Cover with Uniformity and Change (71204-01)" for uploaded Survey
Data Capture Requirements
Imagery Type
- RGB
Ground Sample Distance
- Less than 0.5cm (Early-Season Canopy Cover and Crop Emergence)
- Less than 1.8cm (Mid- to Late- Season Canopy Cover)
Timing by Crop
| Crop | Timing/Growth Stage | Plant Size |
|---|---|---|
| Any Crop | Early Season; Mid- to Late- Season | Any |
Flight Specifications
Early-Season Canopy Cover and Crop Emergence
| Sensor | Altitude | Speed | Overlap | Flight Direction | Buffer | Heading | Gimbal Pitch | Terrain Informed |
|---|---|---|---|---|---|---|---|---|
| Double 4K (Ag+) | 50ft (16m) | 6mph (3ms) | 75% | Any | 40ft (12m) | Forward | -90° (Nadir) | On |
| Double 4K (Multispectral) | 50ft (16m) | 6mph (3ms) | 75% | Any | 40ft (12m) | Forward | -90° (Nadir) | On |
| 6X | 70ft (21m) | 6mph (3ms) | 75% | Any | 40ft (12m) | Forward | -90° (Nadir) | On |
| 6X Thermal | 70ft (21m) | 6mph (3ms) | 75% | Any | 40ft (12m) | Forward | -90° (Nadir) | On |
| Phantom 4 Pro | 50ft (16m) | 4mph (2ms) | 75% | Any | 40ft (12m) | Forward | -90° (Nadir) | On |
| Phantom 4 RTK | 50ft (16m) | 4mph (2ms) | 75% | Any | 40ft (12m) | Forward | -90° (Nadir) | On |
| Zenmuse X4S | 50ft (16m) | 4mph (2ms) | 75% | Any | 40ft (12m) | Forward | -90° (Nadir) | On |
| Zenmuse X5S | 50ft (16m) | 4mph (2ms) | 75% | Any | 40ft (12m) | Forward | -90° (Nadir) | On |
| Mavic 2 Pro | 50ft (16m) | 3mph (1.5ms) | 75% | Any | 40ft (12m) | Forward | -90° (Nadir) | On |
| Mavic 3 Enterprise | 50ft (16m) | 6mph (3ms) | 75% | Any | 40ft (12m) | Forward | -90° (Nadir) | On |
| 65R | 150ft (46m) | 15mph (7ms) | 75% | Any | 40ft (12m) | Forward | -90° (Nadir) | On |
| Zenmuse P1 (35mm) | 100ft (30m) | 10mph (5ms) | 75% | Any | 40ft (12m) | Forward | -90° (Nadir) | On |
Mid- to Late- Season Canopy Cover
| Sensor | Altitude | Speed | Overlap | Flight Direction | Buffer | Heading | Gimbal Pitch | Terrain Informed |
|---|---|---|---|---|---|---|---|---|
| Double 4K (Ag+) | 200ft (60m) | 15mph (7ms) | 75% | Any | 40ft (12m) | Forward | -90° (Nadir) | Off |
| Double 4K (Multispectral) | 200ft (60m) | 15mph (7ms) | 75% | Any | 40ft (12m) | Forward | -90° (Nadir) | Off |
| 6X | 200ft (60m) | 15mph (7ms) | 75% | Any | 40ft (12m) | Forward | -90° (Nadir) | Off |
| 6X Thermal | 200ft (60m) | 15mph (7ms) | 75% | Any | 40ft (12m) | Forward | -90° (Nadir) | Off |
| Mavic 3 Enterprise | 200ft (60m) | 15mph (7ms) | 75% | Any | 40ft (12m) | Forward | -90° (Nadir) | Off |
| Phantom 4 Pro | 200ft (60m) | 15mph (7ms) | 75% | Any | 40ft (12m) | Forward | -90° (Nadir) | Off |
| Phantom 4 RTK | 200ft (60m) | 15mph (7ms) | 75% | Any | 40ft (12m) | Forward | -90° (Nadir) | Off |
| Zenmuse X4S | 200ft (60m) | 15mph (7ms) | 75% | Any | 40ft (12m) | Forward | -90° (Nadir) | Off |
| Zenmuse X5S | 200ft (60m) | 15mph (7ms) | 75% | Any | 40ft (12m) | Forward | -90° (Nadir) | Off |
| Mavic 2 Pro | 200ft (60m) | 14mph (6ms) | 75% | Any | 40ft (12m) | Forward | -90° (Nadir) | Off |
| Zenmuse P1 (35mm) | 400ft (120m) | 22mph (10ms) | 75% | Any | 40ft (12m) | Forward | -90° (Nadir) | Off |
| 65R | 400ft (120m) | 22mph (10ms) | 75% | Any | 40ft (12m) | Forward | -90° (Nadir) | Off |
Environmental Conditions
Lighting
Imagery should be captured between the time of 2 hours after sunrise and 2 hours before sunset. Consistent lighting conditions required for best results, including avoidance of hard shadows cast over the field which cause bright spots and dark spots in the dataset.Wind
Wind conditions should be within the specified limits of the aircraft or system being used to carry the imaging sensor.Precipitation
There should be no active precipitation during imagery capture.Deliverables
Analytics
| Analytics | Imagery | RGB |
|---|---|---|
| Mosaic RGB Precision Aligned (82001-01) | ||
| Plot Canopy Cover and Uniformity and Change (83002-01) |
Mosaic RGB Precision Aligned (82001-01)
Description
A Visual Red, Green, and Blue (RGB) multi-band mosaic provided at native resolution and georeferenced.Deliverable List
| Deliverable | Format | Description |
|---|---|---|
| Mosaic: RGB (Preliminary)* | GeoTiff | Visual RGB multi-band, native resolution, and non-georeferenced raster |
| Mosaic: RGB | GeoTiff | Visual RGB multi-band, native resolution, and georeferenced raster |
Plot Canopy Cover and Uniformity and Change (83002-01)
Description
Summarizes the green pixels (i.e., vegetative cover) within a plot. Uniformity describes variation at the plot-level using statistical summary of sub-plot-level data. Change describes the difference between measurment from a previous date.Deliverable List
| Deliverable | Format | Description |
|---|---|---|
| Plot Canopy Cover and Uniformity and Change | Shapefile, GeoJSON, CSV | Plot-level summary statistics |
| Subplot: Canopy Cover (%) | GeoTiff | Canopy Cover (%) subplot variability |
Plot Canopy Cover and Uniformity and Change
| Attribute | Description | Units Metric | Units Imperial |
|---|---|---|---|
| Canopy Cover (%) <DD-Mon> | Percent of the plot covered by vegetation | ||
| Canopy Cover Area (m^2) <DD-Mon> | Area of the plot covered by vegetation | ||
| Canopy Cover - Median Subplot (%) <DD-Mon> | Median of the subplot canopy cover % | ||
| Canopy Cover - Subplot Std. Dev. (%) <DD-Mon> | Standard Deviation of the subplot canopy cover % | ||
| Canopy Cover - Min Subplot (%) <DD-Mon> | Min of the subplot canopy cover % | ||
| Canopy Cover - Max Subplot (%) <DD-Mon> | Max of the subplot canopy cover % | ||
| Canopy Cover - Subplot Range (%) <DD-Mon> | Range of the subplot canopy cover % | ||
| Canopy Cover Change (%) <DD-Mon> - <DD-Mon> | Change in percent of plot covered by vegetation | ||
| Canopy Cover Change (m^2) <DD-Mon> - <DD-Mon> | Change in area of plot covered by vegetation | ||
| Canopy Cover Change Rate (%/day) <DD-Mon> - <DD-Mon> | Rate of change of percent of plot covered by vegetation | ||
| Canopy Cover Change Rate (m^2/day) <DD-Mon> - <DD-Mon> | Rate of change of area of plot covered by vegetation | ||
| Days Since Last Obserevation (days) <DD-Mon> - <DD-Mon> | Duration between current and previous observation |