Remote Sensing
Introduction
Welcome to the comprehensive guide on INVISION Remote Sensing. INVISION leverages advanced remote sensing capabilities through a partnership with Planet Labs. This document details the remote sensing variables accessible via INVISION, emphasizing their significance in agriculture, specifically for trials, demonstrations, and commercial applications.
PlanetScope
PlanetScope imagery provides high-resolution, frequent monitoring capabilities that are essential for precision agriculture. Below are the key variables:
Imagery Type | Description | Bands Used | Spatial Resolution | Temporal Resolution | Key Applications |
---|---|---|---|---|---|
NDVI (Normalized Difference Vegetation Index) | Quantifies vegetation health using red and NIR bands | Red, NIR | 3 meters | Daily | Vegetation health, crop monitoring, yield prediction |
SAVI (Soil Adjusted Vegetation Index) | Adjusted vegetation index minimizing soil brightness impact | Red, NIR (+ correction factor) | 3 meters | Daily | Accurate vegetation monitoring in sparse areas, arid region analysis |
EVI (Enhanced Vegetation Index) | Enhanced vegetation index reducing atmospheric and soil influences | Red, NIR, Blue | 3 meters | Daily | High biomass sensitivity, reliable under varying atmospheric conditions, detailed vegetation analysis |
RGB (Red, Green, Blue) | Captures visible light, similar to human vision | Red, Green, Blue | 3 meters | Daily | Visual assessment, communication of field conditions, baseline monitoring |
Planetary Variables
Planetary Variables offer specialized insights critical for detailed agricultural analysis and decision-making:
Imagery Type | Description | Bands Used | Spatial Resolution | Temporal Resolution | Key Applications |
---|---|---|---|---|---|
NDRE (Normalized Difference Red Edge) | Measures chlorophyll content using red edge and NIR bands | Red Edge, NIR | 3 meters | Daily | Chlorophyll monitoring, early stress detection, precision agriculture |
Biomass | Estimates total mass of living plants | Multi-spectral (varies) | 3 meters | Daily | Productivity assessment, nutrient management, sustainable practices |
1.Detailed NDRE (Normalized Difference Red Edge)
Description: The Normalized Difference Red Edge (NDRE) index is a spectral index sensitive to changes in the chlorophyll contentExplanation of leaves.Each ItVariable
uses the red edge and near-infrared bands of the electromagnetic spectrum.
Importance in Agriculture:
Chlorophyll Monitoring: NDRE is particularly effective for monitoring chlorophyll content, which correlates with plant health and nitrogen levels.Early Detection: It helps in early detection of stress in crops, allowing for timely intervention.Precision Agriculture: Assists in making informed decisions about fertilization and other agricultural inputs.
2. NDVI (Normalized Difference Vegetation Index)
- Description:
The Normalized Difference Vegetation Index (NDVI)NDVI is a widely used index for quantifying vegetationhealth.healthItbyutilizesmeasuring thereddifferenceandbetween near-infraredbands.(which
reflects)ImportancevegetationinstronglyAgriculture:- and red light (which vegetation absorbs).
Vegetation HealthImportance:NDVIIt providesaessentialclearinformationindicationonof vegetationplant vigor anddensity.health, useful for monitoring crop growth, assessing biomass production, and predicting yields.CropApplicationsMonitoringin INVISION:HelpsUsed extensively inassessingagricultural trials to monitor cropgrowth stageshealth andbiomassdevelopment,production.helping YieldtoPrediction:optimizeUsefulresourceforallocationpredictingandcropimproveyields based on vegetative growth patterns.decision-making.
3. SAVI (Soil Adjusted Vegetation Index)
- Description:
TheSAVISoiladjustsAdjusted Vegetation Index (SAVI) is similar tothe NDVIbut includes a correction factorto minimizethe influence ofsoil brightness influences, which is particularly useful in areas with sparse vegetation.Importance in Agriculture:Soil Influence Reduction: Reduces soil brightness impact, providing more accurate vegetation monitoring in sparse vegetation areas.Improved AccuracyImportance: Enhances the accuracy of vegetationindicesmonitoring by reducing the impact of soil reflectance, crucial in arid and semi-arid regions.- Applications in INVISION: Valuable in field trials and demo plots located in areas with less dense vegetation, ensuring accurate vegetation analysis.
4.EVI (Enhanced Vegetation Index)
- Description:
The Enhanced Vegetation Index (EVI)EVI improves upon NDVI by reducing atmosphericinfluencesand soil backgroundsignals,influences,enhancingproviding better sensitivitytoin high biomass regions.Importance in Agriculture:High Biomass Sensitivity: Better captures variations in dense vegetation areas.Atmospheric CorrectionImportance:ProvidesMoremoreaccuratelyreliablecapturesdatavegetation details undervaryinghigh biomass conditions and varied atmospheric conditions.DetailedApplicationsAnalysisin INVISION:UsefulSuitable for detailed vegetation studies andmonitoring.high-yield crops in commercial trials, offering precise vegetation health metrics.
5.RGB (Red, Green, Blue)
- Description: RGB imagery captures visible
light in the red, green, and blue bands,light, providing imagesthatsimilarresembleto what the human eye sees.Importance in Agriculture: Visual AssessmentImportance: Allows for straightforward visual inspection of cropconditionsconditions,andmaking it easy to communicate fieldstatus.Communication: Facilitates easy communication of field conditionsstatus to stakeholders.BaselineApplicationsMonitoringin INVISION:ServesUsedas afor baselineformonitoringcomparingandothervisualremoteassessmentssensingindata.all types of agricultural trials, facilitating easy interpretation and sharing of field conditions.
6.NDRE (Normalized Difference Red Edge)
- Description: NDRE uses the red edge and near-infrared bands to measure chlorophyll content, which is a strong indicator of plant health.
- Importance: Particularly effective for early detection of crop stress and chlorophyll levels, allowing for timely intervention.
- Applications in INVISION: Critical in precision agriculture and high-value crops, used in both demo and commercial trials for early stress detection and management.
Biomass
- Description: Biomass estimation from satellite imagery measures the total mass of living plants in a given
area,area. - Importance: Provides insights into crop productivity and
health.health,essential for yield prediction and management.
ImportanceApplications inAgricultureINVISION: Key for assessing productivity in large-scale commercial trials and ensuring sustainable nutrient management practices.
providingDifferences in Imagery Types
PlanetScope and Planetary Variables offer distinct advantages for agricultural monitoring:
Productivity AssessmentPlanetScope:IndicatesProvidesoverallhigh-resolution, daily imagery using various spectral indices (NDVI, SAVI, EVI, RGB) tailored for general vegetation monitoring and visual assessments. Ideal for continuous monitoring of cropproductivityhealth andpotentialdevelopmentyield.in agricultural trials.NutrientPlanetary Variables: Focuses on specific indices like NDRE and Biomass, offering targeted insights into chlorophyll content and overall plant mass. These are critical for precision agriculture applications, high-value crop management, and sustainable practices.
Importance for Agricultural Trials
- Demo Trials: Allows for detailed monitoring and demonstration of crop performance under various treatments, enhancing the credibility and attractiveness of new agricultural products.
- Commercial Trials: Provides comprehensive data to support large-scale agricultural operations, optimizing resource use, and maximizing yields.
- Agricultural Management:
HelpsEnhancesindecision-makingmanagingwithnutrientprecise,applicationstimelybaseddata onbiomasscropdata.health, Sustainablestress,Practices:andSupportsproductivity, supporting sustainableagriculture practices by monitoring crop growthandhealth.profitable farming practices.
KeyConclusion
DifferencesINVISION's integration with Planet Labs' remote sensing capabilities empowers agricultural professionals with advanced tools for monitoring and
Importancemanaging- their
Bandsfields.Used:ByDifferentutilizingindicesa combination of PlanetScope andimageryPlanetarytypesVariables,useusersvaryingcancombinationsgain comprehensive insights into their crops, ensuring better outcomes in agricultural trials, demos, and commercial operations. Embrace the future ofspectralagriculturebands,withwhich influence their sensitivity to specific plant characteristicsINVISION andenvironmentalunlockconditions.the Spatial Resolution: All types provided by PlanetScope offer high spatial resolutionpotential of3yourmeters, enabling detailed field analysis.Temporal Resolution: The daily revisit rate ensures that changes and trends can be detected promptly, which is critical for time-sensitive applications like agriculture.Applications: Each imagery type has unique applications in agriculture, from monitoring chlorophyll content (NDRE) to providing visual assessments (RGB) and estimating biomass (Biomass).
Imagery TypeDescriptionBands UsedSpatial ResolutionTemporal ResolutionKey ApplicationsNDfields.REMeasures chlorophyll content using red edge and NIR bandsRed Edge, NIR3 metersDailyChlorophyll monitoring, early stress detection, precision agricultureNDVIQuantifies vegetation health using red and NIR bandsRed, NIR3 metersDailyVegetation health, crop monitoring, yield predictionSAVIAdjusted vegetation index minimizing soil brightness impactRed, NIR (+ correction factor)3 metersDailyAccurate vegetation monitoring in sparse areas, arid region analysisEVIEnhanced vegetation index reducing atmospheric and soil influencesRed, NIR, Blue3 metersDailyHigh biomass sensitivity, reliable under varying atmospheric conditions, detailed vegetation analysisRGBCaptures visible light, similar to human visionRed, Green, Blue3 metersDailyVisual assessment, communication of field conditions, baseline monitoringBiomassEstimates total mass of living plantsMulti-spectral (varies)3 metersDailyProductivity assessment, nutrient management, sustainable practicesSources:
- PlanetScope data specifications and product details (Sentinel Hub) (Planet Developer Center) (Planet) (cloudeo AG).
- Planetary Variables information from Planet Labs documentation (Planet Developer Center).