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Image1_Observing Sucrose Accumulation With Sentinel-1 Backscatter.JPEG

Domain:

agriculturegeospatial

Record type:

datasetpaper
Creator:
NadSusBenAri
Host:avatar

In this study the impact of sucrose accumulation in Sentinel-1 backscatter observations is presented and compared to Planet optical observations. Sugarcane yield data from a sugarcane plantation in Xinavane, Mozambique are used for this study. The database contains sugarcane yield of 387 fields over two seasons (2018-2019 and 2019-2020). The relation between sugarcane yield and Sentinel-1 VV and VH backscatter observation is analyzed by using the Normalized Difference Vegetation Index (NDVI) data as derived from Planet Scope optical imagery as a benchmark. The different satellite observations were compared over time to sugarcane yield to understand how the relation between the observations and yield evolves during the growing season. A negative correlation between yield and Cross Ratio (CR) from Sentinel-1 backscatter was found while a positive correlation between yield and Planet NDVI was observed. An additional modeling study on the dielectric properties of the crop revealed how the CR could be affected by sucrose accumulation during the growing season and supported the opposite correlations. The results shows CR contains information on sucrose content in the sugarcane plant. This sets a basis for further development of sucrose monitoring and prediction using a combination of radar and optical imagery.

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figshare.com

Tags

Physical Geography and Environmental Geoscience not elsewhere classifiedEarth Sciences not elsewhere classifiedPhotogrammetry and Remote Sensingcross ratiosucrose accumulationsugarcanesentinel-1yield predictionplanet NDVIdielectric properties

Licenses

CC BY 4.0

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