SARSense: Analyzing air- and space-borne C- and L-band SAR backscattering signals to changes in soil and plant parameters of crops
2021
The upcoming launch of the L-band Synthetic
Aperture Radar (SAR) satellite mission Radar
Observing System for Europe L-band SAR (ROSE-L)
will enable multi-frequency SAR observations when
combined with existing C-band satellite missions (e.g.,
Sentinel-1). Due to the different penetration depths of
the SAR signals, multi-frequency SAR offers great
potential for field-scale agricultural monitoring and the
estimation of soil and plant parameters. The SARSense
campaign, conducted between June and August 2019 at
the Selhausen agricultural test site near Julich,
Germany, has yielded a comprehensive dataset that
includes both air- and space-borne C- and L-band SAR
data, extensive in-situ field measurements of soil and
plant parameters as well as unmanned aerial systems
(UAS)-based multispectral and thermal infrared
measurements and cosmic neutron sensing
observations. The study provides both, an insight into
the strengths and limitations of the acquired dataset as
well as an analysis of the different behaviour of C- and
L-band backscattering on changing soil moisture and
plant parameters for taproot crops and cereals.
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