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Assessment of leaf wetness variation effect on differential interferometric observables

Brancato, V. and Hajnsek, Irena (2016) Assessment of leaf wetness variation effect on differential interferometric observables. European Conference on Synthetic Aperture Radar (EUSAR), 2016-06-06 - 2016-06-09, Hamburg, Germany.

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Abstract

In this paper, the effect of leaf wetness variation in agricultural vegetation canopies has been experimentally investigate in a controlled electromagnetic environment. A preliminary study conducted over a sugar beet meadow ha highlighted that different leaf wetness status between two acquisitions can introduce changes in differential interferometri observables not fully explicable by the current existing temporal decorrelation models. To quantitatively asses this effect, the electromagnetic return from two vegetation samples is acquired at different frequencies, polarisations and incidence angles in a controlled environment, i.e. an anechoic chamber, isolating leaf wetness from other influencin effects, like wind and soil moisture. Throughout the experiment the concentration of water on plant leaves will b progressively changed and measured with the aid of a spectroradiometer sensor. © VDE VERLAG GMBH · Berlin · Offenbach.

Item URL in elib:https://elib.dlr.de/110706/
Document Type:Conference or Workshop Item (Speech)
Title:Assessment of leaf wetness variation effect on differential interferometric observables
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Brancato, V.ethUNSPECIFIED
Hajnsek, IrenaUNSPECIFIEDUNSPECIFIED
Date:2016
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:Plants (botany); Radar; Soil moisture; Sugar beets; Synthetic aperture radar Agricultural vegetation; Controlled environment; Different frequency; Electromagnetic environments; Incidence angles; Plant leaves; Spectro-radiometers; Temporal decorrelation
Event Title:European Conference on Synthetic Aperture Radar (EUSAR)
Event Location:Hamburg, Germany
Event Type:international Conference
Event Dates:2016-06-06 - 2016-06-09
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Erdbeobachtung
DLR - Research theme (Project):R - Vorhaben Flugzeug-SAR
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute > SAR Technology
Deposited By: Bauer, Robert
Deposited On:13 Jan 2017 14:42
Last Modified:13 Jan 2017 14:42

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