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Integrated Modeling of Active and Passive Microwaves and Passive Optical Signatures

Baris, Ismail and Jagdhuber, Thomas and Jonard, Francois and Judge, Jasmeet and Anglberger, Harald (2019) Integrated Modeling of Active and Passive Microwaves and Passive Optical Signatures. In: International Geoscience and Remote Sensing Symposium (IGARSS). IGARSS 2019, 2019-07-28 - 2019-08-02, Yokohama, Japan.

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Abstract

A method of physical integration of scatteringmodels is presented here to estimate the backscattering coefficient(BSC) for L-band, brightness temperature (TB) for L- and C-Bandand the reflectance for visible (VIS) and near-infrared (NIR)region for dynamic vegetated terrain. The SPIN (SpectrumInvariant Interaction) model is obtained by solving vectorradiative transfer (VRT) equations kernel-based and therefore fordifferent wave interaction mechanisms. To demonstrate itsapplication for the microwave region, the measurements duringthe growing cycle of corn from the Eleventh Microwave, Water,and Energy Balance Experiment (MicroWEX-11) have been used.For the optical part the results are compared with the PROSAILmodel. By applying the SPIN model in the radar regime, it couldbe shown that the modeled backscattering coefficients (BSC)correlate strongly with the vertical polarization measurements(Pearson 0.83, R20.69) and are less correlated with the horizontalmeasurements (Pearson 0.45, R20.20). In addition, the modeledbrightness temperatures (L- and C-band) in both polarizationstates are also highly correlated with the MicroWEX-11measurements (L-band: Pearson 0.755, R2 0.57; C-band: Pearson0.73, R2 0.53). Finally, the optical results are consistent with theresults of other optical models (Pearson 0.99, R2 0.98).

Item URL in elib:https://elib.dlr.de/125967/
Document Type:Conference or Workshop Item (Speech)
Title:Integrated Modeling of Active and Passive Microwaves and Passive Optical Signatures
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Baris, IsmailIsmail.Baris (at) dlr.dehttps://orcid.org/0000-0003-2626-6811
Jagdhuber, ThomasThomas.Jagdhuber (at) dlr.dehttps://orcid.org/0000-0002-1760-2425
Jonard, FrancoisFZ JülichUNSPECIFIED
Judge, JasmeetUniversity of Florida USAUNSPECIFIED
Anglberger, HaraldDLRUNSPECIFIED
Date:2019
Journal or Publication Title:International Geoscience and Remote Sensing Symposium (IGARSS)
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:No
Status:Published
Keywords:radiative transfer, microwave, radar, optics
Event Title:IGARSS 2019
Event Location:Yokohama, Japan
Event Type:international Conference
Event Dates:2019-07-28 - 2019-08-02
Organizer:IEEE Geoscience and Remote Sensing Society and the IGARSS 2019 Organizing Committee
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 Sicherheitsrelevante Erdbeobachtung
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute > Reconnaissance and Security
Deposited By: Baris, Ismail
Deposited On:15 Jan 2019 17:44
Last Modified:21 Nov 2019 09:30

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