Roger H. Lang
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View article: A Discrete Interferometric Model for a Layer of a Random Medium: Effects on InSAR Coherence, Power, and Phase
A Discrete Interferometric Model for a Layer of a Random Medium: Effects on InSAR Coherence, Power, and Phase Open
The remote sensing community increasingly demands precise ecosystem monitoring, environmental change detection, and natural resource management, particularly in forestry. Key metrics such as biomass and total area index require accurate es…
View article: Modeling the Dielectric Constant of Seawater from 0.4 GHz to 2 GHz: A feasbility study for the CryoRad mission
Modeling the Dielectric Constant of Seawater from 0.4 GHz to 2 GHz: A feasbility study for the CryoRad mission Open
CryoRad, a candidate mission under ESA’s Earth Explorer 12 program, is designed to carry an advanced wideband, low-frequency microwave radiometer operating from P- to L-band (0.4 to 2 GHz). One of the primary objectives of CryoRad is…
View article: A Discrete Interferometric Model for A Layer of Random Medium
A Discrete Interferometric Model for A Layer of Random Medium Open
The remote sensing community has been calling for more precise monitoring of ecosystems, environmental changes, and natural resource management, including forest management. It is crucial to monitor metrics like the overall biomass and the…
View article: Microwave Emission Model for Layered Vegetation (MEMLV): An Exemplary Study for Coniferous Forests From P- to Ka-Band
Microwave Emission Model for Layered Vegetation (MEMLV): An Exemplary Study for Coniferous Forests From P- to Ka-Band Open
International audience
View article: The Dielectric Constant of Sea Water and Extension to High Salinity
The Dielectric Constant of Sea Water and Extension to High Salinity Open
The range of salinity and temperature measurements used to develop models for the dielectric constant of sea water have in the past been limited to values appropriate for the open ocean. But there are important water bodies, such as the Gr…
View article: New Seawater Dielectric Constant Parametrization and Application to SMOS Retrieved Salinity
New Seawater Dielectric Constant Parametrization and Application to SMOS Retrieved Salinity Open
The accuracy of the Sea Surface Salinity (SSS) retrieved from L-Band radiometer measurements is strongly dependent on the reliability of the dielectric constant model. Two new parametrizations were recently developed based on one hand on t…
View article: The use of photogrammetry and film in fostering understanding of early medieval history
The use of photogrammetry and film in fostering understanding of early medieval history Open
The recent arrival of a growing body of freely available photogrammetric 3D models of
\nearly medieval stone sculptures gives the opportunity for educators to use them as virtual
\nprimary sources, either directly as navigable objects or t…
View article: Physics-Based Retrieval of Surface Roughness Parameters for Bare Soils from Combined Active-Passive Microwave Signatures
Physics-Based Retrieval of Surface Roughness Parameters for Bare Soils from Combined Active-Passive Microwave Signatures Open
In the past the effect of soil roughness was often considered secondary within the determination of soil moisture from remote sensing data. Several studies showed that accurate determination of soil roughness leads to an improved estimatio…
View article: Seawater Dielectric Measurements at L-Band with Latest Improvements
Seawater Dielectric Measurements at L-Band with Latest Improvements Open
Recently, the dielectric constant of seawater at L-band was determined by employing a resonant cavity technique. A dielectric model function has been developed based on the measurement data and the model function has been used for retrievi…