Search Results - "Le Vine, David M."
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Soil Moisture Active/Passive (SMAP) L-Band Microwave Radiometer Post-Launch Calibration Revisit: Approach and Performance
Published in IEEE journal of selected topics in applied earth observations and remote sensing (01-01-2021)“…The soil moisture active passive (SMAP) microwave radiometer is a fully-polarimetric L -band radiometer flown on the SMAP satellite in a 6 AM /6 PM…”
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The Salinity Retrieval Algorithms for the NASA Aquarius Version 5 and SMAP Version 3 Releases
Published in Remote sensing (Basel, Switzerland) (15-07-2018)“…The Aquarius end-of-mission (Version 5) salinity data set was released in December 2017. This article gives a comprehensive overview of the main steps of the…”
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Spurious Signal in SMAP Fourth Stokes Parameter
Published in IEEE transactions on geoscience and remote sensing (01-11-2021)“…The radiometer on the NASA Soil Moisture Active/Passive (SMAP) mission is a fully polarimetric instrument that operates at L-band in the spectrum window at…”
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Seawater Debye Model Function at L-Band and Its Impact on Salinity Retrieval From Aquarius Satellite Data
Published in IEEE transactions on geoscience and remote sensing (01-10-2021)“…A model function of seawater, which specifies the dielectric constant of seawater as a function of salinity, temperature, and frequency, is important for the…”
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Sensitivity of Wide Bandwidth Radiometer for Remote Sensing of Ocean Salinity
Published in IEEE transactions on geoscience and remote sensing (01-01-2022)“…Passive microwave remote sensing of sea surface salinity from space is currently being done with measurements in the 27 MHz wide spectral window at 1.413 GHz…”
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Status of the Dielectric Constant of Sea Water at L-Band for Remote Sensing of Salinity
Published in IEEE transactions on geoscience and remote sensing (01-01-2022)“…The model expressing the dielectric constant of sea water at microwave frequencies as a function of salinity and temperature is an important element in remote…”
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Model for Dielectric Constant of Seawater Based on L-Band Measurements With Conductivity by Definition
Published in IEEE geoscience and remote sensing letters (01-01-2022)“…This article reports an improvement in the model for the dielectric constant of seawater used to fit laboratory measurements of the dielectric constant at the…”
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Measurement of SST and SSS Using Frequencies in the Range 0.3 – 2.0 GHz
Published in Radio science (01-04-2022)“…Wide bandwidth radiometer systems that make measurements at multiple frequencies in the range 300 MHz to 2 GHz have been proposed to address parameters…”
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Remote Sensing of Sea Surface Salinity: Comparison of Satellite and In Situ Observations and Impact of Retrieval Parameters
Published in Remote sensing (Basel, Switzerland) (01-04-2019)“…Since 2009, three low frequency microwave sensors have been launched into space with the capability of global monitoring of sea surface salinity (SSS). The…”
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The Fourth Stokes Parameter for Geolocation in Passive Microwave Remote Sensing from Space
Published in IEEE transactions on geoscience and remote sensing (01-01-2022)“…Polarimetric microwave radiometers such as SMAP are capable of measuring the fourth Stokes parameter in brightness temperature over the Earth surface. The…”
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The Multifrequency Future for Remote Sensing of Sea Surface Salinity from Space
Published in Remote sensing (Basel, Switzerland) (01-05-2020)“…Passive microwave remote sensing of sea surface salinity from space is done with measurements in the 27 MHz wide spectral window at 1.413 GHz (L-band) which is…”
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The Dielectric Constant of Sea Water and Extension to High Salinity
Published in IEEE journal of selected topics in applied earth observations and remote sensing (2024)“…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…”
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Characteristics of RFI Determined From Kurtosis Using the SMAP Radiometer
Published in IEEE transactions on geoscience and remote sensing (2024)“…Radio frequency interference (RFI) is a problem in microwave remote sensing even for sensors operating in the protected band at 1.4 GHz (L-band)…”
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Look Angle Correction for SMAP L-Band Radiometer Using Geolocation Measurements
Published in IEEE transactions on geoscience and remote sensing (2024)“…Geolocation of the radiometer footprint in scanning instruments such as SMAP (Soil Moisture Active Passive) has been successfully demonstrated using the change…”
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Faraday Rotation Correction for SMAP and Soil Moisture Retrieval
Published in IEEE transactions on geoscience and remote sensing (01-02-2018)“…Faraday rotation can be significant at L-band and needs to be considered in remote sensing from space using the spectrum window at 1.413 GHz protected for…”
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L-Band RFI Detected by SMOS and Aquarius
Published in IEEE transactions on geoscience and remote sensing (01-07-2017)“…Ocean salinity and soil moisture are key parameters for understanding the global water cycle, weather, and climate. These parameters are being measured with…”
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L-Band Model Function of the Dielectric Constant of Seawater
Published in IEEE transactions on geoscience and remote sensing (01-12-2017)“…This paper describes a new model of the seawater dielectric constant as a function of salinity and temperature at L-band. The model function is developed by…”
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Aquarius and Remote Sensing of Sea Surface Salinity from Space
Published in Proceedings of the IEEE (01-05-2010)“…Aquarius is an L-band radiometer and scatterometer instrument combination designed to map the salinity field at the surface of the ocean from space. The…”
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New Seawater Dielectric Constant Parametrization and Application to SMOS Retrieved Salinity
Published in IEEE transactions on geoscience and remote sensing (01-01-2023)“…The accuracy of the Sea Surface Salinity (SSS) retrieved from L-Band radiometer measurements is strongly dependent on the reliability of the dielectric…”
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Location of Radio-Frequency Interference Sources Using the SMAP L-Band Radiometer
Published in IEEE transactions on geoscience and remote sensing (01-11-2018)“…The Soil Moisture Active/Passive (SMAP) satellite mission measures Earth's radiation in the protected portion of the spectrum at 1.413 GHz (L-band) to retrieve…”
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