Estimation of forest biophysical characteristics in Northern Michigan with SIR-C/X-SAR. - M. Craig Dobson; Fawwaz T. Ulaby; Leland E. Pierce; Terry L. Sharik; Kathleen M. Bergen; Josef Kellndorfer; John R. Kendra; Eric S. Li 001; Yi-Cheng Lin; Adib Y. Nashashibi; Kamal Sarabandi; Paul Siqueira (IEEE Trans. Geosci. Remote. Sens., 1995)

Semi-empirical model for radar backscatter from snow at 35 and 95 GHz. - Fawwaz T. Ulaby; Paul Siqueira; Adib Y. Nashashibi; Kamal Sarabandi (IEEE Trans. Geosci. Remote. Sens., 1996)

The "Myth" of the minimum SAR antenna area constraint. - Anthony Freeman; William T. K. Johnson; Bryan L. Huneycutt; Rolando L. Jordan; Scott Hensley; Paul Siqueira; J. Curlander (IEEE Trans. Geosci. Remote. Sens., 2000)

A continental-scale mosaic of the Amazon basin using JERS-1 SAR. - Paul Siqueira; Scott Hensley; Scott Shaffer; Laura L. Hess; Greg McGarragh; Bruce Chapman; Anthony Freeman (IEEE Trans. Geosci. Remote. Sens., 2000)

Multi-resolution analysis of polarimetric SAR data using wavelets. - Gianfranco De Grandi; Jong-Sen Lee; Dale L. Schuler; Paul Siqueira; Thomas L. Ainsworth; Marc Simard (IGARSS, 2002)

On the Use of Multiantenna Radars for Spaceborne Doppler Precipitation Measurements. - Stephen L. Durden; Paul Siqueira; Simone Tanelli (IEEE Geosci. Remote. Sens. Lett., 2007)

Temporal Decorrelation Studies for Vegetation Parameter Estimation with Space-Borne Radars. - Razi Ahmed; Paul Siqueira; Scott Hensley; Bruce Chapman; Kathleen M. Bergen (IGARSS (2), 2008)

Velocity Unfolding in Networked Radar System. - Edin Insanic; Paul Siqueira (IGARSS (3), 2008)

Use of Vector Velocity Estimate Accuracy for Improved Resource Allocation in a Network of Doppler Radars. - Edin Insanic; Paul Siqueira (IGARSS (3), 2008)

Calibration of the UMass Advanced Multi-Frequency Radar (AMFR). - Matthew McLinden; Paul Siqueira; Ninoslav Majurec (IGARSS (5), 2008)

Combining Lidar and InSAR Observations over the Harvard and Duke Forests for Making Wide Area Maps of Vegetation Height. - Paul Siqueira; Scott Hensley; Bruce Chapman; Razi Ahmed (IGARSS (5), 2008)

A Ka-band Interferometer for Cryospheric Applications-Instrument Description and First Results. - Harish Vedantham; Paul Siqueira; Karthik Srinivasan; Edin Insanic (IGARSS (5), 2008)

A biomass estimate over the harvard forest using field measurements with radar and lidar data. - Razi Ahmed; Paul Siqueira; Kathleen M. Bergen; Bruce Chapman; Scott Hensley (IGARSS, 2010)

A portable 35 GHZ cross-track interferometer for topographic and surface change measurements. - Paul Siqueira; Harish Vedantham; Tony Swochak (IGARSS, 2010)

Real-time estimates of differential signal phase for spaceborne systems using FPGAs. - Vishwas Vijayendra; Paul Siqueira; Harikrishnan Chandrikakutty; Akilesh Krishnamurthy; Russell Tessier (AHS, 2011)

Some first polarimetric-interferometric multi-baseline and tomographic results at Harvard forest using UAVSAR. - Scott Hensley; Thierry Michel; Maxim Neumann; Marco Lavalle; Ronald Muellerschoen; Bruce Chapman; Cathleen E. Jones; Razi Ahmed; Fabrizio Lombardini; Paul Siqueira (IGARSS, 2012)

Observation of vegetation vertical structure and disturbance using L-band InSAR over the Injune region in Australia. - Yang Lei 004; Paul Siqueira; Daniel Clewley; Richard M. Lucas (IGARSS, 2012)

Analysis and error assessment on the use of segmentation for estimating forest structural characteristics from lidar and radar. - Paul Siqueira; Caitlin Dickinson; Razi Ahmed; Bruce Chapman; Scott Hensley; Kathleen M. Bergen; Richard M. Lucas; Daniel Clewley (IGARSS, 2012)

An airborne 35 GHz radar interferometer in development at the university of Massachusetts. - Paul Siqueira; Rockwell Schrock; Thomas Millette; Tom Hartley (IGARSS, 2012)

A Maximum Likelihood Approach to Estimation of Vector Velocity in Doppler Radar Networks. - Edin Insanic; Paul Siqueira (IEEE Trans. Geosci. Remote. Sens., 2012)

Real-Time Vector Velocity Estimation in Doppler Radar Networks. - Edin Insanic; Paul Siqueira (IEEE Trans. Geosci. Remote. Sens., 2012)

An open-source SATA core for Virtex-4 FPGAs. - Cory Gorman; Paul Siqueira; Russell Tessier (FPT, 2013)

Uncertainty of Forest Biomass Estimates in North Temperate Forests Due to Allometry: Implications for Remote Sensing. - Razi Ahmed; Paul Siqueira; Scott Hensley; Kathleen M. Bergen (Remote. Sens., 2013)

Real-Time Differential Signal Phase Estimation for Space-Based Systems using FPGAs. - Shiting (Justin) Lu; Paul Siqueira; Vishwas Vijayendra; Harikrishnan Chandrikakutty; Russell Tessier (IEEE Trans. Aerosp. Electron. Syst., 2013)

Development and Testing of a Single Frequency Terahertz Imaging System for Breast Cancer Detection. - Benjamin St. Peter; Sigfrid Yngvesson; Paul Siqueira; Patrick Kelly; Ashraf Khan; Stephen J. Glick; Andrew Karellas (IEEE J. Biomed. Health Informatics, 2013)

A university-developed 35 GHz airborne cross-track SAR interferometer: Motion compensation and ambiguity reduction. - Kan Fu; Paul Siqueira; Rockwell Schrock (IGARSS, 2014)

An automatic mosaicking algorithm for generating a large-scale forest stand height map using spaceborne repeat-pass InSAR coherence. - Yang Lei 004; Paul Siqueira (IGARSS, 2014)

Estimation of Forest Height Using Spaceborne Repeat-Pass L-Band InSAR Correlation Magnitude over the US State of Maine. - Yang Lei 004; Paul Siqueira (Remote. Sens., 2014)

Analyzing the Uncertainty of Biomass Estimates From L-Band Radar Backscatter Over the Harvard and Howland Forests. - Razi Ahmed; Paul Siqueira; Scott Hensley (IEEE Trans. Geosci. Remote. Sens., 2014)

A calibrated 35 GHz airborne scatterometer for NASA's surface water and ocean topography mission. - Gerard Ruiz Carregal; Tom Hartley; Paul Siqueira; Jan-Willem De Bleser; Mark S. Haynes; Daniel Esteban-Fernandez; Thomas Millette (IGARSS, 2015)

A dense-medium insar correlation model with its application to the problem of snow characteristics retrieval. - Yang Lei 004; Paul Siqueira (IGARSS, 2015)

An Automatic Mosaicking Algorithm for the Generation of a Large-Scale Forest Height Map Using Spaceborne Repeat-Pass InSAR Correlation Magnitude. - Yang Lei 004; Paul Siqueira (Remote. Sens., 2015)

Generation of large-scale forest height mosaic and forest disturbance map through the combination of spaceborne repeat-pass InSAR coherence and airborne lidar. - Yang Lei 004; Paul Siqueira; Diya Chowdhury; Nathan Torbick (IGARSS, 2016)

An above canopy radar monitoring system at the Harvard Forest. - Paul Siqueira; Xingjian Chen (IGARSS, 2016)

A ground-based L-band synthetic aperture radar system for forest temporal dynamics monitoring. - Xingjian Chen; Paul Siqueira (IGARSS, 2017)

Supporting NASA SnowEx remote sensing strategies and requirements for L-band interferometric snow depth and snow water equivalent estimation. - Elias J. Deeb; Hans-Peter Marshall; Richard R. Forster; Cathleen E. Jones; Christopher A. Hiemstra; Paul R. Siqueira (IGARSS, 2017)

Potential impacts of WRC-2019 agenda items on scientific services. - Jasmeet Judge; Liese van Zee; William J. Blackwell; Sandra Cruz-Pol; Todd Gaier; Namir Kassim; David M. Le Vine; Amy Lovell; James Moran; Scott Ransom; Gabriel M. Rebeiz; Paul Siqueira (IGARSS, 2017)

Large-scale product of forest height using a new approach from spacborne repeat-pass sar interferometry and lidar. - Yang Lei 004; Paul Siqueira; Nathan Torbick; Diya Chowdhury; William Salas; Robert N. Treuhaft (IGARSS, 2017)

LARGE-scale fine-resolution products of forest disturbance using new approaches from spacborne sar interferometry. - Yang Lei 004; Robert N. Treuhaft; Michael Keller; Richard M. Lucas; Paul Siqueira; Michael Schmidt 012 (IGARSS, 2017)

Time series analysis of L-Band SAR for agricultural landcover classification. - Tracy Whelen; Paul Siqueira (IGARSS, 2017)

Coefficient of variation for use in crop area classification across multiple climates. - Tracy Whelen; Paul Siqueira (Int. J. Appl. Earth Obs. Geoinformation, 2018)

An Error Model for Mapping Forest Cover and Forest Cover Change Using L-Band SAR. - Oliver Cartus; Paul Siqueira; Josef Kellndorfer (IEEE Geosci. Remote. Sens. Lett., 2018)

Sen4Rice: A Processing Chain for Differentiating Early and Late Transplanted Rice Using Time-Series Sentinel-1 SAR Data With Google Earth Engine. - Dipankar Mandal; Vineet Kumar 004; Avik Bhattacharya; Y. S. Rao 001; Paul Siqueira; Soumen Bera (IEEE Geosci. Remote. Sens. Lett., 2018)

Detection of Forest Disturbance With Spaceborne Repeat-Pass SAR Interferometry. - Yang Lei 004; Richard M. Lucas; Paul Siqueira; Michael Schmidt 012; Robert N. Treuhaft (IEEE Trans. Geosci. Remote. Sens., 2018)

Initial results from the 2019 NISAR Ecosystem Cal/Val Exercise in the SE USA. - Bruce Chapman; Paul Siqueira; Sassan Saatchi; Marc Simard; Josef Kellndorfer (IGARSS, 2019)

Using Dense Time-Series of C-Band Sar Imagery for Classification of Diverse, Worldwide Agricultural Systems. - Laura Dingle Robertson; Milena Planells; Silvia Valero; Nima Ahmadian; Alisa Coffin; David D. Bosch; Michael H. Cosh; Paul Siqueira; Bruno Basso; Nicanor Saliendra; Andrew A. Davidson; Heather McNairn; et al. (IGARSS, 2019)

Generation of Large-Scale Moderate-Resolution Forest Height Mosaic With Spaceborne Repeat-Pass SAR Interferometry and Lidar. - Yang Lei 004; Paul Siqueira; Nathan Torbick; Mark J. Ducey; Diya Chowdhury; William Salas (IEEE Trans. Geosci. Remote. Sens., 2019)

SMAP Validation Experiment 2019-2021 (SMAPVEX19-21): Detection of Soil Moisture under Forest Canopy. - Andreas Colliander; Michael H. Cosh; Sidharth Misra; Laura L. Bourgeau-Chavez; Vicky Kelly; Paul Siqueira; Alexandre Roy; Tarendra Lakhankar; Simon Kraatz; Alexandra Georges Konings; Natan Holtzman; Mehmet Kurum; et al. (IGARSS, 2020)

Boreal Forest Radar Tomography at P, L and S-Bands at Berms and Delta Junction. - Scott Hensley; Razi Ahmed; Bruce Chapman; Brian P. Hawkins; Marco Lavalle; Naiara Pinto; Matteo Pardini; Kostas Papathanassiou; Paul Siqueira; Robert N. Treuhaft (IGARSS, 2020)

ISCE Docker Tools: Automated Radiometric Terrain Correction and Image Coregistration of Uavsar MLC Data. - Simon Kraatz; Paul Siqueira; Shannon Rose (IGARSS, 2020)

SMAP Validation Experiment 2019-2022 (SMAPVEX19-22): Detection of Soil Moisture Under Temperate Forest Canopy. - Andreas Colliander; Michael H. Cosh; Sidharth Misra; Laura L. Bourgeau-Chavez; Vicky Kelly; Paul Siqueira; Alexandre Roy; Tarendra Lakhankar; Simon Kraatz; Alexandra Georges Konings; Mehmet Kurum; Dara Entekhabi; et al. (IGARSS, 2021)

Development of the Terrestrial Snow Mass Mission. - Chris Derksen; Joshua King; Stephane Belair; Camille Garnaud; Vincent Vionnet; Vincent Fortin; Juha Lemmetyinen; Yves Crevier; Patrick Plourde; Brian Lawrence; Helena van Mierlo; Geoff Burbidge; et al. (IGARSS, 2021)

Towards a Characterization of the Ka-Band Ocean Surface Backscattering Mechanisms. - Federica Polverari; Alexander Wineteer; Ernesto Rodríguez; Dragana Perkovic-Martin; Paul Siqueira; J. Thomas Farrar; J. Max Adam; James Edson (IGARSS, 2021)

A Review of SAR Observation Requirements for Global and Targeted Science Applications. - Ake Rosenqvist; Cathleen E. Jones; Eric Rignot; Mark Simons; Paul Siqueira; Takeo Tadono (IGARSS, 2021)

Ecosystem Sciences with NISAR. - Paul Siqueira; John Armston; Bruce Chapman; Anup Das 005; Ralph Dubayah; Josef Kellndorfer; Kyle McDonald; Chakrapani Patnaik; Sassan Saatchi; Nathan Torbick (IGARSS, 2021)

A Ku-Band Airborne InSAR for Snow Characterization at Trail Valley Creek. - Paul Siqueira; Max Adam; Simon Kraatz; Dustin Lagoy; Marc Closa Torres; Leung Tsang; Jiyue Zhu; Chris Derksen; Joshua King (IGARSS, 2021)

Refined Forest Stand Height Inversion Approach with Spaceborne Repeat-Pass L-Band SAR Interferometry and GEDI Lidar Data. - Yang Lei 004; Paul Siqueira (IGARSS, 2022)

Data Analysis and SWE Retrieval of Airborne SAR Data AT X Band and KU Bands. - Firoz Kanti Borah; Leung Tsang; D. K. Kang; Edward Kim 001; Paul Siqueira; Ana P. Barros; Michael Durand (IGARSS, 2022)

Development of SMAP Retrievals for Forested Regions: SMAPVEX19-22 and SMAPVEX22-Boreal. - Andreas Colliander; Michael H. Cosh; Aaron Berg; Sidharth Misra; Jaison Thomas Ambadan; Laura L. Bourgeau-Chavez; Vicky Kelly; Simon Kraatz; Paul Siqueira; Alexandre Roy; Warren Helgason; Ramata Magagi; et al. (IGARSS, 2022)

L- and S-Band Polarimetric Data Collections by ISRO's ASAR Instrument in Support of NISAR Ecosystems Algorithm Development. - Paul Siqueira (IGARSS, 2022)

NISAR: Open Access and Operational L-Band Data for Agricultural Science. - Nathan Torbick; Xiaodong Huang 004; Bruce Chapman; Josef Kellndorfer; Sassan Saatchi; Paul Siqueira (IGARSS, 2022)

Assessing the impact of Sentinel-1 derived planting dates on rice crop yield modeling. - Mahya G. Z. Hashemi; Abhijeet Abhishek; Ehsan Jalilvand; Susantha Jayasinghe; Konstantinos M. Andreadis; Paul Siqueira; Narendra N. Das (Int. J. Appl. Earth Obs. Geoinformation, 2022)

A Ka-Band Wind Geophysical Model Function Using Doppler Scatterometer Measurements from the Air-Sea Interaction Tower Experiment. - Federica Polverari; Alexander Wineteer; Ernesto Rodríguez; Dragana Perkovic-Martin; Paul Siqueira; J. Thomas Farrar; Max Adam; Marc Closa Tarrés; James B. Edson (Remote. Sens., 2022)

Dry Snow Parameter Retrieval With Ground-Based Single-Pass Synthetic Aperture Radar Interferometry. - Yang Lei 004; Xiaolan Xu; Chad A. Baldi; Jan-Willem De Bleser; Simon H. Yueh; Daniel Esteban-Fernandez; Kelly Elder; Banning Starr; Paul Siqueira (IEEE Trans. Geosci. Remote. Sens., 2022)

L-Band Radar for Forest Temporal Dynamics. - Xingjian Chen; Paul Siqueira; Kyle McDonald; Michael H. Cosh; Andreas Colliander; Mark Vanscoy (IGARSS, 2023)

Snow Water Equivalent Retrieval Using Spaceborne Repeat-Pass L-Band SAR Interferometry Over Sparse Vegetation Covered Regions. - Yang Lei 004; Jiancheng Shi 001; Cunren Liang; Charles Werner 001; Paul Siqueira (IGARSS, 2023)

Soil Moisture Measurement Using Twin-Lead Ladder Line. - Paul Siqueira; Qingchuan Wu (IGARSS, 2023)

Implementation of a Point Target Simulator for Better Estimating Parameter Offsets in Airborne SAR and InSAR Processing. - Marc Closa Tarrés; Paul Siqueira (IGARSS, 2023)

Large-Scale Forest Height Mapping in the Northeastern U.S. using L-Band Spaceborne Repeat-Pass SAR Interferometry and GEDI LiDAR Data. - Yanghai Yu; Yang Lei 004; Paul Siqueira (IGARSS, 2023)

Comparing NISAR (Using Sentinel-1), USDA/NASS CDL, and Ground Truth Crop/Non-Crop Areas in an Urban Agricultural Region. - Simon Kraatz; Brian T. Lamb; Wells Dean Hively; Jyoti S. Jennewein; Feng Gao 009; Michael H. Cosh; Paul Siqueira (Sensors, 2023)

Canopy Height Estimation Using C- and L-Band Insar Coherence Over Savannas and Dry Forests. - Narayanarao Bhogapurapu; Paul Siqueira; John Armston; Mikhail Urbazaev; Konrad Wessels; Laura Duncanson (IGARSS, 2024)

The NASA ISRO SAR (NISAR) Mission - Validation of Science Measurement Requirements. - Bruce Chapman; Giovanni Anconitano; Adrian A. Borsa; Alexandra Christensen; KC Cushman; Anup Das 005; Andrea Donnellan; Brandi Downs; Eric Fielding; Ben Holt; Ian Joughin; Josef Kellndorfer; et al. (IGARSS, 2024)

Preparing an on-Demand Cloud Processing Workflow for NISAR Ecosystems Science Products. - Alexandra Christensen; Paul Siqueira; Bruce Chapman; Josef Kellndorfer; Kyle McDonald; Sassan Saatchi; Katherine C. Cushman; Brandi Downs; Adriana Parra; Naveen Ramachandran (IGARSS, 2024)

Enhancing Crop Type Classification from Multi-Frequency Dual-Pol SAR Data by Probabilistic Fusion of Gaussian Processes. - Swarnendu Sekhar Ghosh; Sandeep Kumar; Avik Bhattacharya; Dipankar Mandal; Biplab Banerjee; Narayanarao Bhogapurapu; Paul Siqueira (IGARSS, 2024)

Ecosystem Science with NISAR: Final Preparations in The Pre-Launch Period. - Paul Siqueira; John Armston; Bruce Chapman; Alexandra Christensen; Katherine C. Cushman; Anup Das 005; Ralph Dubayah; Josef Kellndorfer; Kyle McDonald; Chakrapani Patnaik; Sassan Saatchi (IGARSS, 2024)

SNOWWI: A Three-Frequency InSAR for Snow Science Applications. - Paul Siqueira; Marc Closa Tarrés; Max Adam; Eric Sutherland; Joseph Maloyan; Takuya Seaver; Russell Tessier; Leung Tsang; Firoz Kanti Borah; H. P. Marshall; Elias Deeb; Gordon Farquharson (IGARSS, 2024)

First Results From a Dual Ku- and C-Band Airborne SAR for Snowpack Measurements. - Marc Closa Tarrés; Paul Siqueira; J. Max Adam; Eric Sutherland; Joseph Maloyan; Takuya Seaver; Russell Tessier; Leung Tsang; Firoh Borah; HP Marshall; Elias Deeb; Gordon Farquharson (IGARSS, 2024)

30 M Gridded Forest Canopy Height Mapping for New England Region, USA by Using ALOS Repeat-Pass SAR Interferometry and GEDI LiDAR Data. - Yanghai Yu; Yang Lei 004; Paul Siqueira (IGARSS, 2024)

A New InSAR Temporal Decorrelation Model for Seasonal Vegetation Change With Dense Time-Series Data. - Narayanarao Bhogapurapu; Paul Siqueira; John Armston (IEEE Geosci. Remote. Sens. Lett., 2024)

An Evidence Modified Gaussian Process Classifier (EM-GPC) for Crop Classification Using Dual-Polarimetric C- and L- Band SAR Data. - Swarnendu Sekhar Ghosh; Dipankar Mandal; Sandeep Kumar; Narayanarao Bhogapurapu; Biplab Banerjee; Paul Siqueira; Avik Bhattacharya (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2024)

Classification of Crop Area Using PALSAR, Sentinel-1, and Planet Data for the NISAR Mission. - Giovanni Anconitano; Seung-Bum Kim; Bruce Chapman; Jessica Martinez; Paul Siqueira; Nazzareno Pierdicca (Remote. Sens., 2024)

SMAP Validation Experiment 2019-2022 (SMAPVEX19-22): Field Campaign to Improve Soil Moisture and Vegetation Optical Depth Retrievals in Temperate Forests. - Andreas Colliander; Michael H. Cosh; Laura L. Bourgeau-Chavez; Victoria R. Kelly; Simon Kraatz; Paul Siqueira; Victoria A. Walker; Xingjian Chen; Alexandre Roy; Tarendra Lakhankar; Kyle C. McDonald; Nicholas Steiner; et al. (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2025)

Soil Moisture Estimates Using -Band Airborne SAR Over Forests Replicating NISAR Observations. - Seung-Bum Kim; Xiaolan Xu; Simon Kraatz; Andreas Colliander; Michael H. Cosh; Vicky Kelly; Paul Siqueira (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2025)

Soil Surface Roughness in Temperate Forest During SMAPVEX19-22. - Victoria A. Walker; Michael H. Cosh; William A. White 001; Andreas Colliander; Victoria R. Kelly; Paul Siqueira (IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2025)