Eni G. Njoku

According to our database, Eni G. Njoku authored at least 88 papers between 1976 and 2018.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2018

Soil Moisture Retrieval Using full Wave Simulations of 3-D Maxwell Equations for Compensating Vegetation Effects.

Andreas Colliander, Eni G. Njoku, Huanting Huang, Leung Tsang

Proceedings of the 2018 IEEE International Geoscience and Remote Sensing Symposium, 2018

2017

SMAP L-Band Microwave Radiometer: Instrument Design and First Year on Orbit.

Jeffrey R. Piepmeier, Paolo Focardi, Kevin A. Horgan, Joseph J. Knuble, Negar Ehsan, Jared F. Lucey, Clifford Brambora, Paula R. Brown, Pamela J. Hoffman, Richard T. French, Rebecca L. Mikhaylov, Eug-Yun Kwack, Eric M. Slimko, Douglas E. Dawson, Derek Hudson, Jinzheng Peng, Priscilla N. Mohammed, Giovanni De Amici, Adam P. Freedman, James Medeiros, Fred Sacks, Robert Estep, Michael W. Spencer, Curtis W. Chen, Kevin B. Wheeler, Wendy N. Edelstein, Peggy E. O'Neill, Eni G. Njoku

IEEE Trans. Geosci. Remote. Sens., 2017

Surface Soil Moisture Retrieval Using the L-Band Synthetic Aperture Radar Onboard the Soil Moisture Active-Passive Satellite and Evaluation at Core Validation Sites.

Seung-Bum Kim, Jakob J. van Zyl, Joel T. Johnson, Mahta Moghaddam, Leung Tsang, Andreas Colliander, Roy Scott Dunbar, Thomas J. Jackson, Sermsak Jaruwatanadilok, Richard D. West, Aaron Berg, Todd Caldwell, Michael H. Cosh, David C. Goodrich, Stanley Livingston, Ernesto López-Baeza, Tracy L. Rowlandson, Marc Thibeault, Jeffrey P. Walker, Dara Entekhabi, Eni G. Njoku, Peggy E. O'Neill, Simon H. Yueh

IEEE Trans. Geosci. Remote. Sens., 2017

A Comparative Study of the SMAP Passive Soil Moisture Product With Existing Satellite-Based Soil Moisture Products.

Mariko S. Burgin, Andreas Colliander, Eni G. Njoku, Steven Tsz K. Chan, François Cabot, Yann H. Kerr, Rajat Bindlish, Thomas J. Jackson, Dara Entekhabi, Simon H. Yueh

IEEE Trans. Geosci. Remote. Sens., 2017

Propagation and Scattering by a Layer of Randomly Distributed Dielectric Cylinders Using Monte Carlo Simulations of 3D Maxwell Equations With Applications in Microwave Interactions With Vegetation.

Huanting Huang, Leung Tsang, Eni G. Njoku, Andreas Colliander, Tien-Hao Liao, Kung-Hau Ding

IEEE Access, 2017

A new vegetation model based on numerical 3D solutions of maxwell equations.

Huanting Huang, Leung Tsang, Eni G. Njoku, Andreas Colliander

Proceedings of the 2017 IEEE International Geoscience and Remote Sensing Symposium, 2017

2016

Active-Passive Disaggregation of Brightness Temperatures During the SMAPVEX12 Campaign.

Delphine J. Leroux, Narendra Narayan Das, Dara Entekhabi, Andreas Colliander, Eni G. Njoku, Roy Scott Dunbar, Simon H. Yueh

IEEE Trans. Geosci. Remote. Sens., 2016

Uncertainty Estimates in the SMAP Combined Active-Passive Downscaled Brightness Temperature.

Narendra Narayan Das, Dara Entekhabi, Roy Scott Dunbar, Eni G. Njoku, Simon H. Yueh

IEEE Trans. Geosci. Remote. Sens., 2016

Assessment of the SMAP Passive Soil Moisture Product.

Steven Tsz K. Chan, Rajat Bindlish, Peggy E. O'Neill, Eni G. Njoku, Thomas J. Jackson, Andreas Colliander, Fan Chen, Mariko Burgin, Roy Scott Dunbar, Jeffrey Piepmeier, Simon Yueh, Dara Entekhabi, Michael H. Cosh, Todd Caldwell, Jeffrey P. Walker, Xiaoling Wu, Aaron A. Berg, Tracy L. Rowlandson, Anna Pacheco, Heather McNairn, Marc Thibeault, José Martínez-Fernández, Angel Gonzalez-Zamora, Mark S. Seyfried, David D. Bosch, Patrick J. Starks, David C. Goodrich, John H. Prueger, Michael A. Palecki, Eric E. Small, Marek Zreda, Jean-Christophe Calvet, Wade T. Crow, Yann Kerr

IEEE Trans. Geosci. Remote. Sens., 2016

Active-Passive Soil Moisture Retrievals During the SMAP Validation Experiment 2012.

Delphine J. Leroux, Narendra N. Das, Dara Entekhabi, Andreas Colliander, Eni G. Njoku, Thomas J. Jackson, Simon Yueh

IEEE Geosci. Remote. Sens. Lett., 2016

NASA Soil Moisture Active Passive mission status and science performance.

Simon Yueh, Dara Entekhabi, Peggy O'Neill, Eni G. Njoku, Jared Entin

Proceedings of the 2016 IEEE International Geoscience and Remote Sensing Symposium, 2016

Evaluation of the validated Soil Moisture product from the SMAP radiometer.

Peggy E. O'Neill, Steven Tsz K. Chan, Andreas Colliander, Roy Scott Dunbar, Eni G. Njoku, Rajat Bindlish, Fan Chen, Thomas J. Jackson, Mariko Burgin, Jeffrey Piepmeier, Simon Yueh, Dara Entekhabi, Michael H. Cosh, Todd Caldwell, Jeffrey P. Walker, Xiaoling Wu, Aaron A. Berg, Tracy L. Rowlandson, Anna Pacheco, Heather McNairn, Marc Thibeault, José Martínez-Fernández, Angel Gonzalez-Zamora, Mark S. Seyfried, David D. Bosch, Patrick J. Starks, David C. Goodrich, John H. Prueger, Michael A. Palecki, Eric E. Small, Marek Zreda, Jean-Christophe Calvet, Wade T. Crow, Yann Kerr

Proceedings of the 2016 IEEE International Geoscience and Remote Sensing Symposium, 2016

Combined active and passive microwave remote sensing of soil moisture for vegetated surfaces at L-band.

Huanting Huang, Tien-Hao Liao, Leung Tsang, Eni G. Njoku, Andreas Colliander, Thomas J. Jackson, Simon Yueh

Proceedings of the 2016 IEEE International Geoscience and Remote Sensing Symposium, 2016

Overview of the SMAP Applications and the SMAP Early Adopters program - NASA's first mission-directed outreach effort.

Vanessa M. Escobar, Sabrina Delgado-Arias, M. Susan Moran, G. Nearing, Dara Entekhabi, Eni G. Njoku, Simon Yueh, Bradley Doorn, Rolf Reichle

Proceedings of the 2016 IEEE International Geoscience and Remote Sensing Symposium, 2016

Development and validation of the GCOM-W AMSR2 soil moisture product.

Rajat Bindlish, Thomas J. Jackson, Michael H. Cosh, Sushil Milak, Eni G. Njoku, Steven Tsz K. Chan, Mariko Burgin, Todd Caldwell, Aaron A. Berg, Heather McNairn, Jeffrey P. Walker, Yijian Zeng, Zhongbo Su, Marc Thibeault, Justino Martínez

Proceedings of the 2016 IEEE International Geoscience and Remote Sensing Symposium, 2016

2015

Soil Moisture Retrieval Using L-Band Radar Observations.

Parag S. Narvekar, Dara Entekhabi, Seung-Bum Kim, Eni G. Njoku

IEEE Trans. Geosci. Remote. Sens., 2015

The Soil Moisture Active Passive Validation Experiment 2012 (SMAPVEX12): Prelaunch Calibration and Validation of the SMAP Soil Moisture Algorithms.

Heather McNairn, Thomas J. Jackson, Grant Wiseman, Stephane Belair, Aaron Berg, Paul Bullock, Andreas Colliander, Michael H. Cosh, Seung-Bum Kim, Ramata Magagi, Mahta Moghaddam, Eni G. Njoku, Justin R. Adams, Saeid Homayouni, Emmanuel Ojo, Tracy L. Rowlandson, Jiali Shang, Kalifa Goita, Mehdi Hosseini

IEEE Trans. Geosci. Remote. Sens., 2015

Comparison of Airborne Passive and Active L-Band System (PALS) Brightness Temperature Measurements to SMOS Observations During the SMAP Validation Experiment 2012 (SMAPVEX12).

Andreas Colliander, Thomas J. Jackson, Heather McNairn, Seth L. Chazanoff, Steve J. Dinardo, Barron Latham, Ian O'Dwyer, William Chun, Simon Yueh, Eni G. Njoku

IEEE Geosci. Remote. Sens. Lett., 2015

2014

Models of L-Band Radar Backscattering Coefficients Over Global Terrain for Soil Moisture Retrieval.

Seung-Bum Kim, Mahta Moghaddam, Leung Tsang, Mariko Burgin, Xiaolan Xu, Eni G. Njoku

IEEE Trans. Geosci. Remote. Sens., 2014

Tests of the SMAP Combined Radar and Radiometer Algorithm Using Airborne Field Campaign Observations and Simulated Data.

Narendra Narayan Das, Dara Entekhabi, Eni G. Njoku, Jiancheng Shi, Joel T. Johnson, Andreas Colliander

IEEE Trans. Geosci. Remote. Sens., 2014

Intercomparisons of Brightness Temperature Observations Over Land From AMSR-E and WindSat.

Narendra Narayan Das, Andreas Colliander, Steven Tsz K. Chan, Eni G. Njoku, Li Li

IEEE Trans. Geosci. Remote. Sens., 2014

2013

Active and Passive Vegetated Surface Models With Rough Surface Boundary Conditions From NMM3D.

Leung Tsang, Il-Suek Koh, Tien-Hao Liao, Shaowu Huang, Xiaolan Xu, Eni G. Njoku, Yann H. Kerr

IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2013

A robust algorithm for soil moisture retrieval from the soil Moisture Active Passive mission radar observations.

Parag S. Narvekar, Dara Entekhabi, Seung-Bum Kim, Eni G. Njoku

Proceedings of the 2013 IEEE International Geoscience and Remote Sensing Symposium, 2013

2012

Soil Moisture Retrieval Using Time-Series Radar Observations Over Bare Surfaces.

Seung-Bum Kim, Leung Tsang, Joel T. Johnson, Shaowu Huang, Jakob J. van Zyl, Eni G. Njoku

IEEE Trans. Geosci. Remote. Sens., 2012

Application of QuikSCAT Backscatter to SMAP Validation Planning: Freeze/Thaw State Over ALECTRA Sites in Alaska From 2000 to 2007.

Andreas Colliander, Kyle McDonald, Reiner Zimmermann, Ronny Schroeder, John S. Kimball, Eni G. Njoku

IEEE Trans. Geosci. Remote. Sens., 2012

2011

Effect of Radiative Transfer Uncertainty on L-Band Radiometric Soil Moisture Retrieval.

Alexandra Georges Konings, Dara Entekhabi, Steven Tsz K. Chan, Eni G. Njoku

IEEE Trans. Geosci. Remote. Sens., 2011

An Algorithm for Merging SMAP Radiometer and Radar Data for High-Resolution Soil-Moisture Retrieval.

Narendra N. Das, Dara Entekhabi, Eni G. Njoku

IEEE Trans. Geosci. Remote. Sens., 2011

Utilization of ancillary data sets for SMAP algorithm development and product generation.

Peggy O'Neill, Erika Podest, Eni G. Njoku

Proceedings of the 2011 IEEE International Geoscience and Remote Sensing Symposium, 2011

Effect of radar measurement error on the detection of transient inland water bodies.

Seung-Bum Kim, Richard D. West, Eni G. Njoku

Proceedings of the 2011 IEEE International Geoscience and Remote Sensing Symposium, 2011

Soil moisture retrieval over low-vegetation surfaces using time-series radar observations and a lookup table representation of forward scattering.

Seung-Bum Kim, Shaowu Huang, Leung Tsang, Joel T. Johnson, Eni G. Njoku

Proceedings of the 2011 IEEE International Geoscience and Remote Sensing Symposium, 2011

The NASA Soil Moisture Active Passive (SMAP) mission formulation.

Dara Entekhabi, Eni G. Njoku, Peggy O'Neill, Kent H. Kellogg, Jared Entin

Proceedings of the 2011 IEEE International Geoscience and Remote Sensing Symposium, 2011

Active and Passive multi-scale microwave remote sensing of the Alaska Ecological Transect: Application to SMAP freeze/thaw state validation planning.

Andreas Colliander, Kyle McDonald, Reiner Zimmermann, Erika Podest, Ronny Schroeder, John S. Kimball, Eni G. Njoku

Proceedings of the 2011 IEEE International Geoscience and Remote Sensing Symposium, 2011

The Soil Moisture Active Passive (SMAP) applications activity.

Molly E. Brown, Mary Susan Moran, Vanessa M. Escobar, Dara Entekhabi, Peggy O'Neill, Eni G. Njoku

Proceedings of the 2011 IEEE International Geoscience and Remote Sensing Symposium, 2011

Evaluation of SMAP level 2 soil moisture algorithms using SMOS data.

Rajat Bindlish, Thomas J. Jackson, Tianjie Zhao, Michael H. Cosh, Steven Tsz K. Chan, Peggy O'Neill, Eni G. Njoku, Andreas Colliander, Yann Kerr, Jiancheng Shi

Proceedings of the 2011 IEEE International Geoscience and Remote Sensing Symposium, 2011

2010

WindSat Global Soil Moisture Retrieval and Validation.

Li Li, Peter W. Gaiser, Bo-Cai Gao, Richard M. Bevilacqua, Thomas J. Jackson, Eni G. Njoku, Christoph Rüdiger, Jean-Christophe Calvet, Rajat Bindlish

IEEE Trans. Geosci. Remote. Sens., 2010

Backscattering Coefficients, Coherent Reflectivities, and Emissivities of Randomly Rough Soil Surfaces at L-Band for SMAP Applications Based on Numerical Solutions of Maxwell Equations in Three-Dimensional Simulations.

Shaowu Huang, Leung Tsang, Eni G. Njoku, Kuan Shan Chan

IEEE Trans. Geosci. Remote. Sens., 2010

Satellite Microwave Remote Sensing of Daily Land Surface Air Temperature Minima and Maxima From AMSR-E.

Lucas A. Jones, Craig R. Ferguson, John S. Kimball, Ke Zhang, Steven Tsz K. Chan, Kyle C. McDonald, Eni G. Njoku, Eric F. Wood

IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2010

The Soil Moisture Active Passive (SMAP) Mission.

Dara Entekhabi, Eni G. Njoku, Peggy O'Neill, Kent H. Kellogg, Wade T. Crow, Wendy N. Edelstein, Jared Entin, Shawn D. Goodman, Thomas J. Jackson, Joel T. Johnson, John S. Kimball, Jeffrey R. Piepmeier, Randal D. Koster, Neil Martin, Kyle McDonald, Mahta Moghaddam, Mary Susan Moran, Rolf Reichle, Jiancheng Shi, Michael W. Spencer, Samuel W. Thurman, Leung Tsang, Jakob J. van Zyl

Proc. IEEE, 2010

Deriving soil moisture with the combined L-band radar and radiometer measurements.

Jiancheng Shi, Kun-Shan Chen, Leung Tsang, Thomas J. Jackson, Eni G. Njoku, Jakob J. van Zyl, Peggy O'Neill, Dara Entekhabi, Joel T. Johnson, Mahta Moghaddam

Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2010

The NASA Soil Moisture Active Passive (SMAP) mission: Overview.

Peggy O'Neill, Dara Entekhabi, Eni G. Njoku, Kent H. Kellogg

Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2010

Fostering applications opportunities for the NASA Soil Moisture Active Passive (SMAP) Mission.

Mary Susan Moran, Peggy O'Neill, Dara Entekhabi, Eni G. Njoku, Kent H. Kellogg

Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2010

Quikscat backscatter sensitivity to landscape freeze/thaw state over ALECTRA sites in Alaska from 2000 to 2007: Application to SMAP validation planning.

Andreas Colliander, Kyle McDonald, Reiner Zimmermann, Thomas Linke, Ronny Schroeder, John S. Kimball, Eni G. Njoku

Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2010

Forward simulations of passive microwave observations for the soil Moisture Active Passive (SMAP) mission.

Steven Tsz K. Chan, Eni G. Njoku, Roy Scott Dunbar

Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2010

2009

A Method for Deriving Land Surface Moisture, Vegetation Optical Depth, and Open Water Fraction from AMSR-E.

Lucas Jones, John S. Kimball, Kyle McDonald, Steven Tsz K. Chan, Eni G. Njoku

Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2009

2008

Stokes Antenna Temperatures.

Jeffrey Piepmeier, David G. Long, Eni G. Njoku

IEEE Trans. Geosci. Remote. Sens., 2008

Passive and Active L-Band System and Observations during the 2007 CLASIC Campaign.

Simon Yueh, Steve J. Dinardo, Steven Tsz K. Chan, Eni G. Njoku, Thomas J. Jackson, Rajat Bindlish

Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2008

Estimation of Soil Moisture with Dual-Frequency - PALS.

Jiancheng Shi, Eni G. Njoku, Thomas J. Jackson, Peggy O'Neill, Kun-Shan Chen

Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2008

The Soil Moisture Active/Passive Mission (SMAP).

Dara Entekhabi, Eni G. Njoku, Peggy O'Neill, Michael W. Spencer, Thomas J. Jackson, Jared Entin, Eastwood Im, Kent H. Kellogg

Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2008

Characterization of Backscatter by Surface Features in L-Band Active Microwave Remote Sensing of Soil Moisture.

Narendra N. Das, Binayak P. Mohanty, Eni G. Njoku

Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2008

2007

Foreword to the Special Issue on the 9th Specialist Meeting on Microwave Radiometry and Remote Sensing Applications (MicroRad '06).

Steven C. Reising, Frank S. Marzano, Eni G. Njoku, Ed R. Westwater

IEEE Trans. Geosci. Remote. Sens., 2007

Satellite Microwave Remote Sensing of Boreal and Arctic Soil Temperatures From AMSR-E.

Lucas Jones, John S. Kimball, Kyle McDonald, Steven Tsz K. Chan, Eni G. Njoku, Walt C. Oechel

IEEE Trans. Geosci. Remote. Sens., 2007

Impact of Multiresolution Active and Passive Microwave Measurements on Soil Moisture Estimation Using the Ensemble Kalman Smoother.

Susan C. Dunne, Dara Entekhabi, Eni G. Njoku

IEEE Trans. Geosci. Remote. Sens., 2007

2006

Evaluation of Potential Error Sources for Soil Moisture Retrieval from Satellite Microwave Radiometer.

Jiancheng Shi, Eni G. Njoku, Thomas J. Jackson, Peggy O'Neill

Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2006

Hydros Soil Moisture Retrieval Algorithms: Status and Relevance to Future Missions.

Peggy O'Neill, Manfred Owe, Ben T. Gouweleeuw, Eni G. Njoku, Jiancheng Shi, Eric F. Wood

Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2006

Impact of Rainfall on the Retrieval of Soil Moisture using AMSR-E Data.

Kyoung-Wook Jin, Eni G. Njoku, Steven Tsz K. Chan

Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2006

2005

Global survey and statistics of radio-frequency interference in AMSR-E land observations.

Eni G. Njoku, Peter Ashcroft, Steven Tsz K. Chan, Li Li

IEEE Trans. Geosci. Remote. Sens., 2005

A combined modeling and multispectral/multiresolution remote sensing approach for disaggregation of surface soil moisture: application to SMOS configuration.

Olivier Merlin, Abdelghani G. Chehbouni, Yann H. Kerr, Eni G. Njoku, Dara Entekhabi

IEEE Trans. Geosci. Remote. Sens., 2005

Spatial resolution and processing tradeoffs for HYDROS: application of reconstruction and resolution enhancement techniques.

David G. Long, Michael W. Spencer, Eni G. Njoku

IEEE Trans. Geosci. Remote. Sens., 2005

Polarimetric scanning radiometer C- and X-band microwave observations during SMEX03.

Thomas J. Jackson, Rajat Bindlish, Albin J. Gasiewski, B. Boba Stankov, Marian Klein, Eni G. Njoku, David D. Bosch, Thomas L. Coleman, Charles A. Laymon, Patrick J. Starks

IEEE Trans. Geosci. Remote. Sens., 2005

An observing system simulation experiment for hydros radiometer-only soil moisture products.

Wade T. Crow, Steven Tsz K. Chan, Dara Entekhabi, Paul R. Houser, Ann Y. Hsu, Thomas J. Jackson, Eni G. Njoku, Peggy O'Neill, Jiancheng Shi, Xiwu Zhan

IEEE Trans. Geosci. Remote. Sens., 2005

Estimation of soil moisture with the combined L-band radar and radi ometer measurements.

Jiancheng Shi, Yunjin Kim, Jakob J. van Zyl, Eni G. Njoku, Thomas J. Jackson, Kun-Shan Chen, Peggy O'Neill

Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2005

Development of soil moisture retrieval algorithms for the hydros microwave radiometer.

Peggy O'Neill, Eni G. Njoku, Jiancheng Shi, Eric F. Wood

Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2005

An observing system simulation experiment for hydros radiometer-only soil moisture and freeze-thaw products.

Wade T. Crow, Steven Tsz K. Chan, Dara Entekhabi, Ann Y. Hsu, Thomas J. Jackson, Eni G. Njoku, Peggy O'Neill, Jiancheng Shi

Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2005

2004

A preliminary survey of radio-frequency interference over the U.S. in Aqua AMSR-E data.

Li Li, Eni G. Njoku, Eastwood Im, Paul S. Chang, Karen St. Germain

IEEE Trans. Geosci. Remote. Sens., 2004

The hydrosphere State (hydros) Satellite mission: an Earth system pathfinder for global mapping of soil moisture and land freeze/thaw.

Dara Entekhabi, Eni G. Njoku, Paul R. Houser, Michael W. Spencer, Terence Doiron, Yunjin Kim, Joel Smith, Ralph Girard, Stephane Belair, Wade T. Crow, Thomas J. Jackson, Yann H. Kerr, John S. Kimball, Randy Koster, Kyle McDonald, Peggy O'Neill, Terry Pultz, Steven W. Running, Jiancheng Shi, Eric F. Wood, Jakob J. van Zyl

IEEE Trans. Geosci. Remote. Sens., 2004

The HYDROS radiometer/radar instrument.

Michael W. Spencer, Eni G. Njoku, Dara Entekhabi, Terence Doiron, Jeffrey R. Piepmeier, Ralph Girard

Proceedings of the 2004 IEEE International Geoscience and Remote Sensing Symposium, 2004

Comparison of soil moisture retrieval algorithms using simulated HYDROS brightness temperatures.

Peggy O'Neill, Eni G. Njoku, Steven Tsz K. Chan, Wade T. Crow, Ann Y. Hsu, Jiancheng Shi

Proceedings of the 2004 IEEE International Geoscience and Remote Sensing Symposium, 2004

A simple algorithm for spatial disaggregation of radiometer derived soil moisture using higher resolution radar observations.

Ujjwal Narayan, Venkat Lakshmi, Eni G. Njoku

Proceedings of the 2004 IEEE International Geoscience and Remote Sensing Symposium, 2004

2003

Soil moisture retrieval from AMSR-E.

Eni G. Njoku, Thomas J. Jackson, Venkat Lakshmi, Steven Tsz K. Chan, Son V. Nghiem

IEEE Trans. Geosci. Remote. Sens., 2003

Soil moisture retrieval using the passive/active L- and S-band radar/radiometer.

John D. Bolten, Venkataraman Lakshmi, Eni G. Njoku

IEEE Trans. Geosci. Remote. Sens., 2003

Quantitative analysis of SMEX'02 AIRSAR data for soil moisture inversion.

Jakob J. van Zyl, Eni G. Njoku, Thomas J. Jackson

Proceedings of the 2003 IEEE International Geoscience and Remote Sensing Symposium, 2003

Compact dual-frequency microstrip antenna feed for future soil moisture and sea surface salinity missions.

Simon H. Yueh, William J. Wilson, Eni G. Njoku, K. S. Kona, K. Bahadori, Yahya Rahmat-Samii

Proceedings of the 2003 IEEE International Geoscience and Remote Sensing Symposium, 2003

Soil moisture retrieval and AMSR-E validation using an airborne microwave radiometer in SMEX02.

Thomas J. Jackson, Rajat Bindlish, Marian Klein, Albin J. Gasiewski, Eni G. Njoku

Proceedings of the 2003 IEEE International Geoscience and Remote Sensing Symposium, 2003

Estimation of soil moisture with repeat-pass L-band radiometer measurements.

Jiancheng Shi, Eni G. Njoku, Kun-Shan Chen, Thomas J. Jackson, P. O'neill

Proceedings of the 2003 IEEE International Geoscience and Remote Sensing Symposium, 2003

2002

Observations of soil moisture using a passive and active low-frequency microwave airborne sensor during SGP99.

Eni G. Njoku, William J. Wilson, Simon H. Yueh, Steve J. Dinardo, Fuk K. Li, Thomas J. Jackson, Venkat Lakshmi, John D. Bolten

IEEE Trans. Geosci. Remote. Sens., 2002

Soil moisture retrieval using the C-band polarimetric scanning radiometer during the Southern Great Plains 1999 Experiment.

Thomas J. Jackson, Albin J. Gasiewski, Anna Oldak, Marian Klein, Eni G. Njoku, Aleksandr Yevgrafov, Sven Christiani, Rajat Bindlish

IEEE Trans. Geosci. Remote. Sens., 2002

HYDRO-POL - a spaceborne polarimetric radar-radiometer for land hydrology and ocean salinity.

Paolo Pampaloni, Giacomo De Carolis, Dara Entekhabi, Paolo Ferrazzoli, Yunjin Kim, Guido Pasquariello, Nazzareno Pierdicca, Francesco Posa, Stefano Zecchetto, Carlo Zelli, Paolo Castracane, Francesco De Biasio, G. Desantis, Luciano Guerriero, Giovanni Macelloni, Eni G. Njoku, Claudia Notarnicola, Francesco Mattia, Simonetta Paloscia, Giuseppe Satalino

Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2002

Estimation of soil moisture change with PALS's L-band radiometer.

Jiancheng Shi, Eni G. Njoku, Kun-Shan Chen, Thomas J. Jackson, Peggy O'Neill

Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2002

Estimate relative soil moisture change with multi-temporal L-band radar measurements.

Jiancheng Shi, Kun-Shan Chen, Jakob J. van Zyl, Yunjin Kim, Eni G. Njoku

Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2002

2001

Error sources and feasibility for microwave remote sensing of ocean surface salinity.

Simon H. Yueh, Richard D. West, William J. Wilson, Fuk K. Li, Eni G. Njoku, Yahya Rahmat-Samii

IEEE Trans. Geosci. Remote. Sens., 2001

2000

A large-antenna microwave radiometer-scatterometer concept for ocean salinity and soil moisture sensing.

Eni G. Njoku, William J. Wilson, Simon H. Yueh, Yahya Rahmat-Samii

IEEE Trans. Geosci. Remote. Sens., 2000

Estimation of soil-type heterogeneity effects in the retrieval of soil moisture from radiobrightness.

John F. Galantowicz, Dara Entekhabi, Eni G. Njoku

IEEE Trans. Geosci. Remote. Sens., 2000

1999

Evaluation of an inflatable antenna concept for microwave sensing of soil moisture and ocean salinity.

Eni G. Njoku, Yahya Rahmat-Samii, J. Sercel, William J. Wilson, Mahta Moghaddam

IEEE Trans. Geosci. Remote. Sens., 1999

Retrieval of land surface parameters using passive microwave measurements at 6-18 GHz.

Eni G. Njoku, Li Li

IEEE Trans. Geosci. Remote. Sens., 1999

Tests of sequential data assimilation for retrieving profile soil moisture and temperature from observed L-band radiobrightness.

John F. Galantowicz, Dara Entekhabi, Eni G. Njoku

IEEE Trans. Geosci. Remote. Sens., 1999

1995

Solving inverse problems by Bayesian iterative inversion of a forward model with applications to parameter mapping using SMMR remote sensing data.

Daniel T. Davis, Zhengxiao Chen, Jenq-Neng Hwang, Leung Tsang, Eni G. Njoku

IEEE Trans. Geosci. Remote. Sens., 1995

1994

Solving the inverse problem for soil moisture and temperature profiles by sequential assimilation of multifrequency remotely sensed observations.

Dara Entekhabi, Hajime Nakamura, Eni G. Njoku

IEEE Trans. Geosci. Remote. Sens., 1994

1976

Microwave remote sensing of near-surface moisture and temperature profiles.

Eni G. Njoku

PhD thesis, 1976