List of Publications

Peer Reviewed Papers

  1. Divya Sekhar Vaka, Y S Rao, Avik Bhattacharya, Time series analysis of the pre-seismic and post-seismic surface deformation of the 2017 Iran–Iraq earthquake derived from Sentinel-1 InSAR data, Journal of Earth System Science, 132, Article No. 64, 2023 https://link.springer.com/article/10.1007/s12040-023-02085-2
  2. Bhogapurapu N., Dey S., Bhattacharya A, Lopez-Martrinez C., Hajnsek I., Rao Y.S. "Soil Permittivity Estimation Over Croplands Using Full and Compact Polarimetric SAR Data,"IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING,, Vol.60 :, 2022, pp.4415917
  3. Bhogapurapu N., Dey S., Mandal D., Bhattacharya A., Lanka K., Mc Nairn M., Rao Y.S "Soil Moisture Retrieval Over Croplands Using dual-pol L-band GRD SAR Data,"Remote Sensing of Environment, Vol.271 :, 2022, pp.112900
  4. Bhogapurapu N., Dey S., Homayoouni S., Bhattacharya A., Rao Y.S. "Field-Scale Soil Moisture Estimation Using Sentinel-1 GRD SAR Data," Advances in Space Research,Vol.70 :, 2022, pp.3845-3858,
  5. Bhogapurapu N., Dey S., Bhattacharya A., Mandal D., Lopez-Sanchez J.M., McNairn H., Lopez-Martinez C., Rao Y.S "Dual-polarimetric descriptors from Sentinel-1 GRD SAR data for crop growth assessment,"ISPRS Journal of Photogrammetry and Remote Sensing, Vol.178 :, 2021, pp.20-35,,
  6. Bhogapurapu N., Dey S., Bhattacharya A., Rao Y.S. "PolSAR tools: A QGIS plugin for generating SAR descriptors," Journal of Open Source Software ,Vol.6 57:2970, 2021, pp.1-3
  7. Dey S., Bhattacharya A., Ratha D., Mandal D., McNairn H., Lopez-Sanchez J.M., Rao Y.S. "Novel Clustering Schemes for Full and Compact Polarimetric SAR Data: An Application for Rice Phenology Characterization,"ISPRS Journal of Photogrammetry and Remote Sensing, Vol.169 :, 2020, pp.135-151,,
  8. Kumar, V., Mandal D., Bhattacharya A., Rao Y.S. "Crop characterization using an improved scattering power decomposition technique for compact polarimetric SAR data,"International Journal of Applied Earth Observation and Geoinformation , Vol.88 :102052, 2020, pp.1-10,
  9. Vanama, V.S.K., Mandal D., and Rao, Y.S., "GEE4FLOOD: rapid mapping of flood areas using temporal Sentinel-1 SAR images with Google Earth Engine cloud platform,"Journal of Applied Remote Sensing , Vol.14 3:034505, 2020, pp.1-23
  10. Dey, S., Mandal, D., Dingle Robertson, L., Banerjee, B., Kumar, V., McNairn, H., Bhattacharya, A., Rao, Y. S. "In-Season Crop Classification Using Elements of the Kennaugh Matrix Derived from Polarimetric RADARSAT-2 SAR Data," International Journal of Applied Earth Observations and Geoinformation,Vol.88 102059:, 2020, pp.1-11
  11. Mandal, D., Kumar, V., Ratha, D., Lopez-Sanchez, J. M., Bhattacharya, A., McNairn, H., Rao, Y. S. "Assessment of Rice Growth Conditions in a Semi-arid Region of India Using a Novel Radar Vegetation Index Derived from RADARSAT-2 Polarimetric SAR Data,"Remote Sensing of Environment,Vol.237 111561:, 2020, pp.1-15,
  12. Mandal, D., Kumar, V., McNairn, H., Bhattacharya, A., Lopez-Sanchez, J. M., Rao, Y. S. "Crop Biophysical Parameter Retrieval from Sentinel-1 SAR Data with a multitarget Inversion Technique,"International Journal of Remote Sensing, Vol.41 14:, 2020, pp.5503-5524
  13. Mandal, D., Ratha, D., Bhattacharya, A., Kumar, V., McNairn, H., Rao, Y. S., Frery, A. C. "A Radar Vegetation Index for Crop Monitoring Using Compact Polarimetric SAR Data"IEEE Transactions on Geoscience and Remote Sensing, Vol.58:, 2020, pp.6321-6335,
  14. Mandal, D., Kumar, V., Ratha, D., Dey, S., Bhattacharya, A., Lopez-Sanchez, J. M., McNairn, H., Rao, Y. S. "Dual Polarimetric Radar Vegetation Index for Crop Growth Monitoring Using Sentinel-1 SAR Data,"Remote Sensing of Environment, Vol.247 111954:, 2020, pp.1-17
  15. Mandal D., Hosseini M., McNairn H., Kumar V., Bhattacharya A., Rao Y. S., Mitchell S., Dingle Robertson L., Davidson A., Dabrowska-Zielinska K. (2019), An Investigation of Inversion Methodologies to Retrieve the Leaf Area Index of Corn from C-Band SAR 95 Data,International Journal of Applied Earth Observations and Geoinformation, Elsevier, 2019, 82: 101893. DOI: 10.1016/j.jag.2019.06.003
  16. Mandal D., Kumar V., McNairn H., Bhattacharya A., and Rao Y. S (2019), Joint Estimation of Plant Area Index (PAI) and Wet biomass in Wheat and Soybean from C-band Polarimetric SAR Data, International Journal of Applied Earth Observations and Geoinformation, Vol. 79, pp. 24-34. DOI: 10.1016/j.jag.2019.02.007
  17. Vineet Kumar, Y. S. Rao, Avik Bhattacharya and S. Cloude, 2019, Classification assessment of real versus simulated compact and Qual-pol modes of ALOS-2, IEEE Geosci. Remote Sens. Letters, pp.1497-1501.
  18. Mandal D., V. Kumar, A. Bhattacharya, Y. S. Rao, P. Siqueira and S. Bera "Sen4Rice: A Processing Chain for Differentiating Early and Late Transplanted Rice Using Time-Series Sentinel-1 SAR Data With Google Earth Engine,"IEEE Geoscience and Remote Sensing Letters, Vol.15 12:, 2018, pp.1947-1951.
  19. Cloude S.R. David G. Goodenough, Hao Chen, Yalamanchili S. Rao, Wen Hong "Pauli Phase Calibration in Compact Polarimetry," IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing,Vol.11 12:, 2018, pp. 4906-4917.
  20. Vineet Kumar, Heather McNairn, Avik Bhattacharya, Y. S. Rao, Temporal response of crop type to transmitted ellipticity in compact-pol SAR data, IEEE Journal of selected topics in applied earth observations and remote sensing, 2017
  21. Manavalan R., YS Rao, B Krishna Mohan, Full View Comparative flood area analysis of C-band VH, VV, and L-band HH polarizations SAR data, Int. j. Remote Sensing, Vol. 38, 16, pp.4645-4654.
  22. G.G. Ponnurangam and Y.S.Rao, Evaluation of different orientation angle distributions within the X-Bragg scattering model for bare soil moisture estimation, Int. J. Remote Sensing, vol. 38, pp.4379-4395, 2017
  23. G.G.Ponnurangam, T. Jagdhuber, I. Hajnsek and Y.S.Rao, Soil moisture estimation using hybrid polarimetric SAR data of RISAT-1, IEEE Trans. Geosci. and Remote Sensing,Vol. 54, pp.2033-2049, 2016
  24. Rinki Deo, C. Rossi, M. Eineder, T. Fritz, and Y. S. Rao. Framework for Fusion of Ascending and Descending Pass TanDEM-X Raw DEMs, IEEE J. Sel. Topics Appl. Earth Observ. Remote Sensing, Vol. 7, pp.3347-3355, 2015
  25. Y. S. Rao, Rinki Deo, J. Nalini, Abhijit M Pillai, S. Muralikrishnan and V. K. Dadhwal. Quality assessment of TanDEM-X DEMs using airborne LiDAR, photogrammetry and ICESat elevation data. ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Volume II-8, 187-192, 2014. DOI: 10.5194/isprsannals-II-8-187-2014
  26. Sharma S. and Rao Y.S. "Building subsidence estimation using PSInSAR technique: Case study of Mumbai city," J. of Geomatics, Vol.8 2:, 2014, pp.181-187,Sharma S. and Rao Y.S. "Building subsidence estimation using PSInSAR technique: Case study of Mumbai city," J. of Geomatics, Vol.8 2:, 2014, pp.181-187.
  27. Manavalan, R and Y. S. Rao, DEM and SAR image based flood feature extraction techniques to map the deep and shallow flood inundated regions of known as well as remote disaster regions"Geocarto International, Vol.10.1080, 2013, pp.1-13.
  28. Varsha Turkar, Rinki Deo, Y.S.Rao, Shiv Mohan, Anup Das, Classification accuracy of multi-frequency and multi-polarization SAR images for various land covers, IEEE Journal of Applied Earth Observation and Remote Sensing, Vol. 5, No. 3, pp. 936-942, 2012.
  29. Rao Y. S., Synthetic Aperture Radar (SAR) Interferometry for Glacier Movement Studies, Encyclopedia of snow, ice and glaciers, Springer, pp.1133-1142,2011.
  30. Rao K. S.. Y.S. Rao . H.K. Al Jassar, A Study on the Polarimetric Properties of Various Features using SIR-C Data, J. Indian Society of Remote Sens. 36:pp123-136, 2008.
  31. Rao K.S., Y.S.Rao, H.K. Al Jassar, Retrieval of soil moisture using SIR-C polarimetric data, J. Indian Society of Remote Sensing, 36, pp.109-122, 2008.
  32. Gulab Singh, Kumar V., Venkataraman G, Rao Y.S. and Snehmani, Snow porosity estimation using advanced synthetic aperture radar single look complex data analysis and its effects on backscattering coefficient, J. Applied Remote Sensing, Vol. 1, 013522 (23 July 2007)
  33. Rao K.S., Al-Jassar H.K., Phalke S., Rao Y.S., Muller J.P., and Li Z., A study on the applicability of repeat-pass SAR interferometry for generating DEMs over several Indian test sites,International J. of Remote Sensing, 27, 595-616, 2006.
  34. K.S.Rao and Y.S. Rao, Advances in microwave remote sensing towards agricultural applications, NNRMS Bulletin, India, No-2, pp. 46-60 Jan. 1997.
  35. Rao K.S., Y.S. Rao and J.R. Wang, Frequency dependence of polarization phase difference and polarization index for vegetation covered fields using polarimetric, Int. J. Remote Sensing, Vol. 16, No. 18, pp. 3605-3617, Dec. 1995.
  36. Ijjas G. and Y.S. Rao, Microwave Remote Sensing of Soil Moisture from Aircraft in Hungary, Int. J. of Remote Sensing, 13, 471-479, 1992.
  37. Rao K.S., P.V. Narasimha Rao, Y.S. Rao, Girish Chandra, C. Suresh Raju and M.V. Bapat, (1988), A study on the effect of the soil texture on passive microwave remote sensing, J. Indian Soc. Remote Sens., Vol. 16, No.3 pp. 55-63.

    Papers in Conference Proceedings

  1. Chowdhury S.R, D.S Vaka, Y.S Rao, A Bhattacharya, Landslide Deformation Analysis Over Joshimath Region Using The Opensarlab Cloud-Based Environment, IEEE India Geoscience and Remote Sensing Symposium (InGARSS), held at NIT, Goa, Dec. 2-5, 2024, pp.1-4, DOI: 10.1109/InGARSS61818.2024.10984126
  2. Arunkumar Heddallikar, Raymond Pinto, Y. S. Rao, Avik Bhattacharya, Tarique Sajjad, Ground Based Synthetic Aperture Radar Calibration and Validation for Land Surface Deformationi, CEOS SAR Cal & Val Workshop, held in SAC, Ahmedabad, India. Nov. 12-15, 2024.https://calvalportal.ceos.org/html/portal/sarc/documents/documents/S6_2.html
  3. Y. S. Rao, S. Roy Chowdhury and S. Mishra, Displacement map of Joshimath using Differential Synthetic Aperture Radar (DInSAR), Small Baseline Subset (SBAS) and Persistent Scatterer Interferometric Synthetic Aperture Radar (PSInSAR) Techniques, AOGS 2023, held in Taiwan, Oct. 30- Nov. 3, 2023.
  4. SR Chowdhury, S Mishra, DS Vaka, S Maurya2, YS Rao, Deformation mapping in joshimath: a comparative study of insar time series analysis with licsbas, opensarlab, and stamps, The Indian Society of Geomatics (ISG) and the Indian Society of Remote Sensing, Nov. 28-30, 2023.
  5. Y. S. Rao, S. R. Chowdhury, Displacement Mapping of Joshimath, India Using Conventional DInSAR and LiCSBAS Techniques, Asia Oceania Geosciences Society (AOGS), July 30 to August 4, 2023.
  6. Arunkumar Heddallikar, Avik Bhattacharya, Raymond Pinto, R Kokila, Aditya Deodhar, Y S Rao, Ground Based ARC SAR Interferometry using VNA IEEE International India Geoscience and Remote Sensing Symposium (InGARSS), 2023, Bangalore, India
  7. Narayanarao Bhogapurapu, Avik Bhattacharya, Y. S. Rao, Subhadip Dey, Unmesh Khati, Global Sentinel-1 GRD Descriptors Over Various Forest Types IEEE International Geoscience and Remote Sensing Symposium (IGARSS), 2023, Pasadena, USA
  8. Bhogapurapu N., Dey S., Bhattacharya A, López-MartÃnez C., Hajnsek I., Rao Y.S "Soil permittivity estimation over croplands using Pol- SAR dat,"PolInSAR 2022, 2022, IGARSS Malaysia, best paper award student category.
  9. Bhogapurapu N., Dey S., Homayoouni S., Bhattacharya A., Rao Y.S "Scattering Parameters from Sentinel-1 SAR Data for crop growthi assessment,"IEEE Mediterranean and Middle-East Geoscience and Remote Sensing Symposium (M2GARSS),, 2022, Virtual. [3] Heddallikar A., Pinto R., Kothari H., James J., Rao Y.S., Sajjad T. "Initial Results of Ground based SAR Experiment in an Opencast Coal Mine for Slope Stability Monitoring,"MAPCON , 2022, Bangalore.
  10. Bhogapurapu N., Dey S., Bhattacharya A., Rao Y.S. "Soil moisture estimation over canola crop using Simulated NISAR Dual Polarimetric GRD Product,"PolInSAR 2021, 2021, Toulouse France (online).
  11. Dey S., Bhogapurapu N., Bhattacharya A., Rao Y.S. "Crop Monitoring Using Sentinel-1 GRD Product in GEE Platform," PolInSAR 2021, 2021, Toulouse France (ESA online).
  12. Bhogapurapu N., Dey S., Mandal D., Bhattacharya A., Rao Y.S "Monitoring Wheat Crop Growth Using a New Vegetation Index from Sentinel-1 GRD SAR Data,"IGARSS 2021, 2021, Brussels, Belgium.
  13. Bhogapurapu N., Bhattacharya A., Rao Y.S "Chandrayaan-2 Dual Frequency Synthetic Aperture Radar (DFSAR) Full and Compact Polarimetric Data Analysis for the Lunar Surface,"APSAR, 2021, Bali, Indonesia.
  14. Bhogapurapu N., Dey S., Bhattacharya A., Rao Y.S. "Soil moisture estimation using Simulated NISAR Dual Polarimetric GRD Product over croplands,"APSAR, 2021, Bali, Indonesia.
  15. Dey S., Bhogapurapu N., Bhattacharya A., Mandal D., McNairn H., Rao Y.S "Novel Clustering Technique for Monitoring Crop Phenology Using SAR Data,"APSAR, 2021, Bali, Indonesia.
  16. Vaka D.S., Rao Y.S., and Singh T. "Surface Deformation of the 2019 Mirpur earthquake estimated from Sentinel 1 InSAR data," IEEE India International Geoscience and Remote Sensing Symposium,2020, Ahmedabad, best paper award.
  17. Vanama, V. S. K., and Rao Y.S. "Real-Time Flood Mapping with Temporal SAR Images Using ESA CloudToolbox Service." Urban Science and Engineering,"Urban Science and Engineering symposium, 2020, IIT Bombay.
  18. Vanama, V. S. K., Babu K. V. S., and Rao Y. S. "Ground truth mapping with multi-temporal earth observation data in ESA CloudTool box: A case of Kerala flood event occurred in 2018,"International Conference on Emerging Smart Computing and Informatics (ESCI), 2020, Pune, India.
  19. Bhogapurapu N., Mandal D., Rao Y.S. and Bhattacharya A. "Soil Moisture retrieval using SAR derived vegetation descriptors in water could model," IEEE Geoscience and Remote Sensing Symposium, IGARSS 2020 (Virtual),2020, Hawaii.
  20. Bhogapurapu N., Mandal D., Rao Y.S. and Bhattacharya A. "Soil moisture estimation for wheat crop using dual-pol L-band SAR data," India IEEE Geoscience and Remote Sensing Symposium (InGARSS),2020, Ahmedabad.
  21. Mandal D., Bhogapurapu N.R., Kumar V., Dey S., Ratha D., Bhattacharya A, Lopez-Sanchez J. M. , McNairn H., Rao Y.S. "Vegetation monitoring using a new dual-pol radar vegetation index: A preliminary study with simulated NASA-ISRO SAR (NISAR) L-band data,"IEEE Geoscience and Remote Sensing Symposium, IGARSS 2020 (Virtual),,2020, Hawaii.
  22. Ratha D., Mandal D., Dey S., Bhattacharya A., Frery A.C., Rao Y.S., McNairn H. "New Vegetation Indices For Full And Compact Polarimetric SAR data in preparation for the Radarsat Constellation Mission (RCM),"IEEE Latin American GRSS & ISPRS Remote Sensing Conference (LAGIRS), Chile,2020, Chile.
  23. Vaka, D.S., Kumar, V., Rao, Y.S., Deo, R. "Comparison of Various DEMs for Height Accuracy Assessment Over Different Terrains of India," IEEE IGARSS Symposium, pp.1998-2001,2019, Yokohama, Japan.
  24. Vanama, V.S.K., Rao, Y.S. "Change Detection Based Flood Mapping of 2015 Flood Event of Chennai City Using Sentinel-1 SAR Images," IEEE IGARSS Symposium, pp. 9729-9732,2019, Yokohama, Japan.
  25. Mandal D., Bhattacharya A., Kumar V., Ratha D., Dey S., McNairn H., Frery A.C., Rao, Y.S. "A Novel Radar Vegetation Index for Compact Polarimetric SAR Data,"IEEE IGARSS symposium, pp. 1037-1040, 2019, Yokohama, Japan.
  26. Hosseini, M., McNairn, H., Mitchell, S., Dingle Robertson, L., Davidson, A., Diego de, Abelleyra, Verón, S., Ahmadian, N., Conrad, C., Kumar, V., Mandal, D., Bhattacharya, A., Rao, Y. S., Dabrowska-Zielinska, K., Shelestov, A., Kussul, N., Saliendra, N."Crop Leaf Area Index Estimation at Global Scale Using Synthetic Aperture Radar,"Advanced SAR (ASAR) Workshop 2019, Canadian Space Agency, Quebec, Canada., 2019, Quebec.
  27. Vanama, V. S K, Rao, Y. S., "Automatic thresholding based flood mapping with temporal Sentinel-1 images," ISRS symposium, 2019, Shillong, India.
  28. Koleshwar, S., Vaka, D.S., Rao, Y. S. "Ground Based Synthetic Aperture Radar Data Processing," ISRS symposium, 2019, Shillong, India.
  29. Dey, S., Kumar, V., Rao, Y.S., Bhattacharya, A. "Time Series Analysis of Quad-Pol RADARSAT-2 and Sentinel-2 Data for Different Crops," ISRS symposium,2019, Shillong, India.
  30. Boopathi, N., Nan Ye, Xioling Wu, Jeffrey P. Walker, Y.S. Rao, Thomas J. Jackson, Yann Kerr, Edward Kim, Andrew McGrath and In-Young Yeo."," Ground-Based Remote Sensing of Soil Moisture Using Lower Frequency Microwave Radiometers 2019 URSI Asia-Pacific Radio Science Conference (APRSC),09-15 March, ,2019, New Delhi, India.
  31. Rao, Y.S., Kumar, V., "Comparison of Hybrid Polarimetric Parameters from RISAT-1 and ALOS-2 Compact Mode Data," PolInSAR 2019, Jan 28-Feb. 1, ,2019, Frascati, Rome, Italy.
  32. Nithyapriya Boopathi, Nan Ye, Xioling Wu, Jeffrey P. Walker, Y. S. Rao "Towards Soil Moisture Retrieval Using Tower-Based P-Band Radiometer Observations,"IEEE International Geoscience and Remote Sensing Symposium, pp. 1407-1410, 2018, 2018, Valencia, Spain.
  33. Mandal D., V. Kumar, A. Bhattacharya, Y. S. Rao, and H. McNairn "Crop Biophysical Parameters Estimation with a Multi-Target Inversion Scheme using the Sentinel-1 SAR Data,"IEEE International Geoscience and Remote Sensing Symposium, pp. 6611-6614, 2018, Valencia, Spain.
  34. Sekha Vaka D., Y. S. RAo "Deformation of Bhuj earthquake area obtained with persistent scatterer interferometric analysis of ALOS L-band SAR Data,"EEE International Geoscience and Remote Sensing Symposium, pp. 513-516, 2018, 2018, Valencia, Spain.
  35. Mandal D., V. Kumar, Y. S. Rao, A. Bhattacharya, S. Bera, and M. K. Nanda "Combined Analysis of RADARSAT-2 SAR and Sentinel-2 Optical Data for Improved Monitoring of Tuber Initiation Stage of Potato,"Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLII-5, 275-279, 2018, 2018,Dehradun, India.
  36. Dhanashri Kolekar, V. S. K. Vanama and Y. S. Rao "Satellite based drought assessment over Latur, India using soil moisture derived from SMOS ," Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLII-5, 275-279, 2018,2018, Dehradun, India.
  37. Ittycheria N., D. S. Vaka, Y. S. Rao "Time series analysis of surface deformation of bengaluru city using Sentinel-1 images," ISPRS TC V Mid-term Symposium, Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLII-5, 473-477,2018, Dehradun, India.
  38. Nan Ye, Jeffrey Walker, Nithyapriya Boopathi, Xiaoling Wu, In-Young Yeo, Thomas Jackson, Yann Kerr, Edward Kim, Andrew McGrath and Y.S. Rao"P-band Passive Microwave Sensing of Soil Moisture: Preliminary Results," MICRORAD 2018: 15th Specialist meeting, 27-30 March 2018, 2018, Cambridge, USA.
  39. Mandal D., V. Kumar, A. Bhattacharya, and Y. S. Rao "JECAM SAR Inter-comparison Experiment-India," JECAM Special Event during IEEE International Geoscience and Remote Sensing Symposium-IGARSS 2018,2018, Valencia, Spain.
  40. Mandal D., H. McNairn, S. Mitchell, V. Kumar, Y. S. Rao and A. Bhattacharya "Estimation of crop biophysical parameters using Polarimetric Synthetic Aperture Radar (SAR) Remote Sensing Data,"50 Years of Canada-India Partnership: The Shastri Institute, 2018, Parliament, Ottawa, Canada.
  41. Kumar, V., Mandal, D., Rao, Y.S., Meadows, P. "Hybrid and Dual Linear Polarimetric RISAT-1 SAR Data for Classification Assessment," IEEE IGARSS, pp. 1028-1031 ,2017, Fort Worth, Texas, US.
  42. Mandal, D., Kumar V., Bhattacharya, A. and Rao, Y.S. "Monitoring Rice Crop Using Time Series Sentinel-1 Data In Google Earth Engine Platform," Asian Conference on Remote Sensing,2017, New Delhi.
  43. Vineet Kumar, Dipankar Mandal and Y. S. Rao "Comparison of Hybrid-Pol Descriptors from Multi-sensor Polarimetric SAR Data," Asian Conference on Remote Sensing,2017, New Delhi.
  44. Kumar, L.R., Vaka, D.S., Rao, Y.S. "Mapping Land Subsidence of Krishna – Godavari Basin using Persistent Scatterer Interferometry Technique," Asian Conference on Remote Sensing,2017, New Delhi.
  45. Vaka, D.S, Sharma, S., and Rao, Y.S. "Comparison of HH and VV Polarizations for Deformation Estimation using Persistent Scatterer Interferometry," Asian Conference on Remote Sensing,2017, New Delhi.
  46. Heena Kaldane, Varsha Turkar, Mandar Sohani, and Rao, Y.S. "Land cover chage detection using PolSAR images," Asian Conference on Remote Sensing,2017, New Delhi.
  47. Vanama V. S. K., Rao, Y. S. "Spatiotemporal Analysis of Passive Microwave Remote Sensing Data for Rapid Detection of Large-Scale Flood Events - A Geospatial Approach,"38th Asian Conference on Remote Sensing (ACRS 2017), 2017, New Delhi.
  48. Vanama, V. S. K., Praveenkumar, Ch., and Rao, Y.S. "Rapid detection of regional level flood event using AMSR-E and AMSR-2 satellite images," International Conference on Remote Sensing for Disaster Management (ICRSDM 2017),2017, Visakhapatnam.
  49. Vanama, V. S. K., Suresh Babu K.V., and Rao, Y. S. "Spatio-temporal Analysis of Chennai City Land Surface Temperature using Landsat 8 data," International conference on Urban Geoinformatics-2017,2017, New Delhi.
  50. Thiruvengadam, P. Rao, Y.S. "Spatio-temporal variation of soil moisture and drought monitoring using passive microwave remote sensing," IGARSS, 2016,pp. 3126-3129, Beijing.
  51. Kumar, V. and Rao, Y.S. "Analysis of full and hybrid polarimetric based descriptors for different land features," IGARSS, 2016, pp.4757-4760, Beijing.
  52. Deo R. and Rao, Y.S. "Comparison of tandem-x and cartosat-1 stereo dems over different terrains of india," IGARSS, 2016, pp.6484-6487, Beijing.
  53. Ponnurangam, G.G., Jagdhuber, T., Hajnsek, I. and Rao, Y.S. "Time series investigation of soil moisture estimation using compact polarimetry at l-band,"IGARSS, 2016, pp.1691-1694, Beijing.
  54. Rao, Y.S. Meadows, P. and Kumar V. "Evaluation of risat-1 compact polarization data for calibration," IGARSS , 2016, pp.3250-3253, Beijing.
  55. Varugu, B.K. and Rao, Y.S. "Glacier retreat monitoring from SAR coherence images: application to Gangotri glacier ," Proc. SPIE, 2016, New Delhi.
  56. Rinki Deo, Cristian Rossi, Michael Eineder, Thomas Fritz, and Y. S. Rao "Framework for Fusion of Ascending and Descending Pass TanDEM-X Raw DEMs,"IEEE J. selected topics in applied earth observation and remote sensing, Vol.8 7:, 2015, pp.3347-3355.
  57. G. G. Ponnurangam, T. Jagdhuber, I. Hajnsek and Y. S. Rao "Time Series Analysis of Hybrid Polarimetric RISAT-1 Data for Soil Moisture Estimation,"POLinSAR 2015, 2015, Frascati, Rome, Italy.
  58. Ponnurangam G.G., T. Jagdhuber, I. Hajnsek and Y. S. Rao "Retrieval of Soil Moisture using Multi-Temporal Hybrid Polarimetric RISAT-1 Data," IGARSS 2015,2015, Milan, Italy.
  59. Vineet Kumar and Y.S. Rao "Temporal analysis of different crops using quad-pol Radarsat-2 data," IGARSS 2015, 2015, Milan, Italy.
  60. Rajesh, J., G. G. Ponnurangam, Vineet Kumar, Y. S. Rao, V. M. Ramanujam "Calibration of RISAT-1 compact polarimetric SAR systems using point targets,"CEOS-WGCV - SAR Subgroup, 2015, Noordwijk, The Netherlands, , Rating B
  61. Varugu B. K., M. Singh and Y. S. Rao "Glacier velocity estimation using high resolution SAR images Application to Gangotri glacier in Himalayas," ISRS,2015, Jaipur.
  62. De S., V. Kumar, Y.S.Rao "Crop Classification using RISAT-1 Hybrid Polarimetric SAR Data," EUSAR 2014, IEEE Xplore pp. 1017-1020, 2014, Berlin, .
  63. Deo R., Y.S. Rao "Vertical Accuracy Assessment of TanDEM-X DEM over Indian Test Areas.," EUSAR 2014, IEEE Xplore pp. 374-377, 2014, Berlin.
  64. Deo R., C. Rossi, M. Eineder, T. Fritz, M. Lachaise, Y. S. Rao "Fusion of ascending and descending pass raw Tandem-x DEM," IGARSS 2014, pp.21-24,2014, Quebec, Canada.
  65. Ponnurangam G.G, Y.S.Rao, A. Bhattacharya "Evaluation of Various Polarimetric Parameters for Soil Moisture Inversion using Polarimetric SAR Data,"EUSAR 2014, IEEE Xplore pp.735-738, 2014, Berlin.
  66. Ponnurangam G.G, T. Jagdhuber, I. Jajnsek and Y.S.Rao "Soil Moisture Inversion Using Hybrid Polarimetric RISAT-1 Data," EUSAR 2014, IEEE Xplore pp.256-259,2014, Berlin.
  67. Jain M., R. Geo, V. Kumar and Y.S. Rao "Evaluation of Time Series TanDEM-X Digital Elevation Models," ISPRS XL-8, pp.437-441, 2014, Hyderabad.
  68. Kumar V., Y.S. Rao "Comparative analysis of RISAT-1 and simulated RADARSAT-2 hybrid polarimetric sar data for different land features ," ISRPS, XL-8, pp.799-802,2014, Hyderabad.
  69. Turkar V., Y. S. Rao and R.Deo "Fusion of Multi-frequency Polarimetric SAR and LISS-3 Optical Data for Classification of Various Land Cover," EUSAR 2014, IEEE Xplore pp.923-926,2014, Berlin.
  70. Manavalan R., B. Krishna Mohan, Y.S. Rao, Mapping the Layover-Shadow Pixels of Elevated Flooded Regions of Input Radarsat-2 SLC data, IEEE International Geoscience and Remote Sensing Symposium (IGARSS 2014). Quebec City, Canada. 15 July, 2014. IEEE Xplore
  71. Manavalan R., Sarat Chandra Babu Manavalan, Rao Y.S, Krishna Mohan, Subrata Chattopadhyay, Mangala, Analyzing the need and impact of Speckle Filtering in SAR image based flood application models, 0th European Conference on Synthetic Aperture Radar (EUSAR -2014), Berlin, Germany. 3 June, 2014.
  72. Turkar Varsha, De Shaunak, Ponnurangam G.G, Deo Rinki, Y. S. Rao and Das Anup "Classification of RISAT-1 Hybrid Polarimetric Data for Various Land Features, Asia-Pacific Synthetic Aperture Radar ," Asia Pacific Synthetic Aperture Radar (APSAR-2013), 2013, Tsukuba.
  73. Sharma Mayank, Shitole Shitole, Bhattacharya Avik, Y. S. Rao, B.K. Mohan and Das Anup "Corned difference weighted mean SAR speckel filter," Asia Pacific Synthetic Aperture Radar (APSAR-2013), 2013, Tsukuba.
  74. Shitole Sanjay, Y. S. Rao, B. Krishna Mohan, Bhattacharya Avik and Das Anup "Region Growing Based Improved SAR Speckle Filter for Polarimetric Data, Asia-Pacific Synthetic Aperture Radar ," Asia Pacific Synthetic Aperture Radar (APSAR-2013), 2013, Tsukuba.
  75. Shitole Sanjay, Y. S. Rao, B. Krishna Mohan, and Das Anup Kumar "Self-organizing feature map based polarimetric SAR data denoising," IEEE IGARSS 2013 , 2013, Melbourne.
  76. Turkar Varsha, De Shaunak, Shitole Sanjay, Y. S. Rao, Bhattacharya A., and Das Anup Kumar "Comparative analysis of classification accuracy for RISAT-1 compact polarimetric data for various land covers," IEEE IGARSS 2013, 2013, Melbourne.
  77. Deo Rinki, Surendar Manickam, Y. S. Rao, Gedam Shirish S., "Evaluation of interferometric SAR DEMs generated using TanDEM-X data," IEEE IGARSS 2013 , 2013, Melbourne.
  78. Shitole Sanjay, Y. S. Rao and B. Krishna Mohan, "Influence of speckle filtering on polarimetric SAR data," PolInSAR 2013, 2013, Frascati. Manavalan R., YS Rao, BK Mohan, G Venkataraman, C Subrata, Landuse/landcover based flood area assessment using L-and C-band SAR data of coastal region of Andhra Pradesh, India, Asia-Pacific Synthetic Aperture Radar ," Asia Pacific Synthetic Aperture Radar (APSAR-2013), 2013, Tsukuba.
  79. Shitole Sanjay, Deo Rinki, Y. S. Rao and B. Krishna Mohan, "Speckle filters evaluation based on separability and polarimetry index," PolInSAR 2013, 2013, Frascati.
  80. Ponnurangam, G. and Y. S. Rao "Retrieval of soil moisture using extended polarimetric surface Scattering models," PolInSAR 2013, 2013, Frascati.
  81. Ponnurangam G. G. and Y. S. Rao "Soil moisture inversion using dual polarimetric TerraSAR-X SAR-X Data," PolInSAR 2013, 2013, Frascati.
  82. Ponnurangam G. G., Y. S. Rao, Shiv Mohan and Anup Das. .Soil moisture estimation using fully polarimetric RADARSAT-2 data., presented at Geomatrix.12 held at IIT Bombay during Feb 26 - 29, 2012.
  83. Ponnurangam G. G., and Y. S. Rao, .Soil moisture mapping using fully polarimetric SAR data., presented at symposium of ISRS held at Bhopal during Nov 9-11, 2011
  84. Rao Y.S., Chandrakant Ojha and Rinki, Persistence Scatterer interferometry for surface movement mapping over Himalayan region, Proc. Asia-Pacific conference on SAR, Seoul, Korea, Sept. 26-30, 2011, pp. 610-613.
  85. Ponnurangam G.G., and Y.S. Rao, Soil moisture mapping using ALOS PALSAR and ENVISAT ASAR data over India, Proc. Asia-Pacific conference on SAR, Seoul, Korea, Sept.26-30, 2011, pp.606-609.
  86. Varsha Turkar, Rinki Deo, S. Hariharan and Y.S. Rao, Comparison of classification accuracy between fully polarimetric and dual-polarimetric SAR images, Proc. IGARSS 2011, Vancouver July 24-29 2011, pp.440-443, 2011.
  87. Deepika Rani Gopu, Rinki Deo and Y. S. Rao, Synthetic Aperture Radar Signal Processing using MATLAB for Educational use, presented during the symposium of ISRS held at Lonavala during Dec. 1-3, 2010.
  88. S Hariharan Kalpagam and Y. S. Rao, Classification of SAR Images using different Polarization and Frequency Combinations, presented during the symposium of ISRS held at Lonavala during Dec. 1-3, 2010.
  89. Chandrakant Ojha and Y.S. Rao, Analysis of Aqua AMSR-E L3-Daily Soil Moisture Product for Flood Mapping over Andhra Pradesh and Karnataka Test Areas, presented during the symposium of ISRS held at Lonavala during Dec. 1-3, 2010.
  90. Varsha Turkar and Y.S. Rao (2011), Classification of SIR-C and ALOS PALSAR data using artificial neural network, Geomatrix-11 conference, held at IIT, Bombay, Feb. 26-27, 2011.
  91. Varsha Turkar and Y. S. Rao, Effect of different target decomposition techniques on classification accuracy for polarimetric SAR data, International conference ICTSM.11 organised by NMIMS, Parle, Mumbai held during 25-27th 2011.
  92. Varsha Turkar and Y.S. Rao, Analysis of multi-frequency SIR-C data over India, International conference ICWET 2011 organised by TCET, Kandivili (E), Mumbai 25-27th 2011.
  93. Rao. Y. S. and. A. Chaudhari (2009), Analysis of 7 years aqua AMSR-E derived soil moisture data over India, Proc. IGARSS 2009 (IEEE Geosci. & RS society), Cape Town, July 13-17, 2009, Vol-III, page 486-489.
  94. Rao Y.S. and varsha turkar (2009), Classification of polarimetric sar data over wet and arid regions of India, IGARSS 2009, Capet Town, July 13-17, 2009,Vol-III, page 892-895.
  95. Vijaya Kumar, G. Venkataraman, Y. S. Rao, SAR interferometry and speckle tracking approach for glacier velocity Estimation using ers-1/2 and terrasar-x spotlight high resolution data, Proc. IGARSS 2009, Capet Town, July 13-17, 2009, Page: Vol-
  96. Rao, Y.S. Analsysis of Aqua AMSR-E L-3 Daily soil moisture product for soil moisture and flood mapping over Indian test areas, paper presented in symposium of Indian Society of Remote Sensing (ISRS), held at Nirma Univeristy Campus, Ahmedabad, Dec. 18-20, 2008.
  97. Rao Y.S. Rao, Free software for InSAR and DInSAR studies, paper presented i in symposium of Indian Society of Remote Sensing (ISRS), held at Nirma Univeristy Campus, Ahmedabad, Dec. 18-20, 2008.
  98. Rao, Y.S., Gulab Singh and G. Venkataraman (2008), Soil moisture mapping using ALOS PALSAR Quad-pol data, Proc. of Int. Conference on Microwave 08, held at Jaipur during Nov. 21-14, 2008, pp.214-216.
  99. Varsha Turkar and Y. S. Rao, (2008), Classification of polarimetric synthetic aperture radar images from SIR-C and ALOS PALSAR, Proc. of Int. Conference on Microwave 08, held at Jaipur during Nov. 21-14, 2008, pp. 438-440.
  100. Rao, Y.S., G. Singh, G. Venkataraman and Snehmani (2008), Application of SAR interferometry for DEM generation and movement studies over Himalayna glaciers, Proc. Natioanl Snow Science Workshop 2008 (NSSW-08), held during 11-12 Jan. 2008, pp.210-217.
  101. Rao, Y.S., V. Kumar, Gulab Singh, G. Venkataraman and Snehmani (2008), The loss of coherence in the InSAR images of Himalayan Glaciers, Proceedings of international workshop on Snow, Ice, Glacier and Avalanches, held at IIT Bombay during Jan. 7-9, 2008, pp.232-239.
  102. Rao, Y.S., A.K. Singh, S. Sharma and G. Venkataraman,i (2007), ENVISAT ASAR Polarimetric Data for soil moisture mapping, PolInSAR workshop 2007, held at Frascati, Italy, 2007.http://earth.esa.int/workshops/polinsar2007/papers/113_rao.pdf
  103. Rao, Y.S. and Sonika Sharma (2006), Monitoring of flood over Gujarat region using AQUA AMSR-E derived surface soil moisture, SPIE Vol. 6412, 641208 (Dec. 12, 2006)
  104. Rao, Y.S., G. Venkataraman and G. Singh (2006), ENVISAT-ASAR data analysis for snow cover mapping over Gangotri region, Proc. SPIE Vol. 6410, 641007 (Dec. 7, 2006)
  105. Gulab Singh, Vijay Kumar, Kishor Mohite, G. Venkataraman, Y. S. Rao, and Snehmani, Snow wetness estimation in Himalayan snow covered regions using ENVISAT-ASAR data, Proc. SPIE Vol. 6410, 641008 (Dec. 9, 2006).
  106. Rao, Y.S., S. Sharma, V. Garg and G. Venkataraman (2006), Soil Moisture Mapping over India using Aqua AMSR-E derived Soil Moisutre Product, Proc. IGARSS 2006, pp. 2999-3002, Denver, CO, USA.
  107. V. Kumar, Y.S. Rao, G. Venkataraman, R.N. Sarwade and Snehmani (2006), Analysis of Aqua AMSR-E derived Snow Water Equivalent over Himalayan Snow Covered Regions, Proc. IGARSS 2006,pp.702-705, Denver, CO, USA.
  108. Alpana Sharma and Y.S. Rao, Educational Application of BAM, Iran Earthquake Data th ENVISAT ASAR data sets through InSAR and DInSAR Techniques, Presented in ISRS symposium, held at Jaipur during Nov. 3-5, 2004.(best poster award was received).
  109. Rao Y.S., G.Venkataraman, K.S. Rao, and A. Snehmani, SAR Interferometry for DEM generation and movement of Indian Glaciers, Proc. of IGARSS 2004, pp. 1128-1131, Vol2, Alaska, USA, 2004.
  110. Rao Y.S., G. Venkataraman, K.S. Rao, Snehmani and P. Mathur, Application of Differntial SAR Interferometry for the movement of Gangotri and Siachen Glaciers, presented in the International Symposium on Snow Monitoring and Avalanches, held at Manali, India, during 16-16 April, 2004
  111. Narvekar P.S., Y.S. Rao, K.S. Rao and G. Venkataraman, Brightness Temperature (TB) Data Analysis from Advanced Microwave Scanning Radiometer (AMSR-E) onboard Aqua Satellite for Snow Cover Mapping, presented in the International Symposium on Snow Monitoring and Avalanches, held at Manali, India, during 16-16 April, 2004. (second best poster award was given).
  112. Ryan M. and Y.S. Rao, PC Based Raw Data Processor for Interferometric SAR Applications, presented in 1st Int. Conference on Microwaves, antenna, propagation and Remote Sensing, held at Jodhpur, India, 15-19 Dec. 2003.
  113. Rao Y.S., Comparison of Software for InSAR Applicatoins, presented in Fringe 2003 workshop, held at Frascati, Italy, Dec.1-5, 2003.
  114. Rao Y.S. and K.S. Rao, Comparison of DEMs derived from InSAR and IRS-1C optical stereo techniques, presented in Fringe 2003 workshop, held at Frascati, Italy, Dec.1-5, 2003. http://earth.esa.int/workshops/fringe03/participants/287/ paper_ysrao_comp_dems_full_paper.pdf.
  115. Rao Y.S. Comparison of foreign and Indian satellite data distribution systems and requirement for NRSA Viewer, Proc. 13th User Interactoin Meet, NRSA Data Centre, Hyderabad, Feb. 26-27, 2003.
  116. Rao Y.S., K.S. Rao, M. Khare and A. Kaushal, Comparison of optical stereo and InSAR derived DEMs, Proc. of "Advances in Microwave Symposium" held in CSRE, IIT, Bombay during Jan. 21-23, 2003.
  117. Mahato B.C., Ahok Kumar, Y.S. Rao, G. Venkataraman, and Snehmani, SAR Data Analysis for mapping Beaskund Glacier, Proc. of National Symposium on Remote Sensing and GIS, held at CSRE, IIT, Bombay during Dec. 5-7, 2001
  118. Rao K.S., Y.S. Rao, D. Jayanand and Prithviraj, Field Experimetns Synchronous with SRTM flights, Proc. IGARSS 2001 (CD-ROM) held in Sydney, Australia, July 9-13, 2001.
  119. Rao, K.S., Y.S. Rao, J. Kannan and B.S. Pani, Application of Remote Sensing for Bhuj Earthquake, Proc. Recent Earthquakes of Chamoli and Bhuj, pp. 217-224, held in Agra,May 24-26, 2001
  120. Rao Y.S., K.S. Rao, G. Venkatarama, Application of SAR Interferometry to Himalayan glaciers for DEM generation and movement studies, Proc. Remote Sensing and Mountain meteoreology, held in Manali during Nov. 2000.
  121. Rao K.S., Y.S. Rao, C. Rama Prabha, G. Venkataraman and M.V. Khire, Differential InSAR Research at IIT Bombay - Simulation Experiments Synchronous with ERS 1/2 Tandem Passes, Proc. of Fringe'99, held at Leige, Belgium, Nov.10-12, 1999. http://earth.esa.int/pub/ESA_DOC/fringe1999/Papers/rao.pdf
  122. Rao K.S. and Y.S. Rao and SAR Interferometry for topography and glacier movement, Proc. of National snow science workshop (NSSW) proceedings, will be published soon, (workshop was held at Manali during 29-30, Oct. 1999).
  123. Rao K.S., Y.S. Rao and R.K. Midha, Indian SAR interferometry research and educational programs, will appear in proceeding of 2nd International symposium on Operatinalisation of Remote Sensing, held at ITC, Netherlands, August 16 - 20, 1999. http://www.itc.nl/symposia/index.html
  124. Rao K.S. and Y.S. Rao, SAR Interferometry and Glaciology Applications, Proc. of Snow, Ice and Glaciers - A Himalayan Perceptive symposium, held at Lucknow, March 9-11, 1999
  125. Rao Y.S. and K.S. Rao, Comparison of models for soil moisture estimation using SIR-C data, presented in ISPRS symposium held in Nov.24-25, 1997 at Hyderabad, India.
  126. Rao, K.S. and Y.S. Rao, Soil moisture estimation using SIR-C data: A case study over Bhavnagar test site, India. Presented in IGARSS'97 symposium, Singapore, August 4-8, 1997.
  127. Rao K.S. and Y.S. Rao, Field experiments synchronous with ERS-1 and 2 tandem mission for the simulation of neotechtonic movement, Proc. 3rd ERS-1 symposium, held at Florence, 17-20 March, ESA SP-414, Vol. 1, pp. 429-433,1997.
  128. Rao Y.S., K.S. Rao, Decomposition of Stokes matrix of SIR-C data into odd, even and depolarization components, Presented in the Symposium of Indian Society of Remote Sensing, held at Pune, India, December 4-6, 1996.
  129. Rao Y.S. and K.S. Rao, Study of vegetation through polarization phase difference using SIR-C data, presented in the Symposium of Indian Society of Remote Sensing, held at Pune, India, December 4-6, 1996.
  130. Rao Y.S. and K.S. Rao, Polarimetric signatures of various land features over Gujarat test site using SIR-C data, Presented in the Indo-US Symposium held at IIT, Bombay, October 6-9, 1996.
  131. Jai S. Sukhatme, V. Walavalkhar, Y.S. Rao, G.Venkataraman, M.V. Khire and K.S. Rao, Development of SAR Interferometry at IIT, Bombay, India, Proc. of IGARSS'96 symposium held at Lincoln, Nebraska, USA, during 27-31 May 1996r, Vol. 1, pp.430-433.
  132. Rao K.S., Y.S. Rao, L. Venkataratnam and P.V.N. Rao, Potential of SIR-C data to study vegetation over Gujarat test site, Proc. of IGARSS'96 symposium held at Lincoln, Nebraska, USA, during 27-31 May 1996, Vol. 1, pp.201-203.
  133. Rao Y.S., P.V.N. Rao, L. Venkataratnam and K.S. Rao, ERS-1 and JERS-1 SAR data analysis for soil moisture and vegetation, Proc. of IGARSS'96 symposium held at Lincoln, Nebraska, USA, during 27-31 May 1996, Vol. 1, pp.163-165,
  134. K.S Rao and Y.S. Rao, The potential of JERS-1 L-band SAR data to discriminate soil moisture levels and vegetation types, Proc. of Results repor- ting meeting of JERS-1 system verification program, held in Tokyo during Nov. 29-Dec. 1, 1994, Vol 2. pp.46-54.
  135. Rao K.S., Y.S. Rao and G. Ijjas, Soil moisture estimation from multifrequency microwave radiometer data based on statistical inversion technique, Proc.ESA/ NASA International Workshop, held at Saint Lary, France, pp.475- 484, VSP 1994.
  136. Rao Y.S., K.S. Rao, M. Jafrullah, B.K. Mohan and M.V. Khire, Combined use of Intera X-band SAR, ERS-1 SAR and IRS-1A data for agricultural applications, Proc. National Symposium on Microwave Remote Sensing and Users'meet, Ahmedabad, India, pp. 161-166, Jan. 1994.
  137. Rao K.S., Y.S. Rao and M.V. Khire, Polarimetric AIRSAR data analysis for soil moisture mapping, Presented in the Symposium of Indian Society of society of Remote Sensing, Nov. 25-27, 1993, Guwahati, India.
  138. Rao K.S., Y.S. Rao and J.R. Wang, Frequency dependence of polarization phase difference and polarization index for vegetation covered fields using polari- metric AIRSAR data, Proc. IGARSS '93 symposium, held in Tokyo, Japan, August 1993. Vol. 1, pp. 37-39.
  139. Ijjas G., Y.S. Rao, F. Horcher, Z. Vargai and L. Aujeszky, Soil moisture estimation using truck-mounted L-, S-, and thermal-infrared radiometers and different theoretical models, Proc. 11 th EARSeL Symposium, July 1991, pp. 216-223.
  140. Rao K.S., Suresh Raju and Y.S. Rao, Model for the retrieval of soil moisture and surface roughness parameters from multifrequency backscattering coefficients, Proc. of IGARSS '91, symposium, Espoo, Finland, 397-400, 1991.
  141. Ijjas G., K.S. Rao and Y.S. Rao, Efficiency of 1.4 and 2.7 GHz radiometers data for the retrieval of soil moisture profile, Proc. of IGARSS symposium held at Espoo, Finland during June 3-6, 1991, 765-768, 1991.