Radio Science


GNSS Reflectometry and Occultations, 2011
    1. You have free access to this content
      Three months of local sea level derived from reflected GNSS signals

      J. S. Löfgren, R. Haas, H.-G. Scherneck and M. S. Bos

      Article first published online: 8 NOV 2011 | DOI: 10.1029/2011RS004693

      Key Points

      • Standard geodetic GNSS receivers can measure reflections from the sea surface
      • Possible to monitor the sea-level using regular single difference processing
      • From the GNSS-based tide gauge results we find significant ocean tidal signals
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      GNSS-R ground-based and airborne campaigns for ocean, land, ice, and snow techniques: Application to the GOLD-RTR data sets

      E. Cardellach, F. Fabra, O. Nogués-Correig, S. Oliveras, S. Ribó and A. Rius

      Article first published online: 25 OCT 2011 | DOI: 10.1029/2011RS004683

      Key Points

      • A large data set of GNSS-R observations is made available for research
      • The potentially applicable models, applications, and techniques are reviewed
      • The data content is detailed, together with open issues for research
    3. You have free access to this content
      Review of crop growth and soil moisture monitoring from a ground-based instrument implementing the Interference Pattern GNSS-R Technique

      N. Rodriguez-Alvarez, X. Bosch-Lluis, A. Camps, A. Aguasca, M. Vall-llossera, E. Valencia, I. Ramos-Perez and H. Park

      Article first published online: 15 OCT 2011 | DOI: 10.1029/2011RS004680

      Key Points

      • GNSS-R instrument and technique test
      • Soil moisture retrieval result
      • Vegetation height retrieval result
    4. You have free access to this content
      Improving the accuracy of sea surface salinity retrieval using GNSS-R data to correct the sea state effect

      E. Valencia, A. Camps, N. Rodriguez-Alvarez, I. Ramos-Perez, X. Bosch-Lluis and H. Park

      Article first published online: 24 SEP 2011 | DOI: 10.1029/2011RS004688

      Key Points

      • Use GNSS-R measurements to directly describe the sea state
      • From GNSS-R data correct ocean L-band brightness temperature measurements
      • Use corrected brightness temperature to improve sea surface salinity retrieval

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