Title :
Soil moisture measurements at global scale using active and passive microwave sensors
Author :
Palsocia, S. ; Macelloni, Giovanni ; Pampaloni, Paolo ; Santi, Emanuele ; Koike, Toshio
Author_Institution :
IROE, CNR, Florence, Italy
Abstract :
The last results obtained by the authors´ group in soil moisture measurements using both airborne and satellite microwave data are shown. Although the best suitable frequency for obtaining soil moisture is 1.4 GHz, available data from satellite are in frequency ranges much more affected by vegetation. To correct the effect of vegetation at C-band an algorithm using the polarization index at X-band has been proposed. Moreover, the possibility of using the C-band Wind scatterometer of ERS for measuring soil moisture at a large scale has been tested
Keywords :
hydrological techniques; moisture measurement; radiometry; remote sensing; remote sensing by radar; soil; spaceborne radar; 1.4 GHz; C-band; ERS; SHF; Wind scatterometer; X-band; algorithm; global scale; hydrology; microwave radiometry; polarization index; radar remote sensing; remote sensing; soil moisture; spaceborne radar; Frequency; Large-scale systems; Microwave measurements; Moisture measurement; Polarization; Radar measurements; Satellites; Soil measurements; Soil moisture; Vegetation;
Conference_Titel :
Geoscience and Remote Sensing Symposium, 2000. Proceedings. IGARSS 2000. IEEE 2000 International
Conference_Location :
Honolulu, HI
Print_ISBN :
0-7803-6359-0
DOI :
10.1109/IGARSS.2000.858080
