Monitoring changes in rice cropping systems using space-borne SAR imagery

Author

Liew, S.C. ; Chen, P. ; Kam, S.P. ; Tuong, T.P. ; Minh, V.Q. ; Lim, H.

Author_Institution

Centre for Remote Imaging, Sensing & Process., Nat. Univ. of Singapore, Singapore

Volume

2

fYear

1999

fDate

1999

Firstpage

741

Abstract

Multitemporal ERS and RADARSAT synthetic aperture radar (SAR) images were acquired over the rice cropping areas in the Mekong River Delta, Vietnam from May 1997 to May 1998. Thematic classes of rice cropping systems were derived from ERS SAR images. Change in rice cropping system in a traditionally double cropping rainfed rice area was detected. Irrigation canals were recently constructed in this area, enabling a third irrigated crop to be planted during the dry season. The presence of the irrigated crop was detected using SAR images acquired during the dry season. Backscatter time series for ERS and RADARSAT SAR were also compared

Keywords

agriculture; geophysical techniques; remote sensing by radar; spaceborne radar; synthetic aperture radar; vegetation mapping; AD 1997; AD 1998; ERS; Mekong River Delta; Oryza sativa; RADARSAT; SAR image; SAR imagery; Vietnam; agriculture; change monitoring; cropping system; crops; double cropping rainfed rice; geophysical measurement technique; image sequence; irrigated crop; irrigation canal; land surface; multitemporal image; radar remote sensing; spaceborne radar; synthetic aperture radar; terrain mapping; thematic class; vegetation mapping; Backscatter; Crops; Irrigation; Monitoring; Polarization; Radar detection; Radar imaging; Satellites; Spaceborne radar; Synthetic aperture radar;

fLanguage

English

Publisher

ieee

Conference_Titel

Geoscience and Remote Sensing Symposium, 1999. IGARSS '99 Proceedings. IEEE 1999 International

Conference_Location

Hamburg

Print_ISBN

0-7803-5207-6

Type

conf

DOI

10.1109/IGARSS.1999.774425

Filename

774425