Title :
Comparison of TRMM estimated rainfall with ground truth over Calcutta
Author :
Maitra, Animesh ; Jaiswal, Rajasri Sen ; Fredrick, Sonia R. ; Neela, V.S. ; Chakraborty, Kaustav ; Adhikari, Arpita ; Bhattacharya, Aniruddha ; Rasheed, M. ; Zaveri, Leena
Author_Institution :
S.K. Mitra Centre for Res. in Space Environ., Calcutta Univ., Kolkata, India
Abstract :
The precipitation radar (PR) onboard Tropical Rain Monitoring Mission (TRMM) estimates rainfall from space covering a vast geographical area. It is necessary to compare such estimates with ground truth. In this paper PR estimated rain has been compared with that obtained from India Meteorological Department (IMD) and also a disdrometer over Calcutta. PR estimated rainfall statistics have been presented along with IMD derived rainfall statistics. Regression relationships of rainfall have been derived as a function of surface temperature (DBT) and surface dew point temperature (DPT). Also rainfall phenomena have been studied as a signature of El Niño and La Niña occurrence.
Keywords :
atmospheric temperature; rain; Calcutta; El Nino; IMD rainfall statistics; India; India Meteorological Department; La Nina; PR estimated rainfall statistics; TRMM estimated rainfall; Tropical Rain Monitoring Mission rainfall estimation; disdrometer; precipitation radar; surface dew point temperature; surface temperature; Clouds; Computerized monitoring; Ice; Ocean temperature; Radar; Rain; Sea measurements; Sea surface; Space technology; Statistics; EL-NINO; LA-NINA; Rainfall; TRMM;
Conference_Titel :
Computers and Devices for Communication, 2009. CODEC 2009. 4th International Conference on
Conference_Location :
Kolkata
Print_ISBN :
978-1-4244-5073-2
