Retrieval of Regional Rainfall from MADRAS Imager of Megha Tropiques

1
Retrieval of Regional Rainfall from MADRAS
Imager of Megha Tropiques
2
DISTRIBUTED HYDROLOGICAL MODEL COMPUTATIONS
3
Results for Distributed Information

• Jain, Kothyari and Ranga Raju (November, 2004)
• Journal of Hydrology
• Jain, Kothyari andRanga Raju (August, 2005)
• Journal of Hydraulic Engineering (ASCE)

4
Computed Spatial Distribution of Flow Depth in
Catsop
Flow Depth
5
Studies on ERS 2-SAR microwave data for retrieval
of soil moisture over Solani watershed

• Haider, Saif, Kothyari and Arora
• Hydrological Sciences Journal (2004)

6
OBECTIVES
To develop models relating the brightness
temperature with land precipitation on regional
scale Use of data mining algorithms for
precipitation estimation
Rajurkar, Kothyari and Chaube, Journal of
Hydrology (2004) Jain, Kothyari and Chaube,
Hydrological Sciences Journal (2003)
7
Configuration of Feed forward Three Layer ANN
8
Use of Artificial Neural Networks shall be
investigated for retrieval of regional rainfall
from MADRAS microwave imager
Schematic Diagram of a Node
Bias Term
Wj1
Xi1
bj
? ? ?
?WX
Rj
Yj
Inputs
fj
Output
Transfer Function
Wjn
Transig Purelin
Xin
Yj f(X Wj - bj)
9
MADRAS is a microwave imager with conical
scanning which has the characteristics as below
10
THANKS