1. Retrieval of Regional Rainfall from MADRAS Imager ofMegha Tropiques Retrieval of Regional Rainfall from MADRAS Imager of Megha Tropiques

2. CELL CONNECTIVITY DISTRIBUTED HYDROLOGICAL MODEL COMPUTATIONS RAINFALL EXCESS AT EACH CELL Rainfall rate Runon from upslope area Soil infiltration rate FLOW ROUTING FROM EACH CELL SOIL EROSION FROM EACH CELL RAINFALL RUNON RUNOFFINFILTRATION CELL REPRESENTATION SPATIAL DATABASE DEM FLOW DIRECTION SLOPE LANDUSE SOIL AUXILIARY DATA

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

4. Time = 10 min 20 min 30 min 40 min Time = 50 min 60 min 70 min 80 min Flow Depth Computed Spatial Distribution of Flow Depth in Catsop

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. Network Input    Y Network Output X Input Layer Hidden Layer Output Layer Configuration of Feed forward Three Layer ANN

8. W j1 W jn WXWX fjfj YjYj Output Transfer Function RjRj Bias Term  X i1 X in Inputs Y j = f(X W j - b j ) bjbj Transig Purelin Use of Artificial Neural Networks shall be investigated for retrieval of regional rainfall from MADRAS microwave imager Schematic Diagram of a Node

9. MADRAS is a microwave imager with conical scanning which has the characteristics as below FrequenciesPolarizationPixel SizeMain use 18.7 Ghz ± 100 Mhz H + V 40 km ocean rain and surface wind 23.8 Ghz ± 200 Mhz V 40 km integrated water vapor 36.5 Ghz ± 500 Mhz H + V 40 km cloud liquid water, precip. 89 Ghz ± 1000 Mhz H+V10km deep convection areas 157 Ghz ± 1000 Mhz 157 Ghz ± 1000 Mhz H + V 6 km cloud top ice, rainfall over land areas