NIAS Wednesday Discussion: "Drought Severity Assessment & its Mapping in the Drier Regions of Karnataka" by Jayasree Vaidyanathan, Lecture Hall, NIAS, 0930 hrs

NIAS Wednesday Discussion


 Drought Severity Assessment & its Mapping in the Drier Regions of Karnataka



Jayasree Vaidyanathan

Principal Investigator, Water Programme, NIAS


Chairperson:D Suba Chandran, Professor, International Strategic & Security Studies Program, NIAS,       

19th April, 2017, 9.30 am, Lecture Hall, NIAS


Abstract: Drought is one of the major natural disasters that impact the amount of water available; thereby causing emergencies for human lives. Therefore, a detailed monitoring of droughts on spatial and temporal scales is essential to control such disaster for sustainable economy. The present study focuses on i) drought assessment with an aim to understand the drought vulnerability estimates and ii) map drought severity in drought prone northern interior parts of Karnataka. Drought severity were estimated using Ponce et al (2000) model which characterizes drought based on the intensity, duration and recurrence interval from  mean annual precipitation and annual global terrestrial precipitation. Daily rainfall data from 178 stations spread across seven vulnerable districts of Karnataka for a period of 50 years has been used to assess drought parameters. Drought conditions were interpreted for each of these locations and the map is prepared using geographic information system. The presentation shares the outcome of the study in developing understanding the pattern, severity, extent of drought that could be of valuable to civic agencies and water management professionals while planning drought mitigation measures.

About the Speaker: Dr. Jayasree Vaidyanathan has a Ph.D in Hydrometeorology and specialisation in remote sensing and Geographic Information Systems.  Her research interests are on looking at how climate and man-made changes affects hydrological functions of river catchments, flood and drought modelling,  how cities cope with water stress and also on water, sanitation and hygiene in rural areas and in urban slums.

All are cordially invited

 * * *

For further info, please contact Sangeetha Menon [ or] and D. Suba Chandran [], Coordinators of NIAS Wednesday Discussion Meetings, and NIAS Discussion Reports.

* * * * * *





Wednesday, April 19, 2017