Streamflow levels are a ...
Published by Gema Alatas, Indonesian society of water
Streamflow levels are a useful indicator for drought as well as floods, but they must be used with considerable caution. For streams that are regulated, the streamflow may reflect management decisions at upstream reservoirs which will not reflect true drought conditions. Streams that are unregulated are better for drought monitoring. A hydrograph is used to show stream discharge (water level) over time.
You can checak these site http://www.ewra.net/ew/pdf/EW_2008_23-24_06.pdf
Here SDI calculations are given. Hope this work. Best luck with your work.
And National Tech University of Athens has some software dev - http://www.ewra.net/drinc/ must be free to download. (its called DrinC software)
You can checak these site http://www.ewra.net/ew/pdf/EW_2008_23-24_06.pdf
Here SDI calculations are given. Hope this work. Best luck with your work.
And National Tech University of Athens has some software dev - http://www.ewra.net/drinc/ must be free to download. (its called DrinC software)