Respected sir,

i do not think if the problem is very complicated.

i think you can as well develop a correlation between the stations and extend
the data. i feel there are good no. of methods to estimate the data. the
catchment is hilly and the precipitation is mainly orographic. as i see, the
precipitation is higher at xanthi, medium at gerakas and again slightly higher
at oraiou. its better if you can have the toposheets.

if you think i can help you in any way, please send me the data with all the
information. i shall provide you with the final data.
i am currently working with hydro power projects.

if your accuracy limit is not very high, i can solve your problem.

Thanking you sir,
Ranjit,
Hydrologist.


geopapaioa <geopapaioa@...> wrote: The first
rainfall station (xanthi station)is at 100 m altitude and i
have all the rainfall data from 1980-2000. The second rainfall station
(gerakas) is at 340 m altitude and i have the data from 1980-1998 but
there are missing many years and a lot of months from this data(only 6
years are full). The third station (oraiou) is at 640 m altitude and i
have the data from 1980-2007 but there are missing many years and a
lot of months from this data. The watershed area is about 260 km2 .
The highest level of the watershed is 1300 m and the lower 100 m. I
have no other stations in the research area. What i want to do is to
complete the rainfall data of station gerakas and oraiou from the data
of xanthi station(for their same years 1980-1998). The fact is that
there are no other stations in the area working and the most near
station is about 50 km in other watershed with data off enough
difference(so i can not use the data, non homogeneous).I would like to
thanks all off you that have reply on my message. I am waiting for new
ideas and answers to my problem. Thank you very much dear Dr S.H.R.
Sadeghi for the tips