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MESTA A MOMINA KULA
STATION IDENTIFICATION

Country : Bulgaria - River Name :Mesta - Major Basin : Aegean Sea
Station Name : Momina kula - Station Code or number :52800
Coordinates : 41°43' N latitude - 23°42' E longitude and 586,23 m above sea level
Catchment area : 1510 sq km - Date Station Opened : July 22, 1927

CHANNEL CHARACTERISTICS
Channel Geometry : 40,50 m width and 2,30 m depth with stable river bed
The river bed is natural
Describe the hydraulic conditions within the measuring station : flat river bed, rectilinear river section with small longitudinal slope

HYDROLOGICAL REGIME
Influenced flow with flash floods
Multiple annual abs. max. and min. mean flow : 524 cu m/s; 0,86 cu m/s

EQUIPMENT AND PERSONNEL
Equipment installed and status : small house to protect the devices
Gauging equipment and status : water level gauge with continuous record on paper. the latest is not in operation since January 1, 1993
Observer or watchman : watchman

VOLUME AND QUALITY OF INFORMATION AVAILABLE
DAII : continuous measurement and availability since 1927
(Discharge Available Information Index :
number of monthes with complete discharge information / number of observed years / 12)
Rating curve status (currently updated or not) : currently updated
Number of discharge measurements (dm) available : from 12 to 25 times per year
Highest water level observed :356 cm - Date :March 15, 1962
Highest water level at which dm taken : - Date :
Lowest water level observed :51 cm - Date :August 22, 1946
Data storage medium (computerized or not) : computerised
Data dissemination medium (diskette or hand filled form) : hand filled form
Status of the database (which data, currently updated or not) : water levels and discharges, currently updated

OPERATION AND MAINTENANCE (O & M)
Number of visits currently undertaken per year : 12
Ease of access : easy access
Ease of flow measurement (describe) : easy measurement
Technique(s) used for discharge measurement (wading, bridge, slope area, etc.) : measurement bridge
Equipment used in discharge measurement : current meters
Equipment used in stage measurement : foot gauge only (since 1993)
Operation and maintenance budget per annum for the station : 1150 $ per annum for the station (including 850 $ direct costs and 300 $ indirect costs

BENEFITS AND INTEREST
Current use of the data and who uses it (describe) : National Water Council, Ministry of Environment, National Electric Company, Design organizations, Water Supply and Irrigation companies, National Institute of Meteorology and Hydrology (for research and operational purposes)
Estimated revenue from use of data (if charges are raised) per annum : the eventual imputs are not possible to be estimated
Expected future use and where will it be used (describe) : in all aspects of water management, flood control and droughts prevention
Additional data needed (which ones) : evaporation factors measurements are essential, primary water quality parameters will be very usefull
Real time needed (for what purposes) : for real-time forecasting and flood protection

SERVICE ORGANIZATION
Name :The NIMH local branches, Dept of Hydrology, Dept of Instruments and Automatation
Organization :National Institute of Meteorology and Hydrology
Address :66 Tzarigradsko Chaussee, 1784 Sofia, Bulgaria
Number of staff :850 fully employed staff members in the country

Form filled by :Dr Todorino Bojkova
Title :Head, Hydrological Division, Hydrological Department
Date : 14.07.95

DCP INSTALLATION





Name                                   : BULGARIA/HYCOS2
Meteosat Identification Code  : 16EB5416
Frequency Channel               : R08
Frequency                            : 402.1225 MHz
First Emission Time              : 01.16.30
Emission Interval                   : 3 h
________________________________

EQUIPMENT :

DCP PM46 V3.3 n° 96016
Meteosat Tranmitter with GPS Receiver
Antenna YAGI
Memory Card 1 Mo n°112 et n°120
Battery 12V / 26Ah
Solar Panel 12V / 20W
Temperature & Level Water Probe CCI n°5225
Air Temperature Sensor PT100 with shelter n°3158
Raingauge 400 cm2 Précis Mécanique 3030 with heater
_________________________________

SITE :

Mesta à Momina Kula :41°43 N 23°42 E
N° OMM = 15720
Send in august 97
First data in july 98