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MIRNA A PORTONSKI MOST
STATION IDENTIFICATION

Country : Croatia - River Name : Mirna - Major Basin : Adriatic Sea
Station Name : Portonski most - Station Code or number :6026
Coordinates : 45°21' N latitude - 13°44' E longitude and 1,82 m above sea level
Catchment area : 483 sq km - Date Station Opened : 1955

CHANNEL CHARACTERISTICS
Channel Geometry : 39 m width and 10 m depth
with stable/fair river bed cross-section, underlain by : flish
The river bed is natural/man made : manmade
Describe the hydraulic conditions within the measuring station : good conditions

HYDROLOGICAL REGIME
Natural or influenced flow : natural
with slow rise or flash floods : slow rise and flash floods
Annual max. and min. mean flow : 178; 0,3; 6,0m³/s

EQUIPMENT AND PERSONNEL
Equipment installed and status : limnigraph (limnigram paper) - status : Hydrometeorological Institute, Croatia
Gauging equipment and status : current meter - status : Hydrometeorological Institute, Croatia
Observer or watchman : yes

VOLUME AND QUALITY OF INFORMATION AVAILABLE
DAII : 144 (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 : 4 per year
Highest water level observed : 615 cm - Date : 18.11.1975
Highest water level at which dm taken : 547 cm - Date : 3.10.1984
Lowest water level observed : - 30 cm - Date : 16.08.1993
Data storage medium (computerized or not) : not computerized (limnigram paper)
Data dissemination medium (diskette or hand filled form) : hand filled form
Status of the database (which data, currently updated or not) : water level, discharge, water temperature, currently updated

OPERATION AND MAINTENANCE (O & M)
Number of visits currently undertaken per year : every day
Ease of access : yes
Ease of flow measurement (describe) : yes
Technique(s) used for discharge measurement (wading, bridge, slope area, etc.) : wading, bridge
Equipment used in discharge measurement : current meter
Equipment used in stage measurement : limnigraph
Operation and maintenance budget per annum for the station : 1300 $ US

BENEFITS AND INTEREST
Current use of the data and who uses it (describe) : state water management
Estimated revenue from use of data (if charges are raised) per annum : unknown
Expected future use and where will it be used (describe) : agriculture
Additional data needed (which ones) : water quality
Real time needed (for what purposes) : no

SERVICE ORGANIZATION
Name : SINCIC IVAN
Organization : Hydrometeorological Institute of Croatia
Address : 10000 ZAGREB, gric 3, Croatia - tel : 385 1277201 - fax : 385 1273325
Number of staff :

Form filled by : Milan Zupan
Title : dipl. ing.
Date : 17.07.1995
Address : 10000 ZAGREB, gric 3, Croatia