1.2.2.1.2.2. XBT measurements in the XBT measurements in the Southern AdriaticSouthern Adriatic

Mira Morović, Vlado Dadić, Frano Matić,

Branka Grbec, Stipe MuslimInstitute of Oceanography and Fisheries, Split, Croatia

Dubrovnik-Bari routeDubrovnik-Bari route

Transects

December 2002

Results

Comparison of 2003 and 2006Comparison of 2003 and 2006

temperature (o

C)

latit

ude

(oN

)

41.2

41.4

41.6

41.8

42.0

42.2

42.4

42.6

42.8

13.1 13.3 13.5 13.7 13.9 14.1 14.3 14.5

800m900m1000m

800m900m1000m

July 2003

July 2006

ConclusionsConclusions Obtained are high resolution temperature profiles, more stations than in 2003

The layers bellow 50m to the bottom at the west side have been as usually colder than the same layers at the east side.

The conditions at the west side are caused by a flow of colder deep water from the north..

The warmer conditions on the east side of the south Adriatic transect are caused by the flow of LIW through the Otranto Strait.

The waters of the south Adriatic transect in the year 2006 have been slightly colder than in the year 2003 which was, according to meteorological data an exceptional year, with especially warmer summer, but colder winter.

Near real time observation can inprove oceanographic forecasting

Air temperature daily mean course Air temperature daily mean course from from the the ship meteorological station ship meteorological station and coastal meteorological stationsand coastal meteorological stations..

Air temperature from shipborn meteorological station and sea temperature from XBT measurements during the last XBT campaign in October.

Time table:

Techno-El meteo station on the ferry MARCO POLO

Meteo station received: April 15, 2006April 15, 2006

Request to Jadrolinija for permission for mounting the station :April 22, 2006April 22, 2006

Permission received: July 12, 2006July 12, 2006.

Mounting of the Techno-El meteo station:

July 23, 2006July 23, 2006 from 10 to 17h30’ from 10 to 17h30’

Place: Port of Bari

Mr Montani from Techno El comp.

Meteo-station components:Meteo-station components:

Campbell logger CR1000 with accumulator and power supplay

Satellite modem

Time interval: 10 seconds

Sensors:

Air temperature,

Air humidity

Air pressure

Meteo station manual

Meteo station assemblingMeteo station assembling

Campbell CR1000 logger

Satellite modem

Rechargable battery

Voltage regulator

Main switch regulator

Box with logger

Globstar antenna

Temperature &Pressure sensors

Missing components:Missing components:

Sensors: wind speed wind direction.

GPS system for registration position of ferryGPS system for registration position of ferry

Original Campbell comunication software

Licence for GLOBSTAR communication (for receiving real / near-real time data)

Reconstruction of ferry Marko Polo position:

-Monday 20h – Tuesday 17h

-(Rijeka-Split (630h)-Dubrovnik route)

-Tuesday 23h – Wednesday 7h (Dubrovnik - Bari trensect)

-Wednesday 22h – Thursday 7 h (Bari – Dubrovnik transect)

-Thursday 20h – Friday 17h (Dubrovnik-Split (630h)-Rijeka route)

Data processingData processing

1. Data validation

(the procedure developed in EACE project)

2. Data comparison with regular meteorological stations

(Dubrovnik, Lastovo, Palagruza, Bari, etc.)

Use of the standard procedure for processing of meteo parameters

Processing and comparison of data values along the transect at the predefined interval

QUESTIONSQUESTIONS

Position of meteo-station on board:Position of meteo-station on board:

Is it the most appropriate? (Shadow, albedo) Is it the most appropriate? (Shadow, albedo)

Have we followed all the procedures for automatic Have we followed all the procedures for automatic meteo stations on board? meteo stations on board?

Adjustment of measuring interval (10” now)Adjustment of measuring interval (10” now)

PRELIMINARY RESULTSPRELIMINARY RESULTS

Data dowloaded from station for the period: Data dowloaded from station for the period:

September 4 – September 8

Dubrovnik-BariDubrovnik-Bari Bari-DubrovnikBari-Dubrovnik

21.4

21.6

21.8

22

22.2

22.4

22.6

1

16

31

46

61

76

91

10

6

12

1

13

6

15

1

16

6

18

1

19

6

21

1

22

6

24

1

25

6

27

1

28

6

30

1

31

6

33

1

34

6

86

86.5

87

87.5

88

88.5

89

89.5

90

90.5

91

1

17

33

49

65

81

97

11

3

12

9

14

5

16

1

17

7

19

3

20

9

22

5

24

1

25

7

27

3

28

9

30

5

32

1

33

7

35

3

1020.8

1021

1021.2

1021.4

1021.6

1021.8

1022

1

21

41

61

81

10

1

12

1

14

1

16

1

18

1

20

1

22

1

24

1

26

1

28

1

30

1

32

1

34

1

Measuring values of AT,AP and AH

September 4, 23-24h