Table 1. Values of km and I1/2m calculated at given time intervals from 51 profiles of phytoplankton production, fluorescence, and underwater irradiation at 23 stations of the Baltic Sea. Presented also are cruise and station numbers, dates and areas of measurements.

Areas: 1 - central waters; 2 - the Bay of Riga; 3 - the Lithuanian coast; 4 - the Bay of Gdansk; 5 - the Pomorskaya Bay; 6 - the coastal waters between 4 and 5;.

* - the results were averaged over several measurements.

 

Cruise

St

Date

Area

km*105, rel. un.

I1/2m, mE m-2 s-1

 

 

 

 

3-6

6-9

9-12

12-15

3-6

6-9

9-12

12-15

1

1

23.06.93

5

-

4.64

5.48

-

-

155

167

-

 

2

26.06.93

5

5.60

4.92

4.8

5.60

134

164

135

161

 

3

28.06.93

4

5.28

5.48

6.20

5.20

170

134

144

128

 

4

30.06.93

3

5.60

5.32

4.32

4.44

176

116

107

124

 

5

01.07.93

3

5.00

5.52

-

-

113

100

-

-

 

6

09.07.93

2

4.72

4.60

5.88

5.60

188

95

134

139

 

7

10.07.93

2

5.00

4.80

4.44

5.00

170

134

140

155

 

 

 

 

 

 

 

 

 

 

 

 

2

8

13.05.93

1

-

-

4.92

-

-

-

124

-

 

9

14.05.93

1

-

-

5.68

-

-

-

118

-

 

10

15.05.93

4

-

-

5.80

-

-

-

178

-

 

11

10.05.93

5

-

-

8.44

-

-

-

145

-

 

 

 

 

 

 

 

 

 

 

 

 

3

12

28.09.93

5

-

-

5.48

-

-

-

164

-

 

13

29.09.93

5

-

-

7.24

-

-

-

104

-

 

14

30.09.93

5

-

-

7.96

-

-

-

110

-

 

 

 

 

 

 

 

 

 

 

 

 

4

15

09.05.94

1

-

-

5.60

-

-

-

125

-

 

16

11.05.94

5

-

-

8.60

-

-

-

115

-

 

17

13.05.94

6

-

-

5.28

-

-

-

140

-

 

 

 

 

 

 

 

 

 

 

 

 

5

18

08.09.95

3

-

-

6.08

5.48

-

-

98

127

 

19

09.09.95

3

-

-

5.32

-

-

-

145

-

 

20*

10.09.95

1

-

5.40

5.48*

6.20*

-

148

190*

121*

 

21

12.09.95

1

-

-

5.88

-

-

-

133

-

 

22*

13.09.95

1

-

5.60

5.76*

7.44*

-

180

165*

138*

 

23

14.09.95

1

-

-

5.12

-

-

-

131

-