30 28 28 - 24 24.1 - 25 - 30 30.1 - 31 - 24 24.1 - 25 - 30 30.1 - 31 26 - 24 24.1 - 25 - 30 30.1 - 31

N

23.1 - 24 24.1 - 25

25.1 - 26 26.1 - 27 27.1 - 28 28.1 - 29

29.1 - 30 30.1 - 31

31.1 - 32 S S S S S 30 .5 3 .5 29 .0 2 8 .5 29 .0 2 9 .0 2 9 .5

28.5 29

.0 3

1. 5

26 .5 29 .0 28 .0

28.0 2

6 .5

27.5 3

1 .5

28 .5 28 .0

27.0 27.5

3 °0 3 °0 2 °4 2 °4 2 °2 2 °2 2 °0 2 °0 1 °4 1 °4 1 °2 1 °2 1 °0 1 °0 98°40 98°40 99°00 99°00 99°20 99°20 99°40 99°40 100°00 100°00 100°20 100°20 100°40 100°40 101°00 101°00 Padang Pasaman P . P ag ai S ela ta n P . P ag ai U ta ra P . S ip o ra P . S ib er u t Gradien Suhu Darat S Front Awan N

23.1 - 24 24.1 - 25

25.1 - 26 26.1 - 27 27.1 - 28 28.1 - 29

29.1 - 30 30.1 - 31

31.1 - 32 Gradien Suhu Darat S Front Awan S S S S S S S 29 .5

29.0 28

.5 2 5 .0 29 .5 2 5 .5 28.0 2 7 .0 2 6 .5 2 9 .5 28 .0 2 8 .5 27.0

27. 5

3 .0 3 2 .0 31 .0 3 .5 30 .0 28 .0 2 7 .5 25 .0 2 7 .0 2 5 .5 2 6 .0 24 .5 29 .0 2 8 .5 2 9 .5 2 6 .5 32.0 3 °2 3 °2 3 °0 3 °0 2 °4 2 °4 2 °2 2 °2 2 °0 2 °0 1 °4 1 °4 1 °2 1 °2 1 °0 1 °0 98°40 98°40 99°00 99°00 99°20 99°20 99°40 99°40 100°00 100°00 100°20 100°20 100°40 100°40 101°00 101°00 P . S ib er u t P . S ip or a P . P ag ai U ta ra P . P ag ai S ela ta n Pasaman Padang Pasaman Padang P . P ag ai S ela ta n P . P ag ai U ta ra P . S ib er u t P . S ip o ra S S S S S S

30.0 27.5

26.5 30

.5 3 2 .0 32 .0

29.5 28

.5 3 1 .0

30.5 28

.5 32 .0 27.5 3 .5 28 .5 3 .5 30.0 3 °2 3 °2 3 °0 3 °0 2 °4 2 °4 2 °2 2 °2 2 °0 2 °0 1 °4 1 °4 1 °2 1 °2 1 °0 1 °0 98°40 98°40 99°00 99°00 99°20 99°20 99°40 99°40 100°00 100°00 100°20 100°20 100°40 100°40 101°00 101°00 Pasaman Padang P . P ag ai S ela ta n P . P ag ai U ta ra P . S ib er ut P . S ip o ra N

23.1 - 24 24.1 - 25

25.1 - 26 26.1 - 27 27.1 - 28 28.1 - 29

29.1 - 30 30.1 - 31

31.1 - 32 Gradien Suhu Darat Front S Awan Upwelling a b c Gambar 6 Citra SPL di Perairan Mentawai Musim Timur Juni 2006 a, Juli 2006 b dan Agustus 2006 c. N

23.1 - 24 24.1 - 25

25.1 - 26 26.1 - 27 27.1 - 28 28.1 - 29

29.1 - 30 30.1 - 31

31.1 - 32 S S S S S S S S 23.5

24.5 26

.0 25 .5 24 .5 24 .5 25 .5 24 .5

24.5 2

8 .0 27 .5 2 7 .0 2 5 .5 2 4 .5 25 .0 2 6 .0 26 .5 26 .5 27 .0 27 .0

28.0 27.5

27 .5 27 .0 26 .5 24.0 23 .5

27.5 2

9 .0

29.0 P

. S ib er u t P . S ip o ra P . P ag ai U ta ra P . P ag ai S ela ta n Pasaman Padang 3 °2 3 °2 3 °0 3 °0 2 °4 2 °4 2 °2 2 °2 2 °0 2 °0 1 °4 1 °4 1 °2 1 °2 1 °0 1 °0 98°40 98°40 99°00 99°00 99°20 99°20 99°40 99°40 100°00 100°00 100°20 100°20 100°40 100°40 101°00 101°00 Gradien Suhu Darat S Front Awan N

23.1 - 24 24.1 - 25

25.1 - 26 26.1 - 27 27.1 - 28 28.1 - 29

29.1 - 30 30.1 - 31

31.1 - 32 S S S S S S S 27 .5 2 5 .0

27.5 25.0