Table 1 Optimal altitude bands and diversity scores for each range

From: The stratospheric Goldilocks zone is critical for high-altitude balloon navigation

Range (km)

Altitude floor (km)

Altitude ceiling (km)

Diversity score (%)

1

18.1

19.1

11.9

2

17.1

19.1

22.0

3

16.1

19.1

29.6

4

16.7

20.6

37.0

5

16.1

21.0

43.0

6

15.9

21.9

48.0

7

15.5

22.5

52.2

8

15.5

23.4

55.1

9

15.3

24.2

58.1

10

14.9

24.9

60.7

11

14.5

25.5

62.8

12

13.7

25.7

64.5

13

14.3

27.2

66.0

14

13.9

27.8

67.6

15

13.7

28.7

68.9

16

13.1

29.1

70.1

17

12.1

29.1

71.0

18

13.1

31.0

72.1

19

13.1

32.1

73.0

20

12.1

32.1

73.9

21

11.1

32.1

74.6

22

10.1

32.1

75.2