Abstract

An airborne system for measurement of the total heat flow from the sea has been developed and used successfully during the BOMEX exercises in May 1969. Details of the system are described, and its operation is illustrated by one day’s results at Barbados, W. I. Continuous recalibration of detector sensitivity was a major improvement which permits measurement of sea surface temperature to 0.01°C.

© 1970 Optical Society of America

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References

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  1. E. D. McAlister, Appl. Opt. 3, 609 (1964).
    [CrossRef]
  2. E. D. McAlister, U.S. Patent No. 3,373,281, 12March1968.
  3. E. D. McAlister, W. McLeish, J. Geophys. Res. 74, 3408 (1969).
    [CrossRef]
  4. W. M. Irvine, J. B. Pollack, Icarus 8, 324 (1968).
    [CrossRef]
  5. E. D. McAlister, Oceans from Space (Gulf Publishing Co., Houston, Tex., 1969).
  6. R. B. Blackman, J. W. Tukey, The Measurement of Power Spectra (Dover, New York, 1958), Secs. B. 15–B. 17.
  7. P. Saunders, 1966 Symposium on The Remote Sensing of Environment (Univ. of Mich., Ann Arbor, Mich.), pp. 815–826.
  8. R. F. Potter, Corona Laboratories; private communication.
  9. E. B. Kraus, C. Rooth, Tellus 13, 233 (1961), Fig. 2.
  10. S. L. Hastenrath, Limnol. Oceanog. 13, 322 (1968).
    [CrossRef]
  11. Yu. M. Timofeev, Izv. Atm. Oceanic Phys. 2, 772 (1966).

1969 (1)

E. D. McAlister, W. McLeish, J. Geophys. Res. 74, 3408 (1969).
[CrossRef]

1968 (2)

W. M. Irvine, J. B. Pollack, Icarus 8, 324 (1968).
[CrossRef]

S. L. Hastenrath, Limnol. Oceanog. 13, 322 (1968).
[CrossRef]

1966 (1)

Yu. M. Timofeev, Izv. Atm. Oceanic Phys. 2, 772 (1966).

1964 (1)

1961 (1)

E. B. Kraus, C. Rooth, Tellus 13, 233 (1961), Fig. 2.

Blackman, R. B.

R. B. Blackman, J. W. Tukey, The Measurement of Power Spectra (Dover, New York, 1958), Secs. B. 15–B. 17.

Hastenrath, S. L.

S. L. Hastenrath, Limnol. Oceanog. 13, 322 (1968).
[CrossRef]

Irvine, W. M.

W. M. Irvine, J. B. Pollack, Icarus 8, 324 (1968).
[CrossRef]

Kraus, E. B.

E. B. Kraus, C. Rooth, Tellus 13, 233 (1961), Fig. 2.

McAlister, E. D.

E. D. McAlister, W. McLeish, J. Geophys. Res. 74, 3408 (1969).
[CrossRef]

E. D. McAlister, Appl. Opt. 3, 609 (1964).
[CrossRef]

E. D. McAlister, U.S. Patent No. 3,373,281, 12March1968.

E. D. McAlister, Oceans from Space (Gulf Publishing Co., Houston, Tex., 1969).

McLeish, W.

E. D. McAlister, W. McLeish, J. Geophys. Res. 74, 3408 (1969).
[CrossRef]

Pollack, J. B.

W. M. Irvine, J. B. Pollack, Icarus 8, 324 (1968).
[CrossRef]

Potter, R. F.

R. F. Potter, Corona Laboratories; private communication.

Rooth, C.

E. B. Kraus, C. Rooth, Tellus 13, 233 (1961), Fig. 2.

Saunders, P.

P. Saunders, 1966 Symposium on The Remote Sensing of Environment (Univ. of Mich., Ann Arbor, Mich.), pp. 815–826.

Timofeev, Yu. M.

Yu. M. Timofeev, Izv. Atm. Oceanic Phys. 2, 772 (1966).

Tukey, J. W.

R. B. Blackman, J. W. Tukey, The Measurement of Power Spectra (Dover, New York, 1958), Secs. B. 15–B. 17.

Appl. Opt. (1)

Icarus (1)

W. M. Irvine, J. B. Pollack, Icarus 8, 324 (1968).
[CrossRef]

Izv. Atm. Oceanic Phys. (1)

Yu. M. Timofeev, Izv. Atm. Oceanic Phys. 2, 772 (1966).

J. Geophys. Res. (1)

E. D. McAlister, W. McLeish, J. Geophys. Res. 74, 3408 (1969).
[CrossRef]

Limnol. Oceanog. (1)

S. L. Hastenrath, Limnol. Oceanog. 13, 322 (1968).
[CrossRef]

Tellus (1)

E. B. Kraus, C. Rooth, Tellus 13, 233 (1961), Fig. 2.

Other (5)

E. D. McAlister, U.S. Patent No. 3,373,281, 12March1968.

E. D. McAlister, Oceans from Space (Gulf Publishing Co., Houston, Tex., 1969).

R. B. Blackman, J. W. Tukey, The Measurement of Power Spectra (Dover, New York, 1958), Secs. B. 15–B. 17.

P. Saunders, 1966 Symposium on The Remote Sensing of Environment (Univ. of Mich., Ann Arbor, Mich.), pp. 815–826.

R. F. Potter, Corona Laboratories; private communication.

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Figures (8)

Fig. 1
Fig. 1

Absorption coefficient and optical depth of water in the infrared.

Fig. 2
Fig. 2

Schematic of two-wavelength radiometer.

Fig. 3
Fig. 3

Line drawing of pod and DC-3 nose.

Fig. 4
Fig. 4

Action curves for the two filter–detector combinations.

Fig. 5
Fig. 5

Intensity difference received at altitude vs altitude.

Fig. 6
Fig. 6

Schematic of data recorder.

Fig. 7
Fig. 7

Computer printout of 30-sec averages.

Fig. 8
Fig. 8

Computer printout of radiation intensity differences.

Equations (10)

Equations on this page are rendered with MathJax. Learn more.

σ 2 ln ( f u / f 1 ) / length of average .
I W = I U ( 1 - r ) + I S · r ,
( I U - I B ) e = ( I W - I B ) - ( I S - I B ) r ;
( I U 1 - I B 1 ) = ( I W 1 - I B 1 ) - ( I S 1 - I B 1 ) r 1 e 1 = A 1 ,
( I U 2 - I B 1 ) = ( I W 2 - I B 1 ) - ( I S 2 - I B 1 ) r 2 e 2 = A 2 .
I U 1 - I U 2 = A 1 - A 2 .
Δ T = ( A 1 - A 2 ) C ,
C = ( T ¯ B 1 - T ¯ B 2 ) / ( I ¯ B 1 - I ¯ B 2 ) ,
Q = K Δ T / d per unit area
= 0.086 × 0.026 0.0050 = 0.45 cal cm - 2 min - 1 .

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