260 Bigeloiv — Radiation in the Earth? s Atmosphere. 

 Table 5. — Computed Mean Eadiation Ki . 



z 

 18000 





-14844 

















-12005 



17000 



-16953 



-16455 



_ 



_ 



- 17164 



-17812 



_ 



_ 



_ 



-13968 



16000 



-19066 



-18108 



_ 



-18316 



- 18937 



-18356 



— 



_ 



_ 



-15993 



15000 



-20737 



-19830 



- 



-19682 



- 20534 



-19343 



-18494* 



-19084* 



-19187* 



-18060 



14000 



-22820 



-21723 



_ 



-21008 



- 22684* 



-21006* 



-20828 



-20960 



-22247 



—20582 



13000 



-24578 



-23633 



-25775 



-23673* 



- 25198 



-23848 



-24385 



-24861 



-25361 



—23624 



12000 



-26872* 



-26065* 



-28216 



-28146 



- 28705 



-27952 



-27661 



-27729 



-29381 



-27013 



11000 



-29889 



-29982 



-29601 



-32114 



- 32828 



-31926 



-31687 



-32573 



-33927 



-31143 



10000 



-35443 



-34455 



-32418 



-36303 



- 37127 



-36541 



-36668 



-37471 



-38635 



-35422 



9000 



-40838 



-39393 



-39874* 



-41651 



- 45250 



-41644 



-41899 



-42075 



-43824 



-39717 



8000 



-46733 



-45063 



-43754 



-46979 



- 48603 



-46870 



-46897 



-47647 



-49092 



-44616 



7000 



-53117 



-50795 



-48907 



-52993 



- 54642 



-53287 



-53578 



-53601 



-54567 



-50082 



6000 



-60123 



-57663 



-54983 



-57986 



- 60937 



-59421 



-57645 



-59329 



-60580 



-55577 



5000 



-67075 



-64159 



-62070 



-64247 



- 67550 



-65154 



-65311 



-65799 



-66084 



-61930 



4000 



-74322 



-71393 



-68557 



-71497 



- 73900 



-72795 



-71878 



-72275 



-70670 



-68663 



3000 



-80347 



-77044 



-74030 



-76570 



- 78842 



■ 78592 



-77492 



-79073 



-79033 



-74258 



2500 



-83970 



-81465 



-78363 



-82232 



- 83246 



-82910 



-81306 



-81720 



-82558 



-78404 



2000 



-88378 



-85810 



-83759 



-85756 



- 87206 



-86782 



-85834 



-845U0 



-85954 



-82802 



1500 



-92858 



-90814 



-87826 



-90796 



- 91232 



-90750 



-88386 



-89108 



-89242 



-87422 



1000 



-96765 



-95018 



-92312 



-95183 



- 95408 



-93306 



-93764 



-92385 



-93418 



_ 



500 



-99671 



-98622 



-98345 



-98222 



-100065 



-99682 



-98933 



-91412 



-98622 



— 



116 























Table 4 contains the observed temperatures T, from which 

 the pair mean values T 10 can be computed. Table 5 gives the 

 corresponding values of the radiation energy K 10 , being the 

 mean for the stratum below its line of elevation z. The fol- 

 lowing examples from the balloon ascension of May 5, 1909, 

 will illustrate the method of computing : 



Table 6. 

 Computation of log c = log Ki, 



a log Tio. 



z 



T 10 



logT 10 .___ 

 Trial a .... 

 «logT 10 _. 



K 10 - 



logK 10 ... 



logc 



a 



1000 

 279-2 

 2-446 

 3-84 

 9393 

 96765- 

 4-986 

 -5-593 

 3-834 



1500 

 279-0 

 2-446 

 3-83 

 9-368 



92858 

 4-968 



-5-600 

 3-838 



2000 

 277*5 

 2-443 

 3-83 

 9-357 

 88378 

 4-946 

 —5-589 

 3-833 



2500 

 276-0 

 2-441 

 3-83 

 9-349 

 83970 

 4-924 

 -5-575 

 3-827 



f By 

 \ Crelle's 

 (.Tables. 



Adjusted. 



This preliminary research has been conducted in three- 

 place logarithms, and the multiplications a log T 10 were 

 made by Crelle's Tables. When the observational data of the 

 balloon ascensions are sufficiently exact, it will be proper to com- 

 pute these data somewhat more fully. In a similar manner 

 Table 7 contains the values of log c, and Table 8 those of a, 

 throughout the ten selected balloon ascensions. An inspection of 



