above the rain bearing level. ‘Then we have two problemsg one,

K. Fs

(Continued)

it is probably rather dry up there and it might not last
long tire and the other ong is that it would have to

down.
One theory is, I am not a moteorologist and since I an

GnHYNNs

here <I had better be careful of what i say, there has bees

sone

theory proposed, by woem I am not quite sure right now, rgther
that there was continual interchange cycles between, if

assumption is correct {t is encased in a enall water droplet that

is between 15 to [0 microns in size, it is as it rises p
evaporated but at the sane time a concentration mass of tiis natter
that it would be reintern encased in other water dropletad

Whether

that changes the sise distribution I am not in a position

say.

I certainly don't want to get into any argument about the

RAPPs

Bises.

As far as I an concerned it ia the biggest questicn mark
whole problem.

I would like te take this opportunity to point cut, for

BIS/NEIDe

benefit of whatever value it is to those ef you who are inkerested

in the theoretical approach, that there is a possibility of

a

very simple expirical approach which comes about beaause,
least fros our observations and I think from athers, the
cuet burden of the atroaphere is very similar in particle

gise

and spectrum to the particle sise distribution ef this debgis.
There is the oprortunity of measuring atsostheric dust b
before and after rainfall and also the particle sise spec
ah

at

“witiiin the drops.

It is my ispression, I know that at le

Select target paragraph3