| Show WORLD IN GRIP GRI P OF DRY PHASE while we ave are speculating about the possible causes of dry weather in our own region we may note for whatever it may signify that in england they are giving serious thought to problems caused by falling in of the water levels lu in streams a p phenomenon ieno menon that has been developing for a couple of if years now dow that may be mere coincidence but DUE on ine the other land hand it may suggest that conditions affecting a fur far wider area alea than just our group of 0 a halt dozen dozen midwestern mid western states stales are at work it may be that the areas which now seem to be particularly yet wet not dry such as some parts of oc the east are the exceptions and that either cither the whole world horld or at least the northern rn hemisphere Is in the dry phase of a long time cycle everybody now knows ot of course that radical ell climatic matle changes do take place that the lee ice caps at the poles have advanced and retreated Is proven by the eNi evidence dence of our hills and valleys and add lakes 1111 H 1 9 find and soil iven even some of the ancients ancient surmised that there had been great climatic changes in europe by which the cold in central and northern europe had greatly moderated but these changes come over such long on periods as to mean nothing to any single generation of men whether there really are arc der definite hilte cycles subject eventually to measurement ur whereby weather conditions vary within a relatively brief period of years says a fifteen year wet to dry cycle or a forty year wet e t to dry cycle it not yet known nut but there seems reason enough for even a nonscientific person to suspect it A hundred years hence when a vastly greater amount of reliable in formation about weather happen I 1 ings has ins bemi gathered in this and other countries it may be possible to predict the next swing toward dryness and the next swing toward iv wetness etness with real accuracy so far as any large area Is condor concerned ne d meantime we here lacre in u iowa may rei rest 0 on n the fact that drastic changes in climate do not seem ever to come rapidly and that hint seve itil times in the past tills this region has known prolonged 0 o dry spells only to emerge again into compensating wet spells nowhere on earth has there been within the period of 0 white mile mens knowledge a more dependably fa climate for producing pro ducin the of C life than in this corn licit belt of which iowa is the center des tribune |
