Votes and proceedings of the General Assembly of the state of New-Jersey . thatthe temperature in subtropical latitudes during the sum-mer season is the most significant manifestation of thesecular cycles. This could result from either of two possi-ble causes: — A change in the direct heat of the sun (the solar con-stant). — A change in the atmosphere of the earth to decrease itstransmission of solar energy into the atmospheric sys-tems; such a change might be caused either by a change inthe photochemical equilibrium resulting in an increase inozone or by the production of active condensation
Votes and proceedings of the General Assembly of the state of New-Jersey . thatthe temperature in subtropical latitudes during the sum-mer season is the most significant manifestation of thesecular cycles. This could result from either of two possi-ble causes: — A change in the direct heat of the sun (the solar con-stant). — A change in the atmosphere of the earth to decrease itstransmission of solar energy into the atmospheric sys-tems; such a change might be caused either by a change inthe photochemical equilibrium resulting in an increase inozone or by the production of active condensation nuclei(cloudiness) in the upper atmosphere. On the other hand, the most significant climatic man-ifestations of the double sunspot cycle are in the winter-season circulation in high latitudes, in the contrast be-tween strong zonal circulation, and its breakdown intoa climatic stress pattern. The one solar variable that meetsthis seasonal and latitudinal requirement is the solarwind, which could in turn affect the amount of ozone in Technology Review, January-, 1976. The long secular solar-climatic cycle, based on planetaryconfigurations and sunspot and solar magnetic activity, alternatesbetween 100 and 80 years: here are shown three such cycles onwhich are superimposed the 11-year solar cycles in which the solarmagnetic field reverses polarity, stretching from 1700 to sunspot activity and wide spacing of the 11-year cycles ofmagnetic reversal characterize the first 30 years of each 100-yearcycle: high sunspot activity and close spacing of sunspotextremes, the last half. The 80-year cycle is different: the mostrapid sunspot changes occur in the middle of the period. Shaded11 -year cycles represent periods of negative solar magnetic field; note that 3i the end of 80- and 100-year cycles the solar magneticfield fails to reverse from negative to positive. The letters showprobable years of maximum warm (W) and cold (C) temperatures,as analyzed from historical data. The
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