论文部分内容阅读
高中地理教材(新课标人教版·必修一·2008年第三版)第19页有这样的叙述:“夏至日,正午太阳高度由北回归线向南、北侧递减,北回归线及其以北各纬度,正午太阳高度达到一年中的最大值,太阳辐射最强;南半球各纬度,正午太阳高度达到一年中的最小值,太阳辐射最弱。冬至日,正午太阳高度由南回归线向南、北侧递减,南回归线及其以南各纬度,正午太阳高度达到一年中的最大值,太阳辐射最强;北半球各纬度,正午太阳高度达到一年
High school geography textbook (New Curriculum, PEP 2008 · Third Edition, 2008) Page 19 There is such a statement: ”At the midday solstice, the height of the sun changes from south to north and from north to north, The latitude at the north and the noon at midday reach the maximum value in the year with the strongest solar radiation. The latitude at the southern hemisphere and the noon midday reach the minimum value in the year and the solar radiation is the weakest. On the winter solstice, Decreasing to the south and north, the tropic of solar radiation is the highest in the year at the noon at any latitude and the tropic of the tropic of the Tropic of Cancer, and the solar radiation is strongest at each latitude in the northern hemisphere. The solar altitude at midday reaches a year