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Influence of the Shape of the Earth on the Characteristics of the Irradiation of the Earth
Izvestiya, Atmospheric and Oceanic Physics ( IF 0.7 ) Pub Date : 2021-02-26 , DOI: 10.1134/s0001433820100035
V. M. Fedorov , A. A. Kostin , D. M. Frolov

Abstract

Quantitative indicators of the influence of the shape of the Earth (ellipsoidal with modern polar compression or spherical) on the characteristics of its irradiation calculated without taking into account the changes in the solar activity have been obtained. The differences between specific energies as well as intensities of irradiation of the ellipsoid (and its parts) and sphere (and its parts) on the average over a tropical year and in its parts (half-years, months) have been revealed. It is found from the data on the Earth’s motion in the interval of the tropical years from 3000 BC to AD 2999 that, at a constant intensity of solar irradiance, each of the two annual irradiation characteristics for the sphere is 0.085% higher than one for the ellipsoid. The monthly irradiation specific energy for the sphere is almost constant, and one for the ellipsoid varies with a scatter 0.043% of the average value (minima at the equinoxes and maxima at the solstices). The monthly irradiation intensities for the sphere and ellipsoid vary synchronously with a scatter 5.98% relative to the average value (the minimum occurs in the third month and the maximum in the ninth). The seasonality for a hemisphere (absolute value of the difference between irradiation specific energies for a hemisphere in different half-year periods) in the case of the ellipsoidal Earth is on the average 0.223% higher than in the case of the spherical Earth. The maximum of differences in the semiannual irradiation specific energies (and similarly in the semiannual irradiation intensities) in the latitudinal zones of the sphere and ellipsoid is positive and the minimum is negative. In the first half of the year, the maximum and minimum are observed in the zones 45°–50° S and 10°–15° N. In the second half of the year, the maximum and minimum are observed in zones 45°–50° N and 10°–15° S. It is found on the basis of the data from 1978–2008 that the differences in the intensities of irradiation of the sphere and ellipsoid are comparable with the variations in the total solar irradiance (TSI) associated with the changes in solar activity. The mean absolute value of the annual TSI anomaly is 14.01% greater than the average annual difference in the intensities of irradiation of the sphere and ellipsoid. The average absolute value of the monthly TSI anomaly exceeds the average monthly difference in the intensities of the irradiation of the sphere and ellipsoid by 23.37%.



中文翻译:

地球形状对地球辐照特性的影响

摘要

在不考虑太阳活动变化的情况下,已经获得了计算地球形状(椭圆形的现代极性压缩或球形)对其辐射特性影响的定量指标。揭示了在热带一年及其部分(半年,几个月)内,平均比能以及椭圆体(及其部分)和球体(及其部分)的平均辐照强度之间的差异。从公元前3000年到公元2999年的热带年间的地球运动数据发现,在恒定的太阳辐照强度下,该球体的两个年度辐照特性中的每一个都比辐照度中的一个高0.085%。椭球。球体的每月辐射比能量几乎恒定,椭圆形的一个以平均值的0.043%的散点变化(春分点的最小值和溶胶点的最大值)。球体和椭球体的每月辐照强度同步变化,相对于平均值的散射为5.98%(最小值出现在第三个月,最大值出现在第九个月)。在椭球状地球上,半球的季节性(半球在不同的半年周期内的辐射比能量之差的绝对值)比球形地球上的平均高出0.223%。球体和椭球体的经纬度区域中的半年度辐射比能的最大差异(以及类似的半年度辐射强度)为正,而最小值为负。在上半年 在南纬45°–50°和北纬10°–15°观察到最大值和最小值。在下半年,北纬45°–50°和10°–15观察到最大值和最小值°S。根据1978-2008年的数据,发现球体和椭球体的照射强度差异可与与太阳活动变化相关的总太阳辐照度(TSI)的变化相媲美。年度TSI异常的平均绝对值比球体和椭球体的照射强度的年均差异大14.01%。每月TSI异常的平均绝对值比球体和椭球体的照射强度的平均每月差值高23.37%。在该年的下半年,在北纬45°–50°和南纬10°–15°区域观测到了最大值和最小值。根据1978-2008年的数据发现,球体和椭球体的辐射可与与太阳活动的变化相关的总太阳辐照度(TSI)的变化相媲美。年度TSI异常的平均绝对值比球体和椭球体的照射强度的年均差异大14.01%。每月TSI异常的平均绝对值比球体和椭球体的照射强度的平均每月差值高23.37%。在该年的下半年,在北纬45°–50°和南纬10°–15°区域观测到了最大值和最小值。根据1978-2008年的数据发现,球体和椭球体的辐射可与与太阳活动变化相关的总太阳辐照度(TSI)的变化相媲美。年度TSI异常的平均绝对值比球体和椭球体的照射强度的年均差异大14.01%。每月TSI异常的平均绝对值比球体和椭球体的照射强度的平均每月差值高23.37%。根据1978-2008年的数据,发现球体和椭球体的辐照强度差异可与与太阳活动变化相关的总太阳辐照度(TSI)的变化相媲美。年度TSI异常的平均绝对值比球体和椭球体的照射强度的年均差异大14.01%。每月TSI异常的平均绝对值比球体和椭球体的照射强度的平均每月差值高23.37%。根据1978-2008年的数据,发现球体和椭球体的辐照强度差异可与与太阳活动变化相关的总太阳辐照度(TSI)的变化相媲美。年度TSI异常的平均绝对值比球体和椭球体的照射强度的年均差异大14.01%。每月TSI异常的平均绝对值比球体和椭球体的照射强度的平均每月差值高23.37%。比球体和椭球体的照射强度的年平均差异大01%。每月TSI异常的平均绝对值比球体和椭球体的照射强度的平均每月差值高23.37%。比球体和椭球体的照射强度的年平均差异大01%。每月TSI异常的平均绝对值比球体和椭球体的照射强度的平均每月差值高23.37%。

更新日期:2021-02-26
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