太阳与地球的距离为1.5×10^11米,太阳光以平行光束太阳与地球的距离为1.5^11米,太阳光以平行光束入射到地面.地球表面2/3的面积被水面覆盖,太阳在一年中辐射到地球表面水面部分的总能量W约
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![太阳与地球的距离为1.5×10^11米,太阳光以平行光束太阳与地球的距离为1.5^11米,太阳光以平行光束入射到地面.地球表面2/3的面积被水面覆盖,太阳在一年中辐射到地球表面水面部分的总能量W约](/uploads/image/z/3340678-22-8.jpg?t=%E5%A4%AA%E9%98%B3%E4%B8%8E%E5%9C%B0%E7%90%83%E7%9A%84%E8%B7%9D%E7%A6%BB%E4%B8%BA1.5%C3%9710%5E11%E7%B1%B3%2C%E5%A4%AA%E9%98%B3%E5%85%89%E4%BB%A5%E5%B9%B3%E8%A1%8C%E5%85%89%E6%9D%9F%E5%A4%AA%E9%98%B3%E4%B8%8E%E5%9C%B0%E7%90%83%E7%9A%84%E8%B7%9D%E7%A6%BB%E4%B8%BA1.5%5E11%E7%B1%B3%2C%E5%A4%AA%E9%98%B3%E5%85%89%E4%BB%A5%E5%B9%B3%E8%A1%8C%E5%85%89%E6%9D%9F%E5%85%A5%E5%B0%84%E5%88%B0%E5%9C%B0%E9%9D%A2.%E5%9C%B0%E7%90%83%E8%A1%A8%E9%9D%A22%2F3%E7%9A%84%E9%9D%A2%E7%A7%AF%E8%A2%AB%E6%B0%B4%E9%9D%A2%E8%A6%86%E7%9B%96%2C%E5%A4%AA%E9%98%B3%E5%9C%A8%E4%B8%80%E5%B9%B4%E4%B8%AD%E8%BE%90%E5%B0%84%E5%88%B0%E5%9C%B0%E7%90%83%E8%A1%A8%E9%9D%A2%E6%B0%B4%E9%9D%A2%E9%83%A8%E5%88%86%E7%9A%84%E6%80%BB%E8%83%BD%E9%87%8FW%E7%BA%A6)
太阳与地球的距离为1.5×10^11米,太阳光以平行光束太阳与地球的距离为1.5^11米,太阳光以平行光束入射到地面.地球表面2/3的面积被水面覆盖,太阳在一年中辐射到地球表面水面部分的总能量W约
太阳与地球的距离为1.5×10^11米,太阳光以平行光束
太阳与地球的距离为1.5^11米,太阳光以平行光束入射到地面.地球表面2/3的面积被水面覆盖,太阳在一年中辐射到地球表面水面部分的总能量W约为1.87*10^24焦.设水面对太阳辐射的平均反射率为7%,而且将吸收到的35%能量重新辐射出去.太阳辐射可将水面的水蒸发(设在常温、常压下蒸发1千克水需要2.2*10^6焦的能量),而后凝结成水滴降落到地面.
(1)估算整个地球表面的平均降水量(以毫米表示,地球面积为5*10^14平方米)
太阳与地球的距离为1.5×10^11米,太阳光以平行光束太阳与地球的距离为1.5^11米,太阳光以平行光束入射到地面.地球表面2/3的面积被水面覆盖,太阳在一年中辐射到地球表面水面部分的总能量W约
1.87*10^24J*93%*65%,此为水吸收到太阳辐射能量.
1.87*10^24J*93%*65%/(2.2*10^6J/kg),此为蒸发水的质量(单位kg)
除以水的密度1*10^3(kg/m^3),得到水的体积(单位m^3),
再除以地球的总面积:5*10^14(单位m^2)
1.87*10^24*0.93*0.65/(2.2*10^6)/10^3/(5*10^14)(单位m)
数量级:24-6-3-14=1
数字:1.87*0.93*0.65/2.2/5=0.1027
结果:0.1027*10(m)=1.027m=1027毫米.
P.S.过程应该没错,数字不对,看看题目数字有没抄错了.
+_+ oh my god
海洋吸收到的热量 Q=W·η=1.87×10^24×93%×65%=1.13×10^24J
这些热量可以蒸发的水的质量为 (1.13×10^24J)/(2.2×10^6J/kg)=5.14×10^17kg
水的体积为V=m/ρ=5.14×10^17/10^3=5.14×10^14(m^3)
降水高度为h=V/S=(5.14×10^14)/(5*10^14)=1.028m=1...
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海洋吸收到的热量 Q=W·η=1.87×10^24×93%×65%=1.13×10^24J
这些热量可以蒸发的水的质量为 (1.13×10^24J)/(2.2×10^6J/kg)=5.14×10^17kg
水的体积为V=m/ρ=5.14×10^17/10^3=5.14×10^14(m^3)
降水高度为h=V/S=(5.14×10^14)/(5*10^14)=1.028m=1028mm
平均降水量为1028mm
这是我亲自又算一遍的,还有这样的题请联系zhanghuilian-98022@163.com
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