SOC 2070 Lecture Notes - Lecture 7: Water Cycle, Stratus Cloud, Puffy Amiyumi

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There is an equilibrium between incoming radiation and outgoing radiation. Earths i(cid:374)ter(cid:272)epts o(cid:374)l(cid:455) s(cid:373)all portio(cid:374) of the u(cid:374)(cid:859)s radiatio(cid:374) The su(cid:374)(cid:859)s e(cid:374)erg(cid:455) dri(cid:448)es the h(cid:455)drologi(cid:272)al (cid:272)(cid:455)(cid:272)le a(cid:374)d all (cid:449)eather phe(cid:374)o(cid:373)e(cid:374)a o(cid:374) earth. Nearly all of the e(cid:374)erg(cid:455) a(cid:448)aila(cid:271)le at the earth(cid:859)s surfa(cid:272)e (cid:272)o(cid:373)es fro(cid:373) the su(cid:374) It is composed of nitrogen (78%) and oxygen (21%) The re(cid:373)ai(cid:374)i(cid:374)g 1% (cid:272)o(cid:374)sists of (cid:449)ater (cid:448)apour, (cid:272)ar(cid:271)o(cid:374) dio(cid:454)ide, a(cid:374)d other (cid:858)tra(cid:272)e(cid:859) gases. Water vapour in the atmosphere can result in cloud development and the formation of precipitation. Water vapour comes from evaporation from the oceans. The ozo(cid:374)e la(cid:455)er prote(cid:272)ts us fro(cid:373) the u(cid:374)(cid:859)s har(cid:373)ful uv ra(cid:455)s; it is fou(cid:374)d it the stratosphere: only 7% is uv. A high puffy cloud is called a cirrocumulus cloud. Clouds that produ(cid:272)e pre(cid:272)ipitatio(cid:374) (cid:272)o(cid:374)tai(cid:374) (cid:862)(cid:374)i(cid:373)(cid:271)(cid:863) i(cid:374) their (cid:374)a(cid:373)e. Differe(cid:374)(cid:272)es i(cid:374) pressure at the earth(cid:859)s surfa(cid:272)e are (cid:449)hat (cid:272)auses the (cid:449)i(cid:374)d to (cid:271)lo(cid:449) At a cold front, dense cold air undercuts warm air.

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