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Atmospheric Dynamics by Mankin Mak PDF

By Mankin Mak

ISBN-10: 052119573X

ISBN-13: 9780521195737

Mankin Mak's textbook presents a self-contained direction on atmospheric dynamics. the 1st part is acceptable for senior undergraduates, and develops the actual, dynamical and mathematical innovations on the primary point. the second one half the e-book is aimed toward extra complex scholars who're already acquainted with the fundamentals. The contents were constructed from decades of the author's educating on the collage of Illinois. Discussions are supplemented with schematics, climate maps and statistical plots of the atmospheric common stream. scholars usually locate the relationship among theoretical dynamics and atmospheric statement a bit tenuous, and this e-book demonstrates a powerful connection among the major dynamics and genuine observations. This textbook is a useful asset for classes in atmospheric dynamics for complex scholars and researchers in atmospheric technological know-how, ocean technological know-how, climate forecasting, environmental technology, and utilized arithmetic. a few historical past in arithmetic, physics and uncomplicated atmospheric technology is believed.

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Extra resources for Atmospheric Dynamics

Example text

11a that the average value of is about dp d hi $ 6 Â 10 3 m 1 K. We will later 8 K=100 mb in the troposphere corresponding to dz s g d h i called Brunt–Vaisala oo dz frequency, where g is gravity and oo is a reference value. Its corresponding value is N $ 10 2 s 1 . It is also seen in Fig. 11a that hi begins to increase sharply with height above about 12 km. That level is known as tropopause separating the troposphere below from the stratosphere above. In other words, the stratosphere has a much greater stratification than the troposphere.

6 Thermodynamics and equation of state Thermodynamics is the branch of physics concerned with the relationship between the bulk properties of a system and its surroundings involving heat exchange and mechanical work done on or by it, with or without chemical reactions among its constituents. In the context of a dry atmosphere, we think of an air parcel as a system consisting of a mixture of chemically non-interacting gases. Its surroundings would be the remaining part of the atmosphere. The bulk properties of this system are pressure, temperature and density.

The p-velocity is in the vertical direction and is in downward motion when it has a positive value. Therefore, according to the relation obtained above, we may write the total derivative in ðx; y; pÞ D @ @ @ @ coordinates as ¼ þu þv þo . Dt @t @x @y @p RT , we can readily rewrite the thermodynamic equation as By using ¼ p DT D DT þp ¼ Q ! cp À o ¼ Q ! Dt Dt Dt @T @T @T pS Q þu þv À o¼ ; ð2:8Þ @t @x @y R cp     R @T R g @T RðGd À GÞ where S ¼ ¼ þ À þ  . Here Gd is known as the dry p @p cp gp cp @z gp g adiabatic lapse rate with a value Gd ¼ % 10 K km 1 ; G ¼ À@T =@z is called the lapse rate cp typically % 6 K km 1 ; S is a measure of the stratification with a value of $ 0:5 Â 10 5 m2 s 2 Pa 2 in mid-troposphere, and typically increases with height.

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Atmospheric Dynamics by Mankin Mak


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