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The Earth’s Atmosphere Contents Part 1

Khí quyển là một lớp khí có thể bao bọc xung quanh một thiên thể có khối lượng đủ lớn, và nó được giữ lại bởi trọng lực của thiên thể đó. Khí quyển có thể được giữ trong thời gian dài hơn nếu trọng lực lớn và nhiệt độ khí quyển thấp. | yS THIRD EDITION Essentials 0f Meteorology All Invitation to tbtyltmospbere c. DONALD AHRENS The Earth s Atmosphere Contents Overview of the Earth s Atmosphere Composition of the Atmosphere The Early Atmosphere Vertical Structure of the Atmosphere A Brief Look at Air Pressure and Air Density Layers of the Atmosphere Focus on an Observation The Radiosonde The Ionosphere Weather and Climate A Satellite s View of the Weather Storms of All Sizes A Look at a Weather Map Weather and Climate in Our Lives Focus on a Special Topic Meteorology A Brief History Summary Key Terms Questions for Review Questions for Thought and Exploration ft well remember a brilliant red balloon which kept me completely happy for a whole afternoon until while I was playing a clumsy movement allowed it to escape. Spellbound I gazed after it as it drifted silently away gently swaying growing smaller and smaller until it was only a red point in a blue sky. At that moment I realized for the first time the vastness above us a huge space without visible limits. It was an apparent void full of secrets exerting an inexplicable power over all the earth s inhabitants. I believe that many people consciously or unconsciously have been filled with awe by the immensity of the atmosphere. All our knowledge about the air gathered over hundreds of years has not diminished this feeling. Theo Loebsack Our Atmosphere 1 2 Chapter 1 The Earth s Atmosphere ur atmosphere is a delicate life-giving blanket of X z air that surrounds the fragile earth. In one way or another it influences everything we see and hear it is intimately connected to our lives. Air is with us from birth and we cannot detach ourselves from its presence. In the open air we can travel for many thousands of kilometers in any horizontal direction but should we move a mere eight kilometers above the surface we would suffocate. We may be able to survive without food for a few weeks or without water for a few days but without our atmosphere we would not