The Earth from the Air: Yann Arthus-Bertrand

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Objects tend to emit amounts and wavelengths of radiation depending on their " black body" emission curves, therefore hotter objects tend to emit more radiation, with shorter wavelengths. The images are taken from the Deep Space Climate Observatory (DSCOVR) and show Earth as it rotates during a day.

Two older reliable sources have dry atmospheric compositions, including trace molecules, that total less than 100%: U. Main article: Absorption (electromagnetic radiation) Rough plot of Earth's atmospheric transmittance (or opacity) to various wavelengths of electromagnetic radiation, including visible light. This rise in temperature is caused by the absorption of ultraviolet radiation (UV) from the Sun by the ozone layer, which restricts turbulence and mixing. Because the general pattern of the temperature/altitude profile, or lapse rate, is constant and measurable by means of instrumented balloon soundings, the temperature behavior provides a useful metric to distinguish atmospheric layers.

Nearly all atmospheric water vapor or moisture is found in the troposphere, so it is the layer where most of Earth's weather takes place. Although the thermosphere has a high proportion of molecules with high energy, it would not feel hot to a human in direct contact, because its density is too low to conduct a significant amount of energy to or from the skin. The troposphere is denser than all its overlying layers because a larger atmospheric weight sits on top of the troposphere and causes it to be most severely compressed.

Breakdown of pyrite and volcanic eruptions release sulfur into the atmosphere, which reacts with oxygen and hence reduces its amount in the atmosphere. It extends from the thermopause (also known as the "exobase") at the top of the thermosphere to a poorly defined boundary with the solar wind and interplanetary medium.Air pollution is the introduction into the atmosphere of chemicals, particulate matter or biological materials that cause harm or discomfort to organisms. Arthus-Bertrand's aerial photographs have been assembled into a daybook, using 170 shots from his original volume plus 195 new ones. From majestic landscapes to rubbish dumps, the images are shockingly beautiful, but for Yann the most important part is the powerful environmental message which accompanies each image. Sulfur compounds such as hydrogen sulfide and sulfur dioxide (SO 2) may be derived from natural sources or from industrial air pollution.

Almost every plate is double page, reproduced in sumptuous vibrant colour, with helpful fold-out notes for each shot. For example, on an overcast day when you cannot see your shadow, there is no direct radiation reaching you, it has all been scattered. At once inspiring and transcendentally beautiful, The Earth from the Air 365 New Days is a volume to treasure for years on end. This vibrant new edition of the internationally acclaimed original features an updated design and nearly sixty stunning new photographs.In the stratosphere, starting above about 20 km, the temperature increases with height, due to heating within the ozone layer caused by the capture of significant ultraviolet radiation from the Sun by the dioxygen and ozone gas in this region.