Download Earth Observation of Global Change: The Role of Satellite by Beatriz Alonso, Fernando Valladares (auth.), Emilio Chuvieco PDF

By Beatriz Alonso, Fernando Valladares (auth.), Emilio Chuvieco (eds.)

Global swap is more and more thought of a serious subject in environmental learn. distant sensing equipment offer a correct instrument to watch international variables, on account that they provide a scientific insurance of the Earth floor, at assorted spatial, spectral and temporal resolutions. the knowledge supplied through Earth commentary Satellites are being operationally used for tracking atmospheric stipulations, ice sheets and glaciar activities, crop dynamism and land use alterations, deforestation and desertification approaches, in addition to water stipulations. The booklet contains an research of the top missions in international Earth remark, after which studies the most fields during which distant sensing equipment are supplying very important facts for worldwide swap studies.

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In: Greenland D, Goodin DG and Smith RC (eds) Climate variability and ecosystem response at Long-Term Ecological Research sites. Oxford University Press pp 3–19 Greenland D, Goodin DG, Smith RC and Swanson FJ (2003) Climate variability and ecosystem response – Synthesis. In: Greenland D, Goodin DG and Smith RC (eds) Climate variability and ecosystem response at Long-Term Ecological Research sites. Oxford University Press pp 425–449 Hansen J, Nazarenko L, Ruedy R, Sato M, Willis J, Del Genio A, Koch D, Lacis A, Lo K, Menon S, Novakov T, Perlwitz J, Russell G, Schmidt GA and Tausnev N (2005) Earth’s energy imbalance: Confirmation and implications.

1 MODIS The Moderate-Resolution Imaging Spectroradiometer (MODIS) is a 36-band spectroradiometer measuring visible and infrared radiation, at different resolutions. The first two bands cover the red and near infrared and have 250 m pixel size. The next five have 500 m spatial resolution and cover several bands in the visible, near infrared and SWIR spectral bands. As with the 250 m bands these were selected primarily for land observations and mimic the Landsat Thematic Mapper bands. The other spectral channels have a 1 km resolution and include several in the visible, near infrared, middle infrared and thermal infrared for oceans and atmospheres studies and land thermal monitoring.

2 Other Instruments on the Terra – Aqua Spacecraft The Clouds and the Earth’s Radiant Energy System (CERES) is a radiometer that measures global radiation and cloud properties. It is carried on both the Terra and Aqua satellites, as well as in the TRMM mission. Two CERES instruments are on board of each platform, one cross-track scanning, measuring the earth radiation budget, and the other in azimuth scanning mode, computing angular radiance information. CERES has three bands measuring total radiance, short-wave radiance and thermal radiance.

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