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Earth system science
Earth system science (ESS) is the application of systems science to the Earth sciences. In particular, it considers interactions between the "spheres" — atmosphere, hydrosphere, cryosphere, geosphere, pedosphere, biosphere, and, even, the magnetosphere — as well as the impact of human societies on these components. At its broadest scale, Earth system science brings together researchers across both the natural and social sciences, from fields including ecology, economics, geology, glaciology, meteorology, oceanography, paleontology, sociology, and space science. Like the broader subject of systems science, Earth system science assumes a holistic view of the dynamic interaction between the Earth's spheres and their many constituent subsystems, the resulting organization and time evolution of these systems, and their stability or instability. Subsets of Earth system science include systems geology〔
〕 and systems ecology, and many aspects of Earth system science are fundamental to the subjects of physical geography and climate science.
==Definition==
The Science Education Resource Center, Carleton College, offers the following description: "Earth system science embraces chemistry, physics, biology, mathematics and applied sciences in transcending disciplinary boundaries to treat the Earth as an integrated system. It seeks a deeper understanding of the physical, chemical, biological and human interactions that determine the past, current and future states of the Earth. Earth system science provides a physical basis for understanding the world in which we live and upon which humankind seeks to achieve sustainability".〔(【引用サイトリンク】title=Earth System Science in a Nutshell )〕
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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