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  2. Geochemistry - Wikipedia

    en.wikipedia.org/wiki/Geochemistry

    where I and O are the input and output rates. In the above example, the steady-state input and output rates are both equal to a, so τ res = 1/k. [20] If the input and output rates are nonlinear functions of C, they may still be closely balanced over time scales much greater than the residence time; otherwise, there will be large fluctuations in C.

  3. SEG-Y - Wikipedia

    en.wikipedia.org/wiki/SEG-Y

    This image shows the byte stream structure of a SEG-Y file, with rev 1 Extended Textual File Header records. Since the first SEG-Y standard was published, many companies dealing with seismic data have produced variants of the SEG-Y standard which have run contrary to the aims of defining a standard for universal interchange, thus generally causing confusion and delay when data received by a ...

  4. Open system (systems theory) - Wikipedia

    en.wikipedia.org/wiki/Open_system_(systems_theory)

    Open systems have input and output flows, representing exchanges of matter, energy or information with its surroundings. An open system is a system that has external interactions. Such interactions can take the form of information, energy, or material transfers into or out of the system boundary, depending on the discipline which defines the ...

  5. Portal:Geophysics - Wikipedia

    en.wikipedia.org/wiki/Portal:Geophysics

    Geophysics (/ ˌ dʒ iː oʊ ˈ f ɪ z ɪ k s /) is a subject of natural science concerned with the physical processes and physical properties of the Earth and its surrounding space environment, and the use of quantitative methods for their analysis.

  6. Geologic modelling - Wikipedia

    en.wikipedia.org/wiki/Geologic_modelling

    For example, in the oil and gas industry, realistic geologic models are required as input to reservoir simulator programs, which predict the behavior of the rocks under various hydrocarbon recovery scenarios. A reservoir can only be developed and produced once; therefore, making a mistake by selecting a site with poor conditions for development ...

  7. Geophysical Fluid Dynamics Laboratory Coupled Model

    en.wikipedia.org/wiki/Geophysical_Fluid_Dynamics...

    The ocean component is a 50-level ocean, run at a resolution of 1° in the east–west direction and varying in the north–south direction from 1 degree in the polar regions to 1/3 of a degree along the equator.

  8. Physical oceanography - Wikipedia

    en.wikipedia.org/wiki/Physical_oceanography

    Perspective view of the sea floor of the Atlantic Ocean and the Caribbean Sea. The purple sea floor at the center of the view is the Puerto Rico Trench.. Roughly 97% of the planet's water is in its oceans, and the oceans are the source of the vast majority of water vapor that condenses in the atmosphere and falls as rain or snow on the continents.

  9. Geobiology - Wikipedia

    en.wikipedia.org/wiki/Geobiology

    [1] Geobiology is a field of scientific research that explores the interactions between the physical Earth and the biosphere. It is a relatively young field, and its borders are fluid. There is considerable overlap with the fields of ecology, evolutionary biology, microbiology, paleontology, and particularly soil science and biogeochemistry.