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The global climate models used for climate projections are similar in structure to (and often share computer code with) numerical models for weather prediction, but are nonetheless logically distinct. Most weather forecasting is done on the basis of interpreting numerical model results. Since forecasts are typically a few days or a week and sea ...
Climate models divide the planet into a 3-dimensional grid and apply differential equations to each grid. The equations are based on the basic laws of physics, fluid motion, and chemistry. Numerical climate models (or climate system models) are mathematical models that can simulate the interactions of important drivers of climate.
Global mean sea levels (GMSL) rose by 3.66 mm (0.144 in) per year which is "2.5 times faster than the rate from 1900 to 1990". [7]: 2 [8] At the rate of acceleration, it "could reach around 30 cm (12 in) to 60 cm (24 in) by 2100 even if greenhouse gas emissions are sharply reduced and global warming is limited to well below 2 °C, but around 60 cm (24 in) to 110 cm (43 in) if emissions ...
The larger scales of imperceptible motions are difficult for humans to perceive for two reasons: Newton's laws of motion (particularly the third), which prevents the feeling of motion on a mass to which the observer is connected, and the lack of an obvious frame of reference that would allow individuals to easily see that they are moving. [9 ...
Climate (from Ancient Greek κλίμα 'inclination') is commonly defined as the weather averaged over a long period. [9] The standard averaging period is 30 years, [10] but other periods may be used depending on the purpose. Climate also includes statistics other than the average, such as the magnitudes of day-to-day or year-to-year variations.
HARMONIE-Climate (HCLIM) is a limited area climate model based on the HARMONIE model developed by a large consortium of European weather forecastign and research institutes . It is a model system that like WRF can be run in many configurations, including at high resolution with the non-hydrostatic Arome physics or at lower resolutions with ...
This equation and notation works in much the same way as the temperature equation. This equation describes the motion of water from one place to another at a point without taking into account water that changes form. Inside a given system, the total change in water with time is zero. However, concentrations are allowed to move with the wind.
The four SRES scenario families [8] [9] [10] of the Fourth Assessment Report vs. projected global average surface warming until 2100 AR4 (Summary; PDF) More economic focus: More environmental focus: Globalisation (homogeneous world) A1 rapid economic growth (groups: A1T; A1B; A1Fl) 1.4 − 6.4 °C: B1 global environmental sustainability 1.1 − ...