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The Planetary Boundaries framework contributes to an understanding of global sustainability because it brings a planetary scale and a long timeframe into focus. [ 7 ] The framework described nine "planetary life support systems" essential for maintaining a "desired Holocene state", and attempted to quantify how far seven of these systems had ...
The convective planetary boundary layer (CPBL), also known as the daytime planetary boundary layer (or simply convective boundary layer, CBL, when in context), is the part of the lower troposphere most directly affected by solar heating of the Earth's surface.
A convective planetary boundary layer is a type of planetary boundary layer where positive buoyancy flux at the surface creates a thermal instability and thus generates additional or even major turbulence. (This is also known as having CAPE or convective available potential energy; see atmospheric convection.) A convective boundary layer is ...
In essence this mathematical simulation of the Solar System is a form of the N-body problem. The symbol N represents the number of bodies, which can grow quite large if one includes the Sun, 8 planets, dozens of moons, and countless planetoids, comets and so forth. However the influence of the Sun on any other body is so large, and the ...
Planetary boundaries – Limits not to be exceeded if humanity wants to survive in a safe ecosystem; Population bottleneck – Effects of a sharp reduction in numbers on the diversity and robustness of a population; Post-growth – Beyond optimum economic growth; Productivism – Primacy of productivity and growth
The Doughnut is an attempt to provide such a compass. The inner ring sets out 12 social foundations for humanity identified as sustainable development goals; the outer ring is formed of 9 planetary boundaries that earth system scientists have identified as being necessary for planetary
Orbit modeling is the process of creating mathematical models to simulate motion of a massive body as it moves in orbit around another massive body due to gravity.Other forces such as gravitational attraction from tertiary bodies, air resistance, solar pressure, or thrust from a propulsion system are typically modeled as secondary effects.
Johan Rockström (born 31 December 1965) is a Swedish scientist, internationally recognized for his work on global sustainability issues. He is joint director [1] of the Potsdam Institute for Climate Impact Research (PIK) in Germany, together with economist Ottmar Edenhofer.