Earth’s Nitrogen and Carbon Cycles

Physics & Astronomy

• carbon cycle 100%
• Earth mantle 66%
• nitrogen 41%
• slabs 27%
• atmospheres 22%
• crusts 20%
• cycles 16%
• minerals 15%
• decarbonation 15%
• planetary evolution 14%
• global warming 11%
• magma 11%
• Earth core 11%
• terrestrial planets 10%
• carbon 10%
• gradients 10%
• Earth surface 10%
• Earth atmosphere 10%
• oceans 8%
• sinks 8%
• budgets 8%
• wedges 7%
• rocks 7%
• dissolving 7%
• isotopes 6%
• arcs 6%
• communication 6%
• collisions 5%

Earth & Environmental Sciences

• carbon cycle 55%
• mantle 41%
• slab 28%
• atmosphere 23%
• subduction zone 23%
• geothermal gradient 19%
• planetary evolution 13%
• contact metamorphism 10%
• solid Earth 10%
• geological time 9%
• country rock 9%
• carbon 9%
• mineral 8%
• theoretical study 8%
• continental crust 7%
• magmatism 7%
• planet 7%
• budget 6%
• global warming 6%
• magma 6%
• crust 6%
• dissolution 5%
• isotope 5%
• timescale 5%