a rapid rise in sea level
51Arctic Regions — ▪ 2009 The Arctic regions may be defined in physical terms (astronomical [north of the Arctic Circle, latitude 66° 30′ N], climatic [above the 10 °C (50 °F) July isotherm], or vegetational [above the northern limit of the tree line]) or in human… …
52Heinrich event — Heinrich events, first described by marine geologist Hartmut Heinrich, occurred during the last glacial period, or ice age . During such events, armadas of icebergs broke off from glaciers and traversed the North Atlantic. The icebergs contained… …
53Geological history of Earth — impacting the Earth in a glancing blow. [cite journal | last = R. Canup and E. Asphaug | title = Origin of the Moon in a giant impact near the end of the Earth s formation | journal = Nature | volume = 412 | pages = 708–712 | date = 2001 | url =… …
54Climate Change-The Global Effects — ▪ 2008 Introduction by John Streicker In 2007 the Intergovernmental Panel on Climate Change (IPCC) released its Fourth Assessment Report. Previous assessments (1990, 1995, 2001) had provided strong indications that by various measures the… …
55Global climate model — AGCM redirects here. For Italian competition regulator, see Autorità Garante della Concorrenza e del Mercato. Climate models are systems of differential equations based on the basic laws of physics, fluid motion, and chemistry. To “run” a model,… …
56El Niño-Southern Oscillation — El Niño redirects here. For other uses, see El Niño (disambiguation). ENSO redirects here. For other uses, see Enso (disambiguation). The 1997 El Niño observed by TOPEX/Poseidon. The white areas off the tropical coasts of South and North America… …
57Rice — For other uses, see Rice (disambiguation). Oryza sativa, commonly known as Asian rice. Rice, white, long grain vegetable, raw Nutritional value per 100 g (3.5 oz) …
58Chilika Lake — Chilka Lake Fishermen pushing against the tide Coordinates …
59Climate change and agriculture — are interrelated processes, both of which take place on a global scale.[1] Global warming is projected to have significant impacts on conditions affecting agriculture, including temperature, carbon dioxide, glacial run off, precipitation and the… …
60Marine snow — Underway recovery of a sediment trap used to collect marine snow and estimate export production In the deep ocean, marine snow is a continuous shower of mostly organic detritus falling from the upper layers of the water column. It is a… …
