The El NiÃ±o provided NASA and NOAA an unprecedented opportunity to test the effectiveness of this new observation tool. OCO-2 is NASAâs first satellite designed to measure atmospheric carbon dioxide with the precision, resolution, and coverage necessary to quantify regional carbon sources and sinks.
Definition of LAVA FLOW. : a stream or sheet of molten or solidified lava. ADVERTISEMENT. This word doesn't usually appear in our free dictionary, but the definition from our premium Unabridged Dictionary is offered here on a limited basis.
There are two major types of lava flow, referred to around the world by their Hawaiian names: pahoehoe, a more fluid flow with a smooth to ropy surface; and aa (or aâa), a more viscous flow whose surface is covered by thick, jumbled piles of loose, sharp blocks.