the air that surrounds the earth; the farthest outer edge of the atmosphere is about 1000 km above the surface of the earth, but if you were 100 km above the surface of the earth, 99.9999% of the atmo [..]

using sound receivers on buoys or mounted to the bottom of the ocean to record noises made by marine animals or to detect animals (such as tunas and sharks) that have been tagged with a data storage t [..]

meteorological information issued when actual or expected weather conditions do not constitute a serious hazard but may cause inconvenience or concern. Examples of weather advisories include small cra [..]

a traditional way of dividing land that is the basic unit of Hawaiian natural and cultural resource management; commonly, this would consist of a piece of an island from the mountains to the sea

human-induced or resulting from human activities; often used to refer to environmental changes, global or local in scale

to operate or control an instrument or piece of equipment using pre-programmed instructions; many of the instruments used in the observing system have automated sampling

a device that travels underwater, powered by batteries or fuel cells, and measure various ocean properties such as depth, temperature, and salinity

the study of water depth and seafloor relief; a bathymetric map shows seafloor terrain as contour lines (called depth contours or isobaths)

change in slope on a beach marking the top of the foreshore and the seaward edge of the flat portion of the beach that is typically above the high tide level

the amount of living matter (living organisms); this is expressed as weight per unit area or per unit volume