物理海洋学名词-N 275

nearshore zone A zone extending from the upper limit of a beach to the offshore. In terms of the beach profile, it consists of (progressing seawards) the backshore, foreshore and inshore. In terms of the wave and current regimes, it consists of (again progressing seawards) the swash zone, surf zone and breaker zone. See Komar [1976].
NEAT GIN Acronym for North East Atlantic, Greenland–Iceland–Norwegian Sea Experiment, an experiment which took place during Sept.–Oct. 1989 at the Norwegian shelf edge near 68◦ N and comprised seven moorings, five in a closely spaced cross–slope section.

[http://www.pol.ac.uk/oshi/neatgin.html]

NEC Abbreviation for North Equatorial Current.
NECBRE Acronym for North Equatorial Current Bifurcation Region Experiment, an experiment planned by JAMSTEC to start in around 2006. The plan is to make tomographic observations of the North Equatorial Current bifurcation region in the Philippine Sea after the conclusion of the KESS program.
NECC Abbreviation for North Equatorial Countercurrent.
NECOP Acronym for Nutrient Enhanced Coastal Ocean Productivity, a NOAA/OAR/AOML program to study the dynamics of physical, geological, chemical and biological processes as they are influenced by the runoff from the Mississippi River and Atchafalaya Bay. The main objectives of the study include describing a clear anthropogenic signal and any resultant nutrient-enhanced productivity of significant magnitude and demonstrating the impact of enhanced production on coastal environmental quality.
[http://www.aoml.noaa.gov/ocd/necop/]
negative feedback A type of feedback in which a perturbation to a system causes a damping of the process, and thus opposes itself.
NEGOM Acronym for Northeastern Gulf of Mexico Physical Oceanography Program.
[http://negom.tamu.edu/negom/]
nekton One of three major ecological groups into which marine organisms are divided, the other two being the benthos and the plankton. Nekton are strongly swimming pelagic animals such as fish, some crustaceans, cephalopods, and whales which are capable of progressing against most water currents.
NEONS Acronym for the Naval Environmental Operational Nowcasting System, a software package that provides the capability to mange oceanographic and meteorological data in near real-time. It provides a set of tools to access, create and manage environmental data which is stored in a NEONS schema within a relational database.
[http://www.ncdc.noaa.gov/neons.html]
NEP Abbreviation for net ecosystem production, the rate at which carbon from the atmosphere (as CO2) is accumulated in the biosphere. It is equal to the NPP minus heterotrophic respiration. See Woodwell [1995].
NEP Abbreviation for National Estuary Program, an EPA program to identify problems in estuaries and recommend solutions.
[http://www.epa.gov/owow/estuaries/nep.html]  

 

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