firn


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Related to firn: firn snow

firn

[fərn]
(hydrology)
Material transitional between snow and glacier ice; it is formed from snow after existing through one summer melt season and becomes glacier ice when its permeability to liquid water drops to zero. Also known as firn snow.
References in periodicals archive ?
He made a second visit in January 1975 to the RISP site and to the Soviet Vostok Station, accompanied by John Splettstoesser (RISP), to sample firn from a snow pit dug before his arrival by station staff under the direction of N.
As an example we analysed several samples of firn from the firn core B26 which was drilled during the North Greenland traverse of the Alfred Wegener Institute Bremerhaven in 1995.
Asimismo, otro componente esencial del TCA, la provision de un servicio integral de atencion, tanto clinica como social, ha sido uno de los principales objetivos de los servicios ordinarios de salud mental en el Reino Unido durante los ultimos quince anos (Burns y Firn, 2002).
As part of the OTB Web, each participating state will create its own WWW site as an entry point to the OTB Web, and it will distribute curriculum materials within the state on a state or regional network (such as FIRN in Florida or TENET in Texas).
First, the snowflakes turn to ice crystals, called firn. In Alaska this may take only about 30 years.
"In our efforts to turn analytics up to eleven across ANZ, we intend to continue to work closely with our amazing partners including MIP, RXP Services Limited, Tridant, Billigence, Acquum Consulting, FIRN Analytics, Webranz while strengthening our local sales, support and market presence." Alteryx will be participating in the Gartner Data & Analytics Summit 2018 in Sydney, Australia this week.
Gregory Firn, now a Utah-based consultant, put communication at the top of his agenda when he began his two superintendencies, in Milford, Conn, and Anson County, N.C.: in his first one-on-one meetings with board members, Firn took care to establish which communication method--email, telephone call, hard copy--each board member preferred.
The reservoir is known as a "perennial firn aquifer" because water persists within the firn, layers of snow and ice that don't melt for at least one season.
The 1960s firn line elevation also varied across the ice cap: 1490 m asl in the northwest sector, 1400 m asl in the southwest sector, and 1370 m asl in the southeast sector, which is a location that sees maximum accumulation and minimal ablation (Koerner, 1966b).
At a depth of 8,000ft, the drill team will retrieve not solid ice but a half-snow, half-ice substance called firn, which has the appearance of wet sugar but also a hardness that makes it extremely resistant.