accumulation area

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accumulation area

[ə·kyü·myə′lā·shən ′er·ē·ə]
(hydrology)
The portion of a glacier above the firn line, where the accumulation exceeds ablation. Also known as firn field; zone of accumulation.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Mercury levels will drop again on Friday as unstable weather conditions will continue with clouds at various altitudes and scattered showers that may turn heavier accompanied by hail thunder causing floods in valleys, lowlands and water- accumulation areas. Winds will be northwesterly moderate to brisk blowing dust in the desert, the JMD further said.
Unfortunately, ground measurements of glaciers in the region have been limited; glaciers in the Karakoram are large and their accumulation areas are often steep and difficult or impossible to access.
Food debris accumulation areas: Look in the apparent areas where food is stored, prepared and served, and where trash is discarded but also in less noticeable places.
Packing and shipping: Once the shipping process begins, cartons are conveyed from the various accumulation areas to the shipping sorter (13).
It enables the calculation of the sediment transport rates and possible bottom changes (erosion and accumulation areas) caused by the flows and waves.
Other alleged violations included failing to manage hazardous wastes in accordance with requirements by storing two 55-gallon containers of sodium hydroxide sludge together, in excess of the 55-gallon limit for hazardous waste accumulation areas; and storing hazardous waste in a tank that was not designed for that purpose and was not being managed in accordance the required tank operating standards.
Accumulation areas are geomorphologically highlighted on the plain with seasonal floods and other areas of fluvio-lacustrine accumulation.
That DEP alleged that state workers found during inspections last year that Wal-Mart failed to provide adequate security for waste oil accumulation areas, post signs, keep adequate records, properly delineate waste oil accumulation areas, label hazardous waste and waste oil containers, and keep wastes separated.
These findings confirm the results of area change studies, which show that small basins at the periphery of the ice cap, with relatively low mean elevations and accumulation areas that do not extend to the main ice divides, are more sensitive to climatic change (Burgess and Sharp, 2004).
Although it is still overwhelmingly ablation, there are small accumulation areas tucked into the higher defiles, clinging on in patches of permanent shadow.