pingo

[′piŋ·gō]

(hydrology)

A frost mound resembling a volcano, being a relatively large and conical mound of soil-covered ice, elevated by hydrostatic pressure of water within or below the permafrost of arctic regions.

The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Pingo

a dome-shaped elevation of the earth’s surface, not exceeding 30-40 m in height and 300-400 m in diameter at the base. Pingos are found both isolated and in groups in regions of widespread frozen rocks. They arise during the upheaval of rocks after local accumulation of ice within them, usually in depressions. Pingos may be seasonal or long-term. Depending on the mechanisms of ice accumulation, these mounds are classified as pingos proper or hydrolaccoliths— pingos with ice cores. Local terms for pingos include bulgunniakh (Yakut) and sede (Nenets).

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References in periodicals archive

Based on the means that were grouped according to statistic analysis,, it was observed a formation of a group according to shoot length, indicating that BRS Itaim, BRS Potengi and BRS Arace were the most sensitive to salinity, and BRS Guariba cultivars, BRS 17 Gurgueia, Paulistinha, Pingo de Ouro, BRS Maratana, Costela de Vaca and Canapu Branco the most tolerant genotypes.

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The connection also extends iBasis' wholesale termination capabilities to Paraguay, providing more reliable routes and competitive pricing for its carrier customers and consumers of the company's retail prepaid calling cards and Pingo web-based services.

Compania Paraguaya de Comunicaciones connects to iBasis

Frost heave can be so impressively high in Canada that we have a special name for it: "pingo," and we put it on our stamps (Photo 3).

Double rubble toil & trouble

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A shining light in the ga ardener's world; Ness Gardens will be lit up for the first time at Christmas, inspired by its German links. Peter Elson reports

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Portuguese retailer Pingo Doce and their packer ELS Lda have recently introduced Amcor TapeTop[R] for their fresh cut herbs.

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Cafe Iguacu is consistently educating Brazil's youth through their Environmental Education Program, Pingo D'Agua (Water Drop).

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Pingo (http://www.pingo.com) , Burlington, Mass., the prepaid VoIP calling service (Voice over Internet Protocol) from iBasis (NASDAQ: IBAS), has announced rate reductions on fixed-line and mobile phone international calling to 70 countries by as much as 59 percent.

PINGO REDUCES FIXED-LINE/MOBILE INTERNATIONAL CALLING RATES