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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.



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).

References in periodicals archive ?
Quando Pingo diz a Leo que era melhor nao ter convidadoBenny, ele responde: "Por que?
Now, with Pingo SoftPhone, customers have an opportunity to use the service anywhere and enjoy our lowest rates.
Customized Alerts On Rate Reductions: To take advantage of breaking rate reductions -- including Pingo Happy Hours and Happy Days offering savings of up to 50 percent -- customers can receive automatic customized email alerts on the countries they call most.
Last but not least, the PinGo 3-in-One device also acts as a fully capable car charger with a USB input.
Pingo allows consumers to access the savings of direct-to-wholesale calling minutes on an as-needed basis without the hidden fees and surcharges typical of prepaid calling cards or the contractual obligations typical of carrier plans.
With the new features, Pingo becomes a global prepaid calling product, bringing to international markets the same competitive rates and convenience features that have fueled its growth in the U.
Pingo is a service of iBasis, one the largest carriers of international phone calls in the world(1).
The water between the permafrost and the ice-earth lid freezes, presses upwards and a pingo is born.
John Mackie was on the mark for the first time this season when Pingo Hill took the handicap hurdle.
Pingo, the prepaid international calling service from iBasis (NASDAQ: IBAS), today introduced Pingo EZ Dial, a new smartphone application that delivers automatic access to discount international calling rates for users of popular mobile devices including the iPhone, Blackberry, Treo and phones using operating systems such as Nokia Symbian, Windows Mobile and Google Android.
Pingo Reduces Rates to Facilitate Crisis Communications to Mexico
We did achieve strong year-over-year revenue and gross profit growth in two parts of our business: our web-based Pingo prepaid service offering and our Mobile Matrix portfolio of value-added mobile data services, which include global signaling, SMS and MMS interworking and global roaming services and are sold to mobile operators around the world.