Shastra (à¤¶à¤¾à¤¸à¥à¤¤à¥à¤°, IAST: ÅÄstra, IPA: ) is a Sanskrit word that means precept, rules, manual, compendium, book or treatise in a general sense. The word is generally used as a suffix in the Indian literature context, for technical or specialized knowledge in a defined area of practice.
Ice calving. Ice calving, also known as glacier calving or iceberg calving, is the breaking of ice chunks from the edge of a glacier. It is a form of ice ablation or ice disruption and is normally caused by the glacier expanding. It is the sudden release and breaking away of a mass of ice from a glacier, iceberg, ice front, ice shelf, or crevasse.
The termini of glaciers where loss of ice occurs through calving, melting or evaporation. zone of accumulation. The snowfields or cirques of mountain glaciers and the snowfields of continental glaciers are called the zone of accumulation because it is here than new snow falls to nourish the glacier. zone of fracture. The upper 50 meters of glacial ice is brittle and is carried by the ice below it.