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They can be up to 10 meters wide and are typically found on ice sheets and flat areas of a glacier in a region of transverse crevasses. Moulins can reach the bottom of the glacier, hundreds of meters deep, [3] [4] [5] or may only reach the depth of common crevasse formation (about 10–40 m) where the stream flows englacially. [6]
A A-grade Also aid climbing grade. The technical difficulty grading system for aid climbing (both for "original" and an adapted version for "new wave"), which goes: A0, A1, A2, A3, A4, A5 and up to A6 (for "new wave"). See C-grade. Abalakov thread Abalakov thread Also V-thread. A type of anchor used in abseiling especially in winter and in ice climbing. ABD Also assisted braking device. A term ...
An ice tool is a specialized elaboration of the modern ice axe, and often described broadly as an ice axe or technical axe, used in modern ice climbing and mixed climbing. [ 1 ] [ 2 ] [ 3 ] Modern ice climbers usually use them in pairs when ascending an ice climbing route , and thus in some circumstances such as top-rope - anchored climbs, a ...
Ice axe 1 – pick 2 – head 3 – adze 4 – leash 5 – leash stop 6 – shaft with rubber grip 7 – spike. An ice axe is a multi-purpose hiking and climbing tool used by mountaineers in both the ascent and descent of routes that involve snow or ice covered (e.g. ice climbing or mixed climbing) conditions.
Ice calving, also known as glacier calving or iceberg calving, is the breaking of ice chunks from the edge of a glacier. [1] It is a form of ice ablation or ice disruption . It is the sudden release and breaking away of a mass of ice from a glacier , iceberg , ice front , ice shelf , or crevasse .
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Also narrow. A land or water passage that is confined or restricted by its narrow breadth, often a strait or a water gap. nation A stable community of people formed on the basis of a common geographic territory, language, economy, ethnicity, or psychological make-up as manifested in a common culture. national mapping agency A governmental agency which manages, produces, and publishes ...
The application of geographical knowledge and techniques to the solution of economic and social problems on any scale, ranging from local to global, in disciplines such as civic planning, land use and management, location policy, and population studies, among many others. [4] apposed glacier A glacier resulting from the merging of two separate ...