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next generation digital camouflage™

Average summer temperatures range from 10–15°C (50–60°F). In winter the temperatures are well below freezing. Moreover, the winter season can last for as long as eight months, in some cases.

Overall, the conditions in alpine regions are similar to those found on the [ tundra ]. Unlike tundra, however, the soil in alpine regions is well-drained, and can range from finely textured and sandy to coarse and rocky.

The periodic freezing and thawing of the soil often forms cracks in the ground, which appear as regularly patterned polygons. The summer thaws also promote solifluction — the downslope flow of water-saturated soil and other surface materials, particularly in regions underlaid by frozen ground — which produces large tracts of bare, rock-covered ground.

Because of the severe climate, vegetation in alpine regions is highly specialised. Small, slow-growing perennial plants, such as dwarf shrubs, dwarf trees, grasses, heaths, herbs, lichens and mosses, predominate.

Dim­in­ish­ed cover in alpine regions presents several chal­lenges for designers of cam­ouf­lage uni­forms. For one thing, the tac­tic­al ranges in­vol­ved can be much longer. For another, the scarc­ity of shade neces­sit­ates a mod­if­ied ap­proach to the im­plement­at­ion of macro­patterns.

Most of the macro­patterns developed for Roggen­wolf digital cam­ouf­lage pat­terns can be adapted for use in alpine regions. Still, the choice and ar­range­ment of colours is also im­port­ant. If the colours dis­play­ed in a cam­ouf­lage pat­tern dif­fer too much from the colours present in the im­mediate sur­round­ings, the target shape can still be dis­cerned and suc­cess­ful re­cog­nit­ion shall occur.

Appropriate colours help a cam­ouf­lage pattern to blend with its sur­round­ings. In some cases, the colours dis­play­ed in Roggen­wolf alpine digital cam­ouf­lage pat­terns have been derived from com­puter-aided analyses of colour satel­lite photo­graphs; the Alpine Regions 4.1 palette is illustrated on this page. Al­tern­at­ive­ly, more local­ised palettes may be creat­ed, to match spec­if­ic tac­tic­al set­tings, through com­puter-aided anal­yses of ground-level photo­graphs.