Natural environment

Natural environment

Related to any physical feature of the earth's natural environment.

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Natural environment > Speleology

cave art

Natural environment; Speleology

Paintings on cave walls and ceilings, especially dating to prehistoric times.

bowline

Natural environment; Speleology

A loop knot that neither slips nor jams.

bivouac

Natural environment; Speleology

A temporary camp that provides less comfort and shelter from the elements than a conventional tented campsite. Sleeping is usually in light tents or purpose-designed bivvy-bags.

diving gear

Natural environment; Speleology

The fundamental item of diving equipment used by divers is scuba equipment, such as the aqualung or rebreather.

sinking creek

Natural environment; Speleology

When surface water disappears through numerous sink holes located in a line, the resultant feature is called 'sinking creek'.

helical knot

Natural environment; Speleology

The helical knot (or, ascender knot) is a friction knot used with rope climbing systems to attach a smaller sling (7-8 mm) to the main line (11 mm). When there is no tension on ...