Definition
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Term Definition
ALTITUDE (ALT)This term only is used here for the height above sea level. The reason is explained under ELEVATION!
 
ALTITUDE CLASS (AC)This is an important part of the ELEVATION EQUALITY mountain separation system (EE). See page DOMINANCE!
 
BASIN SADDLE (BS)Saddle that belongs to a depression.
 
DOMINANCE MASTER (DM)The mountain on the connecting ridge, that is higher and more dominant. For example a low coastal hill range is often very isolated from the large continental high mountain complex, so it is very independent and therefore the DM is mostly the culmination of the whole continental main complex. Don't confuse this orological term with the air distance "DM", which was "created" later.
 
ELEVATIONThis term is used here only for elevations of the ground, hills and mountains, not for the height above see level, as it is used mostly in the USA. As a convincing example concerning mountains, it is also common to speak about "high altitude sickness" and not about "high elevation sickness".
 
ELEVATION UNIT (EU)Again an important part of EE, which is described in detail in the page DOMINANCE!
 
KEY SADDLE (KS)The saddle that belongs to just one mountain or peak in the orological hierarchy.
 
OROGRAPHYMainly used term for drawings of mountain ridge maps or route sketches.
 
OROLOGICAL DOMAINThe area of a mountain's catchment basin, the "mirror" of a river's catchment basin -- mainly identical with the term Elevation Unit.
 
OROLOGYScience of mountain comparisons, mainly used for the logical separations of elevation units.
 
OROMETRICAL DOMINANCE (D)The percentuage of independence of a given Elevation Unit. Later other researchers also named another measurement "Dominance", it's the direct air distance to a higher peak. It is named "Isolation" in the USA. Because it is also used across water it's not useful in the science of orometry.
 
OROMETRICAL PROMINENCE (P)The height above the saddle that connects a mountain to a higher one on the highest ridge connection. More details and other used terms in the text at the page PROMINENCE! The term Topographic Prominence is not useful, because it is also used for several other subjects!
 
OROMETRYEarlier used term for calculations of average heights of ranges (1890: The orometry of the High Tatras). Recently mainly used term for mountain measurements such as prominence, dominance or impressiveness.
 
PROMINENCE MASTERThe parent mountain in the orological hierarchy, that is higher and more prominent on the connecting ridge.
 
SUPREME MOUNTAINThe highest mountain of all Elevation Units with 10,5 % D or more, beginning with subgroup culminations! See systematic trees on the DOMINANCE page!
 


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Definition