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In physical geography, a dell is a grassy hollow—or dried stream bed—often partially covered in trees. [1] [2] In literature, dells have pastoral connotations, frequently imagined as secluded and pleasant safe havens. The word "dell" comes from the Old English word dell, which is related to the Old English word dæl, modern 'dale'.
Agricultural patterns of crop production in Kansas Cultivated terraces at Pisacu, Peru. Agricultural geography is a sub-discipline of human geography concerned with the spatial relationships found between agriculture and humans. That is, the study of the phenomena and effects that lead to the formation of the earth's top surface, in different ...
This glossary of geography terms is a list of definitions of terms and concepts used in geography and related fields, including Earth science, oceanography, cartography, and human geography, as well as those describing spatial dimension, topographical features, natural resources, and the collection, analysis, and visualization of geographic ...
Direction determination refers to the ways in which a cardinal direction or compass point can be determined in navigation and wayfinding.The most direct method is using a compass (magnetic compass or gyrocompass), but indirect methods exist, based on the Sun path (unaided or by using a watch or sundial), the stars, and satellite navigation.
Coordinate charts are mathematical objects of topological manifolds, and they have multiple applications in theoretical and applied mathematics. When a differentiable structure and a metric are defined, greater structure exists, and this allows the definition of constructs such as integration and geodesics .
Direction determination refers to the ways in which a cardinal direction or compass point can be determined in navigation and wayfinding. The most direct method is using a compass ( magnetic compass or gyrocompass ), but indirect methods exist, based on the Sun path (unaided or by using a watch or sundial ), the stars, and satellite navigation .
32-point compass rose. The points of the compass are a set of horizontal, radially arrayed compass directions (or azimuths) used in navigation and cartography.A compass rose is primarily composed of four cardinal directions—north, east, south, and west—each separated by 90 degrees, and secondarily divided by four ordinal (intercardinal) directions—northeast, southeast, southwest, and ...
The orientation of a map is the relationship between the directions on the map and the corresponding compass directions in reality. The word " orient " is derived from Latin oriens , meaning east. In the Middle Ages many maps, including the T and O maps , were drawn with east at the top (meaning that the direction "up" on the map corresponds to ...