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Ap—0 to 8 inches (200 mm); dark yellowish brown (10YR 4/4) sandy loam; weak medium granular structure; very friable; slightly acid; abrupt smooth boundary. 2 inches (51 mm) to 8 inches (200 mm) thick.
An abyssal plain is an underwater plain on the deep ocean floor, usually found at depths between 3,000 and 6,000 metres (9,800 and 19,700 ft).Lying generally between the foot of a continental rise and a mid-ocean ridge, abyssal plains cover more than 50% of the Earth's surface.
The total number of human beings that an area can support given the quality of the natural environment and the level of technology of the population. [2] cartography The study and practice of making maps and charts. A person who draws or makes maps or charts is called a cartographer. [1] cartogram
Depending the specific source of these concretions, they vary in an infinite variety of forms that include disc-shapes; crescent-shapes; watch-shapes; cylindrical or club-shapes; botryoidal masses; and animal-like forms. They can vary in length from 2 in (5.1 cm) to over 22 in (56 cm) and often exhibit concentric grooves on their surfaces.
A gleysol or gley soil is a hydric soil that unless drained is saturated with groundwater for long enough to develop a characteristic gleyic colour pattern. The pattern is essentially made up of reddish, brownish, or yellowish colours at surfaces of soil particles and/or in the upper soil horizons mixed with greyish/blueish colours inside the ...
The term soil catena is used to describe the lateral variation in soils over a hillslope. [2] [3] The catena concept originated in central Uganda by chemist W.S. Martin [4] to describe a hill slope sequence at the Bukalasa research station. The term catena (Latin: chain) was first coined by scientist Geoffrey Milne to describe these soil ...
Level (optical instrument), a device used to measure true horizontal or relative heights; Spirit level or bubble level, an instrument designed to indicate whether a surface is horizontal or vertical; Canal pound or level; Regrading or levelling, the process of raising and/or lowering the levels of land; Storey or level, a vertical unit of a ...
The Barkly Tableland is a region in the Central East of the Northern Territory, extending into Western Queensland. The region was named after Sir Henry Barkly.The epithet "Tableland" is inaccurate, since the region is neither elevated relative to adjacent landforms, nor are the boundaries marked by a distinct change in elevation.