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Land cover maps are tools that provide vital information about the Earth's land use and cover patterns. They aid policy development, urban planning , and forest and agricultural monitoring. [ 1 ] [ 2 ]
A soil map is a geographical representation showing diversity of soil types or soil properties (soil pH, textures, organic matter, depths of horizons etc.) in the area of interest. [1] It is typically the result of a soil survey inventory, i.e. soil survey .
If the railway ran predominantly north and south, a 10-mile (16 km) township of one square mile sections was allotted on each side of the 400-foot (120 m) right-of-way. The land was granted in alternating sections (one square mile), with each odd numbered section going to the railroad company and each even numbered section kept by the government.
As the name suggests, an acre-foot is defined as the volume of one acre of surface area to a depth of one foot.. Since an acre is defined as a chain by a furlong (i.e. 66 ft × 660 ft or 20.12 m × 201.17 m), an acre-foot is 43,560 cubic feet (1,233.5 m 3).
The activity of soil is the ratio of the plasticity index to the clay size fraction. If activity is less than 0.75, the soil is inactive. If activity exceeds 1.4, then the soil is termed active. If activity lies within the above values, then the soil will be moderately active. [10]
Base-cation saturation ratio (BCSR) is a method of interpreting soil test results that is widely used in sustainable agriculture, supported by the National Sustainable Agriculture Information Service (ATTRA) [1] and claimed to be successfully in use on over a million acres (4,000 km 2) of farmland worldwide.
The land upon which it is built was created in the 1970s by land reclamation on the Hudson River using over 3 million cubic yards (2.3 million cubic meters) of soil and rock excavated during the construction of the World Trade Center, [6] the New York City Water Tunnel, and certain other construction projects, as well as from sand dredged from ...
Through 2003, a total of 33,600 cubic yards (25,700 m 3) of sedimentation, sludge and soil have been removed for disposal and incineration. [248] The area was then back filled with top soil. In June 2011, a five-year review of the site was published. At that time the remediation status was complete as of date: 9/21/2004.