Results 201 to 210 of about 13,202 (255)

Topography constrains the climatic response of treeline migration in Taiwan's subalpine forests

open access: yesEcography, EarlyView.
Treelines are moving upslope, but the rates and drivers differ among different regions, globally. Many studies have examined the relationship between treeline movement and climate change, particularly rising temperature, while the role of topographical factors has received much less attention, despite the longstanding recognition of its importance.
Kuan‐Yu Chen   +3 more
wiley   +1 more source

Non-destructive assessment of lime and nano-alumina oxide stabilized clay for new material development. [PDF]

open access: yesSci Rep
Fahimi R   +4 more
europepmc   +1 more source
Some of the next articles are maybe not open access.

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Soil compaction and soil management – a review

Soil Use and Management, 2009
Abstract Soil compaction is an important component of the land degradation syndrome which is an issue for soil management throughout the world. It is a long standing phenomenon not only associated with agriculture but also with forest harvesting, amenity land use, pipeline installation, land restoration and wildlife trampling.
exaly   +2 more sources

COMPACTION OF SOILS.

Journal of the Institution of Civil Engineers, 1949
Synopsis. Soil compaction is the process whereby soil is mechanically compressed through a reduction in the air voids. It is measured in terms of the dry density or amount of solid matter in unit volume. Soils range in dry density from about 140 lb. per cubic foot for coarse-grained gravels and sands to about 90 lb.
openaire   +1 more source

Compacted Soils

2022
When unsaturated soils are subjected to drained or undrained compression tests, they approach the saturated compression line with different slopes. This difference in slopes is produced by the amount of collapse of each path. During compression, four main phenomena occur in these materials: first, with the reduction in volume, the degree of ...
openaire   +1 more source

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