نتایج جستجو برای: soil subsidence
تعداد نتایج: 185226 فیلتر نتایج به سال:
It has long been recognized that New Orleans is subsiding and is therefore susceptible to catastrophic flooding. Here we present a new subsidence map for the city, generated from space-based synthetic-aperture radar measurements, which reveals that parts of New Orleans underwent rapid subsidence in the three years before Hurricane Katrina struck in August 2005. One such area is next to the Miss...
The major geological features of Euganean thermal basin are recalled. It is then noted that excessive withdrawal of thermal waters, especially concentrated at Abano Terme, has caused serious lowering of the piezometric levels (2.5 m/years were measured during the period 1970-1973). The intervention performed by the unitary Management imposed by Italian Government, led to the stabilization of th...
Soil tilth is crucial to seedling emergence, plant growth, and crop yield. Soil tilth of unstable soil is very susceptible to change. Internal forces originating from matric suction can change soil physical properties. A laboratory study was conducted on pots of a surface silty clay loam soil of Khomeinishahr series (fine-loamy, mixed, thermic Typic Haplargids, USDA), located in Research Farm o...
Soil tilth is crucial to seedling emergence, plant growth, and crop yield. Soil tilth of unstable soil is very susceptible to change. Internal forces originating from matric suction can change soil physical properties. A laboratory study was conducted on pots of a surface silty clay loam soil of Khomeinishahr series (fine-loamy, mixed, thermic Typic Haplargids, USDA), located in Research Farm o...
Arbuscular mycorrhizal fungi (AMF) technology of bioremediation becomes one of the most hotspots in the research on coal-mining subsidence land. This article based on amorpha fruiticosa planting in the mining subsidence of Shendong mining area as a study object, arbuscular mycorrhizal fungi was vaccinated on amorpha fruiticosa after different monitor time, respectively measures are used to anal...
Neogene friable deposits of the Quaternary age, widespread in Mongolia, belong to loess-like subsidence soils, mainly type I terms subsidence, and are kyrogenic-sublimation origin. As a result sublimation process permafrost ice (the most recent Altai-Tunguska which covered Euro-Asian region 15-18 thousand years ago) seasonal deep frozen occurring for many structure is decompacted, as latter, po...
Abstract The population growth, the development of cities, industry, agriculture, and improper use of resources especially non-renewable resources have led human beings to face the danger of running out of resources. In some cases, in addition to the above, irreversible environmental and geological hazards have occurred due to the overdrawn of resources. Over extraction of groundwater resourc...
Deep hard coal mining activities lead to land subsidence, resulting in infrastructural influences and hydrological changes. In the case of underground mining, a dislocation zone which transforms in the upward direction into flexure of the strata occurs directly above the mined area. A depression is formed on the surface. The shape of this depression depends on the structure of the deposit, mini...
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