نتایج جستجو برای: wetting drying
تعداد نتایج: 30536 فیلتر نتایج به سال:
A relevant part of the geotechnical infrastructure in north Europe and overseas is built on soft organic soils, including peat. Peat extremely vulnerable to climate-related hazards as increased temperature accelerates drying, shrinkage decomposition matter. exhibits dramatic changes volume with water content. As material deforms, pore space evolves retention response. The evolution leads a hyst...
Concrete shrinkage and creep under variable hydric conditions are important factors for the safety durability of concrete especially in nuclear reactor or waste storage background. A large (and long – more than 900 days) experimental campaign, conducted on two different concretes, has therefore been designed to study strains non loaded concretes submitted drying liquid water imbibition cycles. ...
In Malaysia, numerous methods have been subsequently established subjected to water-saving irrigation aiming improve the common conventional system. However, among most preferred method, alternate wetting and drying (AWD) adoption are presently in paddy cultivation yet has very limited information, especially locally. Hence, this study intended propose two treatments, namely continuously floode...
In what is arguably one of the most dramatic phenomena possibly associated with climate change or natural climate variability, the location of El Niño has shifted more to the central Pacific in recent decades. In this study, we use statistical analyses, numerical model experiments and case studies to show that the Central-Pacific El Niño enhances the drying effect, but weakens the wetting effec...
abstract soil drying and rewetting (drw) cycles are considered as environmental stress that would affect the physical, chemical and biological properties of soil and nutrient cycles. the study of soil drying and rewetting effects on plant nutrition and soil fertility is very important and crucial specially their environmental effects. in this study, the effects of 1, 2, 3, 4 and 5 drying and re...
Abstract The Mediterranean mixed coniferous and broad-leaved forest of Moarda (Palermo) was affected by a large wildfire in summer 2020. In spring 2021, burned unburned loam soil sites were sampled the water drop penetration time (WDPT) ethanol percentage (EP) tests applied to assess influence wetting-drying processes content on post-fire repellency (SWR) as well its vertical distribution. Acco...
in order to evaluate the possibility and compare different irrigation methods in ricecultivation, an experiment was conducted in factorial based randomized complete blockdesign at rice research institute of iran, mazandaran (amol), during 2011. treatments weredifferent irrigation regimes including alternate wet and drying (awd), semi-dry cultivation(sdc), combining shallow water depth with wett...
Past cold climates are often thought to have been drier than today on land, which appears to conflict with certain recent studies projecting widespread terrestrial drying with near-future warming. However, other work has found that, over large portions of the continents, the conclusion of future drying versus wetting strongly depends on the physical property of interest. Here, it is shown that ...
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