Soil Freezing
Analysis of Model of Soil Freezing and Thawing
... of soil and focusing on quantitative and qualitative prediction of frost heave ...the soil freezing model by Mikkola and Hartikainen (1997 [13], 2001 [14]), which incorporates some parameters without ...
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Soil freezing effects on a grass-dominated old field ecosystem under current and future rates of atmospheric nitrogen deposition
... both soil N dynamics and primary production over the summer (Hutchison and Henry 2010, Turner and Henry 2010), it has not been useful for testing several other important aspects of this ...increased soil ...
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Multi-scale validation of a new soil freezing scheme for a land-surface model with physically-based hydrology
... the soil freezing pro- cesses similarly impact the modeled hydrographs: the re- duction of spring water infiltration within the soil leads to a spring peak of runoff concomitant with the timing of ...
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Soil Homogenization: Plant Species Diversity, Ecosystem Properties and Soil Freezing Effects During Tallgrass Prairie Restoration
... 2014). Soil spatial heterogeneity occurs in the form of microsites, which are patches of soil with distinct features compared to their surroundings ...(e.g. soil depth to bedrock, hummocks, hollows, ...
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Effects of freezing on soil temperature, freezing front propagation and moisture redistribution in peat: laboratory investigations
... in freezing peat. Soil column studies under con- trolled laboratory settings can help isolate and understand the effects of different factors controlling freezing of the active layer in organic ...
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Response Relationship between the Seasonal Freezing Thawing Process of Soil and Spatial Factor Changes in the Dayekou Basin of the Qilian Mountains
... soil’s freezing-thawing process and the topographic space factors was considered as a rough estimation relationship, with more focus on a single factor, and less focus on comprehen- sive ...the soil ...
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Sensitivity of active-layer freezing process to snow cover in Arctic Alaska
... Regional soil model simulation and analysis We conducted an integrated analysis of in situ ground obser- vations, soil model simulations and airborne radar retrievals to investigate the sensitivity of ...
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Spatial and temporal variability of soil freeze thaw cycling across Southern Alberta, Canada
... the soil [20] preventing the soil from freezing to the 5 cm ...initial soil freeze and final thaw at 5 cm, cold tempera- tures may have come early with warmer temperatures coming earlier as ...
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A robust and energy-conserving model of freezing variably-saturated soil
... include soil freeze-thaw into a numerical model is the work of Nakano and Brown (1971), who assumed the advance of the freezing front as a moving ...porous soil, and introduced the ef- fect of an ...
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Coupled heat and water transport in frozen soils
... 1989; SOIL model by Jansson, 1998; HYDRUS by Simunek et ...words, soil drying in unfrozen soils and soil freezing in frozen ground are assumed to be similar processes with exception of latent ...
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Vitrification freezing of large ovarian tissue in the human body
... vitrification freezing group, the positive staining of follicles during the growing period was identified, indicating that ovarian tissues after vitrification freezing continued to have a potential for ...
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Freezing Point Method
... Western States Agricultural Experiment Stations in cooperation withH. The United States Department of Agriculture.[r] ...
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Survival of intracellular freezing by the Antarctic nematode Panagrolaimus davidi
... The freezing of ...photomicroscope. Freezing was initiated in the space between the oesophagus and the body wall in the region just anterior to the posterior bulb of the oesophagus ...(A,B). Freezing ...
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Experimental quantification of contact freezing in an electrodynamic balance
... the freezing rate when an individual droplet or an ensemble of supercooled droplets interacts with the system of aerosol particles (DeMott, 1995; Diehl et ...of freezing events is measured, and the ice ...
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Influence of freeze-thaw events on carbon dioxide emission from soils at different moisture and land use
... the soil organic matter resulting from a reduced microbial ...that freezing- thawing induces stronger destabilization of microbial communities and it takes more time to restore in compar- ison with the ...
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Effect of solid phase wettability on water transport and retention in peat enriched soil affected by freezing/thawing
... horizontal soil bed using a thin column wicking technique (Chibowski, 1992; Chibowski and Ho³ysz, ...the soil, and its change due to immersion in water, con- stitute the driving force responsible for water ...
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Optimization of human peripheral blood mononuclear cells (PBMCs) cryopreservation
... final freezing medium has been suggested to be 10% and lowering the concentration usually adversely affects the cell survival ...of freezing, its higher concentration might increase the cytotoxicity, hence ...
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Dehydration of Prions on Environmentally Relevant Surfaces Protects Them from Inactivation by Freezing and Thawing
... of freezing and thawing (D.F.T.) in either unadsorbed or soil-adsorbed ...of freezing and thawing in either unadsorbed or soil-adsorbed ...
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Investigation of formulation and process of lyophilised orally disintegrating tablet (ODT) using novel amino acid combination
... the freezing step is one of the most important steps as it determines the size and morphology of the ice crystals within the frozen material and, consequently, the final inner- structural feature of the ...
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Revisiting the differential freezing nucleus spectra derived from drop-freezing experiments: methods of calculation, applications, and confidence limits
... in freezing temperatures are usually ...in freezing temperatures are associated with specific differences in INPs so that the variations in freezing temperatures indicate a nonrandom distribution of ...
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