نتایج جستجو برای: disc infiltrometer
تعداد نتایج: 45218 فیلتر نتایج به سال:
Water infiltration into the soil profile and runoff losses in arable lands are related to the condition of the top layer. The tillage treatment (included no-till) of the top layer plays a key role in changes of the hydro-physical properties, mainly saturated hydraulic conductivity (K) of the treated layer. This paper is focused on the influence of repeated tillage treatments in the same localit...
Hydrological monitoring is crucial to designing agricultural water management (AWM) interventions. This study characterizes the soil hydraulic properties of Alfisols and Vertisols develops rainfall-runoff-soil loss relationships through long-term hydrological monitoring. Two types landform techniques, i.e., raised bed flat bed, were followed in three paired watersheds 2–5 ha, characterized by d...
similar fractured rock formations elsewhere. One possible means for obtaining such estimates is the use of The search for a permanent storage facility for the geological distension infiltrometers. posal of high-level nuclear waste has motivated extensive research Tension infiltrometers have long been used in soil hyduring the past several decades to characterize and predict fluid flow into and ...
in view of potential biological activities of small molecule polyamides, we synthesized some novel n-(2-aminoethyl)-1-benzyl-2- (alkylthio)-1h-imidazole-5-carboxamide (7a,b), and n-(2-(1-benzyl-2-(alkylthio) -1h-imidazole- 5-carboxamido) ethyl)-1-benzyl-2- (alkylthio)-1h-imidazole-5-carboxamides (8a,b) as antitumor agents. the antitumor activity of compounds 7a,b and 8a,b was studied at concent...
The soil structure near the surface of agricultural soils changes with season mainly by land management together climatic and biological factors. Quantitative analysis post-tillage in related hydraulic properties are necessary for evaluating improving models hydrological transport processes. objectives this study were to quantify seedbed induced rainfall drainage estimate eff ;ects texture SOC o...
The vertical change in the number of macropores causes a variation relative macroporosity (wf) and effective aggregate width (dag) over soil profile. Both parameters are used HYDRUS to represent this variation, increasing making automated calibration challenging. working hypothesis is that we can improve an analytical estimation wf dag developed previous research by inverse with meta-model for ...
Abstract Infiltration stormwater control measures (SCMs) have the potential to contribute towards mitigating effects of urbanization on downstream receiving waters. SCMs are most often successful when in‐situ saturated hydraulic conductivity ( K sat ) is well characterized. In this paper numerical solutions Richards’ equation used quantify bias seven infiltration measurement methods, removing n...
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