Dynamic Irrigation Treatment
Dynamic Irrigation Treatment - Related Videos
01:27
Design Example: Design of an Irrigation Channel
0 Views •
2025
Trapezoidal channels are widely used in irrigation systems due to their cost-effectiveness and efficiency in conveying water. Trapezoidal channels feature a flat bottom and sloping sides, making them stable and easier to construct compared to other shapes. The bottom width and side slope ratio are determined based on the required flow capacity and site conditions. The side slope is kept gentle for unlined channels to prevent soil erosion.Hydraulic parameters in channel design include the flow...
12:03
Dynamics of Structures
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2023
Source: Roberto Leon, Department of Civil and Environmental Engineering, Virginia Tech, Blacksburg, VA It is rare nowadays that a whole year goes by without a major earthquake event wreaking havoc somewhere around the world. In some cases, like the 2005 Banda Ache earthquake in Indonesia, the damage involved large geographic areas and casualties in the six figures. In general, the number and intensity of earthquakes is not increasing, however, the vulnerability of the built environment is...
02:20
Dynamic Equilibrium
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2020
A reversible chemical reaction represents a chemical process that proceeds in both forward (left to right) and reverse (right to left) directions. When the rates of the forward and reverse reactions are equal, the concentrations of the reactant and product species remain constant over time and the system is at equilibrium. A special double arrow is used to emphasize the reversible nature of the reaction. The relative concentrations of reactants and products in equilibrium systems vary greatly;...
11:39
The Goeckerman Regimen for the Treatment of Moderate to Severe Psoriasis
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Cited by 26 •
2013
Psoriasis is a chronic, immune-mediated inflammatory skin disease. The Goeckerman regimen, formulated for the treatment of psoriasis, consists of exposure to ultraviolet B (UVB) light and application of crude coal tar (CCT). The following protocol is for the administration of Goeckerman therapy for the treatment of moderate-to-severe psoriasis.
03:15
Energy Dynamics - Concepts
0 Views •
2019
The Food Chain Energy is one of the most important abiotic factors in an ecosystem and organisms in an ecosystem are connected by the flow of energy and matter among one another. Since energy can be neither created nor destroyed, it can only change form or be transferred to the next organism in a food chain. For example, every time a cow grazes on grass or an osprey hunts and consumes fish, energy is transferred from the consumed organism to the consumer. Each of these interactions in a food...
FAQs
Decision rules translate measurements into irrigation actions, such as changing when water is applied, how long delivery continues, or how much water is released. As soil moisture, weather conditions, or plant water demand shift, the rules can trigger different settings instead of preserving one predetermined schedule. This feedback-based control helps keep soil moisture within a suitable range while limiting unnecessary application.
A fixed schedule applies water according to predetermined timing or amounts, even when environmental conditions change. Dynamic Irrigation Treatment responds to those changes, so irrigation can be adjusted when conditions indicate greater or lower water demand. This distinction matters because it can reduce overwatering, runoff, and evaporation while supporting more efficient use of available water.
Soil moisture indicates whether water is already available in the soil, while weather conditions provide information about changing environmental demand. Plant water demand adds a crop-related signal to the decision process. Considering these measurements together gives the control system a broader basis for adjustment than relying on time alone, helping align water delivery with current conditions.
Implementation begins by selecting measurements that represent soil and crop water conditions, along with relevant weather information. Researchers or managers then establish decision rules that connect those measurements to irrigation timing, duration, or volume. The rules are applied through irrigation equipment, and subsequent conditions can guide further adjustments. This workflow links observation, decision-making, delivery, and reassessment.
This approach is useful when researchers or managers need to examine how irrigation affects water conservation and environmental sustainability. It provides a framework for changing water delivery as conditions vary, rather than separating irrigation from the surrounding environment. In agricultural systems, that makes it relevant for evaluating water-use efficiency, soil-moisture management, and potential reductions in unnecessary losses.
Researchers can assess whether irrigation maintains suitable soil moisture while reducing avoidable water losses. Relevant outcomes include water-use efficiency and changes in losses associated with overwatering, runoff, or evaporation. The approach also supports evaluation of how management decisions influence resource conservation and agricultural-system resilience, connecting irrigation performance with broader environmental objectives.