- retention curve
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relationship between the size or age of a fish and its probability to be retained by the fishing gear after encountering it
Dictionary of ichthyology. 2009.
retention curve
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Water retention curve — is the relationship between the water content, θ, and the soil water potential, ψ. This curve is characteristic for different types of soil, and is also called the soil moisture characteristic.It is used to predict the soil water storage, water… … Wikipedia
retention — 1) the probability of a fish encountering a fishing gear and being retained by it after coming in contact with it. Often expressed as a function of size or age (retention curve) 2) pertaining to a character retained in an evolutionary sequence,… … Dictionary of ichthyology
Water retention — can refer to: *Edema or peripheral edema *Premenstrual water retention *A water retention curve for soil water potential … Wikipedia
Forgetting curve — A typical representation of the forgetting curve. The forgetting curve hypothesizes the decline of memory retention in time. A related concept is the strength of memory that refers to the durability that memory traces in the brain. The stronger… … Wikipedia
Runoff curve number — The runoff curve number (also called a curve number or simply CN) is an empirical parameter used in hydrology for predicting direct runoff or infiltration from rainfall excess.[1] The curve number method was developed by the USDA Natural… … Wikipedia
Pedotransfer function — (PTF) is a term used in soil science literature, which can be defined as predictive functions of certain soil properties from other more available, easily, routinely, or cheaply measured properties. This concept arises in soil science as… … Wikipedia
Integral energy — is the amount of energy required to remove water from an initial water content heta i to water content of heta f (where heta i > heta f). It is calculated by integrating the water retention curve, soil water potential psi( heta) with respect to… … Wikipedia
Hysteresis — Not to be confused with Hysteria. Fig. 1. Electric displacement field D of a ferroelectric material as the electric field E is first decreased, then increased. The curves form a hysteresis loop. Hysteresis is the dependence of a system not… … Wikipedia
Water content — Soil composition by phase: s soil (dry), v void (pores filled with water or air), w water, a air. V is volume, M is mass. Water content or moisture content is the quantity of water contained in a material, such as soil (called soil moisture),… … Wikipedia
Fractal in soil mechanics — The fractal approach to soil mechanics is a new line of thought. There are several problems in soil mechanics which can be dealt with by applying a fractal approach. One of these problems is the determination of soil water characteristic curve… … Wikipedia
