Term No. | Term Name/Term Description | Action |
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130 |
Degrees of freedom | The degrees of freedom of a set of observations (ex- hypothesis are subject to sampling variation) is the number of independent values in the sample that could be assigned at will within the specification of the system...... | | Similar Terms |
981 |
Zone of saturation | That part of the earth crust where the functional interstices of permeable rock or earth are completely filled with water under positive hydrostatic pressure, that is, pressure in excess of atmospheric pressure. It is that portion of the earth crust that supplies water to springs and wells and which contains the groundwater. Strictly speaking, part..... | | Similar Terms |
1144 |
Intermittent saturation zone | The zone between the highest and lowest levels of the groundwater table as it responds to seasonal and short term weather changes...... | | Similar Terms |
1148 |
Zone of permanent non saturation | The strata above the highest water level reached in an aquifer when the groundwater table moves up and down in response to seasonal and shorter term weather changes; marks the lower limit of the permanent non saturation zone. ..... | | Similar Terms |
1149 |
Zone of permanent saturation | The saturated portion of an aquifer that lies below the lowest water level reached when the groundwater table moves up and down in response to seasonal and shorter term weather changes...... | | Similar Terms |
1653 |
Degree of dispersion | Extent to which soil aggregates are broken down to primary particles by any given treatment. | | Similar Terms |
1665 |
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1720 |
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1770 |
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1772 |
Base saturation | Exchange capacity saturated with metallic cations of pH 7 or over. | | Similar Terms |
1774 |
Degree of saturation (V) | Percentage ratio of exchangeable cations exclusive of H+ (= S ) to total exchangeable cations inclusive of H+ (= T ), i.e. ..... | | Similar Terms |
1802 |
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1804 |
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1805 |
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1812 |
Water of saturation | The total water that can be absorbed by water-bearing soil without dilation of the soil particles. | | Similar Terms |
1814 |
Water of supersaturation, or Water of dilation | Groundwater in excess of water of saturation occurring in earth, such as quicksand, plastic clay, or flowing mud, whose particles have lost contact and are more or less separated...... | | Similar Terms |
1815 |
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1841 |
Saturation capillary head | The distance from the free water surface to the highest elevation at which complete saturation exists. | | Similar Terms |
2154 |
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3200 |
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3842 |
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4906 |
Day-degree, or Degree day | Variation of one degree per day in mean daily temperature, above an adopted standard reference temperature (usually 10oC). The number of degree days for a single day is the actual variation of mean temperature from the standard. The number of degree days is a month, or other interval, is the sum of daily values. When the mean temperature on a given..... | | Similar Terms |
4986 |
Saturation vapour pressure | Upper limit of vapour pressure at a given temperature or vapour pressure which the air would have if saturated at the air temperature...... | | Similar Terms |
5031 |
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5044 |
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