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Macropore

Definition of the noun Macropore

What does Macropore mean as a name of something?

noun

  1. Any pore sufficiently wide to allow water to flow unimpeded by capillary action

Specialised definition of the noun Macropore

Glossary of ecology

soil pore larger than 1 mm in diameter including interparticle void, earthworm or rodent burrow, drying crack, and decayed root channel

Explanation

Macropore: In soil, macropores are defined as cavities that are larger than 75 μm. Functionally, pores of this size host preferential soil solution flow and rapid transport of solutes and colloids. Macropores increase the hydraulic conductivity of soil, allowing water to infiltrate and drain quickly, and shallow groundwater to move relatively rapidly via lateral flow. In soil, macropores are created by plant roots, soil cracks, soil fauna, and by aggregation of soil particles into peds.

Printed dictionaries and other books with definitions for Macropore

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Google previewSoil Water Measurement (2016)

A Practical Handbook by J. David Cooper

Macropores: Macropore is a name given to a variety of different void structures encountered in the soil. The principal characteristics are that they are significantly larger than the majority of pores in the soil (usually several mm width or diameter ...

Google previewChlorinated Solvents (2013)

A Forensic Evaluation by Robert D. Morrison, Brian Murphy

A macropore is a continuous soil ...

Google previewTransplants and Implants in Otology III (1996)

Proceedings of the Third International Symposium on Transplants and Implants in Otology, Bordeaux, France, June 10-14, 1995 by Michel Portmann, Philippe Boudard, Didier Portmann

The macropore is a short distance from the end of the shaft, so that the shaft can be shortened according to the specific requirements of the case. Additional shortening is possible at the end plate of the implant. Results In 112 consecutive ...

Google previewHydrology and Water Management in the Humid Tropics (2005)

Hydrological Research Issues and Strategies for Water Management by Michael Bonell, Maynard M. Hufschmidt, John S. Gladwell

questioned the adoption of the two-domain concept when there is a continuum of pore size ranges, as under these conditions macropore is a relative term. They noted that the domain concept of modelling would be ...

Google previewEncyclopedia of Agrophysics (2011)

by Jan Gliński, Józef Horabik, Jerzy Lipiec

cross section of a large vertical cylindrical macropore from a worm burrow of Lumbricus terrestris of about 0.7 cm in ...

Google previewSoil and Environmental Science Dictionary (2001)

by E.G. Gregorich, L. W. Turchenek, M.R. Carter, Denis A. Angers

macrophyte macropore See pore-size distribution. macropore macropore ßow The tendency for water applied to the soil surface at rates exceeding the upper limit of unsaturated hydraulic conductivity to move into the ...

Google previewDARE's Dictionary of Environmental Sciences and Engineering (2003)

by A.M.O. Mohamed, D. Chenaf, S. El-Shahed

Contrast to macropore. Microrelief: Small différences in relief that hâve différences in élévation up to about 2 m. bactéries, et les champignons. Micronutriments: Eléments nutritifs que les plantes exigent en petites doses ( moins de 50 mg/kg ...

Google previewEncyclopedia of Inland Waters (2009)

Macropore flow occurs through channels createdby aggregation,biotic activity, orsimilar causes. Funneled flow occurs when flow is deflectedby heterogeneitiesof the medium ...

Google previewDictionary of Ceramic Science and Engineering (2013)

by Ian J. McColm

macropore volume. Noun. The volume fraction of a porous solid comprising all interconnected pores. The size of the pore opening is sometimes specified, e.g., 35–70 nm in ...

Google previewDictionary of Invertebrate Zoology --Paperback (2010)

by Maggenti Mary Ann, Maggenti Armand, Gardner Scott

macropore see megalopore macropseudogyne see pseudogyne macropterous a. [Gr. makros, large; pteron, wing] (ARTHRO: Insecta ) Having ...

Google previewEncyclopedia of Surface and Colloid Science, 2004 Update Supplement (2004)

by P. Somasundaran

As mentioned previously, coconut carbons have a very narrow pore size distribution, possessing negligible macropore and mesopore volume, whereas the wood carbons have a high volume of larger pores, or transport pores, favoring rapid ...

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Photo about Macropore

Macropore

Soil Structure/Macropore Demonstration

The Soil Expo display run at the NRCS 2012 DakotaFest presentation also demonstrates the infiltration potential of macropore development within the soil structure.

Photo credit: USDA NRCS South Dakota

Video about Macropore

Macropore Meaning

Video shows what macropore means. Any pore sufficiently wide to allow water to flow unimpeded by capillary action. Macropore Meaning. How to pronounce ...

Scrabble value of M3A1C3R1O1P3O1R1E1

The value of this 9-letter word is 15 points, but it's not an accepted word in the Official Scrabble Players Dictionary.

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