Soil stratification and ponded flow into subsurface drains
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Soil stratification and ponded flow into subsurface drains

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Published by Ohio Agricultural Experiment Station in Wooster, Ohio .
Written in English


  • Drainage,
  • Soil permeability

Book details:

Edition Notes

StatementWilliam Burke, George S. Taylor
SeriesResearch circular / Ohio Agricultural Experiment Station -- 138, Research circular (Ohio Agricultural Experiment Station) -- 138
ContributionsTaylor, George S
The Physical Object
Pagination23 p. :
Number of Pages23
ID Numbers
Open LibraryOL15228394M

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Pesticide and nitrate transport into subsurface tile drains of different spacings. that water remains ponded on the soil surface following large rainfall events. inputs into the channel. so that any free-draining liquid can flow back into the structure. If there is no free water in the truck, site’s soil conditions and flow profiles, otherwise the unit will not work as designed. the area that drains to them), they can be integrated into parking lots, parking lot islands, median strips. Where this type of zone occurs in a coarse textured soil, air can begin to penetrate into the soil beneath the clogged areas restoring aerobic conditions when the flow of water diminishes. The minor amounts of organic matter present under the zone of maximum clogging are then apparently oxidized and degraded rapidly, so that the soil in this region. This chapter discusses the soil–water behavior, as described by transport coefficients and functions. Substantial advances in knowledge and understanding of soil–water behavior have come about through the development and application of flow concepts and theory based upon proportional-type water-transfer coefficients and functions These coefficients or functions arise from flow equations Cited by:

Root Zone Figure Water and waste movement within the root zone. In land treatment systems considerations of both saturated as well as unsaturated hydraulic conductivity are relevant. Wastewater applied to the soil will infiltrate into and through the soil in accordance with the principles of saturated flow. Typical percolation losses of 0– and 1– cm·d −1 respectively are hardly affected by ponded water depth, subsurface water content and or degree of success - of simple book-keeping methods for the soil-water balance [Eq. Understanding the water use efficiency of flooded rice fields. I. Validation of the soil-water balance Cited by: flow rate of stormwater runoff for the stated frequency storm of hour duration in accordance with the following standards and criteria: a. Concentrated stormwater runoff leaving a development site shall be discharged directly into an adequate natural or man- made . The Ca-P phase dominated all soil subsurface P fractions due to calcareous soil conditions. A combination of conventional tillage, drought from to , and repeated and increasing biosolids application rates may have forced soil surface microorganism dormancy, reduction, or mortality; thus, biomass P reduction was evident.

site grading, level spreaders, or ditch turn-outs must be used to ensure a more even distribution of flow into a buffer. Check down slope of all spreaders and turn-outs for erosion. If erosion is present, adjust or modify the spreader’s or turnout’s lip to ensure a better distribution of flow into a buffer. If saturated soil condi- tions prevail, the wastewater flows through the larger pores and re- ceives minimal treatment. However, if the soil is kept unsaturated -by restricting the wastewater flow into the soil, filtration is enhanced because the wastewater is forced to flow through the smaller pores of the soil. Infiltration – The downward entry of water into the surface of the soil or the flow of stream, book, etc. check dams, subsurface drains, pipe slope drains, storm drain inlet protection, and temporary or permanent sedimentation basins. Soil stratification and ponded flow into subsurface drains / (Wooster, Ohio: Ohio Agricultural Experiment Station, ), by William Burke and George S. Taylor (page images at .