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Sunday, May 10, 2020 | History

2 edition of theoretical study of infiltration into range and forest soils found in the catalog.

theoretical study of infiltration into range and forest soils

Joel Eugene Fletcher

theoretical study of infiltration into range and forest soils

a final technical report

by Joel Eugene Fletcher

  • 335 Want to read
  • 22 Currently reading

Published by Utah Water Research Laboratory in Logan .
Written in English

    Places:
  • West (U.S.)
    • Subjects:
    • Soil percolation.,
    • Soil capillarity.,
    • Soils -- West (U.S.)

    • Edition Notes

      Bibliography: p. 30.

      Statementby Joel E. Fletcher and Yehia Z. El-Shafei.
      SeriesUtah Water Research Laboratory. PR-WG,, 60-1, PRWG ;, 60-1.
      Contributionsel-Shafei, Yehia Z., joint author.
      Classifications
      LC ClassificationsTD224.U8 U85 no. 60-1, S594 U85 no. 60-1
      The Physical Object
      Paginationviii, 37 p.
      Number of Pages37
      ID Numbers
      Open LibraryOL5741064M
      LC Control Number70634669

      In conjunction with an investigation of the effects of forest harvesting activities on infiltration (Johnson and Beschta ), we also observed a seasonal fluctuation in the infil-tration capacity of forest soils at two locations in the Cascade Range in Oregon. This change, however, was in direct contrast to findings in all of the cited Size: 2MB. A realistic planning of these water management and conservation activities requires accurate information on the rate at which different soils takes in water under different conditions. The rate of water entry into the soil fluctuates widely among soil types, and also wide differences can be found within a single soil type, depending upon the Cited by:

      An infiltration basin (figure 1) is a dry basin or depression designed to promote infiltration of surface water runoff into the ground. Plants in an infiltration basin should be able to withstand periods of ponding and dry periods and, ideally, maintain or enhance the pore space in . The Study of Infiltration Rate and Atterberg Limits Galawezh B. Bapeer 44 PREVIOUS STUDIES Many studies have been carried out in the study area. − Sissakian and Youkhanna () and Youkhanna and Sissakian () dealt with the stratigraphy, structure geomorphology and .

      A rich history of quantifying water infiltration into soils and associated flow and storage of water in soils is also explored. Infiltration and soil–water redistribution at the subsurface are estimated and predicted using equations with scale-dependent effective parameters, which may be derived explicitly from governing equations and some. measurement of infiltration is often a tedious task and the infiltration rates can be estimated from the proposed models. Single-ring and Double-rings are used to estimate the infiltration rate of different soils. The main aim of the study is to analyse the importance of Size: KB.


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Theoretical study of infiltration into range and forest soils by Joel Eugene Fletcher Download PDF EPUB FB2

Recommended Citation. Fletcher, Joel E. and El-Shafei, Yehia Z., "A Theoretical Study of Infiltration into Range and Forest Soils" (). : Joel E.

Fletcher, Yehia Z. El-Shafei. A Theoretical Study of Infiltration into Range and Forest Soils. By Joel E. Fletcher and Yehia Z. El-Shafei. Abstract. More than rainfall simulator experiments were examined to detect which soil properties could be used to computer infiltration time relationships.

Three theoretical equations were tested to determine their efficacy for Author: Joel E. Fletcher and Yehia Z. El-Shafei. A THEORETICAL STUDY OF INFILTRATION INTO RANGE AND FOREST SOILS A Final Technical Report by Joel-E.

Fletcher and Yehia Z. EI-Shafei Supported by the Forest Service U.S. Department of Agriculture Grant Utah No. ()USU. Utah Water Research Laboratory CoUege of Engineering Utah State University Logan, Utah July.

PRWG601. [1] Infiltration is a key process in aspects of hydrology, agricultural and civil engineering, irrigation design, and soil and water conservation.

It is complex, depending on soil and rainfall properties and initial and boundary conditions within the flow domain. During the last century, a great deal of effort has been invested to understand the physics of infiltration and to develop Cited by: Green, Richard Ervin, "Infiltration of water into soils as influenced by antecedent moisture " ().Retrospective Theses and Dissertations.

Water infiltration into soils is a process of major quantitative estimates of water intake rates of soils over a wide range of cover and soil conditions. Infiltration rates"*"Cited by:   Infiltration (hydrology) Infiltration is the process by which water on the ground surface enters the soil.

Infiltration is governed by two forces, gravity, and capillary action. The aims of this study were to evaluate five infiltration models for mineral soils in the tropics with different land use types, such as settlements, plantations, rice fields, and forests.

The infiltration models evaluated were Green–Ampt, Kostiakov, Kostiakov–Lewis, Philip, and by: 1. Water infiltration into soil is a critical process in designing irrigation systems, especially those used for the application of wastewater to land. Although some research was conducted to evaluate the performance of proposed infiltration models, few efforts were given to the study of infiltration models specifically in lawn soils.

This paper was to compare five existing classic infiltration Cited by: and that water is transmitted freely through the soil with a high rate of infiltration (Natural Resources Conservation Service, ). The hydrologic soil group (A) was used in this study because of its high rate of infiltration, giving a more realistic situation in which nitrate leaching from compost would pose a.

COVID campus closures: see options for getting or retaining Remote Access to subscribed contentCited by: Infiltration is the process by which water on the ground surface enters the is commonly used in both hydrology and soil infiltration capacity is defined as the maximum rate of infiltration.

It is most often measured in meters per day but can also be measured in other units of distance over time if necessary. The infiltration capacity decreases as the soil moisture content.

The study aimed to determine constant infiltration rates of those soils under different soil conditions and comparing it with the infiltration rates obtained by Kostiakov, Modified Kostiakov, Horton’s and Green-Ampt infiltration Size: KB.

Several studies have extended the GA model to simulate infiltration into layered soils (Chu and MariñoDamodhara et al.Liu et al.Ma et al.Mohammadzadeh-Habili and.

Logging can decrease water infiltration into forest soils, study finds. by University of Missouri-Columbia. Langston Simmons, former MU graduate.

Studies have shown that, clay content in soil layers stabilizes infiltration rate of soils (Glenn, Delmar, Williams and Richard (). Thus, variations in clay content of soils in different landuse of forest (), grassland () and () farmland, per cent as indicated in the table above accounts for their water holding capacity over time.

Infiltration is part of the hydrologic cycle, namely the process of entering water from the surface into the soil. Infiltration is affected by vegetation, slope and soil type.

This study aims to analyze the amount of capacity and volume of infiltration in open land, shrubs and rubber plantations in the watershed Maluka. Infiltration is defined as a physical phenomenon, in which water penetrates into the soil from surface sources such as precipitation, snowfall, irrigation etc.

Information of infiltration is. Infiltration is therefore a pivotal point within the hydrologic cycle. The flux density of water across a topographical soil surface is the infiltration rate, q, dimensionally [LT −1], in units usually mm/s or cm/h.

It was earlier not properly denoted as infiltration velocity, infiltration capacity, or infiltrability. Book Description: This is a comprehensive study of forest soils for foresters, wildlife and park managers, ecologists, and others interested in forest soils.

It provides a valuable text for introductory and more advanced courses. Inherent Factors Affecting Soil Infiltration Inherent factors affecting soil infiltration, such as soil texture, Soil texture cannot be changed. (percentage of sand, silt, and clay) is the major inherent factor affecting infiltration.

Water moves more quickly through large pores of sandy soil thanFile Size: KB. (, August 17). Logging can decrease water infiltration into forest soils, study finds: Decrease of water infiltration can cause erosion, negatively impact forest tree production.

ScienceDaily.Infiltration of water into soils as influenced by surface conditions William Maxham Edwards Edwards, William Maxham, "Infiltration of water into soils as influenced by surface conditions " ().Retrospective Theses and Dissertations.

the study of the infiltration process to the soil by: 6.constant value. There will be a decrease in infiltration rate day by day due to the saturation of the soil where as on the first day the infiltration rate will be more because soil will be dry in condition.

Infiltration of water into the soil has important impact in the overall functioning of the variable land-based Size: 2MB.