Last edited by Mazuzahn
Friday, December 4, 2020 | History

3 edition of Effect of exposure and logging on runoff and erosion found in the catalog.

Effect of exposure and logging on runoff and erosion

Nedavia Bethlahmy

Effect of exposure and logging on runoff and erosion

  • 24 Want to read
  • 0 Currently reading

Published by U.S. Dept. of Agriculture, Forest Service, Intermountain Forest & Range Experiment Station in Ogden, Utah .
Written in English

    Subjects:
  • Hydrology, Forest -- Idaho,
  • Runoff -- Idaho,
  • Soil erosion -- Mathematical models,
  • Logging -- Environmental aspects

  • Edition Notes

    StatementNedavia Bethlahmy.
    SeriesUSDA Forest Service research note INT -- 61., Research note INT -- 61.
    ContributionsIntermountain Forest and Range Experiment Station (Ogden, Utah)
    The Physical Object
    Pagination7 p. ;
    ID Numbers
    Open LibraryOL17617999M
    OCLC/WorldCa32180215

      Cover crops may be more effective at reducing soil erosion and runoff after maize harvest than rough tillage, according to scientists from the .


Share this book
You might also like
Fusible magic

Fusible magic

Doc

Doc

The History of little Charles and his friend Frank Wilful

The History of little Charles and his friend Frank Wilful

Approaching Southeast Asian History

Approaching Southeast Asian History

Self-pressurization of a flightweight liquid hydrogen storage tank subjected to low heat flux

Self-pressurization of a flightweight liquid hydrogen storage tank subjected to low heat flux

Loving a lost Lord

Loving a lost Lord

Facts for farmers

Facts for farmers

pen and the sword

pen and the sword

International Conference on Case Histories in Geotechnical Engineering

International Conference on Case Histories in Geotechnical Engineering

Philosophy of Arthur Schopenhauer

Philosophy of Arthur Schopenhauer

When dreams came true

When dreams came true

clue of the stone lantern

clue of the stone lantern

Aging in the states

Aging in the states

Canada and the Uruguay Round

Canada and the Uruguay Round

equations of love

equations of love

Effect of exposure and logging on runoff and erosion by Nedavia Bethlahmy Download PDF EPUB FB2

Effect of exposure and logging on runoff and erosion. Ogden, Utah: U.S. Dept. of Agriculture, Forest Service, Intermountain Forest & Range Experiment Station, (OCoLC) To interpret the impact of logging on.

runoff and soil loss, the impact of fire also needs to be determined. To quantify the effects of logging and fire on runoff and erosion in the Gentle Annie catchment, a set of rainfall simu- lator experiments was carried out in May The objectives of the experiment were to (1) determine the dominant Cited by: Soil compaction during post-fire logging can increase runoff and erosion.

Increasing surface cover is an effective way to reduce erosion, but this has not been tested on soils impacted by both. Impacts of Forest Management on Runoff and Erosion. William J.

Elliot, Brandon D. Glaza. Abstract. In a parallel study, ten small watersheds (about 5 ha) were installed in the Priest River Experimental Forest (PREF) in northern Idaho, and another ten were installed in the Boise Basin Experimental Forest (BBEF) in central Idaho.

Mitigation measures focus on increasing infiltration &reducing soil erosion / depositing eroded soil: The first priority is on measures to reduce runoff / erosion at source, i.e. to keep it in the field by implementing in-field measures.

The second priority is to prevent runoff /erosion from reaching surface water by implementing additional measures, at the edge of the field and/or in.

Controlling soil erosion during logging activities by reducing the impact of logging and combining ecologically based vegetation structure design is an effective way to control runoff and soil. post-fire salvage logging on runoff and erosion rates are of particular concern to land managers.

Burned forest soils are more vulnerable to increased runoff and erosion rates, which can lead to flooding and increased risk to human life and property. Non-ground based activities, such as the use of helicopters in logging, result in relatively little ground disturbance and may have minimal ef- fect on post-fire runoff and erosion rates.

Standard salvage logging practices are unlikely to significantly reduce or break up the water-repellent layer from a high-severity wildfire.

A set of rainfall simulator experiments was carried out in a logged forest in Tasmania, Australia, to quantify the impact of logging and fire on runoff and soil loss.

A large, portable rainfall simulator was developed for the experiments to help overcome problems associated with spatially varying hydraulic and erosion properties of the soil. The impacts of forest fires on runoff and soil erosion have been assessed by many studies, so the effects of fires on the hydrological and geomorphological processes of burnt forest areas, globally and in the Mediterranean region, are well established.

Few studies, however, have assessed post-fire runoff and erosion on large time by: High-intensity rainfall produced most of the measured runoff and sediment yields except in the southern California site, where long-duration rain events produced most of the runoff and erosion.

For small rain events (less than the 2-year return period for the min duration), the runoff, peak flows, and sediment yields were lower inCited by: 7 EVALUATING FOREST MANAGEMENT EFFECTS ON EROSION, SEDIMENT, AND RUNOFF: CASPAR CREEK AND NORTHWESTERN CALIFORNIA RAYMOND M.

RICE, ROBERT R. ZIEMER, AND JACK LEWIS ABSTRACT The effects of multiple logging disturbances on peak flows and suspended sediment loads from second-growth redwood. The statistical comparison among study treatments, i.e., the effect of vinasse organic waste on runoff commencement time, runoff volume, runoff coefficient, soil loss and sediment concentration under different rainfall intensities was made by applying one-way and two-way ANOVA as well as Duncan tests with the help of SPSS 19 software by: Legal challenges have delayed numerous post-fire salvage logging operations, which often results in lost economic value of the burned timber and unrecovered legal expenses.

The scientific literature has shed little light on the additive effect of salvage logging operations on post-fire runoff, erosion, flooding, and sedimentation. Hence, there is an urgent need to better Author: Peter R.

Robichaud, William J. Elliot, Lee MacDonald, James Saveland, Craig Busskohl, Steve Howes, A. Loss of canopy cover by forest harvesting generally increases the average surface runoff volume and sediment.

Selective cutting (single and group selection method) is the most usual forest harvesting method in the Hyrcanian forests in the north of Iran. The purpose of this study is to find the effect of selective logging technique on the hydrological behavior of runoff Cited by:   Clear-cut logging and related road-building in the s and s in southern Oregon's Siskiyou Mountains disrupted soil stability and led to unprecedented soil erosion made worse during heavy.

the efforts to reduce erosion and improve water quality: an increase in the amount of water exiting the watershed via surface runoff. Through utilization of hydrology software packages, the research presented in this paper illustrates a pattern of increased runoff depths and peak flows experienced by small watersheds where logging has taken place.

"Runoff increases the rate of erosion" is the one among the following choices given in the question that describes how the rate of erosion is affected by runoff.

The correct option among all the options that are given in the question is the first option or option "a". The runoff and erosion from unpaved roads may have little effect if these materials are discharged in a diffuse manner onto undisturbed hillslopes where infiltration rates are high and the sediment is deposited or captured by litter, downed logs, and vegetation.

Erosion of unpaved roadways occurs when soil particles are loosened and carried away from the roadway base, ditch, or road bank by water, wind, traffic, or other transport means. Exposed soils, high runoff velocities and volumes, sandy or silty soil types, and poor compaction increase the potential for erosion.

Loosened soil particles are carried. Effect of exposure and logging on runoff and erosion / (Ogden, Utah: U.S. Dept. of Agriculture, Forest Service, Intermountain Forest & Range Experiment Station, ), by Nedavia Bethlahmy and Intermountain Forest and Range Experiment Station (Ogden, Utah) (page images at.

means it’s official. Federal government websites often end Before sharing sensitive information, make sure you’re on a federal government site. each storm event. The results showed the significant (p≤) decreasing effect of exclosure treatment on runoff volume, sediment concentration and soil loss at plot scale.

Finally, decreasing rates of,and % due to exclosure respectively for runoff volume and coefficient, sediment concentration,Author: Abdulvahed Khaledi Darvishan, Leila Gholami, Jabar Hadi Ghorghi, Velibor Spalević, Azadeh Katebi Kor. Erosion and Runoff Control North Carolina Forestry BMP Quick Reference Field Guide Overall Erosion Control Goals Keep overall bare soil exposure to a minimum.

Maintain groundcover vegetation on the soil. Break the grade on your slopes. Divide slopes into smaller sections that are more easily managed.

Rainfall, and the surface runoff which may result from rainfall, produces four main types of soil erosion: splash erosion, sheet erosion, rill erosion, and gully erosion is generally seen as the first and least severe stage in the soil erosion process, which is followed by sheet erosion, then rill erosion and finally gully erosion (the most severe of the four).

Soil Erosion: Soil erosion is the loss of soil from land due to the effects of wind and water currents. It is a naturally occurring process - soil always shifts from one location to another - and, under normal conditions, this shifting takes place in a slow and gradual manner.

However, under human impact, soil erosion is often drastically. Forestry operations can significantly alter hydrological and erosional processes in a catchment. In the course of developing timberland, a network of persistent roads and skid trails causing soil compaction is usually established.

Hereby, the infiltration rate of the soil is distinctly reduced, which leads to the generation of overland flow—this may also cause soil by:   i want thes book can you give me please CHAPTER 3 PROBLEMS AND METHODS OF SOIL EROSION RESEARCH.

CHAPTER 4 EROSION FACTORS AND CONDITIONS GOVERNING SOIL EROSION AND EROSION PROCESSES erosion control erosion control measures erosion intensity erosion losses erosion occurs erosion phenomena Reviews: 1.

For Erosion and Sediment Control STATE POLLUTANT DISCHARGE ELIMINATION SYSTEM FOR CONSTRUCTION ACTIVITIES SAMPLE CONSTRUCTION SITE LOG BOOK Table of Contents I. Pre-Construction Meeting Documents a.

Preamble to Site Assessment and Inspections b. Pre-Construction Site Assessment Checklist II. Construction Duration File Size: 30KB.

Soil Erosion and Rainwater Runoff Harm the Chesapeake Bay Every year, tons of topsoil leave the land and end up in streams, rivers, and the Chesapeake Bay. As we have cleared the land, paved roads, and built homes, our waterways have lost much of the natural protection that grasses, wetlands, and forests provide against rainwater Size: KB.

In recent years, the Pacific Northwest has been the focus of substantial research and controversy over the effects of logging and road building on hillslope erosion, stream discharge, and water quality.

Concerns range from possible increases in the frequency of debris flows to habitat deterioration for salmonid fishes and other aquatic life. Streamflow and Water Quality. What does the science show about clearcutting in western Oregon [1].

George G. Ice [2] Clearcutting has been vilified because of potential effects on water quality and runoff. A Native Forest Network Campaign web site states that clearcutting “ exposes the soil to erosion, water storage capacity is lost, streams or rivers are loaded with.

Between andsix sites were established immediately after large wildfires in the western United States to determine the effectiveness of contour-felled log erosion barriers in mitigating post-wildfire runoff and erosion. In each pair of matched, burned, and small watersheds ( ha), one was treated with contour-felled log erosion barriers and one was left untreated.

Vegetation controls soil erosion rates significantly. The decrease of water erosion rates with increasing vegetation cover is exponential. This review reveals that the decrease in water erosion rates with increasing root mass is also exponential, according to the equation SEP e b RP where SEP is a soil erosion parameter (e.g., interrill or rill erosion rates relative to Cited by:   Quantifying the effects of forests on water and soil conservation helps further understanding of ecological functions and improving vegetation reconstruction in water-eroded areas.

Studies on the effects of vegetation on water and soil conservation have generally focused on vegetation types or vegetation horizontal distribution densities. However, only a few studies Cited by: 5. PPP: focus on runoff & erosion B.

Bah, L. Vandendael, R. Oger, A. Degré S-S er p 1 04/04/ Runoff and erosion risks Erosion Potential effect on river quality and damages to settelment Prévention Protection 2 Runoff erosion splash deposition.

“We got our book the same way other states did,” said Tuttle. “We started with our own, and then we looked at what other states were doing and said ‘Oh, this looks good, let’s put that in our book.’ So then we had this BMP book, and it looked really good on paper.

But people were still telling us that our timber sales caused erosion. The primary effect of agriculture is agricultural runoff. Runoff may simply cause erosion of the topsoil, but it may also transport agricultural chemicals that are bound to the particles being eroded.

The concern for agricultural runoff is not only excess sediment, but also the potential for the introduction of toxins into an aquatic system. to runoff at the earth surface. We will review the mechanisms involved in runoff generation and the pathways water takes moving to streams in different settings.

Much of this review will provide the language and terminology used by hydrologists as a basis for qualitative understanding and description of the runoff processes. A less common off-site effect of soil erosion occurs in situations where eroded soil has a decreased capacity to absorb water.

This results in increased runoff which may lead to downstream flooding and local damage to property, and in some cases increased downstream flooding of rivers.

Mean event precipitation for the field experiments ranged from to mm and average storm intensities were, and mm hr-1 for field experiments 1, 2, and 3, respectively. Storm characteristics explained as much as 40 percent of the variability in runoff concentrations and soil erosion losses from the field by: 2.The data in Table 19 show that runoff and soil erosion under a Mucuna cover crop were low and the cover was extremely effective in decreasing erosion losses, even on eroded and compacted soils.

A wide range of cover crops can be used for soil and water conservation in the humid tropics (Table 20).- Sheet Erosion- transport of loose soil by water flowing over land - Rill Erosion- small, concentrated flow paths that act as the source of sediment and the delivery system of sediment (very shallow) - Gully Erosion- runoff water gathers and flows quickly in narrow channels ager heavy rain or melting snow (deep).