1 edition of Evaluation of measures for controlling sediment and nutrient losses from irrigated areas found in the catalog.
Evaluation of measures for controlling sediment and nutrient losses from irrigated areas
by Environmental Protection Agency, Office of Research and Development, Robert S. Kerr Environmental Laboratory, for sale by the National Technical Information Service in Ada, Okla, Springfield, Va
Written in English
|Statement||by D. W. Fitzsimmons ... [et al.]|
|Series||Environmental protection technology series ; EPA-600/2-78-138|
|Contributions||Fitzsimmons, D W, Robert S. Kerr Environmental Research Laboratory, Idaho Agricultural Experiment Station|
|The Physical Object|
|Pagination||xiv, 150 p. :|
|Number of Pages||150|
Land evaluation principles The first FAO publication setting out the principles of land evaluation as well as the broad methodological approach for identifying a range of relevant agricultural land-use options for a given area appeared in , "A framework for land evaluation" (referred to hereafter as the ' Framework')(FAO, ). Once the depth of sediment reaches a defined level the SW device will need to be cleared of sediment to ensure the devices continue to work to their potential and to maintain a high water quality standard. Standard and consistent sediment monitoring techniques .
reducing sediment runoff. In areas subject to wind erosion, conservation tillage reduces the amount of particulate matter in the air. Thus, reducing tillage to improve soil quality also benefits erosion control, air quality, and water quality goals. Integrated Approach Soil quality is a useful model to evaluate and improve the soil resource as it. Summary. Degraded inland urban and coastal water quality is a critical concern in Florida. Nutrients released from urban land-based human activities (disturbed soil, fertilizer, pet wastes, plant debris, atmospheric deposition, septic systems, and others) are present in water bodies, resulting in eutrophication and an increase in algal blooms that impair water quality.
Erosion and Sediment Control Methods areas will be stabilized immediately to limit soil erosion whenever any construction activity has permanently or temporarily ceased on any portion of the site and will not resume for a period exceeding 14 calendar days. Stabilization measures include hydro-seeding, mulching, plastic sheeting, or similar. Jul 11, · Yields per unit area from upland areas were the greatest, whereas yields from forests were the lowest. Forests were the largest contributor of SS, TN, and TP in the basin, because of its dominant land area. Impact of suspended sediment and nutrient loading from land uses against water quality in the Hii River basin, Japan. / Somura, Hiroaki Cited by:
two hundredth anniversary of the settlement of Shawnee, Pennsylvania
Technical cooperation in rural areas
art of cruelty
Time for Lissa.
Experimental designs in sociological research
Disposition of Mine Safety and Health Administration program policy letters
Backroom politics; how your local politicians work, why your Government doesnt, and what you can do about it
The life, adventures, & piracies, of the famous Captain Singleton.
Haydn; a creative life in music
And Serve It With Love
Additional Physical Format: Online version: Evaluation of measures for controlling sediment and nutrient losses from irrigated areas.
Ada, Okla.: Environmental Protection Agency, Office of Research and Development, Robert S. Kerr Environmental Laboratory ; Springfield, Va. Guidelines for controlling sediment and nutrient losses in the Valley were presented (Fitzsimmons e_^aj_., ).
The results of the study show how water, sediment and nutrient losses are influenced by water management practices, tillage and other cul- tural practices, soil type and field slope.
The intensive study of an individual watershed is required to develop effective and efficient watershed management plans.
Identification of critical erosion-prone areas of the watershed and implementation of best management practices (BMPs) is necessary to control the watershed degradation by reducing the sediment and nutrient elizrosshubbell.com by: 5. Evaluating the effectiveness of agricultural management practices at reducing reduce nutrient and sediment losses to streams and rivers.
However, it has been difficult Evaluating the effectiveness of agricultural management practices at reducing nutrient losses to surface waters. May 15, · Critical evaluation of measures to mitigate phosphorus losses from agricultural land to surface waters in Sweden.
In the Swedish Parliament decided to launch a programme to reduce plant nutrient losses from agriculture. Evaluation of measures to reduce the losses should be based on profiles of high P risks. However, this has to be Cited by: Higher sediment loss estimates for irrigated acres than for non-irrigated acres, when it occurs, is due to more overall water inputs on irrigated acres in arid areas as well as climatic and soil type differences between irri-gated and non-irrigated acres within a region.
Tons of sediment loss When the acres of cropland are taken into account. Effectiveness of vegetative filter strips in attenuating nutrient and sediment runoff from irrigated pastures Article in The Journal of Agricultural Science (04) - · August with.
Controlling runoff and soil erosion are important for maintaining soil productivity and reducing off-site impairment due to sediment and nutrient enrichment. Aug 05, · The purpose of this study was to analyze the spatial distribution of nitrogen and phosphorus in surface sediment and estimate sediment nutrient release properties.
Additionally, two types of eutrophication evaluation methods were applied to analyze the trophic state of Daihai elizrosshubbell.com by: ABSTRACT The technology available for the control of sediments, nutrients, and adsorbed biocides in surface irrigation return flows has been reviewed and evaluated.
Some of this technology could be applied immediately to reduce sediment and associated nutrient and biocide concentrations in surface irrigation return flows.
EF was for crop yields. Paired t-tests based on monthly comparisons of runoff, sediment and nutrient losses, and annual crop yields indicated that the differences between predicted and observed values were not significantly different from zero at the significance level of =except for soluble P losses for the control watershed.
TECHNIQUES FOR TRACKING, EVALUATING, AND REPORTING THE IMPLEMENTATION OF NONPOINT SOURCE CONTROL MEASURES III. URBAN Final January Prepared for Nonpoint Source Pollution Control Branch Office of Water United States Environmental Protection Agency Washington, DC Prepared under EPA Contract No.
C Work Assignment No. Apr 18, · Stormwater Control Measures (SCMs) are used to control erosion and sediment delivery from disturbed lands (e.g., mulching and sediment basins used on construction sites) and excessive runoff and contaminant wash-off from urban areas (e.g., permeable pavements or bioretention areas treating the extra runoff and first-flush contaminants from parking lots).
Nutrient loads and sediment losses in sprinkler irrigation runoff affected by compost and manure Lehrsch, G.A. and Lentz, R.D. and Westermann, D.T. and Kincaid, D.C. () Nutrient loads and sediment losses in sprinkler irrigation runoff affected by compost and elizrosshubbell.com by: 3.
The study presented here was performed in Lee County, Alabama to investigate the impact of harvesting and site preparation on a year-old loblolly pine (Pinus taeda L.) plantation on sediment and runoff yield.
Sediment and runoff yield responses on treated areas were compared to that of undisturbed elizrosshubbell.com by: 6. Sediment/Nutrient Management Measures means a planned system to prevent sediment and nutrient delivery to water courses for water quality improvement.
Policies. Silt fences are to be used only in conjunction with Animal Waste Management facilities and Sediment Control Structures. Silt fences and any retained sediment must be. Module 3: Temporary Erosion & Sediment Control Measures – NDDOT Erosion & Sediment Control – Construction Course Sediment Basins Settled sediment should be removed to maintain capacity of basin May be necessary multiple times during the life of the project Should design sediment basin to allow access for cleanout 37 Sediment Basins.
national scales. Of particular interest is an ability to identify those areas where surface and ground waters have the greatest potential for high levels of nutrient and sediment loadings. High levels of nutrient and sediment loadings can have adverse effects on both humans and aquatic ecosystems.
We analyzed the ability of landscape metricsCited by: Yields of suspended sediment from watersheds in the Quincy and Pasco Basins of Washington State have been reduced by the use of sprinkler irrigation on cropland previously in furrow irrigation.
Mean daily yields of suspended sediment from nine watersheds sampled during April and May ranged from kg/ha of irrigated cropland in a watershed with no furrow irrigation to 19 kg/ha in a. Achieving Nutrient and Sediment Reduction Goals in the Chesapeake Bay: An Evaluation of Program Strategies and Implementation 32 NUTRIENT AND SEDIMENT REDUCTION GOALS IN THE CHESAPEAKE BAY of dissolved oxygen is essential to the survival of aquatic organisms, such reductions can have substantial impacts on the local fauna.
Fish and other. A sediment control is a practice or device designed to keep eroded soil on a construction site, so that it does not wash off and cause water pollution to a nearby stream, river, lake, or sea.
Sediment controls are usually employed together with erosion controls, which are designed to prevent or minimize erosion and thus reduce the need for sediment controls.Irrigation tailwater can transport sediments and sediment-associated agricultural pollutants to nearby waterways.
To help protect the biota of surface waters, we evaluated the use of polyacrylamide (PAM, a synthetic material that flocculates sediments when added to water), vegetated ditches and sediment traps to mitigate sediment losses from furrow-irrigated fields.SECTION 7 - EROSION AND SEDIMENT CONTROL METHODS June EROSION AND SEDIMENT CONTROL METHODS General It is important to recognize the difference between erosion control measures and sediment control measures when preparing an effective erosion and sediment control plan.