Ppt on soil pollution and its control

Environmental Science. SOIL POLLUTION & IT’S REMEDIES.

Environmental Science SOIL POLLUTION & IT’S REMEDIES CONTENTS What is Soil..? What is soil pollution ? How is it caused ? Types of soil pollution. What are the effects of soil pollution ? How can we control soil pollution ? What is Soil..?? Soil is the thin layer of organic and inorganic materials that covers the Earths rocky surface. Soil is composed of particles of broken rock that have been altered by chemical and mechanical processes that include weathering and erosion. SOIL POLLUTION It is defined as /


LIVING IN THE ENVIRONMENT 17 TH MILLER/SPOOLMAN Chapter 12 Food, Soil, and Pest Management.

gas) Produces significant air and water pollution and greenhouse gases Is globally export-oriented Uses antibiotics and growth hormones to produce meat and meat products Fig. 12-1b, p. 277 Organic Agriculture Emphasizes prevention of soil erosion and the use of organic fertilizers such as animal manure and compost, but no sewage sludge to help replace lost plant nutrients Employs crop rotation and biological pest control Uses no genetically modified/


Joshua W. Faulkner, PhD WVU-Extension Fundamentals of Nutrient Management Training Course December 16-17, 2009 *Portions Adapted from NRCS and WVCA Best.

prevention BMP Fundamental Approaches to NPS Pollution Address and control pollutant sources Modification of watersheds to prevent hydrologic activity of source areas Delivery control measures that increase natural attenuation of pollutants after leaving source area, either upland or directly before entering water body Slow pollutants and rely on natural biogeochemical cycles to remove pollutants BMPs: Two types Nonstructural (Managerial) – Minimizes pollutant source or addresses it very near the source – E/


LIVING IN THE ENVIRONMENT 17 TH MILLER/SPOOLMAN Chapter 12 Food, Soil, and Pest Management.

gas) Produces significant air and water pollution and greenhouse gases Is globally export-oriented Uses antibiotics and growth hormones to produce meat and meat products Fig. 12-1b, p. 277 Organic Agriculture Emphasizes prevention of soil erosion and the use of organic fertilizers such as animal manure and compost, but no sewage sludge to help replace lost plant nutrients Employs crop rotation and biological pest control Uses no genetically modified/


SWPPP: Stormwater Pollution Prevention Plan Creating/Implementing a Plan for Compliance.

Clearing Limits 2. Establish Construction Access 3. Control Flow Rates 4. Install Sediment Controls 5. Stabilize Soils 6. Protect Slopes 7. Protect Drain Inlets 8. Stabilize Channels and Outlets 9. Control Pollutants 10. Control Dewatering 11. Maintain BMPs 12. Manage the /the owner/operator or the applicable local or state regulatory agency, it is determined that the SWPPP is ineffective in eliminating or significantly minimizing pollutants in stormwater discharges from the site. The SWPPP shall be /


1 Management of Non-Point Source Pollution CE 296B Department of Civil Engineering California State University, Sacramento Lecture #5, February 12, 1998.

, zinc and copper with respect to urban non- point source pollution. (cont.) 18 Discussion Break How disruptive would true source control be for metals such as lead, zinc, and copper to the economy and society? Any ideas on how to approach meaningful source control? How/ do metals find their way into the flow stream that is the carrier for non-point source pollution? 25 5.(cont.) In soils within about 5 meters of heavily traveled roadways during pre- unleaded gasoline days substantial concentrations of lead/


WATER QUALITY ASSESSMENT AND POLLUTION CONTROL WMA 318 Prof. O. Martins and Dr O.Z. Ojekunle Dept of Water Res. Magt. & Agromet UNAAB. Abeokuta. Ogun State.

into surface water or groundwater. The ammonium form attaches to soil particles. MAINTAINING AND IMPROVING WATER QUALITY Cultural, Cultural, Mechanical, Mechanical, Biological and Biological and Chemical Control Chemical Control The best solution is prevention Just as there is no single source of water pollution, there is no single answer to solve the problem. Once water has become contaminated, it is very difficult, if not impossible, to clean. Surface/


Entire Year Environmental Review. SUSTAINABLE To use resources in such a way as to meet needs now and provide for needs in the future. Without depleting.

than waste management or pollution control. Pollution prevention also includes other practices that increase efficiency in the use of energy, water, or other natural resources, and protect our resource base through conservation. Practices include recycling, source reduction, and sustainable agriculture. Superfund Amendments and Reauthorization Act (SARA) (1986) SARA reflected EPAs experience in administering the complex Superfund program during its first six years and made several important changes/


“(E)merging directions on air pollution and climate change research in the Mediterranean ecosystems” POSTER Session 2016, 28-30 June – Brescia (I) Poster.

pollution and climate change research in the Mediterranean ecosystems” POSTER Session 2016, 28-30 June – Brescia (I) CO 2 flux emitted by Soil, BC and Soil+BC are differently driven by soil temperature and moisture. Biocrusts can contribute to soil respiration responding to small water pulses even when deeper soil/ toxic effects at physiological and ultrastructural level Chl b Chl a β-caroten Control Exposed Ergosterol Control Exposed “(E)merging directions on air pollution and climate change research in /


LIVING IN THE ENVIRONMENT 17 TH MILLER/SPOOLMAN Chapter 12 Food, Soil, and Pest Management.

gas) Produces significant air and water pollution and greenhouse gases Is globally export-oriented Uses antibiotics and growth hormones to produce meat and meat products Fig. 12-1b, p. 277 Organic Agriculture Emphasizes prevention of soil erosion and the use of organic fertilizers such as animal manure and compost, but no sewage sludge to help replace lost plant nutrients Employs crop rotation and biological pest control Uses no genetically modified/


Environmental pollution may be defined as, “the unfavorable alteration of our surroundings”. It changes the quality of air, water and land which interferes.

decompose or decompose slowly in the environment. Slowly decomposed materials are more dangerous because it is more difficult to remove them. 2. Non-degradable pollutants Different kinds of pollution that affects the environment are, (i) Air Pollution (ii) Water Pollution (iii) Soil Pollution (iv) Marine Pollution (v) Noise Pollution (vi) Thermal Pollution and (vii) Nuclear hazards. Definition Air pollution may be defined as, “the presence of one or more contaminants like dust/


College of Education School of Continuing and Distance Education 2014/2015 – 2016/2017 UGRC 144 Science and Technology in Our Lives/Geohazards Session.

. of Earth Science Slide 26 Air Pollution Controls of Air Pollution Dust on a road can be controlled by spreading water or a combination or water and chemicals to hold it down. Soil piles on the other hand can be protected by planting them with vegetation that inhibits wind erosion. Control of Automobile Pollution - Automobile pollutants like CO 2, NO 2, and hydrocarbons can best be controlled by regulating automobile exhaust, which/


ENVIRONMENTAL POLLUTION AIR POLLUTION. Air Pollution  Air –Necessary for Existence –Colorless, odorless mixture of gases –Quality of air varies in different.

of the new strict air quality codes.  The dust-laden gas is passed between oppositely charged conductors and it becomes ionized as the voltage applied between the conductors is sufficiently large (30,000 to 60,000 / controlled to prevent soil erosion.  Natural fertilizers and biological agents for pest management is used.  Plough or mix the soil to improve aeration, porosity and permeability.  Water logging and salinity conditions is avoided.  Grass only on polluted lands is cultivated. Noise Pollution /


MICROBIAL BIOREMEDIATION AND FOOD SAFETY

it can be treated using bioremediation. Better control over area, depth, nutrients, oxygen, moisture, temp etc. The average time frame for Ex-situ bioremediation is 60 to 90 days hence faster compared to In situ Bioremediation Use of liners prevent ground water pollution Costlier as excavation of soil/cell, the levels have been taken from 1400 PPM down to below the action level of 100 PPM.  COUNTRIES AND RELATIVE COSTS OF BIOREMEDIATION USA, UK, BRAZIL, FRANCE, NIGERIA ETC. IN USA – 75000 SITES – 1100 /


Hydrological Design of Detention/Retention Basins

surfaces (paved streets, parking lots, and building rooftops), it accumulates debris, chemicals, sediment or other pollutants that could adversely affect water quality if the runoff is discharged untreated. The primary method to control stormwater discharges is the use of best/dry until a significant storm event occurs. Stormwater gradually leaves the retention pond by infiltration into the soils and by evaporation. Retention ponds are used in locations where the high ground water table elevation during the /


Chapter 19 Air Pollution.

air pollutants, and where do they come from? What are two types of smog? What is acid deposition, and how can it be reduced? What are the harmful effects of air pollutants? How can we prevent and control air pollution? Case/ bark Reduced photo-synthesis and growth Soil acidification Tree death Figure 19.9 Natural capital degradation: air pollution is one of several interacting stresses that can damage, weaken, or kill trees and pollute surface and groundwater. Leaching of soil nutrients Release of toxic /


SWPPP Stormwater Pollution Prevention Plan

Pollution Waste or debris is generated by every person doing work on a construction site. If the waste or debris is not contained and disposed of properly, it becomes pollution. Good Housekeeping practices will reduce the potential for pollution/ Reduce rainfall impacts Reduce surface water velocities Assist with stormwater infiltration Reduce and control sediment Eliminate off-site pollution Protection of Soils Protection of soils can be established with vegetation. However, other types of cover materials /


EXAM #4 Review Slides. Results of weathering, bedrock, regolith & soil.

Restrict driving in polluted areas Emission control devices Car exhaust Inspections twice a year Stricter emission standards Chloroform Para-dichlorobenzene Tetrachloroethylene Formaldehyde Benzo- -pyrene Styrene Radon-222 Methylene Chloride Tobacco Smoke Carbon Monoxide Asbestos Nitrogen Oxides 1, 1, 1- Trichloroethane PreventionCleanup or Dilution Cover ceiling tiles and lining of AC ducts to prevent release of mineral fibers Ban smoking or limit it to well/


Humans in the Biosphere

to soil, /and zinc Pesticides and insecticides Runoff-enter water supply DDT-pesticide; dangerous, controls against pest and disease carrying mosquitoes; threatened fish-eating birds-females laid fragile eggs; lowered numbers Biomagnification Biological Magnification Pollutant/and agriculture Provision of ecosystem goods and services Make our world a beautiful, interesting place Biodiversity and/and water ecosystems needed both to provide and the resources an individual or population uses and to absorb and/and/


Remediation methods of polluted soils

mixed with soil amendments and placed in aboveground enclosures. It is an aerated static pile composting process in which compost is formed into piles and aerated with blowers or vacuum pumps. Typical Biopile System for Solid Phase Bioremediation (FRTR 2001) http://www.frtr.gov/matrix2/section4/D01-4-10.html Biopile Applicability, duration, limitations, costs (FRTR 2001) Applicability for pollutants nonhalogenated VOCs and fuel hydrocarbons. Duration/


Permeable Pavements Presented by: The Low Impact Development Center, Inc. A non-profit water resources and sustainable design organization www.lowimpactdevelopment.org.

and maintenance issues Purpose and Learning Objectives System & Materials with Focus on PICP Permeable Pavement Benefits, including: Runoff & Pollutant Reduction LEED® Credit Designing PICP Systems Base Exfiltration Options Infiltration Rates & Base Storage Capacity Soil//infiltrate runoff volumes & peak flows Imitate pre-development conditions Control amount of impervious cover Water Quality Control specific nutrients and metals PICP addresses these objectives Stormwater Management Objectives Reduce inbound/


10. ATMOSPHERIC DEPOSITION AND BIOGEOCHEMISTRY

the earths surface becomes HNO3 as a consequence of nitrification and/or H+ ions as a consequence of plant uptake, (31) and it may aggravate the acidification of soils and lakes. This effect is not sufficiently considered in the assessment of NH3 emissions (e.g., agriculture, feed lots) and the use of excess NH3 in air pollution control processes to reduce nitrogen oxides. Example 10.2 Mixing of/


Environmental Science Unit 9 Resource Management

Soil & Agriculture Objectives Explain how soil forms, the horizons that make up a soil profile, & the characteristics used to classify soil. Describe the practices that can lead to soil erosion, desertification, & pesticide pollution and their resulting impacts economically & environmentally. Describe the development of agriculture from its/the world’s population? How do (a) chemical pesticides, (b) biological control, and (c) integrated pest management protect crops from pests? How are pollinators important/


Level II: Introduction to Design Re-certification

include each individual basin draining to, through and from the project site, with each one delineated, labeled and showing its total acreage. 21 Initial date of the Plan and the dates of any revisions made to the/ Sedimentation and Pollution Control Plan provides for an appropriate and comprehensive system of best management practices required by the Georgia Water Quality Control Act and the document "Manual for Erosion and Sediment Control in Georgia" (Manual) published by the State Soil and Water /


ENVIRONMENTAL HEALTH AND SAFETY (EHS) AUDITING

Review Applicable regulations Corporate and facility policies, procedures, etc. Study pollution control equipment Characteristic waste streams, pollutants and toxic chemicals Inventory/Assess/and Other Requirements Legal and Other include Laws and regulations Permits Enforcement actions Standards and codes Establish a master list of these and maintain it frequently Objectives and/Has the facility been cited for any permit violations? Have soil and/or groundwater studies been conducted on the site or adjacent/


Runoff Estimation, and Surface Erosion and Control Ali Fares, PhD NREM 662, Watershed Hydrology.

and its maximum 30 minute intensity. Product of the kinetic energy of the falling raindrops and its /control practices to help manage erosion throughout Kaiaka- Waialua watershed, thereby reducing sediment and potential pollutant loads (P, N) into the surface water resources, and consequently improving water quality of the coastal area. Materials and Methods Field in a commercial farm, Field in a commercial farm, Ewa Silty clay soil, a mean Ksat = 3.5 cm d -1 (Candler 15 m d -1 ) Ewa Silty clay soil/


Air Pollution and its Impacts on Forests: Knowledge and Challenges Zhong Chen, Ph.D. Office of Academic Assessment Northern Arizona University Jiangsu.

pollutant change worldwide and impacts on forest ecosystems (Karnosky et al. 2003) PollutantDistribution and changeImpacts CO 2 Increasing globallyShort-term growth and productivity increase; long-term effects uncertain O3O3 Global increases in O 3 and its precursors with largest increase from developing countries Growth and yield loss to sensitive species; predisposition to insects and diseases NitrogenGlobal increase, particularly in developing countries Stimulating growth in N-poor soils, contribution/


Environmental Impact Assessment (EIA) and Mitigation Measures Dr. A.K.M. Saiful Islam Assistant Professor IWFM, BUET, Dhaka Training Course of Small Scale.

 Drainage  Soil characteristics Surface water  Regional Hydrology  Silt Load  Water Pollution Groundwater  Regional Hydrology  Recharge  Water table  Water Pollution Atmosphere  Air pollution  Dust Pollution  Noise Pollution EIA and Mitigation Measures @ Dr. A.K.M. Saiful Islam, IWFM, BUET Human Interest Health  Diseases  Sanitation  Nutrients Aesthetic  Landscape  Recreation Socio-Economic  Land Loss  Crop Production  Aquaculture  Irrigation  Navigation  Flood Control  Transport/


BIODIVERSITY AND ENVIRONMENT

lakhs worth of oxygen Facilitates Rs. 6.4 lakhs worth of soil erosion control Creates Rs. 10.5 lakhs worth of air pollution control Provides Rs. 5.3 lakhs worth of shelter for birds and animals ….Value of a Tree Recycles Rs. 6.4 lakhs/ flower, fruits and timber When a tree is fell it is something worth more than Rs. 33. 9 lakhs. Threats to Biodiversity Deforestation and overgrazing 2. Habitat destruction and fragmentation of the area. 3. Poaching and hunting for flesh, fur, skin, horn, naiI and recreation. 4/


Types of pollution are- 1.Air Pollution. 2.Water Pollution. 3.Noise Pollution. 4.Land Pollution.

: Preventing and Reducing Surface Water Pollution Nonpoint Sources Point Sources  Reduce runoff  Buffer zone vegetation  Reduce soil erosion  Reduce soil erosion  Water Pollution Control Act (1972)  Water Pollution Control Act (1972/it all.” -Keystone xl rejected by State dept and Obama - “Big Oil’s” first REAL loss usually $ talks Obama says still wants US to move away from foreign oil -Environmentalists, scientists and native groups won. -Republicans demanded a decision before November election and/


Chapter 19 Air Pollution. Core Case Study: When Is a Lichen Like a Canary?  Lichens can warn us of bad air because they absorb it as a source of nourishment.

exposure to benzene can cause cancer, blood disorders, and immune system damage. Major Air Pollutants  Radon (Rn): Is a naturally occurring radioactive gas found in some types of soil and rock. Is a naturally occurring radioactive gas found in some types of soil and rock. It can seep into homes and buildings sitting above such deposits. It can seep into homes and buildings sitting above such deposits. Causes lung cancer/


Stormwater Key Requirements of the Construction General Permit and Tools for Compliance Scott Taylor, P.E., D.WRE.

Concrete washouts must be water tight Always be forthright with Regional Board inspectors. If a BMP breaks, somebody has to fix it! Stormwater Construction BMP Review Erosion controls Sediment controls Tracking controls Material and waste storage 31 Stormwater When Should BMPs be Implemented? Perimeter controls should be installed before breaking ground In preparation for a rain event In all areas that have been inactive for >14/


Air, Water and Land Pollution Chapter 5: Investigating the Environment Copyright © 2009 by DBS.

may be carried out to: –Determine emission rates, and assess how these are affected by process variations –Evaluate pollution control devices –Evaluate emission compliance Types of Monitoring Source Monitoring/and Soil Monitoring May become polluted in a number of ways: (a) Substances may get into soil/plants and then into the food supply (b) Substances may wash from the land and pollute water supplies (c) Contaminants may be resuspended and subsequently inhaled (d) Substances polluting the land may make it/


SNIST/Biotech/Ravindra/ES/41 Environmental Pollution Unit - 5 Dr. P. Ravindra Babu, Associate Professor, Dept. of Biotechnology, Sreenidhi Institute of.

/Biotech/Ravindra/ES/466 Eutrophication SNIST/Biotech/Ravindra/ES/467 Control of Water Pollution Input Control: Pollutants should be prevented from being generated in the first place. Output Control: To control the pollutant and /or its effect after it has been produced. Developing of proper sewage and industrial effluent systems can reduce incoming point source of pollution SNIST/Biotech/Ravindra/ES/468 Domestic and industrial waste waters should be disposed of after treatment/


LIVING IN THE ENVIRONMENT 17 TH MILLER/SPOOLMAN Chapter 12 Food, Soil, and Pest Management.

gas) Produces significant air and water pollution and greenhouse gases Is globally export-oriented Uses antibiotics and growth hormones to produce meat and meat products Fig. 12-1b, p. 277 Organic Agriculture Emphasizes prevention of soil erosion and the use of organic fertilizers such as animal manure and compost, but no sewage sludge to help replace lost plant nutrients Employs crop rotation and biological pest control Uses no genetically modified/


ENVIRONMENTAL REGULATIONS Primer and Case Studies Presented to: University of Arkansas at Little Rock Law School March 9, 2015 Presented by: William D.

features” that are described in ordinary parlance as “streams[,] …oceans, rivers, [and] lakes” POLLUTION CONTROL STRATEGY IN THE CWA  National Pollutant Discharge Elimination System (NPDES)  Industrial facilities (including manufacturing, mining, oil and gas extraction, and service industries)  Municipal governments and other government facilities (such as military bases), and  Some agricultural facilities, such as animal feedlots POLLUTION CONTROL STRATEGY IN THE CWA  Point sources may not discharge/


 Determining How To Prevent Agricultural Pollution.

. 2. Nitrates from stored manure can leach through the soil and make the water supply dangerous for young children. 3. In NM the Department of Agriculture monitors wells for pollution from agriculture enterprises such as dairies. HOW DOES LIVESTOCK PRODUCTION POLLUTE THE ENVIRONMENT, AND HOW CAN IT BE PREVENTED? V. Pesticides: are products used to control insects, weeds, and other pests. HOW CAN PESTICIDE DAMAGE TO THE ENVIRONMENT/


Pollution Chapter 13. Water Pollution Types and Sources of Water Pollution  #1 problem - Eroded soils  Organic wastes, disease-causing agents  Chemicals,

: Preventing and Reducing Surface Water Pollution Nonpoint Sources Point Sources  Reduce runoff  Buffer zone vegetation  Reduce soil erosion  Water Pollution Control Act (/and Soil Switzerland has lost 10% of its forests Increased chance of avalanches Acid Deposition, Plants, and Soil Large portions of forests in Norway have been lost, especially in southern regions Acid Deposition, Plants, and Soil Correlation between dying forests and thriving ground layer of mosses Acid Deposition, Plants, and Soil/


Air and Air Pollution Brian Kaestner Saint Mary’s Hall Brian Kaestner Saint Mary’s Hall Thanks to Miller and Clements.

Disturbance of water uptake Disturbance of nutrient uptake Soil acidification Kills certain essential soil microorganisms Release of toxic metal ions Nitrate Sulfate Magnesium Aluminum Calcium Potassium Acids Fig. 17.14, p. 432 See Connections p. 431 Solutions: Preventing and Reducing Air Pollution  Clean Air Act  National Ambient Air Quality Standards (NAAQS)  Primary and secondary standards  Output control vs. input control Emission Reduction PreventionDispersion or Cleanup Burn low/


` Area IV: Pollution IVA1: Air Pollution. ` 20-2 Outdoor Air Pollution Outdoor air pollution comes mostly from natural sources and burning fossil fuels.

and trees; smog can reduce visibility. l Property damage: Damages rubber, fabrics, and paints. ` Table 20-2 Major Outdoor Air Pollutants LEAD l Description: Solid toxic metal and its/20-6 Suspended particulate matter ` 20-3 Photochemical and Industrial Smog l industrial smog, cont.  most countries have adopted pollution controls, but several countries with industrialized urban areas have / because they are also growing in thin soils ` Fig. 20-11 Effects on soil and plants ` 20-4 Acid Deposition l progress/


Pollution Control and Environmental Governance, Theory (Env.403)” Prof. Dr. Rejina Maskey Byanju CDES,TU Faculty Orientation Program on B.Sc. 4 th Year.

General Objective: To produce competent professionals on environmental pollution control. Specific Objectives: To familiarize students with fundamental pollution control of air, water, noise and land pollution To provide knowledge of Integrated solid waste management approaches To provide basic concept of regulatory mechanism to control pollution To acquaint the concept of environment governance and its role in pollution controls To familiarize students on guiding principles of environment governance/


Chapter 18 Human Impact on the Earth. Water Water Air Air Soil Soil.

pollution is pollution that comes from many places rather than a single point. It comes from places like yards, parks, farms, streets, and storm sewers and reaches bodies of water via runoff. It comes from places like yards, parks, farms, streets, and storm sewers and /) to control the amount of pollutants that can be released from any source. Saving Our Soil Erosion is the process by which wind and water move soil from one place to another. Erosion is the process by which wind and water move soil from one/


ENVIRONMENTAL POLLUTION By Mr.C.R.Girish, Dept of Chemical Engg, MIT.

only 0.003% of the earth’ total volume of water is easily available to us as soil moisture, groundwater, water vapour and water in lakes, streams, rivers and wetlands.  In short if the world’s water supply were only 100 litres our usable supply/can live in warmer water survive. Control Measures  Thermal pollution can be controlled by passing the heated water through a cooling pond or a cooling tower after it leaves the condenser.  The heat is dissipated into the air and the water can then be discharged/


Air, Water and Land Pollution Chapter 4: Soils and Land Contamination Copyright © 2009 by DBS.

Pathway by which contamination reaches other compartments Receptor of contamination Soils and Land Contamination Contamination Threats to Soil Introduction Managing Risks: –Critical to understand major contributing factors and control mechanisms –Able to prioritize between issues and target management strategies and resources towards the most significant risks and contributing factors –Predicting consequences of soil pollution (what might happen) –Predicting the likelihood of occurrence (probability/


Environmental Science & Engineering CHAPTER 2 ENVIRONMENTAL POLLUTION 1.

Environmental Science & Engineering CHAPTER 2 ENVIRONMENTAL POLLUTION 1 Environmental Pollution - An unfavourable alteration of our surroundings. Types of Pollutants  Biodegradable Eg: Wood, Leaves and Cotton  Non – Biodegradable Eg: Plastics, Metals and Glasses. 2 Classification of Pollution 1.Air Pollution 2.Water Pollution 3.Soil Pollution 4.Marine Pollution 5.Noise Pollution 6.Thermal Pollution 7.Nuclear Pollution 3 1. Air Pollution It is an atmospheric condition where certain substances are present /


Tempus CD-JEP-32005-2004 Education and Culture Assiut University Coordinator Prof.Esmat Keheila 020882311906 0103082429 Grant Holder.

3221 Applied Sedimentology & Quaternary Geology. Env 516 (Group B) Engineering Geology 3221 Engineering Geology. Env 518 3221 Soil Mechanics and Stabilization Techniques. Env 520 3221 Engineering Geophysics. Env 522 3221 GIS & Remote Sensing and its Environmental Geosciences Applications. Env 524 1510 5Required Hours & Points (I) Water Pollution Presentation & Control: (Group C) Environmental Protection 3221 Drinking Water Treatment &Technology. Env 526 3221 Waste Water Treatment &Technology. Env/


Air Pollution Chapter 20. The Atmosphere as a Resource Atmospheric composition: Nitrogen = 78% Oxygen = 21% Argon = 0.93% Carbon dioxide = 0.04%

effects: Reduces visibility; acid deposition of H 2 SO 4 droplets can damage trees, soils, and aquatic life in lakes. Property damage: Corrodes metal; soils and discolors buildings, clothes, fabrics, and paints. Suspended Particulate Matter Table 20-2 Page 438 Table 20-2 Major Outdoor Air Pollutants LEAD Description: Solid toxic metal and its compounds, emitted into the atmosphere as particulate matter. Major human sources: Paint (old houses/


Food, Soil, and Pest Management Chapter 7. Core Case Study: Grains of Hope or an Illusion?  Vitamin A deficiency in some developing countries leads to.

3 Food production in the future may be limited by its serious environmental impacts, including soil erosion and degradation, desertification, water and air pollution, greenhouse gas emissions, and degradation and destruction of biodiversity. Fig. 7-9, p. 286 / to pesticides by pest organisms  Expensive for farmers  Some insecticides kill natural predators and parasites that help control the pest population  Pollution in the environment  Some harm wildlife  Some are human health hazards Modern Synthetic /


Low impact development robb lukes low impact development center june 2008 analysis and design.

of development, but it is at an extremely high density that will result in high runoff volume and peak rates and concentrated pollutant loads. Modeling will show that strategically placed and integrated best management /controlled overflow spillway Underdrain outflow Bottom slope influence Bottom roughness influence General loss or decay of pollutant (Due to settling, plant-uptake, volatilization, etc) Pollutant filtration through soil medium (Represented with underdrain outflow) Depending on the design and/


1.4.9 Human Impact on an Ecosystem 1 Pollution. 2 Human Impact on Ecosystems We are going to look at 3 ways that humans affect ecosystems: 1.PollutionPollution.

nature is maintained 4.Pollution and its effects are reduced 36 Agriculture One Conservation practice from one of the following areas is required: Mixed farming Crop rotation Biological controls Gene banks 37 Mixed farming What is mixed farming? Farming system where both arable (crops) and pastoral (livestock) farming is carried out. 38 Conservation and Mixed Farming Animals provide manure and help to maintain soil fertility and reduce the quantity/


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