21st Century Watershed Technology: Improving Water Quality and Environment Conference Proceedings, 29 March - 3 April 2008, Concepcion, Chile

  1. Assessment of Conservation Benefits Derived from Conservation Practices in the United States
    Authors:   J L Lemunyon, R L Kellogg
    Keywords:   Keywords: conservation; environmental benefits; water quality
    DOI:   10.13031/2013.24283
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  2. Revising BMP Efficiencies for the Chesapeake Bay Watershed: Challenges and Lessons Learned
    Authors:   Thomas W Simpson, Sarah E Weammert
    Keywords:   Keywords: BMP, water quality, BMP efficiency, watershed modeling, Chesapeake Bay, conservation effects, BMP effectiveness estimates
    DOI:   10.13031/2013.24284
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  3. The need for an Environmental Program for Agriculture
    Authors:   Ron Jones
    Keywords:   Keywords: PIMA; NPDES; agriculture; Clean Water Act; water quality; watershed
    DOI:   10.13031/2013.24285
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  4. Modeling Impacts of Post Development Water Quality BMPs
    Authors:   J C Hayes, B J Barfield, S L Harp, M Chalavadi, E Stevens, M D Alexander, B T Bates
    Keywords:   Water quality model, urban development, best management practices, low impact development, stormwater, sediment control, urban hydrology, bacteria, nutrients
    DOI:   10.13031/2013.24286
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  5. Integrated nutrient management to control water pollution. A further step ahead referred to an Italian lake basin
    Authors:   Monica Garnier, Fabio Recanatesi, Maria Nicolina Ripa, Antonio Leone
    Keywords:   Agricultural non-point pollution, nitrogen balance, nitrogen leaching, integrated nutrient management
    DOI:   10.13031/2013.24287
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  6. Optimal Placement of Conservation Practices using Genetic Algorithm with SWAT
    Authors:   Manoj K Jha, Sergey Rabotyagov, Philip W Gassman, Hongli Feng, Todd Campbell
    Keywords:   Raccoon River Watershed, SWAT, Genetic Algorithm, Nutrient Calibration
    DOI:   10.13031/2013.24288
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  7. Modelling hydrological response to climate change; experiences from two south – central Chilean Watersheds
    Authors:   Alejandra Stehr, Patrick Debels, José Luis Arumi
    Keywords:   Climate change, hydrological modelling, SWAT, Chile, Biobío
    DOI:   10.13031/2013.24289
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  8. Emerging Concepts for Design and Managamenet of Irrigation Canals
    Authors:   Jose Luis Arumi, Diego Andres Rivera, Eduardo A Holzapfel
    Keywords:   agriculture, Chile, irrigation canals, water quality, management
    DOI:   10.13031/2013.24290
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  9. Exploratory Data Analysis Techniques Applied to Hydrological Time Series. I: Self-Organizing Maps
    Authors:   Diego A Rivera, José L Arumí, Mario F Lillo
    Keywords:   groundwater quality, data analysis, clustering, self-organizing maps, Piper Diagram
    DOI:   10.13031/2013.24291
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  10. Exploratory Data Analysis Techniques Applied to Hydrological Time Series. II: Wavelets Transform
    Authors:   Diego A Rivera, Mario F Lillo, José L Arumí
    Keywords:   Precipitation, ENSO, El Niño, wavelet transform, Chile
    DOI:   10.13031/2013.24292
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  11. Spatially Explicit Simulation of Soil C Dynamics with the Century Model
    Authors:   Carlos Gustavo Tornquist, Joao Mielnickzuk, Philip Walter Gassman
    Keywords:   Keywords: soil organic carbon, conservation tillage, cropping systems, Century, GIS, spatial data
    DOI:   10.13031/2013.24293
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  12. Assessing Ecosystem Health in Rural Mixed Land-Use Watersheds
    Authors:   MC G Brisbois, R Jamieson, R Gordon, G Stratton, A Madani
    Keywords:   nutrients, macroinvertebrates, agriculture, dissolved oxygen, delta method, stream ecosystems, BMP assessment
    DOI:   10.13031/2013.24294
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  13. Attachment of bacterial indicators to particulates in runoff from various soils
    Authors:   Michelle L Soupir, Saied Mostaghimi
    Keywords:   Bacterial partitioning, indicator organisms, E coli, enterococci, nonpoint source pollution
    DOI:   10.13031/2013.24295
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  14. Discovering a Link between Urban Runoff Quality and Population Demographics
    Authors:   Roger H Glick
    Keywords:   Urban storm water, water quality, runoff, demographics
    DOI:   10.13031/2013.24296
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  15. Quantitative Performance Screening Method for Flocculants Based on Particle Size Distribution Data
    Authors:   Sebastian Fernando Torrealba, Richard Charles Warner
    Keywords:   Flocculation, Polyacrylamides, Sediment Detention Basin, Sediment Trapping Efficiency
    DOI:   10.13031/2013.24297
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  16. A Model Evaluation and Modification Strategy
    Authors:   R P., Rudra, A Singh, S Das, S I Ahmed, B Gharabaghi, W T Dickinson
    Keywords:   Keywords: Hydrologic model, model evaluation, model modification, water budget
    DOI:   10.13031/2013.24298
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  17. Using SWAT for Investigation and Water Quality Management of Zayandeh Roud Watershed in Esfahan
    Authors:   Teymour M Sohrabi, Behnam Abbabaei
    Keywords:   Keywords: SWAT Model, Water Quality, Zayandeh-Roud, Iran
    DOI:   10.13031/2013.24299
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  18. Engineered Conservation Structures using Discarded Tires
    Authors:   Donald C Slack, Guillermo Garcia, Robert Roth, Stuart Hoenig, Rafael Segovia, Refugio Soto, Arturo Frayre
    Keywords:   Erosion control structures, used tires, conservation structures
    DOI:   10.13031/2013.24300
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  19. Understanding water resources through a high school-university cooperative project development
    Authors:   Marcelo S Míguez, Cecile M Du Mortier, Mariana Vaccaro, María Inés Morando, Alicia Fernández Cirelli
    Keywords:   Keywords: cooperative project, agrotechnical schools, curricula complementation, environmental education, voluntary students
    DOI:   10.13031/2013.24301
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  20. Payments for Watershed Services in Developing Countries
    Authors:   Theo A Dillaha, Paul J Ferraro, Marjorie Huang, Shyam Upadhyaya, Douglas Southgate, Sven Wunder, Rohit Jindal, John Kerr
    Keywords:   Payments for watershed services, payments for environmental services, conservation, watershed management, environmental protection, Africa, Asia, Latin America
    DOI:   10.13031/2013.24302
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  21. A Distributed Hydrological Model of Irrigation and Agricultural Land Use at the Basin Scale Application to the VIIth Region Chile
    Authors:   Thorsten R Arnold, Hamil L Uribe, Berger Thomas
    Keywords:   Integrated basin management, integrated watershed management, irrigation, distributed hydrological modeling, integrated modeling system
    DOI:   10.13031/2013.24303
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  22. Surface Water Interactions with Shallow Groundwater in a Hydrologically Well-Bounded Valley in Central Chile
    Authors:   Jose Luis Arumi, Diego Andres Rivera, Eduardo A Holzapfel, Alexander Fernald
    Keywords:   agriculture, Chile, groundwater, irrigation seepage, MODFLOW, surface water-groundwater interactions
    DOI:   10.13031/2013.24304
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  23. Use of CEEOT-SWAPP Modeling System for Targeting and Evaluating Environmental Pollutants
    Authors:   Ali Saleh, Edward Osei, Oscar Gallego
    Keywords:   Keywords: APEX; FEM; GIS; modeling; nutrient; sediment; SWAT; Water quality
    DOI:   10.13031/2013.24305
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  24. Evaluation of Microbial Water Quality Indicators in a Forested and Agricultural Watershed
    Authors:   Daniel R Shelton, Jeffrey S Karns, Cary Coppock, Yakov A Pachepsky, Ali M Sadeghi
    DOI:   10.13031/2013.24306
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  25. Growing Season Surface Water Loading of Fecal Bacteria within a Rural Watershed
    Authors:   Andrew Sinclair, Rob Jamieson, Dale Hebb, Katherine Benedict, Keith Fuller, Robert Gordon, Glen Stratton, Ali Madani
    Keywords:   fecal coliform, E coli, watershed, water quality, sediment
    DOI:   10.13031/2013.24307
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  26. Assessing Alternative Fecal Coliform Direct Deposit Modeling Approaches
    Authors:   Kyle M Hall, Brian L Benham, Kevin M Brannan, Rebecca W Zeckoski
    Keywords:   direct deposit; non point source; watershed management; simulation; HSPF
    DOI:   10.13031/2013.24308
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  27. Reduction of Interrill Erosion by different application methods of Polyacrylamide and Gypsum
    Authors:   Salvador F Acuña, L Darrell Norton, Eusebio Jr Ventura
    Keywords:   Polyacrylamide, gypsum, soil, interrill erosion
    DOI:   10.13031/2013.24309
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  28. Apparent Changes In Rainfall Extremes and Possible Changes In Soil Erosion and Sediment Yield
    Authors:   W T Dickinson, R P Rudra
    Keywords:   Climate change, rainfall extremes, soil erosion, sediment yield
    DOI:   10.13031/2013.24310
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  29. Uncertainty Consideration in Watershed Scale Models
    Authors:   Adel Shirmohammadi, Aisha M Sexton, Hubert Montas, Ali M Sadeghi
    Keywords:   Key Words: Watershed Modeling, hydrology, Uncertainty, TMDL, nutrient reduction
    DOI:   10.13031/2013.24311
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  30. Integration of GIS, Remote Sensing and USLE to Estimate Soil Erosion Potential in Nzoia River Basin (Kenya).
    Authors:   Herbert Ssegane, Tommy Jordan, E W Tollner
    Keywords:   Erosion, Remote sensing, Geographic information systems, USLE
    DOI:   10.13031/2013.24312
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  31. Assessment of Water Resources in the Piracicaba, Capivari, and Jundiaí River Basins: A Dynamic Systems Approach
    Authors:   Rodrigo Máximo Sánchez-Román, Marcos Vinicius Folegatti, Alba Maria G Orellana
    Keywords:   Keywords: water stress, water management, watershed, modeling
    DOI:   10.13031/2013.24313
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  32. Hydrological modeling of a complex irrigation district in the Central Valley of Chile
    Authors:   Hamil L Uribe, Thorsten Arnold, Berger Tomas, José L Arumi
    Keywords:   Distributed model, irrigation, watershed, hydrology
    DOI:   10.13031/2013.24314
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  33. Removal of iron and manganese existing in water in presence of sulfate by rapid sand filter
    Authors:   Hossein Banejad, Reza Pirtaj hamedani, Navab Daneshi, Mehdi Mokari
    Keywords:   Iron and manganese, sulfate, rapid sand filtration, removal efficiency
    DOI:   10.13031/2013.24315
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  34. Evaluation of Flow Regime in Mediterranean Streams Using Flashiness Index
    Authors:   Anna Maria De Girolamo, Antonio Lo Porto, Aziz Abouabdillah, Daria De Luca, Gerardina Santese
    Keywords:   Mediterranean streams, intermittent rivers, Flashiness Index
    DOI:   10.13031/2013.24316
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  35. Effect of Liquid and Dry PAM Applications on Sediment Concentration in Surface Runoff from Furrow-irrigated Fields
    Authors:   Blaine Hanson, Allan Fulton, Rachael Long, Don Weston
    Keywords:   PAM, irrigation, furrow irrigation, infiltration, polyacrylamide
    DOI:   10.13031/2013.24317
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  36. Impacts of Land Cover Change during and After Urban Development
    Authors:   B J Barfield, J C Hayes, S L Harp, M Chalavadi, S Yeri, E W Stevens, M D Alexander, B T Bates
    Keywords:   Keywords: runoff, water quality, land-use change, best management practices, modeling
    DOI:   10.13031/2013.24318
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  37. Modeling Impacts of Construction during Urban Development
    Authors:   S L Harp, B J Barfield, J C Hayes, S Yeri, E W Stevens, M D Alexander, B T Bates
    Keywords:   sediment, best management practices, erosion control, hydrologic modeling
    DOI:   10.13031/2013.24319
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  38. Assessment of Bioenergy-Related Scenarios for the Boone River Watershed in North Central Iowa
    Authors:   Philip W Gassman, Silvia Secchi, Manoj Jha
    Keywords:   Cropping systems, corn, switchgrass, ethanol production, SWAT, nitrate, tile drainage
    DOI:   10.13031/2013.24320
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  39. Effects of Thinning on Hydrology and Water Quality of a Drained Pine Forest in Coastal North Carolina
    Authors:   Devendra M Amatya, Wayne R Skaggs
    Keywords:   Loblolly pine, Drainage Outflow, Evapotranspiration, Water Table, Nutrients
    DOI:   10.13031/2013.24321
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  40. Plani-S: a tool to protect water quality on forest roads in Canada
    Authors:   Mark W Partington
    Keywords:   forest roads, water quality, fish habitat, erosion control
    DOI:   10.13031/2013.24322
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  41. Hydrologic impacts of converting grassland to managed forestland in Uruguay
    Authors:   George M Chescheir, R Wayne Skaggs, Devendra M Amatya
    Keywords:   Afforestation, Forest hydrology, Water yield, Paired watersheds, Loblolly pine
    DOI:   10.13031/2013.24323
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  42. Development and Verification of JAZZ1D: A Stream Temperature Model
    Authors:   Oscar Link Professor, Dr.-Ing., Andrés Espinoza Research Fellow, Alejandra Stehr , Alex García
    Keywords:   Temperature distribution modeling, finite volumes, Biobío basin
    DOI:   10.13031/2013.24324
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  43. Advances In Irrigation Water Disinfection By Solar Photocatalysis: Experimental Development And Preliminary Results
    Authors:   Felipe Alexis De la Hoz, Diego Andres Rivera, Jose Luis Arumi
    Keywords:   Agriculture; water; disinfection; photocatalysis; solar
    DOI:   10.13031/2013.24325
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  44. Integration of applicable techniques to study the river beds affected by the metallic mining industry
    Authors:   Ana María Chávez Sernaqué, Jesús García Iglesias
    Keywords:   Mining contamination Chemical analysis Mineralogical analysis Statistical techniques Water Sediments River bed
    DOI:   10.13031/2013.24326
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  45. Watershed Model Evaluation of Agricultural Ditch Drainage Control Structures for Improved Water Quality
    Authors:   Ali Sadeghi, Greg McCarty, Dean Hively, Daniel Moriasi, Adel Shirmohammadi
    Keywords:   Control Drainage, Denitrification, Choptank, Watershed
    DOI:   10.13031/2013.24327
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  46. Decision support system for catchment management with focus on mining impacts and arid zones – Elqui Valley, Chile.
    Authors:   Nicole Kretschmer, Ana Buxo, Luis Ribeiro, Guido Soto, Manuel Soto, Ricardo Oyarzún
    Keywords:   Keywords: Data Management, DSS, Mining, Water Quality, Watershed Management, Elqui, GIS
    DOI:   10.13031/2013.24328
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  47. Non-destructive Measurement on Crop Water Stress Based on Microcomputer
    Authors:   Shifeng Yang, Ye Yang, Jiankai Li, Xiuqing Wang
    Keywords:   Non-destructive measurement, ultrasonic acoustic emissions, xylem cavitation, data acquisition
    DOI:   10.13031/2013.24329
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  48. Reducing Overland Flow by Means of Grass Hedges – Experimental Results in Northern China
    Authors:   J Y Wu, D Huang, W J Teng, V I Sardo
    Keywords:   soil erosion,overland flow,filtering strips,simulated rain,water storage,empiric erosion model
    DOI:   10.13031/2013.24330
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  49. Sediment Control with Rice Straw Mat Covers from Sloping Sandy Fields – a Rainfall Simulation Study
    Authors:   Joongdae Choi, Kyong Jae Lim, Min Hwan Shin, Yong Hun Choi, Young Soon Choi, Myung Sook Jung, Chun Kyong Yoon
    Keywords:   Rice straw mat, sloping field, muddy runoff, sediment discharge, rainfall simulation, alpine area
    DOI:   10.13031/2013.24331
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  50. Agririsk-Swat: A Decision Support System to Compute Hydrologic and Nps Pollution Risk Analysis in Agricultural Watersheds
    Authors:   Gabriel G Vazquez-Amabile, Bernard A Engel
    DOI:   10.13031/2013.24332
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  51. Construction of a Digital Hydrologic Soil Group Map for Argentina to Simulate Runoff Using GIS – Hydrologic Models
    Authors:   Gabriel G Vazquez-Amabile, Pablo A Mercuri, Fernanda J Gaspari, Bernard A Engel
    DOI:   10.13031/2013.24333
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  52. Macro-level analysis of CNMPs in the Ohio River Basin
    Authors:   Edward Osei, Bing Du, Larry Hauck, Ali Saleh, Alex Tanter
    Keywords:   Keywords: Macro, computer simulation models, manure, costs, practices, water quality, phosphorus, CNMPs, statistical clustering
    DOI:   10.13031/2013.24334
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  53. Impacts of the Agricultural Expansion in the Brazilian Legal Amazon on the Surface Runoff Generation: A Study Case
    Authors:   Eduardo Eiji Maeda, Antonio Roberto Formaggio, Yosio Edemir Shimabukuro
    Keywords:   Brazilian Amazon, Deforestation, Surface Runoff, AGWA
    DOI:   10.13031/2013.24335
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  54. Using QUAL2K to Investigate Dissolved Oxygen for Upper Oyster Creek, Texas
    Authors:   Bing Du, Larry M Hauck, Ali Saleh
    Keywords:   Keywords: water quality, dissolved oxygen, hydrological model, QUAL2K, TMDL
    DOI:   10.13031/2013.24336
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  55. Refinement and Validation of SWAT Model for Central Texas TMDL
    Authors:   James Byron Houser, Ali Saleh, Larry M Hauck
    Keywords:   SWAT, TMDL, phosphorus, watershed models, calibration
    DOI:   10.13031/2013.24337
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  56. Interactions of Woody Biofuel Feedstock Production Systems with Water Resources: Considerations for Sustainability
    Authors:   Carl C Trettin, Devendra M Amatya, Mark Coleman
    Keywords:   Short rotation woody crop, forest hydrology, water quality, hardwood plantation
    DOI:   10.13031/2013.24338
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  57. Swine wastewater treatment by a combined system: preliminary results
    Authors:   Marisol Belmonte, Mayra Jarpa, José Luis Arumi, Gladys Vidal
    Keywords:   Swine wastewater, treatment, constructed wetlands, anaerobic lagoon, organic matter, nutrients
    DOI:   10.13031/2013.24339
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  58. Adaptive Watershed Management in the South American Highlands: Learning and Teaching on the Fly
    Authors:   Jeffry Alwang, Víctor Barrera, Robert Andrade, Sally Hamilton, George Norton
    DOI:   10.13031/2013.24340
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  59. Managing Agricultural Ecosystems for Multiple Services in Changing Climates
    Authors:   Ghassem R Asrar
    DOI:   10.13031/2013.24341
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  60. Restoration of a prior converted farm in Eastern NC with multiple target wetland communities
    Authors:   Michael R Burchell, II, R O Evans, K L Bass, S W Broome, J D Wright, J A Lindgren
    DOI:   10.13031/2013.24342
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  61. Hydrologic and Chemical-Transport Modeling to Assess Watershed-Scale Impacts of Onsite Wastewater Pollutants and Future Scenarios
    Authors:   John E McCray, Mengistu Geza, Eileen P Poeter
    DOI:   10.13031/2013.24343
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  62. Modeling transport and treatment of organic trace pollutants during riverbank filtration
    Authors:   John E McCray, Gretchen L Oldham, Jorg E Drewes, Christiane Hoppe
    DOI:   10.13031/2013.24344
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  63. Attachment Of Bacterial Indicators To Particulates In Runoff From Various Soils
    Authors:   Michelle L Soupir, Saied Mostaghimi, Elizabeth Alphin
    DOI:   10.13031/2013.24345
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  64. Response of Soil, Water and Plants to Fertilization with Mineral and Organic Nitrogen Fertilizers
    Authors:   M Russo, R Iacona, E Verde, A Belligno, V I Sardo
    Keywords:   NPS pollution, sustainable fertilization, nitrogen leaching, lettuce N fertilization, red chicory N fertilization, celery N fertilization, organic nitrogen
    DOI:   10.13031/2013.24346
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