Projects

Sustainable Groundwater Management under Variable Climate and Land Use Change Specific Cooperative Agreement (S)   Accession Number: 414734

Publications

Ambient and indoor particulate aerosols generated by dairies in the Southern High Plains - (Peer Reviewed Journal) - (16-Sep-09)

The winds of change - (Review Article)

Clark, R.N. 2009. The winds of change. Resource Magazine. July/August 2009. p. 4-6.

Determining the optimum solar water pumping system for domestic use, livestock water, or irrigation - (Proceedings/Symposium)

Vick, B.D., Clark, R.N. 2009. Determining the optimum solar water pumping system for domestic use, livestock water, or irrigation. In: Proceedings of the 38th American Solar Energy Society Annual Conference, May 11-16, 2009, Buffalo, New York. 2009 CDROM.

Comprehensive history of windmills - (Book/Chapter)

Clark, R.N. 2008. Comprehensive history of windmills. In: Gillis, C. editor/author. Windpower. Atglen, PA:Schiffer Publishing Ltd. p. 4.

Performance of a small wind powered water pumping system - (Proceedings/Symposium)

Vick, B.D., Neal, B., Clark, R.N. 2008. Performance of a small wind powered water pumping system. In: Proceedings of Windpower 2008 Conference and Exhibition, June 1-4, 2008, Houston, Texas. 2008 CDROM.

Livestock water pumping with wind and solar power - (Proceedings/Symposium)

Clark, R.N., Vick, B.D. 2008. Livestock water pumping with wind and solar power. In: Proceedings of the American Society of Agricultural and Biological Engineers (ASABE) Annual Meeting, June 29-July 2, 2008, Providence, Rhode Island. Paper No. 084176. Available: http://asae.frymulti.com/azdez.asp?search=1&JID=5&AID=24762&CID=prov2008&v=&i=&T=1

Ammonia emissions from a beef cattle feedyard on the Southern High Plains - (Peer Reviewed Journal)

Todd, R.W., Cole, N.A., Clark, R.N., Flesch, T.K., Harper, L.A., Baek, B. 2008. Ammonia emissions from a beef cattle feedyard on the Southern High Plains. Atmospheric Environment. 42:6797-6805.

PM2.5 and Pm10 Concentrations in Four Dairies on the Southern High Plains - (Abstract)

Purdy, C.W., Clark, R.N., Straus, D.C. 2008. PM2.5 and PM10 concentrations in four dairies on the Southern High Plains [abstract]. American Association for Aerosol Research 27th Annual Conference, October 20-24, 2008, Orlando, Florida. Abstract No. 7C.03. 2008 CDROM.

Improved electrical load match in California by combining solar thermal power plants with wind farms - (Proceedings/Symposium)

Vick, B.D., Clark, R.N., Mehos, M. 2008. Improved electrical load match in California by combining solar thermal power plants with wind farms. In: Proceedings of the SOLAR 2008 Conference, May 3-8, 2008, San Diego, California. 2008 CDROM.

Soil nitrogen distribution and deposition on shortgrass prairie adjacent to a beef cattle feedyard - (Peer Reviewed Journal)

Todd, R.W., Cole, N.A., Clark, R.N., Rice, W.C. 2008. Soil nitrogen distribution and deposition on shortgrass prairie adjacent to a beef cattle feedyard. Biology and Fertility of Soils. 44:1099-1102.

Using rotor or tip speed in the acoustical analysis of small wind turbines - (Proceedings/Symposium)

Vick, B.D., Clark, R.N. 2008. Using rotor or tip speed in the acoustical analysis of small wind turbines. In: Proceedings of 46th AIAA Aerospace Sciences Meeting and Exhibit, January 7-10, 2008, Reno, Nevada. AIAA 2008-1334. 2008 CD-ROM.

Speed control of a small turbine using electrical loading. - (Proceedings/Symposium)

Neal, B., Clark, R.N. 2007. Speed control of a small turbine using electrical loading. In: Proceedings of the AWEA Windpower 2007 Conference, June 3-6, 2007, Los Angeles, California. 2007 CD-ROM.

Analysis of wind farm energy produced in the United States - (Proceedings/Symposium)

Vick, B.D., Clark, R.N., Carr, D. 2007. Analysis of wind farm energy produced in the United States. In: Proceedings of the AWEA Windpower 2007 Conference, June 3-6, 2007, Los Angeles, California. 2007 CD-ROM.

Comparison of solar powered water pumping systems which use diaphragm pumps - (Proceedings/Symposium)

Vick, B.D., Clark, R.N. 2007. Comparison of solar powered water pumping systems which use diaphragm pumps. In: Proceedings of the 36th American Solar Energy Society Annual Conference, July 7-12, 2007, Cleveland, Ohio. 2007 CDROM.

Ammonia emissions from open lot beef cattle feedyards on the Southern High Plains - (Proceedings/Symposium)

Todd, R.W., Cole, N.A., Clark, R.N. 2007. Ammonia emissions from open lot beef cattle feedyards on the Southern High Plains. In: Proceedings of the 16th Annual International Emission Inventory Conference, May 14-17, 2007. Raleigh, North Carolina. Available: http://www.epa.gov/ttn/chief/conference/ei16/session5/todd.pdf

Indoor air quality of four Southern High Plains dairy milking parlors in the summer and winter - (Abstract)

Purdy, C.W., Clark, R.N., Straus, D.C. 2007. Indoor air quality of four Southern High Plains dairy milking parlors in the summer and winter [abstract]. In: Proceedings of the American Association for Aerosol Research Annual Conference, September 9-14, 2007, Reno, Nevada. p. 3B.4. 2007 CD-ROM.

The influence of feedlot pen surface layers on microbial community structure and diversity. - (Proceedings/Symposium)

Rice, W.C., Mason, A., Cole, N.A., Clark, R.N. 2007. The influence of feedlot pen surface layers on microbial community structure and diversity. In: Proceedings of the ASABE International Symposium on Air Quality and Waste Management for Agriculture, September 16-19, 2007, Broomfield, Colorado. 2007 CD-ROM.

Analysis of aerosolized particulates of feedyards located in the southern High Plains of Texas. - (Peer Reviewed Journal)

Purdy, C.W., Clark, R.N., Straus, D.C. 2007. Analysis of aerosolized particulates of feedyards located in the Southern High Plains of Texas. Aerosol Science and Technology. 41:497-509.

Evaporation from cattle feedyard pens estimated by Bowen ratio-energy balance. - (Abstract)

Todd, R.W., Cole, N.A., Auvermann, B., Clark, R.N. 2006. Evaporation from cattle feedyard pens estimated by Bowen ratio-energy balance [abstract]. In: Proceedings of ASA-CSSA-SSSA Annual International Meeting, November 12-16, 2006, Indianapolis, Indiana. 2006 CDROM.

Affect of New Blades on Noise Reduction of Small Wind Turbine Water Pumping Systems - (Proceedings/Symposium)

Vick, B.D., Clark, R.N. 2006. Affect of new blades on noise reduction of small wind turbine water pumping systems. In: Proceedings of American Wind Energy Association. Windpower 2006 Conference and Exhibition, June 4-7, 2006, Pittsburgh, Pennsylvania. 2006 CDROM.

Aerosolized dust particulates and bioaerosols of a dairy on the Southern High Plains of New Mexico - (Abstract)

Purdy, C.W., Clark, R.N., Straus, D.C. 2006. Aerosolized dust particulates and bioaerosols of a dairy on the Southern High Plains of New Mexico [abstract]. In: Abstract Book (Volume 1) of 2006 International Aerosol Conference, September 10-15, 2006, St. Paul, Minnesota. p. 867.

Solid-State Sensors for Control and Data Acquisition on Small Wind Turbines - (Proceedings/Symposium)

Neal, B., Holman, A., Clark, R.N. 2006. Solid-state sensors for control and data acquisition on small wind turbines. In: Proceedings of American Wind Energy Association. Windpower 2006 Conference and Exhibition, June 4-7, 2006, Pittsburgh, Pennsylvania. 2006 CDROM.

Large Scale Deployment of Renewable Energy by Combining Wind Farms with Solar Thermal Power Plants - (Proceedings/Symposium)

Vick, B.D., Clark, R.N. 2006. Large scale deployment of renewable energy by combining wind farms with solar thermal power plants. In: Proceedings of the American Solar Energy Society Annual Conference, July 8-13, 2006, Denver, Colorado. 2006 CDROM.

Soil Nitrogen and Carbon Distribution on Native Shortgrass Prairie Adjacent to a Cattle Feedyard - (Abstract)

Todd, R.W., Cole, N.A., Clark, R.N., Rice, W.C. 2005. Soil nitrogen and carbon distribution on native shortgrass prairie adjacent to a cattle feedyard [abstract]. Agronomy Abstracts, ASA-CSSA-SSSA Annual Meeting, November 6-10, 2005, Salt Lake City, Utah. 2005 CDROM.

Reducing Crude Protein in Beef Cattle Diet Reduces Ammonia Emissions from Artificial Feedyard Surfaces - (Peer Reviewed Journal)

Todd, R.W., Cole, N.A., Clark, R.N. 2006. Reducing crude protein in beef cattle diet reduces ammonia emissions from artificial feedyard surfaces. Journal of Environmental Quality. 35:404-411.

Water Pumping Performance of a Solar-Pv Powered Helical Pump - (Proceedings/Symposium)

Vick, B.D., Clark, R.N. 2005. Water pumping performance of a solar-PV powered helical pump. In: Proceedings of International Solar Energy Society (ISES) 2005 Solar Water Congress, August 8-12, 2005, Orlando, Florida. 2005 CDROM.

Performance and Acoustic Analysis of a Small Wind Turbine Used with a Helical Pump for Livestock Watering - (Proceedings/Symposium)

Vick, B.D., Clark, R.N. 2005. Performance and acoustic analysis of a small wind turbine used with a helical pump for livestock watering. In: Proceedings of the American Wind Energy Association: Windpower 2005, May 15-18, 2005, Denver, Colorado. p. 11. 2005 CDROM.

Effect of Panel Temperature on a Solar-Pv Ac Water Pumping System - (Proceedings/Symposium)

Vick, B.D., Clark, R.N. 2005. Effect of panel temperature on a Solar-PV AC water pumping system. In: Proceedings of the International Solar Energy Society (ISES) 2005 Solar Water Congress: Bringing water to the World, August 8-12, 2005, Orlando, Florida. p. 159-164. 2005 CDROM.

Water Pumping Performance of a Solar-Pv Powered Helical Pump - (Proceedings/Symposium)

Vick, B.D., Clark, R.N. 2005. Water pumping performance of a Solar-PV powered helical pump. In: Proceedings of the International Solar Energy Society (ISES) 2005 Solar Water Congress: Bringing Water to the World, August 8-12, 2005, Orlando, Florida. p. 5. 2005 CDROM.

Livestock Watering with Renewable Energy Systems - (Book/Chapter)

Clark, R.N., Vick, B.D. 2005. Livestock watering with renewable energy systems. In: Outlaw, J., Collins, K.J., Duffield, J.A., editors. Agriculture as a Producer and Consumer of Energy. Wallingford, Oxfordshire, United Kingdom: CABI Publishing. p. 232-242.

Influence of Dietary Crude Protein Concentration and Source on Potential Ammonia Emissions from Beef Cattle Manure - (Peer Reviewed Journal)

Cole, N.A., Clark, R.N., Todd, R.W., Richardson, C.R., Gueye, A., Greene, L.W., McBride, K. 2005. Influence of dietary crude protein concentration and source on potential ammonia emissions from beef cattle manure. Journal of Animal Science. 83:722-731.

Aerosolized Dust Particulates of Feedyards on the Southern High Plains of Texas - (Abstract)

Purdy, C.W., Straus, D.C., Clark, R.N. 2004. Aerosolized dust particulates of feedyards on the Southern High Plains of Texas [abstract]. In: Proceedings of the 85th Annual Conference of Research Workers in Animal Diseases, November 14-16, 2004, Chicago, Illinois. 114:52.

Wind Water Pumping - (Book/Chapter)

Nelson, V., Clark, R.N., Foster, R. 2004. Wind water pumping [CDROM]. Canyon, Texas: West Texas A&M University, Alternative Energy Institute.

Wind Water Pumping / Bombe DE Agua Con Energia Eolica - (Book/Chapter)

Vaughn, N., Clark, R.N., Foster, R. 2005. Wind Water Pumping/Bombe de Agua con Energia Eolica. Alternative Energy Institute, West Texas A&M University, Canyon, Texas. [Study Course on CDROM].

Survival of Enteric Pathogens in Manure Removed from Feedyard Surface Pens - (Abstract)

Purdy, C.W., Straus, D.C., Clark, R.N. 2004. Survival of enteric pathogens in manure removed from feedyard surface pens [abstract]. In: Proceedings of Second International Scientific Conference, October 26-27, 2004, Samarkand, Republic of Uzbekistan. p. 25.

(806)356-5750 - (Abstract)

Todd, R.W., Cole, N.A., Harper, L.A., Flesch, T.K., Clark, R.N. 2004. Flux-gradient estimates of ammonia emissions from a beef cattle feedyard [abstract]. Agronomy Abstracts, ASA-CSSA-SSSA Annual Meeting, Seattle, Washington. 2004 CDROM.

Matching Wind Resource in the Southern Great Plains with Utility Electrical Loading - (Proceedings/Symposium)

Vick, B.D., Starcher, K., Clark, R.N., Traurig, J. 2004. Matching wind resource in the Southern Great Plains with utility electrical loading. In: American Wind Energy Association: Global Windpower 2004, March 28-31, 2004, Chicago, Illinois. p. 20. 2004 CDROM.

Performance and Maintenance Experiences with a Wind Turbine During 20 Years of Operation - (Proceedings/Symposium)

Clark, R.N. 2004. Performance and maintenance experiences with a wind turbine during 20 years of operation. In: Proceedings of The American Wind Energy. Global Windpower 2004, March 28-31, 2004, Chicago, Illinois. 2004 CDROM.

Influence of Dietary Crude Protein on Potential Ammonia Emissions from Beef Cattle Manure - (Proceedings/Symposium)

Cole, N.A., Clark, R.N., Todd, R.W., Richardson, R., Gueye, A., Greene, L.W., Mcbride, K. 2003. Influence of dietary crude protein on potential ammonia emissions from beef cattle manure. International Conference on Air Pollution from Agricultural Operations. p. 183-188.

Comparison of Microorganisms and Concentration of Endotoxin in the Air of Southern High Plains Feedyards - (Peer Reviewed Journal)

Purdy, C.W., Straus, D.C., Parker, D.B., Wilson, S.C., Clark, R.N. 2004. Comparison of microorganisms and concentration of endotoxin in the air of southern high plains feedyards. American Journal of Veterinary Research. 65:45-52.

Diversity of Salmonella Serovars in Feedyard and Nonfeedyard Playas of the Southern High Plains in the Summer and Winter - (Peer Reviewed Journal)

Purdy, C.W., Straus, D.C., Clark, R.N. 2004. Diversity of Salmonella serovars in feedyard and nonfeedyard playas of the southern high plains in the summer and winter. American Journal of Veterinary Research. 65:40-44.

Influence of Dietary Crude Protein on Potential Ammonia Emissions from Beef Cattle Manure - (Abstract)

Cole, N. A., Clark, R. N., Todd, R. W., Richardson, C. R., Gueye, A., Greene, L. W., Mcbride, K. Influence of Dietary Crude Protein on Potential Ammonia Emissions From Beef Cattle Manure. Journal of Animal Science. 2003. v. 81(Suppl.1). p. 110. Abstract No. 436.

Battery Charging with a Small Downwind Horizontal-Axis Wind Turbine - (Proceedings/Symposium)

V26. Vick, B.D., Neal, B., Clark, R.N., Holman, A. Battery Charging With a Small Downwind Horizontal-Axis Wind Turbine. CD-ROM. WindPower 2003 Conference Proceedings. 2003.

Prolonging the Life of the Ogallala Aquifer, What=s Happening in the Texas High Plains? - (Abstract)

Clark, R.N. Prolonging the Life of the Ogallala Aquifer, What¿s Happening in the Texas High Plains? Proceedings of the Water and the Future of Kansas Conference. 2003. v. 20. p. 4.

Water Pumping with Ac Motors and Thin-Film Solar Panels - (Proceedings/Symposium)

Vick, B.D., Neal, B., Clark, R.N., Holman, A. Water Pumping With AC Motors and Thin-Film Solar Panels. CD-ROM. Solar 2003.

Hybrid Electric Power Generation with Wind and Diesel - (Proceedings/Symposium)

Clark, R.N. 2002. Hybird electric power generation with wind and diesel. Agricultural Engineering International Conference Proceedings. American Society for Agricultural Engineers. Paper No. 024186.

Solar Pv-Water Pumping with Fixed and Passive Tracking Panels - (Proceedings/Symposium)

Vick, B.D., Clark, R.N. 2002. Solar pv-water pumping with fixed and passive tracking panels. Solar Conference Proceedings. p.6.

Wind Energy Research at University and Federal Levels - (Abstract)

Clark, R.N. 2002. Wind energy research at university and federal levels. Meeting Abstract. Great Plains Foundation Symposium 2002. p. 18.