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Records 26 to 50 of 119 records from author John Lehrter

2016
Lehrter, J., B. Spiering, G. Gasser, AND J. Harcum. Water Quality Analysis Tool (WQAT). U.S. Environmental Protection Agency, Washington, DC, 2016.
2015
Lehrter, J., D. Ko, L. Lowe, B. Jarvis, AND C. Le. Application of the coastal generalized ecosystem model (CGEM) to assess the impacts of a potential future climate scenario on northern Gulf of Mexico hypoxia. 2015 Aquatic Sciences Meeting, Grenada, SPAIN, February 22 - 27, 2015.
Fry, B., D. Justic, P. Riekenberg, E. Swenson, R. Turner, L. Wang, L. Pride, N. Rabalais, J. Kurtz, J. Lehrter, M. Murrell, E. Shadwick, AND B. Boyd. Carbon Dynamics on the Louisiana Continental Shelf and Cross-Shelf Feeding of Hypoxia. Estuaries and Coasts. Estuarine Research Federation, Port Republic, MD, 38(3):703-721, (2015).
Grigas, D., J. Lehrter, J. Cebrian, Y. Chen, B. Ehmen, AND M. Woodrey. Effects of Stormwater Pipe Size and Rainfall on Sediment and Nutrients Delivered to a Coastal Bayou. WATER ENVIRONMENT RESEARCH. Water Environment Federation, Alexandria, VA, 87(9):796-804, (2015).
Devereux, R., J. Lehrter, D. Beddick, D. Yates, AND B. Jarvis. Manganese, Iron, and sulfur cycling in Louisiana continental shelf sediments. Continental Shelf Research. Elsevier BV, AMSTERDAM, Netherlands, 99:46-56, (2015).
Devereux, R., J. Lehrter, D. Beddick, J. James, B. Jarvis, K. Houghton, D. Yates, J. Aukamp, M. Hoglund, S. Friedman, AND F. Genthner. Microbial Communities in Sediments across the Louisiana Continental Shelf. American Society for Microbiology General Meeting, New Orleans, LA, May 30 - June 02, 2015.
Yu, L., K. Fennel, A. Laurent, M. Murrell, AND J. Lehrter. Numerical analysis of the primary processes controlling oxygen dynamics on the Louisiana shelf. Biogeosciences. Copernicus Publications, Katlenburg-Lindau, Germany, 12:2063-2076, (2015).
Lehrter, J. AND C. Le. Relating watershed nutrient loads to satellite derived estuarine water quality. AGU Fall Meeting, San Francisco, CA, December 14 - 18, 2015.
Le, C., J. Lehrter, C. Hu, B. Schaeffer, H. MacIntyre, Jim Hagy, AND D. Beddick. Relation between inherent optical properties and land use and land cover across Gulf Coast estuaries. LIMNOLOGY AND OCEANOGRAPHY. American Society of Limnology and Oceanography, Lawrence, KS, 60(3):920-933, (2015).
2014
Pauer, J., P. DePetro, A. Anstead, AND J. Lehrter. Application of a one-dimensional model to explore the drivers and lability of carbon in the northern Gulf of Mexico. ECOLOGICAL MODELLING. Elsevier Science BV, Amsterdam, Netherlands, 294:59-70, (2014).
Hagy, Jim, M. Murrell, J. Lehrter, AND C. Le. Combining Monitoring Data Spanning Multiple Temporal and Spatial Scales To Evaluate Water Quality Affecting Seagrass Habitat Extent in northwest Florida Estuaries. Presented at 9th Biennial National Water Quality Monitoring council Conference, Cincinnati, OH, April 28 - May 04, 2014.
Jarvis, B., Jim Hagy, J. Lehrter, M. Murrell, AND M. Beck. Diel-Cycling Hypoxia in Northern Gulf of Mexico Estuaries: Impacts and Protection of Aquatic Life. Presented at Mattie Kelly Environmental Symposium, Niceville, FL, October 10, 2014.
Barnes, B., C. Hu, J. Cannizzaro, S. Craig, P. Hallock, D. Jones, J. Lehrter, N. Melo, B. Schaeffer, AND R. Zepp. Estimation of diffuse attenuation of ultraviolet light in optically shallow Florida Keys waters from MODIS measurements. REMOTE SENSING OF ENVIRONMENT. Elsevier Science Ltd, New York, NY, 140:519-532, (2014).
Murrell, M., D. Beddick, R. Devereux, Rick Greene, Jim Hagy, B. Jarvis, Jan Kurtz, J. Lehrter, AND D. Yates. Gulf of Mexico Hypoxia Research Program Data Report 2002-2007. U.S. Environmental Protection Agency, Washington, DC, EPA/600/R-13/257, 2013.
Hill, B., C. Elonen, L. Anderson, AND J. Lehrter. Microbial respiration and extracellular enzyme activity in sediments from the Gulf of Mexico hypoxic zone. AQUATIC MICROBIAL ECOLOGY. Inter-Research, Luhe, Germany, 72:105-116, (2014).
LEHRTER, J. C., B. FRY, M. C. MURRELL, AND M. M. BAUSTIAN. Microphytobenthos production potential and contribution to bottom layer oxygen dynamics on the inner Louisiana continental shelf. BULLETIN OF MARINE SCIENCE 90(3):765-780, (2014).
Lehrter, J., D. Ko, L. Lowe, B. Jarvis, B. Herchenroder, L. Olszyk, B. Penta, C. Le, AND D. Beddick. Predicted effects of climate change on northern Gulf of Mexico hypoxia. Bays & Bayous Symposium 2014, Mobile, AL, December 02 - 04, 2014.
Le, C., J. Lehrter, C. Hu, M. Murrell, AND L. Qi. Spatiotemporal chlorophyll-a dynamics on the Louisiana continental shelf derived from a dual satellite imagery algorithm. JOURNAL OF GEOPHYSICAL RESEARCH: OCEANS. American Geophysical Union, Washington, DC, 119(11):7449-7462, (2014).
Jarvis, B., Jim Hagy, J. Lehrter, M. Murrell, D. Yates, AND D. Beddick. Temporal and Spatial Dynamics of Diel-Cycling Hypoxia in Four Northern Gulf of Mexico Estuaries. Bays and Bayous Symposium, Mobile, Al, December 02 - 03, 2014.
Lehrter, J., D. Ko, C. Le, R. Gould, AND R. Dennis. Use of Satellite Remote Sensing to Improve Coastal Hypoxia Prediction. 2nd Gregory G. Leptoukh Online Giovanni Workshop, Online, November 10 - 12, 2014.
Lehrter, J. What Should We Monitor? Indicators of Human Disturbance and Ecological Impact. Bays and Bayous Symposium, Mobile, AL, December 02 - 04, 2014.
2013
Murrell, M., J. Lehrter, Jim Hagy, J. Pauer, AND T. Feist. Carbon and oxygen dynamics on the Louisiana continental shelf: role of water column primary production and respiration. Presented at ASLO 2013 Aquatic Sciences Meeting, February 17 - 22, 2013.
Feist, T., J. Pauer, W. Melendez, P. DePetro, A. Anstead, AND J. Lehrter. Development, calibration, and sensitivity analyses of a high-resolution dissolved oxygen mass balance model for the northern Gulf of Mexico. Presented at Association for the Sciences of Limnology and Oceanography, February 17 - 22, 2013.
Genthner, F., D. Marcovich, AND J. Lehrter. Estimating rates of denitrification enzyme activity in wetland soils and direct simultaneous quantification of nitrogen and nitrous oxide by membrane inlet mass spectrometry. Journal of Microbial & Biochemical Technology . OMICS Publishing Group, LOS ANGELES , CA, 5(4):095-101, (2013).
Le, C., J. Lehrter, B. Schaeffer, C. Hu, H. MacIntyre, Jim Hagy, AND D. Beddick. Land-use/land-cover drives variation in the specific inherent optical properties of estuaries. Presented at AGU Fall Meeting, San Francisco, CA, December 08 - 13, 2013.