{"id":19,"date":"2012-09-05T11:22:25","date_gmt":"2012-09-05T15:22:25","guid":{"rendered":"https:\/\/people.clas.ufl.edu\/template\/?page_id=19"},"modified":"2026-03-19T08:28:11","modified_gmt":"2026-03-19T12:28:11","slug":"publications","status":"publish","type":"page","link":"https:\/\/people.clas.ufl.edu\/rgthomas\/publications\/","title":{"rendered":"Publications"},"content":{"rendered":"\r\n
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Publications<\/h1>\n\n\n\n

Matthew J. Cohen, Marie J. Kurz, James B. Heffernan, Jonathan B. Martin, Rachel L. Douglass,\u00a0Chad R. Foster, Ray G. Thomas. (2013) Diel phosphorus variation and the stoichiometry of ecosystem metabolism in a large spring-fed river. Ecological Monographs<\/em> 83<\/strong>:2, 155-176<\/p>\n\n\n\n\n\n

Cohen, M.J., M.J. Kurz, J.B. Heffernan, J.B. Martin, R.L. Douglass, C.R. Foster and R.G. Thomas.\u00a0 June 3-8, 2012.\u00a0 Diel P Variation and the Stoichiometry of Ecosystem Metabolism in a Spring Fed River.\u00a0 INTECOL Meeting, Orlando, FL.<\/p>\n\n\n\n\n\n

Cohen, M.J., M.J. Kurz, J.B. Heffernan, J.B. Martin, R.L. Douglass, C.R. Foster and R.G. Thomas.\u00a0 May 20-24, 2012.\u00a0 Diel Phosphate Dynamics in a Spring-Fed River.\u00a0 Society of Freshwater Science, Louisville, KY.<\/p>\n\n\n\n\n\n

Heffernan, J.B., M.J. Cohen, T.K. Frazer, R.G. Thomas, T.J. Rayfield, J. Gulley, J.B. Martin, J.J.
\nDelfino, and W.D. Graham, “Hydrologic and biotic influences on nitrate removal in a subtropical spring-fed river”, Limnology and Oceanography, p. 249-263, vol. 55, (2010).<\/p>\n\n\n\n\n\n

Martin, J.B., Thomas, R.G., Hartl, K.M., 2005, An inexpensive, submersible, automatic water sampler, Limnology and Oceanography<\/em>, Methods<\/em>, 2: 398-405.<\/p>\n\n\n\n\n\n

Thomas, R.G., Guyodo, Y., Channell, J.E.T, 2003, \u201cU channel track for susceptibility measurements\u201d Geochemistry, Geophysics, Geosystems<\/em>, doi: 1O.1O29\/2002GCOO0454<\/p>\n\n\n\n\n\n

Guyodo, Y., Channell J.E.T., Thomas, R., 2002, \u201cDeconvolution of u-channel paleomagnetic data near geomagnetic reversals and short events.\u201d Geophys. Res. Letters<\/em>, 29,1845, doi:1O.1029\/2002GLO14963<\/p>\n\n\n\n\n\n

Thomas, R.G., Martin, J.B., Hartl, K., Patent #6,840,121 \u201cSelf-Powered Fluid Sampler\u201d issued on January 11, 2005<\/p>\n\n\n\n\n\n

Presentations and Posters:<\/strong><\/p>\n\n\n\n\n\n

American Water Resources Association (AWRA) 2008 Annual Conference, November 17-20, 2008, New Orleans, LA, \u201cHigh-frequency in-situ nitrate measurements using commercial sensors based on flow-injection analysis and UV spectroscopy technology\u201d, Travis Rayfield, Ray G. Thomas, Jason Gulley, J.J. Defino, Jonathan Martin, Matt Cohen, and Jim Heffernan<\/p>\n\n\n\n\n\n

The Consortium of Universities for the Advancement of Hydrologic Science (CUAHSI<\/em>) Biennial Colloquium on Hydrologic Science and Engineering, July 14-16, 2008, Boulder, Colorado, \u201cDesign and demonstration of a distributed sensor array for predicting water flow and nitrate flux in the Santa Fe River Watershed\u201d, W. Graham, M. Cohen, J. Delfino, C. Foster, J. Gulley, J. Heffernan, C. Krekeler, J. Martin, K. McKee, K. Nagarajan, T. Rayfield, C. Slatton, V. Srivastava, R. Thomas.<\/p>\n\n\n\n\n\n

The Consortium of Universities for the Advancement of Hydrologic Science (CUAHSI<\/em>) Biennial Colloquium on Hydrologic Science and Engineering, July 14-16, 2008, Boulder, Colorado, \u201cHydrogeologic and biotic controls of solute flux in a spring-fed karst river\u201d, James B. Heffernan, Matthew J. Cohen, Joseph Delfino, Ray G. Thomas, Wendy Graham, and Jonathan B. Martin.<\/p>\n\n\n\n\n\n

\u201cInterference of biogeochemical processes in lotic ecosystems from diel variations in nutrient concentrations\u201d, 2010 Fall Meeting, AGU, San Francisco, Calif., 13-17 Dec., J B Heffernan, M J Cohen, C R Foster, R G Thomas<\/p>\n\n\n\n\n\n

\u201cContinuous Ecosystem Stoichiometry (C:N:P) in a Large Spring-fed River Reveals Decoupled N and P Assimilatory Dynamics\u201d, 2010 Fall Meeting, AGU, San Francisco, Calif., 13-17 Dec., M J Cohen, R L Douglas, J B Martin, R G Thomas, J B Heffernan, C R Foster<\/p>\n\n\n\n\n\n

\u201cDissolved organic carbon interferences in UV nitrate measurements and possible mitigation methods\u201d, 2010 Fall Meeting, AGU, San Francisco, Calif., 13-17 Dec., R G Thomas, C R Foster, M J Cohen, J B Martin, J J Delfino<\/p>\n\n\n\r\n\t\t\t<\/div>\r\n\t\t<\/div>\r\n\t<\/div>\r\n<\/section>\r\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":11,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"featured_post":"","footnotes":"","_links_to":"","_links_to_target":""},"class_list":["post-19","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/people.clas.ufl.edu\/rgthomas\/wp-json\/wp\/v2\/pages\/19","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/people.clas.ufl.edu\/rgthomas\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/people.clas.ufl.edu\/rgthomas\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/people.clas.ufl.edu\/rgthomas\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/people.clas.ufl.edu\/rgthomas\/wp-json\/wp\/v2\/comments?post=19"}],"version-history":[{"count":6,"href":"https:\/\/people.clas.ufl.edu\/rgthomas\/wp-json\/wp\/v2\/pages\/19\/revisions"}],"predecessor-version":[{"id":186,"href":"https:\/\/people.clas.ufl.edu\/rgthomas\/wp-json\/wp\/v2\/pages\/19\/revisions\/186"}],"wp:attachment":[{"href":"https:\/\/people.clas.ufl.edu\/rgthomas\/wp-json\/wp\/v2\/media?parent=19"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}