2009 Portland GSA Annual Meeting (18-21 October 2009)
Session No. 116 Monday, 19 October 2009
9:00 AM-6:00 PM, Oregon Convention Center: Hall A

T123. Diurnal Biogeochemical Processes in Rivers, Lakes, and Shallow Groundwater (Posters) (Geochemical Society; GSA Hydrogeology Division; GSA Geobiology & Geomicrobiology Division)

Authors will be present from 4 to 6 PM
 Paper #Booth #
116-1357A DIURNAL STUDY OF THE SEDIMENT BIOGEOCHEMISTRY OF WEEKS BAY DURING BOTTOM WATER HYPOXIC AND NORM-OXIC EVENTS: EZELL, John E., Geosciences, Mississippi State University, PO BOX 5448, Department of Geosciences, Mississippi State, MS 39762, jee41@msstate.edu and MCNEAL, Karen S., Department of Geoscience, Mississippi State University, P.O. Box 5448, Mississippi State, MS 39762
116-2358THE TWO-STAGE PARADIGM FAILS TO DESCRIBE DIURNAL EVAPORATIVE DRYING OF DESERT SOILS AND SEDIMENTS: STONESTROM, David A., US Geological Survey, 345 Middlefield Road MS-420, Menlo Park, CA 94025, dastones@usgs.gov, MAYERS, C. Justin, US Geological Survey, 2730 N Deer Run Rd, Carson City, NV 89701, ANDRASKI, Brian J., US Geological Survey, 2730 N Deer Run Rd, Carson City, NV 89701, and CONSTANTZ, Jim, US Geological Survey, 345 Middlefield Rd, Menlo Park, CA 94025
116-3359DIURNAL CHANGES IN SPECIATION OF TRACE ELEMENTS (CD, CU) IN THE SURFACE FRESHWATER REACHES OF THE GIRONDE ESTUARY (FRANCE): MASSON, Matthieu1, LANCELEUR, Laurent2, TERCIER-WAEBER, Mary-Lou3, SCH─FER, J÷rg2, HEZARD, Teddy3, LARROSE, AurÚlie2, BOSSY, CÚcile2, and BLANC, GÚrard2, (1) F.-A. Forel Insitut, University of Geneva, Sciences II, 30 quai E.-Ansermet, Geneva 4, 1211, Switzerland, matthieu.masson@unige.ch, (2) UMR CNRS 5805 EPOC, University of Bordeaux, avenue des FacultÚs, Talence, 33405, France, (3) CABE - Dept. of Inorganic, Analytical and Applied Chemistry, University of Geneva, Sciences II, 30 Quai E.-Ansermet, Geneva 4, 1211, Switzerland
116-4360MICROBIAL DIVERSITY, GEOCHEMISTRY AND DIEL FLUCTUATIONS IN TRAVERTINE MOUNDS AT TIERRA AMARILLA ANTICLINE, NEW MEXICO: CRON, Brandi1, CROSSEY, Laura J.1, KARLSTROM, Karl E.1, NORTHUP, Diana E.2, and TAKACS-VESBACH, Cristina3, (1) Earth and Planetary Sciences, University of New Mexico, Northrop Hall, Albuquerque, NM 87131, b1985@unm.edu, (2) Biology, University of New Mexico, MSC03-2020, 1 University of New Mexico, Albuquerque, NM 87131, (3) Biology, University of New Mexico, Castetter Hall, Albuquerque, NM 87131
116-5361DIEL CHANGES IN THE CONCENTRATION AND STABLE CARBON ISOTOPE COMPOSITION OF DISSOLVED INORGANIC AND ORGANIC CARBON IN TWO MONTANA, USA RIVERS: PARKER, Stephen R.1, SMITH, M. Garrett1, and POULSON, Simon2, (1) Chemistry and Geochemistry, Montana Tech of The University of Montana, 1300 West Park St, Butte, MT 59701, mgsmith@mtech.edu, (2) Geological Sciences and Engineering, University of Nevada-Reno, MS 172, Reno, NV 89557-0138
116-6362DIEL VARIATIONS IN PARTICULATE HG AND OTHER TRACE ELEMENTS IN A TEMPERATE WETLAND ADJACENT TO FARMINGTON BAY, GREAT SALT LAKE, UTAH: CARLING, Gregory T.1, JOHNSON, William P.1, and NAFTZ, David L.2, (1) Geology and Geophysics, University of Utah, 115 S. 1460 E. Rm 383, Salt Lake City, UT 84112, greg.carling@utah.edu, (2) USGS, Wyoming-Montana Water Science Center, 3162 Bozeman Ave, Helena, MT 59601

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