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2009 Portland GSA Annual Meeting (18-21 October 2009)

Session No. 116
Monday, 19 October 2009: 9:00 AM-6:00 PM
Hall A (Oregon Convention Center)

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 #
1
357
A 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 and MCNEAL, Karen S., Department of Geoscience, Mississippi State University, P.O. Box 5448, Mississippi State, MS 39762, jee41@msstate.edu, jee41@msstate.edu
2
358
THE TWO-STAGE PARADIGM FAILS TO DESCRIBE DIURNAL EVAPORATIVE DRYING OF DESERT SOILS AND SEDIMENTS
STONESTROM, David A.1, MAYERS, C. Justin2, ANDRASKI, Brian J.2 and CONSTANTZ, Jim3, (1)US Geological Survey, 345 Middlefield Road MS-420, Menlo Park, CA 94025, (2)US Geological Survey, 2730 N Deer Run Rd, Carson City, NV 89701, (3)US Geological Survey, 345 Middlefield Rd, Menlo Park, CA 94025, dastones@usgs.gov, dastones@usgs.gov
3
359
DIURNAL 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, SCHÄFER, Jörg4, HEZARD, Teddy3, LARROSE, Aurélie2, BOSSY, Cécile2 and BLANC, Gérard4, (1)F.-A. Forel Insitut, University of Geneva, Sciences II, 30 quai E.-Ansermet, Geneva 4, 1211, Switzerland, (2)UMR CNRS 5805 EPOC, University of Bordeaux, avenue des Facultés, 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, (4)Umr Cnrs 5805 EPOC, University of Bordeaux, avenue des Facultés, Talence, 33405, France, matthieu.masson@unige.ch, matthieu.masson@unige.ch
4
360
MICROBIAL 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, (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, b1985@unm.edu, b1985@unm.edu
5
361
DIEL 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, (2)Geological Sciences and Engineering, University of Nevada-Reno, MS 172, Reno, NV 89557-0138, mgsmith@mtech.edu, mgsmith@mtech.edu
6
362
DIEL 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, (2)USGS, Wyoming-Montana Water Science Center, 3162 Bozeman Ave, Helena, MT 59601, greg.carling@utah.edu, greg.carling@utah.edu
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