SS34 Oral: Composition and Reactivity of DOC: Comparisons Across Freshwater and Marine Environments
 
Monday, Feb. 1   Location: Eldorado Zia A/B/C
 
02:00 - 02:30pm   CHEMICAL CHARACTERIZATION OF DISSOLVED ORGANIC MATTER IN LAKES, RIVERS, AND THE OCEAN
 
02:30 - 02:45pm   HIGH-ENERGY LASER FRAGMENTATION OF DISSOLVED ORGANIC MATTER: A NEW APPROACH FOR STUDYING CHEMICAL CHARACTERISTICS OF DISSOLVED ORGANIC MATTER.
 
02:45 - 03:00pm   USING FINESCALE, IN SITU OPTICAL MEASUREMENTS TO CHARACTERIZE DOM POOL SIGNATURES IN COASTAL WATERS
 
03:30 - 03:45pm   DIRECT QUANTIFICATION OF METAL-ORGANIC INTERACTIONS BY SIZE-EXCLUSION CHROMATOGRAPHY AND INDUCTIVELY COUPLED PLASMA MASS-SPECTROMETRY
 
03:45 - 04:00pm   COMPARATIVE ISOTOPIC, ELEMENTAL, AND MOLECULAR ANALYSES OF THE SEASONAL CHANGES IN THE DOM AND POM RESERVOIRS IN AN ANTHROPOGENICALLY INFLUENCED RIPARIAN WETLAND
 
04:00 - 04:15pm   RAPID MULTISPECTRAL IN SITU CHARACTERIZATION OF COLORED DISSOLVED ORGANIC MATTER
 
04:00 - 04:30pm   DOM SUBSIDIZES HETEROTROPHY IN AQAUTIC ECOSYSTEMS: MULTIPLE LINES OF EVIDENCE FROM FRESH- AND SALT WATERS.
 
04:45 - 05:00pm   BIOAVAILABILITY OF DISSOLVED ORGANIC MATTER IN THE YORK RIVER ESTUARY: AN ENZYMATIC AND STOICHIOMETRIC STUDY
 
 
Tuesday, Feb. 2   Location: Eldorado Zia A/B/C
 
08:30 - 08:45am   CYCLING AND REACTIVITY OF HIGH MOLECULAR WEIGHT DISSOLVED ORGANIC CARBON IN THE OCEAN
 
08:45 - 09:00am   VARIATIONS IN CONCENTRATIONS AND C:N RATIOS OF DISSOLVED AND PARTICULATE ORGANIC CARBON AND NITROGEN IN OREGON COASTAL AND OFFSHORE WATER
 
09:00 - 09:15am   AN ISOTOPIC APPROACH TO MONITORING THE PASSAGE OF CARBON THROUGH THE DOC POOL IN ANAEROBIC MARINE SEDIMENT
 
09:15 - 09:30am   UPTAKE OF DISSOLVED AND SEDIMENTARY ORGANIC CARBON IN AN ESTUARINE ENVIRONMENT
 
09:30 - 10:00am   DYNAMICS OF COLORED ORGANIC MATTER IN A COASTAL ESTUARY: CHANGES IN SPECTRAL AND PHOTOCHEMICAL PROPERTIES
 
10:30 - 10:45am   DOM FROM SELECTED PRAIRIE AQUATIC ECOSYSTEMS: A COMPARISON OF COMPOSITION AND REACTIVITY.
 
10:45 - 11:00am   DISSOLVED PROTEIN FLUORESCENCE IN TWO MAINE ESTUARIES
 
11:00 - 11:15am   FRACTIONATION PATTERNS INDICATE DISSOLVED ORGANIC MATTER CHARACTER IN CANADIAN INLAND WATERS
 
11:15 - 11:30am   STRUCTURAL COMPOSITION OF HIGH MOLECULAR WEIGHT DISSOLVED ORGANIC MATTER ALONG AN ESTUARINE GRADIENT: SOURCES AND IMPLICATIONS FOR DOM REACTIVITY
 
11:30 - 11:45am   CHROMOPHORIC DISSOLVED ORGANIC MATTER IN THE CHESAPEAKE BAY
 
11:45 - 12:00pm   MICROBIAL RESPIRATION WITHIN 3000-5000 YEAR-OLD PEAT IS DRIVEN BY RECENTLY FIXED SURFICIAL DOC ADVECTED AS DEEP AS THREE METERS INTO THE PEAT COLUMN
 
12:00 - 12:15pm   THE COMPOSITION AND REACTIVITY OF DISSOLVED ORGANIC MATTER (DOM) IN MARINE SEDIMENT PORE WATERS
 
12:15 - 12:30pm   MARINE DISSOLVED ORGANIC PHOSPHORUS: NEW INSIGHTS FROM NUCLEAR MAGNETIC RESONANCE
 
02:00 - 02:15pm   MAJOR FLUX OF TERRIGENOUS DISSOLVED ORGANIC MATTER THROUGH THE ARCTIC OCEAN
 
02:15 - 02:30pm   SOURCES, AGE, AND TRANSPORT OF TERRESTRIALLY-DERIVED COLLOIDAL ORGANIC MATTER IN THE CHESAPEAKE BAY AND MID-ATLANTIC BIGHT, USA
 
02:30 - 02:45pm   CHEMISTRY AND SOURCE OF DISSOLVED SACCHARIDES AND AMINO ACIDS IN MARITIME ANTARCTIC LAKES
 
02:45 - 03:00pm   FLUXES AND RATIOS OF DISSOLVED AND PARTICULATE ORGANIC C, N AND P IN THE EASTERN NORTH PACIFIC AND SOUTHERN OCEANS
 
03:30 - 03:45pm   CHARACTERIZATION AND BIOAVAILABILITY OF DISSOLVED ORGANIC NITROGEN IN TWO GEORGIA RIVERS
 
03:45 - 04:00pm   COPPER COMPLEXATION AND AQUATIC TOXICITY AS INFLUENCED BY AQUATIC NATURAL ORGANIC MATTER
 
04:00 - 04:15pm   MOLECULAR-LEVEL STABLE CARBON AND NITROGEN ISOTOPIC COMPOSITION OF AMINO ACIDS IN OCEANIC DISSOLVED ORGANIC MATTER
 
04:15 - 04:30pm   ESTIMATION OF NET METABOLISM IN THE YORK RIVER ESTUARY USING INORGANIC CARBON MEASUREMENTS
 
04:30 - 04:45pm   SPATIAL AND TEMPORAL PATTERNS IN DISSOLVED ORGANIC MATTER CHEMICAL COMPLEXITY ALONG A NATIVE DESERT TO URBAN STREAM GRADIENT: CAUSES AND CONSEQUENCES
 
04:45 - 05:00pm   MODELING OF SPONTANEOUS ASSEMBLY OF MARINE DISSOLVED POLYMERS INTO POLYMER MICROGELS
 

 SS34 Posters: Composition and Reactivity of DOC: Comparisons Across Freshwater and Marine Environments
 
Tuesday, Feb. 2   Location: Sweeney
 
#0768   PHOTOMINERALIZATION OF ORINOCO RIVER PLUME DOM: A LATITUDE-DEPENDENT EMPIRICAL MODEL FOR THE ASSESSMENT OF POTENTIAL AMMONIUM YIELD
 
#0490   FLUORESCENCE LIFETIMES OF SIZE-FRACTIONATED CDOM IN A SOUTH FLORIDA RIVERINE TO MARINE TRANSITION ZONE
 
#0045   COMPOSITIONAL CHARACTERISTICS OF RIVERINE ORGANIC MATTER ENTERING THE ARCTIC OCEAN
 
#0679   REACTIVITY AND SELECTIVITY OF XAD RESINS FOR THE EXTRACTION OF POLAR MARINE HUMIC SUBSTANCES
 
#0077   A RAPID METHOD FOR DETERMINING DISSOLVED ORGANIC CARBON IN MARINE SEDIMENT PORE WATER USING NANOLITER SAMPLE VOLUMES
 
#1642   14C AND 13C EVIDENCE FOR UTILIZATION OF TERRIGENOUS DOC IN ESTUARIES
 
#0282   TOTAL DISSOLVED NITROGEN ANALYSIS: COMPARISON BETWEEN THE PERSULFATE, UV, AND HIGH TEMPERATURE OXIDATION METHODS