| 8 Jan |
Charles R. Bacon |
USGS,
Menlo Park |
Strontium isotopes in calcium carbonate otoliths measured by ion microprobe reveal salmon migration histories
|
| 15 Jan |
Grace Brush |
Johns Hopkins University |
The History of Land Use, Ecosystems and the Chesapeake Bay |
| 22 Jan |
Avner Vengosh |
Ben-Gurion University of the Negev, Israel |
The water crisis in the Middle East: Examples from on-going research on the Jordan River and Gaza Strip |
| 29 Jan |
Chris
Green |
USGS,
Menlo Park |
Effects of Heterogeneity on Reactive Transport in Geologic Media |
| 5 Feb |
Yousif
Kharaka |
USGS,
Menlo Park |
Environmental
Impacts of Petroleum Production: Results from the Osage Skiatook Petroleum
Environmental Research Sites, Oklahoma |
| 12 Feb |
Megan Young |
Stanford University |
Groundwater discharge in a tropical coastal lagoon: Using
radium isotopes to identify nutrient sources |
| 19 Feb |
Daniel Doctor |
USGS, Menlo Park |
Linking hydrology with chemistry: toward improving conceptual and analytical surface water models |
| 20 Feb |
Aria Amirbahman |
University of Maine |
Association of Methylmercury with Humic Substances |
| 26 Feb |
Allen Shapiro |
USGS, Reston VA |
2004 NGWA Darcy Distinguished Lecture
Recent Advances in Characterizing Ground Water Flow and Chemical Transport in Fractured Rock From Cores to Kilometers
mms://video.wr.usgs.gov/wrd/26feb2004.wmv |
| 3 Mar |
Michael Bank |
Department of Biological Sciences, University of Maine |
Effects of Watershed Heterogeneity on Mercury Bioaccumulation in Lotic Ecosystems |
| 4 Mar |
Jen Lewicki |
Lawrence Berkeley Laboratory |
Diffuse Degassing on the Flanks of Masaya Volcano, Nicaragua |
| 9 Mar |
Claudia Benitez- Nelson |
University of South Carolina |
Particulate Phosphorus cycling across and oxic/anoxic interface:implications for past, present and future changes in nutrient limitation |
| 17 Mar |
Luiz Martinelli |
Stanford University |
Use of stable isotopes in environmental studies in Brazil |
| 25 Mar |
Randall Hanson |
USGS, San Diego |
Ground water and surface water flow in the Santa Clara Valley
mms://video.wr.usgs.gov/wrd/25mar2004.wmv |
| 1 April |
Larry Brown |
USGS, Sacramento |
Mining Data in the San Francisco Estuary: New Insights into Nearshore Fish Assemblages of the Sacramento-San Joaquin Delta |
| 8 April |
Christopher Conaway |
UC Santa Cruz |
Investigation of air-water exchange of mercury in San Francisco Estuary |
| 15 April |
Michelle Walvoord |
USGS, Lakewood, CO |
Hydrologic and ecologic concepts unique to deep unsaturated zones in arid regions
mms://video.wr.usgs.gov/wrd/15apr2004.wmv |
| 20 April |
Robert Eganhouse |
USGS, Reston VA |
Unraveling the composition of weathered petroleum and other highly complex organic mixtures using comprehensive two-dimensional gas chromatography/time-of-flight mass spectrometry (GC x GC/TOFMS)
|
| 22 April |
Justin Ferris |
USGS, Denver CO |
The Paleohydrology of Mars: A Hydrologist’s Perspective |
| 29 April |
Jamie Workman |
private consultant |
The Coming Hydrocracy!? Trends in Water Management in Africa |
| 6 May |
Susan Hubbard |
Lawrence Berkeley National Laboratory |
Environmental Characterization and Monitoring
using Geophysical Data |
| 13 May |
Yehoshua Kolodny |
Hebrew University, Jerusalem, Israel |
Lake, Cave, Sea--re-examining the source impact on isotope geochemistry of Lake Lisan (Pleistocene precursor of the Dead Sea) |
| 20 May |
Barbara Bekins |
USGS, Menlo Park |
2004 GSA Birdsall-Dreiss Lecture
The Influence of Hydrogeology on 25 Years of Natural Attenuation at a Crude Oil Spill Site
mms://video.wr.usgs.gov/wrd/20may2004.wmv |
| 27 May |
Tori Hoehler |
NASA Ames Research Center |
Back-yard astrobiology: How North Carolina mud will aid in the search for
life in the solar system |
| 7 July |
Gary Weissmann |
Michigan State University |
Stratigraphic Development and Hydrostratigraphic Character of Fluvial Fans in the San Joaquin Basin, California |
| 16 Sept |
Jim Constantz and Hedeff Essaid |
USGS, Menlo Park |
Ground Water as the Foundation of Stream Restoration: Dam Removal as a Case Study
mms://video.wr.usgs.gov/wrd/16sep2004.wmv |
| 23 Sept |
Martha Conklin |
University of California, Merced |
Groundwater Inputs in the Upper Merced River Basin, California
|
| 27 Sept |
Aria Amirbahman |
University of Maine, Orono |
Oxidation of arsenic(III) by aquifer sediments from Cape Cod, Massachusetts
|
| 30 Sept |
Cary Lopez |
USGS, Menlo Park |
Assessing the Ecological Value of Shallow Water Habitat in the Sacramento-San Joaquin Delta |
| 1 Oct |
Joseph Needoba |
Monterey Bay Aquarium Research Institute, CA |
The Development of a Biogeochemical Sensor Network in a California Estuary
|
| 7 Oct |
Ana M. Laguna |
University of Córdoba, Spain |
Description of Water, Sediment, and Solute Transport in Soils with the Lattice Boltzmann Model |
| 14 Oct |
Jean Moran |
Lawrence Livermore National Laboratory |
Using Groundwater Age and Low-level VOCs to Assess Contamination Vulnerability in California's Public Drinking Water Wells
mms://video.wr.usgs.gov/wrd/14oct2004.wmv |
| 21 Oct |
Russ Flegal |
University of California, Santa Cruz |
Biogeochemical cycles of toxic metals: From Armenia to Antarctica
with brief stops in San Francisco Bay and the World Ocean |
| 27 Oct |
Celine Pallud |
Utrecht University, Netherlands |
Sulfate Reduction in Estuarine Sediments: A Kinetic Study Using a Flow-through Reactor Approach |
| 28 Oct |
Yit Arn Teh |
University of California, Berkeley |
Methane Cycling in Tropical Soils |
| 4 Nov |
John D. Coates |
University of California, Berkeley |
Microbial Perchlorate Reduction - Rocket Fueled Metabolism
mms://video.wr.usgs.gov/wrd/04nov2004.wmv |
| 17 Nov |
Bob Michel |
USGS Menlo Park |
Implications of isotopic data from a contaminant plume in Kingsford, Michigan |
| 2 Dec |
Ralph Cheng |
USGS Menlo Park |
Physics, Measurements, and Numerical Modeling - the Italian Connections
mms://video.wr.usgs.gov/wrd/02dec2004.wmv |
| 9 Dec |
Chad Saltikov |
UC Santa Cruz |
The Biology Behind Arsenic Geochemistry |
