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Fall 2010 Seminar Series Schedule

Seminars are usually held on Tuesdays from noon to 1 pm. The seminars are informal and are open to the public. Bring your lunch. The USGS Oregon Water Science Center office is located in Portland at 2130 SW 5th Ave. Directions to the USGS office are posted here.

The USGS Portland Seminar Series has an online mailing list. If you would like to be notified of upcoming seminars via email, then you should sign up! The list also will be used to notify its members of seminar cancellations or other schedule changes.

Note: The following schedule is subject to change. Please check this page or call 503-251-3200 prior to attending a seminar. If you wish to post a copy of this schedule in your office, a PDF of the schedule can be downloaded from

September 21
Noon to 1 pm

Landscape Conservation Cooperatives

Stephen Zylstra

Regional Landscape Conservation Manager
US Fish and Wildlife Service
Pacific Region Office, Portland, OR
[abstract] [details on LCCs from USFWS] [general info on LCCs]

September 28
Noon to 1 pm

Heterogeneous Occupancy of Batrachochytrium dendrobatidis in Waters of North America

Tara Chestnut

Student Ecologist
USGS Oregon Water Science Center
Portland, OR
[professional page] [more info on chytrid fungus]

October 5
Noon to 1 pm

Impact of Groundwater Pumping vs. a Large Upstream Dam on Streamflows and Temperature Under Varying Climate

John Risley

Research Hydrologist
USGS Oregon Water Science Center
Portland, OR
[professional page] [research paper]

October 14
Noon to 1 pm

Nitrogen Dynamics and Hydrochemical Impacts of Rain-fed Agriculture:
Case of the Palouse

Kent Keller

Professor, School of Earth and Environmental Sciences
Washington State University, Pullman, WA
[professional page] [abstract] [relevant paper]

October 19
12:45 to 1:45 pm

From Buckets to Clouds: Building Better Environmental Models for Today's Decision-Making

Randy Hunt

Research Hydrologist
USGS Wisconsin Water Science Center
Middleton, WI
[abstract] [professional page]
["buckets" of parameters paper] [cloud computing paper]

October 26
Noon to 1 pm

Groundwater Resources of the Yakima River Basin

Matt Ely

USGS Washington Water Science Center
Tacoma, WA

November 2
Noon to 1 pm

Measuring Stream Metabolism with a Tracer:
Resazurin as a "Smart" Tracer for Metabolic Activity

Roy Haggerty

Professor, Department of Geosciences
Oregon State University
Corvallis, OR
[professional page]

November 9
Noon to 1 pm

Occurrence, Fate, and Effects of Current-Use Pesticides in the Aquatic Environment

Kathy Kuivila

Research Hydrologist
USGS California Water Science Center
Sacramento, CA
[abstract] [pesticide fate research program]

November 16
Noon to 1 pm

Basin-Wide Distributed Modeling of Hydrologic Responses to Irrigation Management in the Wood River Basin, Klamath County, OR

Joshua Owens

Master of Science student, Water Resources Engineering
Oregon State University, Corvallis, OR
[abstract] [masters thesis]

Week of
November 22

no seminar

November 30
Noon to 1 pm

Use of Continuous Monitors and Autosamplers to Predict Unmeasured Water-Quality Constituents in Tributaries of the Tualatin River

Chauncey Anderson

Hydrologist, USGS Oregon Water Science Center
Portland, OR
[professional page] [abstract/report]

December 7
Noon to 1 pm

Integration of Wellbore and Geophysical Data for Evaluation of Sequestration Potential in Continental Flood Basalts: The Big Sky Wallula Basalt Pilot

Charlotte Sullivan

Senior Research Scientist
Pacific Northwest National Laboratory
Richland, WA

December 15
Noon to 1 pm

The Role of Zooplankton Grazing on Noxious Cyanobacteria Blooms in Vancouver Lake, WA

Gretchen Rollwagen-Bollens

Clinical Associate Professor, School of Earth & Environmental Science
Washington State University, Vancouver, WA
[professional page] [abstract]


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