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Filtering by: Creator Warren, Jeffrey M. Commencement Year Unknown

Warren CD.zip

Creator:

Warren, Kristina

Abstract:

Tile drainage increases aeration in the root zone of poorly drained soils by accelerating water movement from the subsurface. Water movement is the main agent of chemical transport, either transporting soluble materials directly (e.g., nitrate) or by transporting the soil particles that bind adsorptive compounds (e.g., pesticides). The detection frequency...
Spot seeding : Ponderosa and Jeffrey pine

Creator:

Wagg, John William Bruce and Oregon Forest Lands Research Center

Resource Type:

Technical Report

Full Text:

4 ,,vtt: KUUM 2 Spot Seeding Ponderosa and Jeffrey
NET PROPHET : McCulloch and developments from his neural net model

Creator:

Oregon State University. Dept. of Computer Science and Cull, Paul, 1943-

Abstract:

"Fifty years after the pioneering work of McCulloch and Pitts, the study of neural nets is alive and active. In this paper, I have discussed some of the work that is of current interest to me and my co-workers. I would, perhaps, be remiss if I failed to mention some...

Resource Type:

Research Paper

Full Text:

Technical Report 96{20{1 1 Introduction Warren McCulloch died about 25 years ago. Almost 50 years ago, he
Warren E. Kronstad Honorary Symposium : February 18, 1999

Creator:

Karow, Russell S., Reed, Barbra, Kronstad, Warren E. (Warren Evrind), 1932-, and Warren E. Kronstad Honorary Symposium (1999 : Oregon State University)

Abstract:

Published June 2000. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog

Resource Type:

Technical Report

Full Text:

issue 7€ c 0 p Z Does not circulate Warren E. Kronstad Honorary Symposium February 18, 1999 OREGON

Safety factors for xylem failure by implosion and air-seeding within roots, trunks and branches of young and old conifer trees

Creator:

Domec, Jean-Christophe, Warren, Jeffrey M., Meinzer, Frederick C., and Lachenbruch, Barbara

Abstract:

The cohesion-tension theory of water transport states that hydrogen bonds hold water molecules together and that they are pulled through the xylem under tension. This tension could cause transport failure in at least two ways: collapse of the conduit walls (implosion), or rupture of the water column through air-seeding. The...

Resource Type:

Article

Full Text:

conifer treeS Jean-christophe domec1, *, Jeffrey m. warren2, frederick c. meinzer3 and barbara

Impacts of tree height on leaf hydraulic architecture and stomatal control in Douglas-fir

Creator:

Woodruff, David R., McCulloh, Katherine A., Warren, Jeffrey M., Meinzer, Frederick C., and Lachenbruch, Barbara

Abstract:

This study investigated the mechanisms involved in the regulation of stomatal closure in Douglas-fir and evaluated the potential impact of compensatory adjustments in response to increasing tree height upon these mechanisms. In the laboratory, we measured leaf hydraulic conductance (Kleaf) as leaf water potential (Yl) declined for comparison with in...

Resource Type:

Article

Full Text:

Douglas-fir DAVID R. WOODRUFP2, KATHERINE A. MCCULLOH23, JEFFREY M. WARREN', FREDERICK C. MEINZER1

Transactions of the Thirteenth Annual Re-union of the Oregon Pioneer Association for 1885

Creator:

Oregon Pioneer Association. Reunion

Abstract:

Gerald W. Williams Collection

Resource Type:

Book

Full Text:

ANNUAL ADDRESS BY HON. GEO. H. WILLIAMS, WITH OTHEI MATTERS OF INTEREST. SALEM, OREGON H. M. WAITE

Transactions of the Fifteenth Annual Re-union of the Oregon Pioneer Association for 1887

Creator:

Oregon Pioneer Association. Reunion

Abstract:

Gerald W. Williams Collection

Resource Type:

Book

Full Text:

delightful for both street parade and the indoor exercises. The foltowing officers were present: M. Wilkins

Maximum height in a conifer is associated with conflicting requirements for xylem design

Creator:

Domec, Jean-Christophe, Lachenbruch, Barbara, Meinzer, Frederick C., Woodruff, David R., Warren, Jeffrey M., and McCulloh, Katherine A.

Abstract:

Despite renewed interest in the nature of limitations on maximum tree height, the mechanisms governing ultimate and species-specific height limits are not yet understood, but likely involve water transport dynamics. Tall trees experience increased risk of xylem embolism from air-seeding because tension in their water column increases with height due...

Resource Type:

Article

Full Text:

-Christophe Domec*†, Barbara Lachenbruch‡†, Frederick C. Meinzer§†, David R. Woodruff§, Jeffrey M. Warren

Krause_Dissertation_2008.pdf

Creator:

Krause, Jeffrey W.

Abstract:

Diatoms are a ubiquitous group of plankton responsible for 20-40% of oceanic primary production, and a higher fraction of organic matter export to the ocean interior. Diatoms actively transport dissolved inorganic silicon into their cells, and through the process of silicification (i.e. biogenic silica production) they build tough and intricate...

Full Text:

DISSERTATION OF Jeffrey W. Krause for the degree of Doctor of Philosophy in Oceanography presented on

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This research has been supported in part by the National Science Foundation under Contract No. CCR-89-02496.1

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