Atlas ; Eau ; Etats-Unis ; Généralités sur la géographie ; Lac ; Oregon ; Oxygène ; Qualité de l'eau ; Réservoir ; Température
A survey and classification of 202 lakes and reservoirs in the northwestern state of Oregon. Water quality is the focus of the report. All lakes are listed alphabetically with tables of attributes, photographs, drawings, maps, and diagrams
of temperature and oxygen. A substantial introduction provided to Oregon's lakes and the atlas. (DOH).
Enseignement de la géographie ; Etats-Unis ; Oregon ; Pratique de la géographie ; Recherche ; Université
Geographical practice ; Oregon ; Research ; Teaching of geography ; United States ; University
Geography as a program at Oregon State University (Corvallis, USA) did not emerge until after World War II. Its teaching and research focus has been in applied geography, especially natural resource planning. Between 1970 and 1990, the department
Rural residential settlement in Douglas County, Oregon
Agriculture ; Contre-urbanisation ; Développement rural ; Espace rural ; Etats-Unis ; Oregon ; Paysage rural ; Peuplement ; Structure agraire ; Utilisation du sol
Agrarian structure ; Counterurbanization ; Farming;Agriculture ; Land use ; Oregon ; Rural area ; Rural development ; Rural landscape ; Settlement ; United States
Biogeography ; Desertification ; Historical geography ; Nineteenth Century ; Oregon ; Over-grazing ; Semi-arid area ; United States of America ; Vegetation ; Watershed
1850 ; CARTE THEMATIQUE ; CHEPTEL BOVIN ; ETATS-UNIS ; GEOGRAPHIE HISTORIQUE ; Généralités sur la géographie ; OREGON ; PEUPLEMENT ; POPULATION ; REGION PIONNIERE ; WILLAMETTE VALLEY
QUATRE CARTES EN 2 COULEURS SUR: LA POPULATION, LES FEUX COMPORTANT DES NATIFS DU TENNESSEE, LE CHEPTEL BOVIN ET LES TRAJETS DES AGENTS RECENSEURS. (WILLAMETTE VALLEY, OREGON). LE FONDS RECONSTITUE LE RELIEF ET LES PRAIRIES. DONNEES DE BASE TRAITEES
Etats-Unis ; Oregon ; Pratique de la géographie ; Programme de recherche ; Recherche ; Université
Oregon ; Practice of geography ; Research ; Research programme ; United States of America ; University
Growth of the geography program at this post World War II urban institution in Portland, Oregon. Its present success owes much to restructuring in order to adapt to changing situations in the university. - (DWG)
Rural residential landscapes of Douglas County, Oregon
Environnement résidentiel ; Espace rural ; Esthétique du paysage ; Etats-Unis ; Exurbanisation ; Localisation résidentielle ; Oregon ; Paysage rural ; Territorialité ; Urbanisation en milieu rural
Exurban settlement ; Landscape esthetics ; Oregon ; Residential environment ; Residential location ; Rural area ; Rural landscape ; Territoriality ; United States ; Urbanization of the countryside
Former city dwellers have moved to rural areas in many parts of the USA. In Douglas County, Oregon, diverse landscapes have resulted that range from purely functional and rejection of the aesthetic to those that reflect a rustic, picturesque
Geomorphic observations of rivers in the Oregon Coast Range from a regional reconnaissance perspective
Cours d'eau ; Etats-Unis ; Géomorphométrie ; Lithologie ; Mouvement vertical ; Oregon ; Profil longitudinal ; Tectonique
Geomorphometry ; Lithology ; Longitudinal section ; Oregon ; Stream ; Tectonics ; United States ; Vertical displacement;Vertical movement
This paper presents the results of examining some aspects of river morphometry in Western Oregon to better understand the geologically recent history of Pacific-plate subduction. Changes in long profile, gradient, gradient index, pseudo-hypsometric
C 14 dating ; Climatic variation ; Lateglacial ; Oregon ; Palaeo-environment ; Palynology ; Pollen diagram ; Quaternary ; United States of America
The AA. describe 2 detailed pollen records of the late-glacial period from western Oregon. They provide information on late-glacial variations in vegetation and climate and on the extent and character of Younger Dryas cooling in the Pacific
Coastal environment ; Dating ; Marine terrace ; Oregon ; Pedogenesis ; Quaternary ; Relative age ; Soil ; United States
The purposes of this paper are to describe soil development on marine terraces in two areas, Cape Blanco and Cape Arago, and to assess the utility of soils in relative dating and correlating marine terraces sequences in coastal Oregon.
C 14 dating ; Fluvial processes ; Fluvial terrace ; Oregon ; Quaternary ; Stratigraphy ; United States
The purpose of this paper is to describe the stratigraphy, distribution, and age of the fluvial sediments that underlie the youngest regionally extensive terrace along several rivers in the central Oregon Coast Range. The 14C age determinations