Physical Factors HJ ANDREWS EXPERIMENTAL FOREST

A S S E M B L I N G C O N T E X T U niversity of Oregon PHYSICAL FACTORS ARCH 4/584 Rigid Surface Structures Donofrio Breaking oftheMissoulaIceDam15,000yearsago Eastern Washington ValleyEastern andtheWillamette The MissoulaFloods GEOLOGICAL HISTORY left inthevalley- makingitsomeof themostfertilesoilin the world. drained there wasa 150-200ft.layeroffertilesoil When theWillamette Valleylumbia RiveranddepositeditintheWillamette The MissoulaFloodssweptdownnutrientsandsedimentfrom theCo -

A S S E M B L I N G C O N T E X T U niversity of Oregon PHYSICAL FACTORS ARCH 4/584 Rigid Surface Structures Donofrio OREGON GEOGRAPHY n

Oregon Cascades Willamette National Forest HJ Andrews Experimental Forest onofrio D ego r tructures O S of

urface S ty igid igid R

Willamette Valley ersi v ni RCH 4/584 A U

Annual

80”-150” FACTORS L PHYSICA A S S E M B L I N G C O N T E X T T E X A S E M B L I N G C O

HJ Andrews Experimental Forest Mack Creek Lookout Mountain OREGON GEOGRAPHY n

Major Oregon Volcanoes Visible from Lookout Mountain onofrio D ego r tructures O S of

urface S ty

Mt. Hood Mt. Jefferson igid R ersi v Mt. Hood ni RCH 4/584 A U

Mt. Jefferson Three Fingered Jack Mt. Washington HJ Andrews Mt. Washington Experimental Forest Three Sisters Three Fingered Jack Broken Top

Mt. Bachelor

Diamond Peak Newberry Volcanoe

Crater Lake

Mt. Mcloughlin North & Middle Sister South Sister FACTORS L

Mt. Bachelor

Diamond Peak PHYSICA A S S E M B L I N G C O N T E X T T E X A S E M B L I N G C O REGIONAL GEOLOGY n

Subduction Zone Causes Uplift Plate Melts, Magma Rises, Volcanoes are Formed onofrio D ego r tructures O S of

urface S ty igid igid R ersi v ni RCH 4/584 A U

Juan de Oregon Fuca Plate

Juan de Fuca Plate North American Plate FACTORS L PHYSICA A S S E M B L I N G C O N T E X T T E X A S E M B L I N G C O REGIONAL WEATHER PATTERNS n

Storm Cycles General Assumptions onofrio D ego r tructures O Storms spiral down from Alaska S of

urface S ty

N igid R NW NE ersi

W E v ni

SW SE RCH 4/584

Generally weather moves SW - NE A U S FACTORS L PHYSICA A S S E M B L I N G C O N T E X T T E X A S E M B L I N G C O A S S E M B L I N G C O N T E X T U niversity of Oregon PHYSICAL FACTORS ARCH 4/584 Rigid Surface Structures Donofrio summers. AVERAGE PHYSICALCONDITIONS Average Humidity* Recorded Over Last 20 Years Average Temperature Average Precipitation Recorded OverLast50Years Recorded OverLast50Years Average WindSpeed* Average Snowfall Recorded OverLast50Years Recorded OverLast50Years

A S S E M B L I N G C O N T E X T U niversity of Oregon PHYSICAL FACTORS ARCH 4/584 Rigid Surface Structures Donofrio feet inarea ormany thousandsofmiles.TheMapsbelowillustrate River. Andrews ExperimentalForrest. Theproperty lineoftheforest was HJ Andrews ExperimentalForest Watersheds The red portionofthemap high potentialforlandslides. Landslide Potential HJ Andrews websiteatthefallowinglink: A largeformatversionofthismapisavailablefordownloadonthe valley Tree Height

A S S E M B L I N G C O N T E X T U niversity of Oregon PHYSICAL FACTORS ARCH 4/584 Rigid Surface Structures Donofrio Topography MapofHJAndrews

A S S E M B L I N G C O N T E X T U niversity of Oregon PHYSICAL FACTORS ARCH 4/584 Rigid Surface Structures Donofrio Site Analysis M A C K

C R E E K L O O K O U T

M O U N T A I N Relationship ofSites Creek Mack Auditory Stimulous Auditory Sun Exposure Creek Mack Auditory Stimulous Auditory Creek Mack Auditory Stimulous Auditory Sun Exposure Moutain Lookout Sun Exposure Moutain Lookout Moutain Lookout Site Personaity Itroverted Mack CreekMack Damp Short Journey Short High High Vegetation Density Extroverted Lookout Mountain Dry Long Journey Itroverted Damp CreekMack Short Journey Short Lower Vegetation Density High High Vegetation Density Itroverted Mack CreekMack Damp Short Journey Short High High Vegetation Density Extroverted Lookout Mountain

A S S E M B L I N G C O N T E X T Dry U niversity of Oregon PHYSICAL Long Journey FACTORS ARCH 4/584 Rigid Surface Structures Donofrio Lower Vegetation Density Extroverted Lookout Mountain Dry Long Journey Lower Vegetation Density LOOKOUT MOUNTAIN Site Section Description ofPlace

A S S E M B L I N G C O N T E X T U niversity of Oregon PHYSICAL FACTORS ARCH 4/584 Rigid Surface Structures Donofrio MACK CREEK Site Section Description ofPlace -

A S S E M B L I N G C O N T E X T U niversity of Oregon PHYSICAL FACTORS ARCH 4/584 Rigid Surface Structures Donofrio