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Local-Scale Observation Site (LSOS) MicroMet Measurements
February 2002 - IOP1
March 2002 - IOP2
February 2003 - IOP3
March 2003 - IOP4
Janet Hardy, ERDC-CRREL28 May 2003
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Co-Investigators
Danny Marks
Tim Link & Richard Essery
Aled Rowlands
John Pomeroy
Also… Geoff Koenig, Rae Melloh, and Jerry Ballard - ERDC
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LSOS Layout
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IOP3 and IOP4, 2003
Open area outline
GBMR-7 with view
FMCW radar
U. Mich. Radiometer Truck
CRREL Radiometer Arrays
U. Tokyo Met
JPL Trees
U. Tokyo Soil Probes
U. Mich. Met
U. Mich. Radar Truck
Sub-canopy Met Sites
Trees estimatedTrees measured
Snow Pit locations
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The LSOS in Pictures - Clearing
Look East Look Northeast
Look North
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The LSOS in Pictures – Dense Pine Canopy
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The LSOS in Pictures – Open Pine Canopy
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MicroMet 2002IOP 1 and IOP 2
•Sub-canopy energetics – Hardy, Koenig, Pomeroy, Marks & Link•Met tower in dense pine•Three radiometer arrays•Thermal imaging camera•Thermocouples in forests
•Met tower in clearing – Koike & Graf, U. of Tokyo
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Sub-canopy Met in the Dense Pine
IOP1 through IOP2
Air TemperatureRelative Humidity
Wind SpeedWind Direction
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Sub-canopy Radiometer Arrays
Open Pine Site
10 Eppley Pyranometers2 Eppley Pyrgeometers
Dense Pine Site
10 Eppley Pyranometers2 Eppley Pyrgeometers
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Solar Variations Around an Individual Tree
IOP 1, 2002 – Tree WellIOP 2, 2002 – Canopy
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Tree 21 on a Mostly Clear Day
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Exergen Thermocouples
Infrared CameraHypodermic Thermocouples
Kipp & Zonen Net Radiometer
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Spatial and Temporal Thermal Variability
Dense PineOpen Pine Canopy Looking Up
Cloudy Day Clear Day
VS.+4°C
-1°C -5°C
+16°C
Digital Infrared Camera, Infrared Solutions, Inc.John Pomeroy, University of Wales
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MicroMet 2003IOP 3 and IOP 4
•Sub-canopy energetics – Hardy, Koenig, Pomeroy, Link, & Marks
•Met towers – dense and open pine•Eddy Covariance System – dense pine only•Radiometer arrays – dense and open pine•Thermal imaging camera•Thermocouples in forests
•Met tower in clearing –University of Tokyo•Met tower in open pine – University of Michigan
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Sub-canopy Met in the Open Pine
IOP3 through Snowmelt
Air Temperature – 2 hts.Relative Humidity – 2 hts.3D Sonic Winds – 2 hts.
Snow DepthSnow & Soil Temperature
Soil Heat Flux
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Sub-canopy Met and Eddy Covariance in Dense Pine
IOP3 through snowmelt
Air Temperature – 2 hts.Relative Humidity – 2 hts.Wind speed & dir. – 2 hts.
Snow DepthSnow & Soil Temperature
Soil Heat Flux
Latent & Sensible Heat FluxCarbon Flux
CO2 ConcentrationsAir & Vapor Pressure
Net Radiation
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University of Tokyo Met at Clearing Edge
IOP1 and IOP2 IOP3 and IOP4
Precipitation
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University of Michigan Met in Open Pine
Nov. 2002 – June 2003IOP3 and IOP4
Air TemperatureRelative Humidity.
Snow & Soil TemperatureSoil MoistureSoil Heat Flux
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Potential Applications for High Spatial Resolution Met Data at LSOS
Model Development and Validation
Scaling of Processes, Measurements and Models
NESTED STUDY AREASNESTED STUDY AREASNESTED STUDY AREASNESTED STUDY AREAS