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

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

The LSOS in Pictures - Clearing

Look East Look Northeast

Look North

The LSOS in Pictures – Dense Pine Canopy

The LSOS in Pictures – Open Pine Canopy

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

Sub-canopy Met in the Dense Pine

IOP1 through IOP2

Air TemperatureRelative Humidity

Wind SpeedWind Direction

Sub-canopy Radiometer Arrays

Open Pine Site

10 Eppley Pyranometers2 Eppley Pyrgeometers

Dense Pine Site

10 Eppley Pyranometers2 Eppley Pyrgeometers

Solar Variations Around an Individual Tree

IOP 1, 2002 – Tree WellIOP 2, 2002 – Canopy

Tree 21 on a Mostly Clear Day

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Exergen Thermocouples

Infrared CameraHypodermic Thermocouples

Kipp & Zonen Net Radiometer

Spatial and Temporal Thermal Variability

Dense PineOpen Pine Canopy Looking Up

Cloudy Day Clear Day

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Digital Infrared Camera, Infrared Solutions, Inc.John Pomeroy, University of Wales

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

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

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

University of Tokyo Met at Clearing Edge

IOP1 and IOP2 IOP3 and IOP4

Precipitation

University of Michigan Met in Open Pine

Nov. 2002 – June 2003IOP3 and IOP4

Air TemperatureRelative Humidity.

Snow & Soil TemperatureSoil MoistureSoil Heat Flux

Potential Applications for High Spatial Resolution Met Data at LSOS

Model Development and Validation

Scaling of Processes, Measurements and Models

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