Instruments : Graciosa Island, Azores, Portugal

Active instruments are currently deployed at fixed or mobile facilities or are available through the ARM Aerial Facility.

AERI
Atmospheric Emitted Radiance Interferometer
Radiometric

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AOS
Aerosol Observing System
Aerosols

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CCN
Cloud Condensation Nuclei Particle Counter
Aerosols

  
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CEIL
Vaisala Ceilometer
Cloud Properties

  
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CSPHOT
Cimel Sunphotometer
Aerosols, Radiometric

  
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ECOR
Eddy Correlation Flux Measurement System
Surface/Subsurface Properties

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GNDRAD
Ground Radiometers on Stand for Upwelling Radiation
Radiometric

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IRT
Infrared Thermometer
Radiometric

  
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MET
Surface Meteorological Instrumentation
Surface Meteorology

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MFRSR
Multifilter Rotating Shadowband Radiometer
Radiometric

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MPL
Micropulse Lidar
Cloud Properties

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MWR
Microwave Radiometer
Atmospheric Profiling, Cloud Properties, Radiometric

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MWRHF
Microwave Radiometer - High Frequency
Atmospheric Profiling, Cloud Properties, Radiometric

  
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MWRP
Microwave Radiometer Profiler
Atmospheric Profiling, Cloud Properties, Radiometric

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NFOV
Narrow Field of View Zenith Radiometer
Cloud Properties, Radiometric

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RWP
Radar Wind Profiler
Atmospheric Profiling

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SKYRAD
Sky Radiometers on Stand for Downwelling Radiation
Radiometric

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SONDE
Balloon-Borne Sounding System
Atmospheric Profiling

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SWACR
W-Band (95 GHz) ARM Cloud Radar, mounted to scan
Cloud Properties

  
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[ Single installation ]
TSI
Total Sky Imager
Cloud Properties

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TWRCAM
Tower Camera
Surface Meteorology

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WACR
W-Band (95 GHz) ARM Cloud Radar
Cloud Properties

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Retired instruments were deployed at one time at a fixed or mobile facility but are no longer being used. Historic data from these instruments are available; however, data are no longer being collected.