DOE ARM Calibration / Validation Instrumentation Data essentially available in real-time –ARM (Atmospheric Radiation Measurement) –CART (Cloud And Radiation.

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Presentation transcript:

DOE ARM Calibration / Validation Instrumentation Data essentially available in real-time –ARM (Atmospheric Radiation Measurement) –CART (Cloud And Radiation Testbed) –SGP (Southern Great Plains)

Boundary Facilities Central Facility (Lamont)

ARM Validation Instrumentation At Central Facility Instrumentation –Profiling Instrumentation RS-90 Vaisala radiosondes –3-hourly launches (0230, 0530, 0830 UTC, …) Raman LIDAR –Water vapor mixing ratio (first gate at 100 m agl, 70 m resolution) –Relative humidity (with AERI temperature profile) –8 km at night, 3 km during day, to cloud base, 10 minute temporal AERI (Atmospheric Emitted Radiance Interferometer) –Temperature and moisture –3 km or to cloud base, 10 minute temporal –Passive instrument 915 MHz, 50 MHz profiler, and 404 MHz (NOAA) (with RASS)

ARM Validation Instrumentation –Integrated / Point observations GPS (Integrated PWV) Microwave radiometer (IPWV, liquid cloud water) In Situ measurements (60 m tower, surface obs) MMCR (cloud boundary) MPL (cloud base, thin cloud layers, high cirrus)

ARM Boundary Facilities (Vici, Purcell, Morris, Hillsboro KS) Instrumentation –Supplemental RS-90 Vaisala 3-hourly sondes –AERI (temperature and moisture to 3 km) –Microwave Radiometer (IPWV, maybe a profiling system) –Vaisala Ceilometer (cloud base) –Surface meteorological obs

WVIOP 2000 AATS-6 JPL MWR MWR RS-90 tower DataPlane Mailbox Vaisala ITA CSR CARL AERIBago SRL MPIDIAL HARLIE

PWV Time Series

5 Dec Example Comparison

Potential Comparison Methods Use CART Raman Lidar to validate aircraft WV profiles –Overflights of the Central Facility –Overpasses coincident with 3-hourly sonde launches Co-locate instruments at Central Facility –Coordinate through ARM web page ( –UAH mobile integrated profiling system –Goddard Raman Lidar

ARM Data Access Easy data access via ARM web page – –Freely available netcdf data files Final data sets available within ~one week