Atmospheric Radiation Measurement Climate Research Facility US Department of Energy
Capabilities > Instruments > csphot

csphotzenrad

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Cimel Sunphotometer (CSPHOT): zenith radiance data (csphotzenrad)

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The Cimel sunphotometer (CSPHOT) is a multi-channel, automatic sun-and-sky scanning radiometer that measures the direct solar irradiance and sky radiance at the Earth s surface. It takes measurements at predetermined discrete wavelengths in the visible and near-infrared parts of the spectrum to determine atmospheric transmission and scattering properties. The CSPHOT only operates during daylight (sun above horizon).

Measurements

Location

Tropical Western Pacific
  • Latitude: -0.521
  • Longitude: 166.916
  • Publication Date: 2007-09-25
  • Start Date: 2007-09-25
  • End Date: 2013-09-15
  • Last Updated: 2020-10-01

Instrument Mentor

https://www.arm.gov/connect-with-arm/organization/instrument-mentors/list#csphot

Lynn Ma
Brookhaven National Laboratory
Laurie Gregory
Brookhaven National Laboratory
Richard Wagener
Brookhaven National Laboratory

DOI / Citation

http://dx.doi.org/10.5439/1510377
Atmospheric Radiation Measurement (ARM) user facility. 2007, updated hourly. Cimel Sunphotometer (CSPHOTZENRAD). 2007-09-25 to 2013-09-15, Tropical Western Pacific (TWP) Central Facility, Nauru Island (C2). Compiled by G. Gibler. ARM Data Center. Data set accessed at http://dx.doi.org/10.5439/1510377.