csphot: Cimel Sunphotometer

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).


  • Fixed
  • AMF1
  • AMF2
  • AMF3

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Yang W, A Marshak, and G Wen. 2019. "Cloud edge properties measured by the ARM shortwave spectrometer over ocean and land." Journal of Geophysical Research: Atmospheres, , doi: 10.1029/2019JD030622. ONLINE.
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Liu J and Z Li. 2019. "Aerosol properties and their influences on low warm clouds during the Two-Column Aerosol Project." Atmospheric Chemistry and Physics, 19(14), 10.5194/acp-19-9515-2019.


Kassianov E, J Monroe, L Riihimaki, C Flynn, E Cromwell, G Hodges, and A McComiskey. 2018. Climatology of aerosol optical depth at mid-continental US site: ground-based observations. In SPIE Remote Sensing, 2018, Berlin, Germany, .

Delgadillo R, K Voss, and P Zuidema. 2018. "Characteristics of Optically Thin Coastal Florida Cumuli Derived From Surface-Based Lidar Measurements." Journal of Geophysical Research: Atmospheres, 123(18), 10.1029/2018JD028867.

Sheesley RJ and CE Moffett. 2018. Characterizing Potential Radiative Forcing on the North Slope of Alaska Field Campaign Report. Ed. by Robert Stafford, ARM Climate Research Facility. DOE/SC-ARM-18-016.

Michelsen HA, RP Bambha, and BW LaFranchi. 2018. Arctic Methane, Carbon Aerosols, and Tracers Study Field Campaign Report. Ed. by Robert Stafford, ARM Climate Research Facility. DOE/SC-ARM-18-017.

Cristóbal J, J Jiménez-Muñoz, A Prakash, C Mattar, D Skoković, and J Sobrino. 2018. "An Improved Single-Channel Method to Retrieve Land Surface Temperature from the Landsat-8 Thermal Band." Remote Sensing, 10(3), 10.3390/rs10030431.

Wang W, W Gong, F Mao, and Z Pan. 2018. "Physical constraint method to determine optimal overlap factor of Raman lidar." Journal of Optics, 47(1), 10.1007/s12596-017-0427-9.


Chiu JC, Y Blanchard, P Hill, L Gregory, and R Wegener. 2017. DACCIWA Cloud-Aerosol Observations in West Africa Field Campaign Report. Ed. by Robert Stafford, ARM Climate Research Facility. DOE/SC-ARM-17-022.

Schwartz S, D Huang, and D Vladutescu. 2017. "High-resolution photography of clouds from the surface: Retrieval of optical depth of thin clouds down to centimeter scales." Journal of Geophysical Research: Atmospheres, 122(5), 10.1002/2016JD025384.
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