psap: Particle Soot Absorption Photometer

The particle soot absorption photometer collects aerosol particles on a substrate and measures the change in light transmission relative to a reference filter. Bulk particle absorption is derived after correcting for scattering effects.

The PSAP is part of the Aerosol Observing System (AOS).



  • Fixed
  • AMF1
  • AMF2
  • AMF3

Related Publications


Springston SR. 2018. Particle Soot Absorption Photometer (PSAP) Instrument Handbook. Ed. by Robert Stafford, ARM Climate Research Facility. DOE/SC-ARM-TR-176.


Sinha P, Y Kondo, M Koike, J Ogren, A Jefferson, T Barrett, R Sheesley, S Ohata, N Moteki, H Coe, D Liu, M Irwin, P Tunved, P Quinn, and Y Zhao. 2017. "Evaluation of ground-based black carbon measurements by filter-based photometers at two Arctic sites." Journal of Geophysical Research: Atmospheres, 122(6), 10.1002/2016JD025843.

Painemal D, J Chiu, P Minnis, C Yost, X Zhou, M Cadeddu, E Eloranta, E Lewis, R Ferrare, and P Kollias. 2017. "Aerosol and cloud microphysics covariability in the northeast Pacific boundary layer estimated with ship-based and satellite remote sensing observations." Journal of Geophysical Research: Atmospheres, 122(4), 10.1002/2016JD025771.


Kalesse H, G DeBoer, A Solomon, M Oue, M Ahlgrimm, D Zhang, M Shupe, E Luke, and A Protat. 2016. "Understanding Rapid Changes in Phase Partitioning between Cloud Liquid and Ice in Stratiform Mixed-Phase Clouds: An Arctic Case Study." Monthly Weather Review, 144(12), 10.1175/mwr-d-16-0155.1. ONLINE.


Aiken A, M Dubey, and S Liu. 2013. PASS3 Measurements from Two DOE ARM Aerosol Observing Systems (AOS): SGP and the Recent MAOS Deployments for PACE and TCAP. Presented at 4th Atmospheric System Research (ASR) Science Team Meeting. Potomac, MD.


Zaveri RA, WJ Shaw, DJ Cziczo, B Schmid, RA Ferrare, ML Alexander, M Alexandrov, RJ Alvarez, WP Arnott, DB Atkinson, S Baidar, RM Banta, JC Barnard, J Beranek, LK Berg, F Brechtel, WA Brewer, JF Cahill, B Cairns, CD Cappa, D Chand, S China, JM Comstock, MK Dubey, RC Easter, MH Erickson, JD Fast, C Floerchinger, BA Flowers, E Fortner, JS Gaffney, MK Gilles, K Gorkowski, WI Gustafson, M Gyawali, J Hair, RM Hardesty, RW Harworth, S Herndon, N Hiranuma, C Hostetler, JM Hubbe, JT Jayne, H Jeong, BT Jobson, EI Kassianov, LI Kleinman, C Kluzek, B Knighton, KR Kolesar, C Kuang, A Kubatova, AO Langford, A Laskin, N Laulainen, RD Marchbanks, C Mazzoleni, F Mei, RC Moffet, D Nelson, MD Obland, H Oetjen, TB Onasch, I Ortega, M Ottaviani, M Pekour, KA Prather, JG Radney, RR Rogers, SP Sandberg, A Sedlacek, CJ Senff, G Senum, A Setyan, JE Shilling, M Shrivastava, C Song, SR Springston, R Subramanian, K Suski, J Tomlinson, R Volkamer, HW Wallace, J Wang, AM Weickmann, DR Worsnop, XY Yu, A Zelenyuk, and Q Zhang. 2012. "Overview of the 2010 Carbonaceous Aerosols and Radiative Effects Study (CARES)." Atmospheric Chemistry and Physics, 12(16), 10.5194/acp-12-7647-2012.


Ferrare RA, DD Turner, M Clayton, B Schmid, J Redemann, D Covert, R Elleman, J Ogren, E Andrews, J Goldsmith, and H Jonsson. 2006. "Evaluation of daytime measurements of aerosols and water vapor made by an operational Raman lidar over the Southern Great Plains." Journal of Geophysical Research – Atmospheres, 111(D5), D05S08, 10.1029/2005jd005836.

Ghan S, TA Rissman, R Elleman, RA Ferrare, DD Turner, C Flynn, J Wang, J Ogren, J Hudson, H Jonsson, T VanReken, RC Flagan, and JH Seinfeld. 2006. "Use of in situ cloud condensation nuclei, extinction, and aerosol size distribution measurements to test a method for retrieving cloud condensation nuclei profiles from surface measurements." Journal of Geophysical Research – Atmospheres, 111(D5), D05S10, 10.1029/2004jd005752.

Arnott WP, JW Walker, H Moosmuller, RA Elleman, H Jonsson, G Buzorius, W Conant, RC Flagan, and JH Seinfeld. 2006. "Photoacoustic insight for aerosol light absorption aloft from meteorological aircraft and comparison with particle soot absorption photometer measurements: DOE Southern Great Plains climate research facility and the coastal stratocumulus imposed perturbation experiments." Journal of Geophysical Research – Atmospheres, 111(D5), 10.1029/2005jd005964.


Virkkula A, N Ahlquist, D Covert, W Arnott, P Sheridan, P Quinn, and D Coffman. 2005. "Modifcation, calibration and a field test of an instrument for measuring light absorption by particles." Aerosol Science and Technology, 39(1), 10.1080/027868290901963.

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