ARCPACAerosol, Radiation, and Cloud Processes Affecting Arctic Climate (US NOAA)
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ARCPAC was an airborne campaign coordinated with POLARCAT; it was closely collocated with remote sensing and in situ observations from the ground site of Barrow, Alaska (now known as Utqiagvik).
(2011) used long-term ground-based measurements and the short-term aircraft observations provided by ARCPAC (in the western Arctic) to conclude that Arctic aerosol pollution has both chronic and episodic components.
During several low-altitude ARCPAC flights, a positive vertical gradient in BC mass was indeed observed in the vicinity of open leads, providing evidence for dry deposition of BC from low-altitude, well-aged air masses in the Arctic (Spackman et al.
(2011) calculated the radiative forcing from measurements made during ARCPAC in the springtime Alaskan Arctic.
During spring 2008, ARCPAC sampled enhanced concentrations of CO and PAN in aged Siberian fire plumes (Fig.
The ARCTAS and ARCPAC campaigns were the first airborne missions to use chemical ionization mass spectrometry (CIMS) to speciate inorganic bromine (Neuman et al.
The ARCPAC project was supported by NOAA Climate Change and Air Quality Programs.
Choi, S., and Coauthors, 2012: Analysis of satellite-derived Arctic tropospheric BrO columns in conjunction with aircraft measurements during ARCTAS and ARCPAC. Atmos.
A., and Coauthors, 2010: Source attribution and interannual variability of Arctic pollution in spring constrained by aircraft (ARCTAS, ARCPAC) and satellite (AIRS) observations of carbon monoxide.
473 000 139 724 Annual Meeting 717 260 717 260 ARCPACS 75 500 75 500 CCA Program 650 550 650 550 Agronomy News 181 698 96 718 Abstracts 46 000 24 486 Career Dev.
Crop diagnostic(s) courses should be taught by institutions of higher learning and even by professional certification organizations (i.e., ARCPACS).