Studies on shielded snow gages

Submitted by Armida on Fri, 02/15/2013 - 16:50

Title	Studies on shielded snow gages
Publication Type	Conference Proceedings
Year of Conference	1949
Authors	Warnich, C. C.
Conference Name	17th Annual Western Snow Conference
Series Title	Proceedings of the 17th Annual Western Snow Conference
Date Published	April 1949
Publisher	Western Snow Conference
Conference Location	Denver, Colorado
Keywords	Research, Snow gages, Snow storm simulation
Abstract	Cooperative research was conducted by the University of Idaho, the Bureau of Reclamation, and other agencies to improve high altitude precipitation gages and their windshields. A smoke wind tunnel was built at the University of Idaho to study the action of wind around gages. A ventilating fan produced wind velocities of 20 Mi./hr. and smoke was generated by forcing dry air through a bottle of TiCl4 and combining the vapor with moist air. One-quarter scale models of Sacramento-type and Standpipe-type gages with and without shields were placed before the approach section to study the path of the airstream. Field studies were started September 1948 near Mullen Pass on the Idaho-Montana border. Two standpipe gages, two Sacramento storage gages and one Stevens-type Q12 recording winter-precipitation gage, equipped with various shields are being used. Results are as yet inconclusive.Discussion by J.C. Stevens.

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