NDLI: An Automated Fog Water Collector Suitable for Deposition Networks: Design, Operation and Field Tests

Content Provider	Springer Nature Link
Author	Fuzzi, Sandro Orsi, Giorda Bonforte, Giuseppe Zardini, Bru Franchini, Pier Luigi
Copyright Year	1997
Abstract	The study of fog water chemical composition and the contribution of fog droplets to totalchemical deposition has become a relevant environmental subject over the past few years. Thispaper describes a fog water collector suitable for deposition network operation, due to itscomplete automation and to the facility of remote acquisition of sampling information. Samplingof fog droplets on teflon strings is activated by an optical fog detector according to a particularprotocol operated by a microprocessor controller. Multiple sample collection, alsomicroprocessor controlled, is possible with this instrument. The problem of fog droplet samplingin sub-freezing conditions is overcome using a sampling schedule implemented by themicroprocessor controller which alternates between sampling periods and stand-by periods duringwhich melting of the rime collected on the strings is allowed. Field tests on the reliability andreproducibility of the sampling operations are presented in the paper. Side by side operation of thefog collector with a PVM-100 fog liquid water content meter shows that the amount of water perunit volume of air collected by the sampling instrument is proportional to the fog liquid watercontent averaged over the period of an entire fog event.
Starting Page	383
Ending Page	394
Page Count	12
File Format	PDF
ISSN	00496979
Journal	Water, Air, and Soil Pollution
Volume Number	93
Issue Number	1-4
e-ISSN	15732932
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	1997-01-01
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Hydrogeology Atmospheric Protection/Air Quality Control/Air Pollution
Content Type	Text
Resource Type	Article
Subject	Ecological Modeling Environmental Chemistry Pollution Environmental Engineering Water Science and Technology

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