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Dosya Adı: CALINE 4 (Ulaşım Projelerinin Çevresel Değerlendirmeleri İçin Model)
Dosyayı Paylaşan: dejavu
Eklenen Tarih : 13 Mar 2011
Dosyanın Bulunduğu Kategori: Hava Bölümü

CALINE4 programı ve kullanma klavuzu. Programa klavuzundan alınan genel bilgi aşağıdaki gibidir.

CALINE4 is a dispersion model that predicts carbon monoxide (CO)
impacts near roadways. Its purpose is to help planners protect public health from the adverse
effects of excessive CO exposure. The Caltrans publication, Transportation Project-Level
Carbon Monoxide Protocol (CO Protocol) (Garza et al., 1997), recommends the use of
CALINE4 when a proposed transportation project fails an initial screening analysis (described
in Appendix A of the CO Protocol), and therefore, requires a more detailed analysis.
CALINE4 is a simple line source Gaussian plume dispersion model. The user defines
the proposed roadway geometry, worst-case meteorological parameters, anticipated traffic
volumes, and receptor positions. The user must also define CO emission factors for each
roadway link. CO emission factors should be generated with the California Air Resources
Board’s EMFAC7f model or CT-EMFAC1, which was adapted from EMFAC7f by Caltrans to
be easier to use. (Note that CT-EMFAC modeling requires a similar level of user-effort as
CL4.)

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