Faktorizācijas (PMF) metodes izmantošana atmosfēras aerosolu avotu kvalitatīvā un kvantitatīvā novērtēšanā Rīgā

6533b870fe1ef96bd12cf5c5

RESEARCH PRODUCT

Faktorizācijas (PMF) metodes izmantošana atmosfēras aerosolu avotu kvalitatīvā un kvantitatīvā novērtēšanā Rīgā

Aleksandra Kaniščeva

subject

aerosoli Vides zinātne PM faktorizācija gaisa piesārņojums avotu noteikšana

description

Darbā sniegts atmosfēras aerosolu raksturojums, aprakstīti to galveno emisiju avoti un veikts likumdošanas prasību apkopojums. Avotu noteikšanai veikta modelēšana ar faktorizācijas (PMF) metodes modeļiem EPA PMF 5.0 un SoFi Standard 8.0. Modelēšana veikta izmantojot 2019. gada nokrišņu kvalitātes analīžu rezultātus no LVĢMC gaisa kvalitātes novērojumu stacijas Rīgā, Kronvalda bulvārī 4. Veicot modelēšanu identificēti pieci aerosolu gaisa piesārņojuma avoti – jūras aerosoli, degšanas procesi, sekundārie sulfāti un erozijas un abrāzijas putekļi, kas iekļauj minerālos putekļus un ceļu putekļus. Rezultāti liecina par PMF modeļu limitētu pielietojuma potenciālu Rīgā esošas gaisa kvalitātes monitoringa programmas ietvaros.

year	journal	country	edition	language
2021-01-01

https://dspace.lu.lv/dspace/handle/7/54579

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