1. Estimation of atmospheric deposition utilizing lichen Hypogymnia physodes, moss Hypnum cupressiforme and soil in Bosnia and HerzegovinaS. Adžemović, S. Aliefendić, E. Mehić, A. Ranica, I. Vehab, N. Alagić, Š. Delibašić, K. Herceg, M. Karić, Katja Džepina, 2022, original scientific article Keywords: air pollution, biomonitoring, enrichment factors, heavy metals Published in RUNG: 11.04.2022; Views: 962; Downloads: 26
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2. New insight into the measurements of particle-bound metals in the urban and remote atmospheres of the Sarajevo canton and modeled impacts of particulate air pollution in Bosnia and HerzegovinaSabina Žero, Silva Žužul, Jasna Huremović, Gordana Pehnec, Ivan Bešlić, Jasmina Rinkovec, Ranka Godec, Noah Kittner, Griša Močnik, Katja Džepina, 2022, original scientific article Keywords: Sarajevo, BiH, aerosol, ETAAS, ICP-MS, BenMAP, ExternE, SAFICA Published in RUNG: 03.03.2022; Views: 1037; Downloads: 0 This document has many files! More... |
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4. Sarajevo Canton Winter Field Campaign 2018 (SAFICA) : aerosol source apportionment and oxidative potential in a global hotspotKatja Džepina, Griša Močnik, 2021, published scientific conference contribution abstract Abstract: Nowadays, urban centres in countries of the Western Balkan (e.g., Bosnia and Herzegovina, B&H) are experiencing some of the poorest air quality worldwide due to the extensive use of solid fuels and an old vehicle fleet. Western Balkan countries lack state-of-the-science atmospheric research despite high levels of ambient pollution, making the efforts to understand the mechanisms of their air pollution imperative. Sarajevo, the capital of B&H, is situated in a basin surrounded by mountains. During the winter months, topography and meteorology cause significant pollution episodes.
The Sarajevo Canton Winter Field Campaign 2018 (SAFICA) took place from Dec 04, 2017 to Mar 15, 2018 with online aerosol measurements and collection of daily, continuous filter PM10 samples for offline laboratory analyses. SAFICA aimed to give the first detailed characterization of the Western Balkans aerosol composition including organic aerosol (OA) to elucidate aerosol emission sources and atmospheric processing and to estimate the adverse health effects. PM10 samples (ntotal=180) were collected at four sites in the Sarajevo Canton: a) Bjelave and b) Pofalići (both urban background); c) Otoka (urban); d) Ivan Sedlo (remote). The urban sites were distributed along the city basin to study the pollutants’ urban evolution and the remote site was chosen to compare urban to background air masses.
SAFICA PM10 samples underwent the following offline laboratory chemical analyses: 1) Bulk chemical composition of the total filter-collected water-soluble inorganic and OA by a high-resolution Aerodyne Aerosol Mass Spectrometer (AMS). The measured AMS OA spectra were further analysed by Positive Matrix Factorization (PMF) using the graphical user interface SoFi (Source Finder) to separate OA into subtypes characteristic for OA sources and atmospheric processes. 2) Organic and elemental carbon, water-soluble organic carbon, polycyclic aromatic hydrocarbons (11), levoglucosan, organic acids (16) and 14C total carbon content to evaluate OA chemical composition. 3) Major inorganic anions and cations to evaluate aerosol inorganic species. 4) Aerosol metal content determined by three techniques (AAS, ICP-MS and EESI). 5) Aerosol oxidative potential (OP) by two methods (AA and DTT) to evaluate the ability of particles to generate adverse health effects causing reactive oxygen species. SAFICA online measurements of black carbon (Aethalometer) and the particle number conc. (CPC and OPS) enabled the insights into the daily evolution of primary pollutants and an assessment of aerosol size and number distribution.
The combined SAFICA results for field and lab measurements will be presented. Our results show that carbonaceous aerosols make ~2/3 of PM10 mass and the majority are oxygenated, water-soluble OA species with an average OM/OC = 1.9 (Fig.1). Absolute OP levels are very high compared to other sites globally. However, more work is needed to estimate the contributions of different aerosol sources and species to total aerosol OP. Urban air pollution crises in the Western Balkan will be put in the context of local, regional and global air quality. Finally, we will present the scientific questions opened by SAFICA and give suggestions for future studies. Keywords: Sarajevo, Bosnia and Herzegovina, urban air pollution, PM10, PM2.5 Published in RUNG: 03.09.2021; Views: 1422; Downloads: 46
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5. [Rasprava] : Okrugli stol održan 26. siječnja 2017. u palači Akademije u ZagrebuKatja Džepina, 2017, published scientific conference contribution Abstract: Temeljna namjera održavanja okruglog stola i objave ove knjige bila je da se pri obradi pravne zaštite zraka mora polaziti od struke koja je mjerodavna za pitanje očuvanja kvalitete zraka. Pravni pristup tom važnom području mora se na to nastaviti.
Pritom se moraju poštivati temeljna pravila odgovarajuće struke, zahtjevi koje ona postavlja i prijedlozi kako poboljšati trenutačno stanje. Rasprava je pokazala da je zadovoljavajući učinak moguć jedino ako primjenjujemo takav pristup. Zadatak je
pravnika pravno uobličiti ono što zahtijeva struka koja se bavi kvalitetom zraka. Takav je zahtjev postavljen i u raspravi. Keywords: Pravna zaštita zraka, Okrugli stol, Hrvatska Akademija znanosti i umjetnosti, Zagreb, Republika Hrvatska Published in RUNG: 14.06.2021; Views: 1519; Downloads: 0 This document has many files! More... |
6. SAFICA 2018: an example of collaboration with the Western Balkan : Slovenian e-seminar organized by Dr. Stojan Sorčan, our National Contact Point Pre-seminar to European Commission MSCA e-seminar “EU – Western Balkan” to be held Mar 24-25, 2021Katja Džepina, unpublished invited conference lecture Keywords: Dr. Stojan Sorčan, Ministrstvo za izobraževanje, znanost in šport Republike Slovenije, EU Horizon2020, Marie Skłodowska-Curie grant No 101028909, Sarajevo, Bosnia and Herzegovina, Western Balkan Published in RUNG: 13.06.2021; Views: 1569; Downloads: 0 This document has many files! More... |
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8. Analiza utjecaja zagađenja zraka na zdravlje ljudi u Bosni i Hercegovini : predavanje na 2. Studentskom kongresu okolišnog zdravlja s medjunarodnim sudjelovanjem, Rijeka, Hrvatska, 6. 6. 2018Katja Džepina, 2018, unpublished conference contribution Keywords: PM2.5, Ozone, Sarajevo, Tuzla, Zenica, Bosnia and Herzegovina, US EPA BenMAP, Cost-Benefit Analysis, Adverse health effects Published in RUNG: 29.05.2021; Views: 1715; Downloads: 0 This document has many files! More... |
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10. Utjecaj atmosferskih lebdećih čestica na ljudsko zdravljeKatja Džepina, 2018, published scientific conference contribution abstract (invited lecture) Abstract: Kvalitetu zraka u današnjem svijetu određuju ljudske aktivnosti iz kojih nastaje antropogeno zagađenje zraka. Utjecaj antropogenog zagađenja na kvalitetu zraka snažno se povećao od početka industrijske revolucije prije cc 150 godina. Na globalnom nivou, smanjenje kvalitete zraka u svijetu nakon pre-industrijskih vremena nepobitno uzrokuje zagrijavanje planeta Zemlje zbog ljudskih aktivnosti, kako je nedavno objavljeno i u izvještaju Međunarodnog panela za promjenu klime (eng. Intergovernmental Panel for Climate Change, IPCC). Ljudi posebno izloženi lošoj kvaliteti zraka su oni koji žive u područjima gdje standardi kvalitete zraka ne postoje ili se ne sprovode, poput ljudi koji žive pored izvora zagađenja ili u društvima koja se razvijaju.
Tijekom zime 2017. - 2018. u periodu kada se po dostupnim podacima događaju epizode najgore kvalitete zraka u Kantonu Sarajevo (4. decembar 2017. – 15. mart 2018.) u Kantonu Sarajevo odvila su se terenska mjerenja sastojaka atmosfere u sklopu kampanje SAFICA 2017-2018 (“Sarajevo Canton Winter Field Campaign 2017-2018“). SAFICA projekt vodili su Federalni hidrometeorološki zavod BiH, Zavoda za javno zdravstvo Kantona Sarajeva, Univerzitet u Sarajevu i Sveučilište u Rijeci, a mjerenja su se odvijala na tri urbane lokacije unutar grada Sarajeva (Otoka, Pofalići i Bjelave) i jednoj pozadinskoj (planinski prijevoj Ivan Sedlo).
U ovom predavanju, objasnit će se osnove antropogenog zagađenja zraka i njegovog globalnog utjecaja na kvalitetu zraka, i dati primjeri različitih kvaliteta zraka u modernim društvima kao i u onima koja se tek razvijaju. Posebna pažnja bit će posvećena atmosferskim lebdećim česticama i objasnit će se njihov nastanak i važnost parametara čestica poput atmosferske koncentracije, veličine i kemijskog sastava. Također, dat će se prikaz negativnog utjecaja čestica na ljudsko zdravlje i objasniti zašto su atmosferske koncentracije sitnih atmosferskih čestica linearno korelirane sa smrtnošću ljudi. Konačno, predstavit će se preliminarni rezultati mjerenja sastojaka atmosfere u kantonu Sarajevo tijekom SAFICA kampanje i usporedit sa rezultatima iz drugih svjetskih urbanih područja. Keywords: Atmosferske lebdeće čestice, Antropogeno zagađenje zraka, Sarajevo, Bosna i Hercegovina, SAFICA 2018 Published in RUNG: 27.05.2021; Views: 1682; Downloads: 0 This document has many files! More... |