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Tytuł:
Measuring a University’s Environmental Impact through its Carbon Emissions
Autorzy:
Medina, Michael Arieh P.
Belcena, Kahea P.
Powiązania:
https://bibliotekanauki.pl/articles/1109503.pdf
Data publikacji:
2018
Wydawca:
Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
Tematy:
Campus Sustainability
Carbon Emissions
Philippine University
Opis:
To determine the environmental impact of Central Mindanao University, a carbon emissions inventory was conducted. Data from carbon emission sources, such as fuel use, agricultural production, electricity consumption, food purchases, and travel were gathered from various offices of the university. Consumption data were then processed and converted using carbon emission factors derived from previous literature and studies. Results revealed that the total annual carbon emissions of CMU based on the determined sources is 2,271.26 tCO2e. The primary carbon emission source is agricultural production - which comprises 61% of the total carbon emissions computed. The least source of carbon emission is food purchase - which is 0.3% of the total carbon emissions.
Źródło:
World News of Natural Sciences; 2018, 20; 78-84
2543-5426
Pojawia się w:
World News of Natural Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effectiveness of environmental policies on carbon emissions: A panel threshold analysis
Autorzy:
Akbulut, Hale
Powiązania:
https://bibliotekanauki.pl/articles/2131142.pdf
Data publikacji:
2022-10-07
Wydawca:
Uniwersytet Ekonomiczny w Poznaniu
Tematy:
carbon emissions
environmental policy stringency
threshold models
Opis:
The aim of this study is to test the possible non-linear effect of environmental policy stringency on carbon emissions and thus make policy recommendations for emission reduction. For this purpose data for the period 1995–2015 for selected emerging countries were used. According to the findings obtained from fixed-effects panel threshold regressions environmental policy stringency has no significant effect on the relationship between gross domestic product per capita and carbon dioxide emissions. However, it has statistically significant effect if the share of the service sector and the foreign direct investment are taken as regime-dependent variables. Accordingly, in the high policy stringency regime an increase in the share of the service sector and the foreign direct investment reduce emission levels. In the case of using market-based environmental regulations the threshold effect faced by foreign direct investment is much more pronounced. In order to reduce carbon emissions it is recommended to increase environmental policy stringency, especially in market-based tools.
Źródło:
Economics and Business Review; 2022, 8, 3; 82-108
2392-1641
Pojawia się w:
Economics and Business Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
An outline economic strategy for Indonesia to sustainably meet its electricity and carbon emissions targets
Autorzy:
Duckers, Les
Hasanah, Uswatun
Powiązania:
https://bibliotekanauki.pl/articles/14451244.pdf
Data publikacji:
2018-12-22
Wydawca:
Wyższa Szkoła Bankowa we Wrocławiu
Tematy:
Sustainable development
climate change
carbon emissions
renewable energy
Opis:
Aim:  In this paper we demonstrate an outline strategy for Indonesia to move its electrical generation from fossil fuels to renewable sources in order to reduce carbon dioxide emissions whilst avoiding excessive costs. The modelling here is based on assumed present fossil fuel generating plants. Design / Research methods:  We have modelled a representative electrical generation system based on burning coal, oil and gas, and by replacing retiring stations with photovoltaic cells and wind turbines we have considered the cost and carbon dioxide implications over a 30 year period. Additionally the modelling is extended to increasing the Indonesian installed electrical capacity. Conclusions / findings:  The results show that Indonesia could meet its carbon dioxide emission reduction targets in an economic way by a phased strategy of introducing renewable energy sources. These results are preliminary and will be refined in a future article where we will include the detail of actual existing power stations, with their capacity and anticipated end of life date. Originality / values of the article: There has been, and continues to be, a general resistance to the adoption of renewable energy. This paper shows  the economic benefit that accompanies carbon dioxide reduction thus presents a new aspect to the consideration of carbon reduction,  Implications of the research: Indonesia faces difficulties in providing electricity whilst meeting its climate change obligations. This research points to a viable economic strategy which may not only meet those obligations, but actually increase electrical provision across the country. Key words:  Sustainable development, climate change, carbon emissions, renewable energy   JEL: C51,L94,Q01,Q42   Doi:
Źródło:
Central European Review of Economics and Management; 2018, 2, 4; 39-54
2543-9472
Pojawia się w:
Central European Review of Economics and Management
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Upowszechnianie biopaliw w Polsce – skuteczność działań administracji publicznej
Popularisation of Biofuels in Poland – Effectiveness of Public Administration Activities
Autorzy:
Grzelak, Sławomir
Mianowska-Bednarz, Justyna
Powiązania:
https://bibliotekanauki.pl/articles/417103.pdf
Data publikacji:
2015-04
Wydawca:
Najwyższa Izba Kontroli
Tematy:
Biofuels
carbon dioxide emissions
bio-components
Opis:
At the time of raising environmental protection standards, the economic development makes it necessary to use energy coming from sources other than oil and gas. Biofuels are an alternative here. Thanks to biofuels, carbon dioxide emissions can be reduced in a natural way. The article attempts to present and assess the activities of the public administration undertaken to make biofuels derived from plants more popular in Poland. These activities have been examined during the audit on the use of biofuels and bio-components in transportation. The authors of the article, on the basis of the audit findings and literature related to the topic, present why the forecast results have not been achieved, and the role of performance auditing.
Źródło:
Kontrola Państwowa; 2015, 60, 2 (361); 48-63
0452-5027
Pojawia się w:
Kontrola Państwowa
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Future of electric cars in the EU
Autorzy:
Gis, W
Waśkiewicz, J
Powiązania:
https://bibliotekanauki.pl/articles/244969.pdf
Data publikacji:
2014
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
cars
transport
carbon dioxide emissions
alternative drives
Opis:
The article presents scenarios for the EU and national development of passenger electric and hybrid cars. The forecast for 2030 of the shares of such vehicles in the total number of new passenger cars sold in various categories in the EU, has been presented. The expected carbon dioxide emissions for this time horizon, in so-called, life cycle of cars in the EU and in Poland, in relation to conventionally powered passenger cars and electric and hybrid cars, have also been presented The results of surveys conducted by the Motor Transport Institute on the interest of residents of the Polish agglomerations in the acquisition and operation of the electric cars in the coming years have been d. Questions and answers referred to the socio - demographic structure of the respondents and their households, the number of classes of the cars owned, monthly household income and self-evaluation of the quality of the income management. Also, the questions were asked about the ownership and extent of use (frequency of use of a car owned and the average annual mileage) and the criteria for the current and future choices of passenger cars (e.g. price class, purpose). The questions also concerned the technical and economic knowledge of electric cars (such as the impact on the natural environment, operating costs), as well as willingness to incur possible costs associated with the purchase of an electric car. The focus was also placed on getting to know the vulnerability of the consumers to the influence of the actions of the propaganda, administrative and economic nature, which may affect the consumers’ decisions concerning the purchase of electric cars and learning about the reasons for any reluctance to use such vehicles.
Źródło:
Journal of KONES; 2014, 21, 2; 83-88
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Evaluation of carbon monoxide emissions of electric power generators used in buildings in Ibadan Metropolis, Nigeria
Autorzy:
WAHAB, Akeem Bolaji
Powiązania:
https://bibliotekanauki.pl/articles/435387.pdf
Data publikacji:
2019
Wydawca:
Uniwersytet Opolski
Tematy:
environment, electricity, buildings, generators, carbon monoxide emissions, impacts
Opis:
Abstract: Poor supply of electricity to different settlements over the years in Nigeria has forced building occupants to shift to dependence on generators. This study thus determined outdoor and indoor carbon monoxide levels of generators used in both residential and commercial buildings and assessed its impact on the users and the environment. The study was carried out in Ibadan Metropolis, Nigeria, which was divided into core, transition and suburban zone respectively. Five (5) residential and commercial buildings respectively were purposively selected in each of the zones of the study area. The HT- 1000 digital LCD carbon monoxide meter was used to take measurements of the emissions of carbon monoxide with conformity to NESREA AND OSHA standards. The outdoor emission levels of the carbon monoxide before or during the use of generators were taken at 0, 2 and 4 m respectively from the external walls of the buildings sampled and the corresponding indoor measurements were taken internally at 1.2-1.5m above floor area. The data collected were analysed with the use of statistical methods such as t-test, trend analysis and Kolmogorov smirnov test. The results showed that outdoor and indoor measurements of carbon monoxide emissions levels were highest in buildings in the core zone either before or during the use of generating sets. Reduced carbon monoxide levels during use of generators were obtained at distance limits beyond 2 m from external walls of buildings across zones of the study area. In view of the measurements taken, being above limits set by statutory bodies, during use of generators, and its attendant effects on the environment and building occupants, it was recommended that its users should be enforced to position them in enclosures located away from external walls of buildings and government should license only sales of generating sets with emission control mechanisms.
Źródło:
Economic and Environmental Studies; 2019, 19, 4 (52)
1642-2597
2081-8319
Pojawia się w:
Economic and Environmental Studies
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Paths to low-carbon development in China: The role of government environmental target constraints
Autorzy:
Bai, Tingting
Xu, Dong
Yang, Qianyi
Dudás Piroska, Vargáné
Dénes Dávid, Lóránt
Zhu, Kai
Powiązania:
https://bibliotekanauki.pl/articles/39830406.pdf
Data publikacji:
2023
Wydawca:
Instytut Badań Gospodarczych
Tematy:
government environmental target constraints
carbon emissions
energy consumption
industrial structure optimization
green technology innovation
Opis:
Research background: To achieve the targets for carbon peak and air quality improvement, local governments should propose environmental targets and develop realization paths that are tailored to their unique local conditions. They then promote low-carbon development through the implementation of multiple measures. Purpose of the article: As the government performance appraisal system im-proves, the question arises as to whether governments take the initiative to com-bine environmental policies with government target constraints to reduce carbon emissions. Methods: The announcement of environmental target constraints by local governments in government work reports is considered a quasi-natural experiment. This study examines the effect of government environmental target constraints (GETC) on carbon emissions (CEs) using differences-in-differences (DID), propensity score matching-DID (PSM-DID), and spatial-DID (SDID) with data from 241 Chinese cities from 2003 to 2019. Findings & value added: The results demonstrate that GETC can effectively reduce local CEs, with the inhibitory effect being most effective in the first two years after setting environmental targets, but diminishing in the third year. GETC can reduce local CEs through three paths: reducing energy consumption, promoting industrial structure optimization, and encouraging green technology innovation. Spatial spillover effects show that GETC reduces local CEs while exacerbating CEs in neighboring cities, indicating a beggar-thy-neighbor effect in conventional environmental regulation policy. This effect is observed mainly in the geographic matrix and the economic-geographic matrix, but not in the economic matrix. According to heterogeneity analysis, GETC in the eastern and central cities can significantly reduce CEs. The inhibitory effect of GETC on local CEs is stronger in cities where secretaries and mayors have longer tenures and higher levels of education. The paper's theoretical value lies in exploring the reduction of CEs through the combination of government self-restraint and environmental policies, providing a new solution for local governments to achieve CEs reduction. Furthermore, it offers practical insights into the improvement of the Chinese government assessment system.
Źródło:
Oeconomia Copernicana; 2023, 14, 4; 1139-1173
2083-1277
Pojawia się w:
Oeconomia Copernicana
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Transport carbon emissions reduction efficiency and economic growth: a perspective from nighttime lights remote sensing
Autorzy:
Yan, Yuxiang
Li, Jianing
Powiązania:
https://bibliotekanauki.pl/articles/27311799.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
transport
carbon emissions reduction
control of emissions
data envelopment analysis
nighttime lights
redukcja emisji dwutlenku węgla
światła nocne
teledetekcja
Opis:
The carbon emissions are essential for climate change and 26% of the world's carbon emissions are related to transport. But focusing only on fewer carbon emissions might be biased at times. In order to keep a balance between economic growth and carbon emissions reduction, this paper evaluated the performance of carbon control by considering the input factors and output factors together, which is more comprehensive and reliable. Firstly, this paper has calculated the transport carbon emissions reduction efficiency (TCERE) based on the model of super SBM with undesirable outputs. The input factors include capital stock, labor force and fossil energy consumption. And the output factors include gross domestic product and carbon dioxide emissions. Then the influencing factors of TCERE were analyzed using econometric models. The economic growth, transport structure, technology level and population density were posited as influencing factors. This paper creatively proposed the per capita nighttime lights brightness as a new indicator for economic growth. An empirical study was conducted in East China from 2013 to 2017, and this study has found that the relationship between TCERE and economic growth shows an U-shape. Besides, transport structure and technology level both show a positive impact on TCERE. The implications of our findings are that: (a) The TCERE declines slower in East China, giving us reason to believe that the improvement of TCERE is predictable; (b) When economic growth exceeds the turning point, economic growth is conducive to the improvement of TCERE. We could develop the economy boldly and confidently; (c) Increased investment in railway and waterway transportation infrastructure projects is needed to strengthen the structure of the railway and waterway transportation systems. Furthermore, the general public and businesses should be encouraged to prefer rail or river transportation; (d) Investment in scientific and technological innovation should be enhanced in order to produce more efficient energy-use methods.
Źródło:
Archives of Transport; 2023, 66, 2; 21--32
0866-9546
2300-8830
Pojawia się w:
Archives of Transport
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Security threats and risk management: European and Chinese responses to the climate disruption
Autorzy:
Krzysztof, Śliwiński,
Agata, Rakowska,
Powiązania:
https://bibliotekanauki.pl/articles/894614.pdf
Data publikacji:
2020-03-21
Wydawca:
Uniwersytet Warszawski. Wydawnictwa Uniwersytetu Warszawskiego
Tematy:
China
European Union
environment
security
carbon dioxide emissions
risk management
Opis:
Most academics and policy makers agree upon irreversible phenomena affecting planet Earth’s climate – we have finally faced a climate disruption. As triggered by humans, environmental degradation ultimately threatens not only the security but even the survival of individuals, communities, states and perhaps even the international system as a whole. This paper addresses differences with regards to risk assessment of climate disruption in Europe and in China. Its departure point is that the divergence between European and Chinese approaches is based on structural and institutional distinctions. Specifically, it tries to assess those distinctions (importance of sovereignty and non-interference) with regards to methods (assessment of vulnerability) and principles (transparency and inclusiveness) of risk assessment. Initial analysis leads to a tentative conclusion, which confirms the importance of political culture in national responses to security threats (be it traditional or non-traditional). In this respect EU-China strategic partnership is suggested as one of the possibly effective platforms for future cooperation.
Źródło:
Przegląd Europejski; 2015, 4 (38); 142-163
1641-2478
Pojawia się w:
Przegląd Europejski
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Electric vehicles pollution emission
Autorzy:
Król, E.
Powiązania:
https://bibliotekanauki.pl/articles/1367341.pdf
Data publikacji:
2016
Wydawca:
Sieć Badawcza Łukasiewicz - Instytut Napędów i Maszyn Elektrycznych Komel
Tematy:
samochody elektryczne
pojazdy elektryczne
emisja zanieczyszczeń
emisja dwutlenku węgla
electric cars
electric vehicle
emissions
carbon dioxide emissions
Opis:
The article describes the main sources of carbon dioxide and other pollutants produced by combustion of fuel in the Polish economy. It discusses the emissions of carbon dioxide and other pollutions harmful to human health. The pollutions released into the atmosphere by electric cars and vehicles with combustion engine. Compared declarations of combustion car manufacturers on emissions of carbon dioxide from real research and calculated carbon dioxide emissions for electric cars. Describes the advantages and disadvantages of electric vehicles, with a particular focus on impact on air pollution in centers of cities.
W artykule omówiono podstawowe źródła emisji CO2 oraz innych zanieczyszczeń powstających podczas spalania paliw wykorzystywanych w gospodarce polskiej. Omówiono emisję dwutlenku węgla oraz innych szkodliwych dla zdrowia ludzkiego zanieczyszczeń emitowanych do atmosfery przez samochody z napędem elektrycznym oraz samochodów z napędem spalinowym. Porównano deklaracje producentów samochodów spalinowych dotyczące emisji dwutlenku węgla z realnymi badaniami oraz wyliczono emisje dwutlenku węgla dla samochodów z napędem elektrycznym. Opisano zalety i wady pojazdów z napędem elektrycznym ze szczególnym uwzględnieniem ich wpływu na zanieczyszczeniem powietrza w centrach miast.
Źródło:
Maszyny Elektryczne: zeszyty problemowe; 2016, 3, 111; 211-216
0239-3646
2084-5618
Pojawia się w:
Maszyny Elektryczne: zeszyty problemowe
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wpływ sposobu rozpędzania samochodu ciężarowego na emisję dwutlenku węgla
The influence of the acceleration style of the truck on carbon dioxide emissions
Autorzy:
Merkisz, J.
Kozak, M.
Andrzejewski, M.
Powiązania:
https://bibliotekanauki.pl/articles/133415.pdf
Data publikacji:
2013
Wydawca:
Polskie Towarzystwo Naukowe Silników Spalinowych
Tematy:
samochód ciężarowy
rozpędzanie pojazdu
emisja dwutlenku węgla
heavy-duty vehicle
acceleration of vehicle
carbon dioxide emissions
Opis:
W artykule zaprezentowano wyniki pomiarów toksyczności spalin samochodu ciężarowego klasy średniej w warunkach rzeczywistej eksploatacji w zależności od sposobu jego rozpędzania. Na podstawie pozyskanych danych pomiarowych dokonano oceny rozpędzania pojazdu uwzględniając minimalną emisję dwutlenku węgla. Badaniom drogowym poddano dystrybucyjny samochód ciężarowy o dopuszczalnej masie całkowitej wynoszącej niespełna 12000 kg. Testy – rozpędzanie samochodu – wykonywano na krótkim odcinku jazdy, stosując różny styl osiągania założonej maksymalnej prędkości jazdy. Do pomiarów stężenia dwutlenku węgla w spalinach wykorzystano mobilną aparaturę do badań toksyczności spalin typu PEMS.
The paper presents the results of the investigations into the relation of the exhaust emissions of a heavy-duty vehicle under actual operating conditions and its acceleration. Based on the obtained measurement data an evaluation of the vehicle acceleration was performed taking into account the minimum emission of carbon dioxide. The on-road tests were carried out on a delivery truck of the gross vehicle weight approximating 12000 kg. The tests (vehicle acceleration) were performed on a short road portion applying different driving techniques to reach the desired maximum speed. For the measurements of the emission of carbon dioxide the authors used a portable exhaust emission analyzer (PEMS).
Źródło:
Combustion Engines; 2013, 52, 3; 453-458
2300-9896
2658-1442
Pojawia się w:
Combustion Engines
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Research on relationship between carbon dioxide emissions, imports, exports, and population in China
Autorzy:
Jin, Q.-Y.
Zhang, J.
Gao, Y.-Q.
Su, X.
Fu, Y.-S.
Powiązania:
https://bibliotekanauki.pl/articles/207318.pdf
Data publikacji:
2014
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
population statistics
carbon dioxide
global warming
carbon dioxide emissions
total carbon
statystyki ludności
dwutlenek węgla
globalne ocieplenie
emisja dwutlenku węgla
węgiel całkowity
Opis:
Empirical relationships between carbon dioxide emission, imports, exports, and population have been investigated. An empirical model with carbon dioxide emissions, structure and scale of import and exports, populations was built Using ridge regression analysis and observed data from 1985 to 2006 in China, we examined the relationship between each part of carbon dioxide emission and corresponding coefficients, including GIV (gross imports value), GXV (gross exports value), and P (populations). The results have shown that the increasing trend in TCOE (total carbon dioxide emissions) was determined by the exports, while its standard level is determined by population. Increasing the imports may reduce TCOE. Considering working to expand economy, the best ways for China to reduce TCOE are to introduce advanced technology and take actions to guarantee strict execution of cut-emission policy. Although the increasing imports also can reduce TCOE, it is not reasonable for the global cut-emission policy. To control population is not applicable as the immense population base, so government's publicity for low-carbon live is a necessary and feasible way to reduce carbon dioxide emission.
Źródło:
Environment Protection Engineering; 2014, 40, 2; 75-85
0324-8828
Pojawia się w:
Environment Protection Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ecological logistics: problems of formations of green supply chain
Logistyka ekologiczna: problemy z tworzeniem łańcuchów dostaw
Autorzy:
Chukurna, Оlena
Pylchenko, Alina
Dobrovolskyi, Vitalii
Powiązania:
https://bibliotekanauki.pl/articles/1818917.pdf
Data publikacji:
2019
Wydawca:
Wyższa Szkoła Techniczna w Katowicach
Tematy:
green logistics
ecological logistics
green supply chain
transport route
impact of carbon emissions
zielona logistyka
logistyka środowiskowa
zielony łańcuch dostaw
szlaki transportowe
wpływ emisji dwutlenku węgla
Opis:
The article discusses the key aspects of the concept of environmental logistics and its difference from "green logistics". lt is proposed to consider green logistics for the logistic distribution and distribution function. The problems of the formation of green supply chains in logistics are considered. The environmental factors of influence on the formation of logistics routes are a nalyzed using the example of calculating carbon dioxide emissions by different modes of transport. The ana lysis of statistical materiał on carbon dioxide emissions into the atmosphere is carried out on the example of a comparison between Ukraine and Hungary (EU). The factors influencing the formation of green supply chains are substantiated.
Artykuł omawia kluczowe aspekty koncepcji logistyki środowiskowej i jej różnicę od „zielonej logistyki". Proponuje się rozważenie zielonej logistyki dla funkcji logistycznej dystrybucji i dystrybucji. Uwzględniono problemy związane z tworzeniem zielonych łańcuchów dostaw w logistyce. Czynniki środowiskowe wpływające na tworzenie tras logistycznych są analizowane na przykładzie obliczania emisji dwutlenku węgla dla różnych środków transportu. Analiza materiału statystycznego dotyczącego emisji dwutlenku węgla do atmosfery jest przeprowadzana na przykładzie porównania między Ukrainą a Węgrami (UE). Czynniki wpływające na tworzenie zielonych łańcuchów dostaw są uzasadnione.
Źródło:
Zeszyty Naukowe Wyższej Szkoły Technicznej w Katowicach; 2019, 11; 103--118
2082-7016
2450-5552
Pojawia się w:
Zeszyty Naukowe Wyższej Szkoły Technicznej w Katowicach
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Application of glued laminated timber structures in office buildings
O zastosowaniu drewnianych konstrukcji klejonych w budynkach biurowych
Autorzy:
Janicki, Aleksander
Powiązania:
https://bibliotekanauki.pl/articles/2200381.pdf
Data publikacji:
2022
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
carbon dioxide emissions
sustainable construction
glued laminated timber
office building
emisja dwutlenku węgla
budownictwo zrównoważone
drewno klejone
budynek biurowy
Opis:
Due to the ongoing climate change, the issues currently in focus are the reduction of CO2 emissions into the atmosphere and sustainable construction. The search for ecological alternatives to traditional building structures that will reduce a building’s carbon footprint seems to be a desirable direction of modern construction development. At present, the first projects of office buildings that use cross-laminated timber as the main construction material are being completed, which can have a positive impact not only on the environment but also on the users of the building.
Zmniejszenie emisji CO2 do atmosfery oraz budownictwo zrównoważone są obecnie zagadnieniami kluczowymi ze względu na postępujące zmiany klimatyczne. Poszukiwanie ekologicznych alternatyw dla tradycyjnych konstrukcji budynków, dzięki którym ślad węglowy będzie mniejszy, wydaje się pożądanym kierunkiem rozwoju współczesnego budownictwa. Powstają obecnie pierwsze realizacje budynków biurowych wykorzystujące jako główny materiał konstrukcyjny drewno klejone. Mogą one wpływać korzystnie nie tylko na środowisko, ale również na użytkowników obiektu.
Źródło:
Teka Komisji Urbanistyki i Architektury Oddział PAN w Krakowie; 2022, 50; 295--309
0079-3450
2450-0038
Pojawia się w:
Teka Komisji Urbanistyki i Architektury Oddział PAN w Krakowie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Seasonal and diurnal variations of δ13C and concentration of atmospheric CO2 at Parma, Italy
Autorzy:
Longinelli, A.
Selmo, E.
Powiązania:
https://bibliotekanauki.pl/articles/2058957.pdf
Data publikacji:
2005
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
atmosphere
carbon dioxide
environment
anthropogenic emissions
carbon isotopes
Opis:
The δ13C of atmospheric CO2 from discrete air samples collected at the University campus, Parma, Italy, was measured at time intervals of about five days over a period of 18 months. Some day and night samples were measured along with three daily time series to evaluate the daily variations of δ13C values and CO2 concentrations. The following patterns were revealed: (1) the least negative δ13C values show a seasonal evolution with slightly more negativevalues during winter and less negative values during summer. Home heating systems probably contribute to this behaviour; (2) four samples collected in down town Parma show more negative values than those collected at the same time at the University campus, probably be cause of car engine pollution; (3) occasionally, quite negative δ13C values were obtained at the campus. The expansion of polluted air masses from down town to the suburban area may be responsible for these negative events; (4) one sample showed a δ13C of -17.67‰. The nearby fields had been extensively manured and the contribution from organic matter fermentation may explain the exceptionally negative result; (5) the diurnal changes in δ13C are relatively low from January to May; (6) in July and September the major daily changes take place in the late evening and in the early morning and are very fast. During the night the CO2 concentration in creases by no more than some 50-60%, this behaviour differing from observations by other authors in different areas; (7) the set of daily samples collected in August shows a different behaviour, clearly related to the heavy rain that lasted for several hours during the night.
Źródło:
Geological Quarterly; 2005, 49, 2; 127-134
1641-7291
Pojawia się w:
Geological Quarterly
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 53

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