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Letteratura scientifica selezionata sul tema "Atmospheric carbon dioxide"

Autore: Grafiati

Pubblicato: 4 giugno 2021

Ultima modifica: 28 luglio 2024

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Articoli di riviste sul tema "Atmospheric carbon dioxide"

Smith, H. Jesse. "Controlling atmospheric carbon dioxide". Science 370, n. 6522 (10 dicembre 2020): 1286.13–1288. http://dx.doi.org/10.1126/science.370.6522.1286-m.

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Lal, R. "Sequestering Atmospheric Carbon Dioxide". Critical Reviews in Plant Sciences 28, n. 3 (3 aprile 2009): 90–96. http://dx.doi.org/10.1080/07352680902782711.

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Lockwood, John G. "Changing atmospheric carbon dioxide". Progress in Physical Geography: Earth and Environment 11, n. 4 (dicembre 1987): 581–89. http://dx.doi.org/10.1177/030913338701100406.

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Beatty, Thomas G., Luis Welbanks, Everett Schlawin, Taylor J. Bell, Michael R. Line, Matthew Murphy, Isaac Edelman et al. "Sulfur Dioxide and Other Molecular Species in the Atmosphere of the Sub-Neptune GJ 3470 b". Astrophysical Journal Letters 970, n. 1 (1 luglio 2024): L10. http://dx.doi.org/10.3847/2041-8213/ad55e9.

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Abstract We report observations of the atmospheric transmission spectrum of the sub-Neptune exoplanet GJ 3470 b taken using the Near-Infrared Camera on JWST. Combined with two archival Hubble Space Telescope/Wide-Field Camera 3 transit observations and 15 archival Spitzer transit observations, we detect water, methane, sulfur dioxide, and carbon dioxide in the atmosphere of GJ 3470 b, each with a significance of >3σ. GJ 3470 b is the lowest-mass—and coldest—exoplanet known to show a substantial sulfur dioxide feature in its spectrum, at M p = 11.2 M ⊕ and T eq = 600 K. This indicates that disequilibrium photochemistry drives sulfur dioxide production in exoplanet atmospheres over a wider range of masses and temperatures than has been reported or expected. The water, carbon dioxide, and sulfur dioxide abundances we measure indicate an atmospheric metallicity of approximately 100× solar. We see further evidence for disequilibrium chemistry in our inferred methane abundance, which is significantly lower than expected from equilibrium models consistent with our measured water and carbon dioxide abundances.

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Radmilović-Radjenović, Marija, Martin Sabo e Branislav Radjenović. "Transport Characteristics of the Electrification and Lightning of the Gas Mixture Representing the Atmospheres of the Solar System Planets". Atmosphere 12, n. 4 (29 marzo 2021): 438. http://dx.doi.org/10.3390/atmos12040438.

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Electrification represents a fundamental process in planetary atmospheres, widespread in the Solar System. The atmospheres of the terrestrial planets (Venus, Earth, and Mars) range from thin to thick are rich in heavier gases and gaseous compounds, such as carbon dioxide, nitrogen, oxygen, argon, sodium, sulfur dioxide, and carbon monoxide. The Jovian planets (Jupiter, Saturn, Uranus, and Neptune) have thick atmospheres mainly composed of hydrogen and helium involving. The electrical discharge processes occur in the planetary atmospheres leading to potential hazards due to arcing on landers and rovers. Lightning does not only affect the atmospheric chemical composition but also has been involved in the origin of life in the terrestrial atmosphere. This paper is dealing with the transport parameters and the breakdown voltage curves of the gas compositions representing atmospheres of the planets of the Solar System. Ionization coefficients, electron energy distribution functions, and the mean energy of the atmospheric gas mixtures have been calculated by BOLSIG+. Transport parameters of the carbon dioxide rich atmospheric compositions are similar but differ from those of the Earth’s atmosphere. Small differences between parameters of the Solar System’s outer planets can be explained by a small abundance of their constituent gases as compared to the abundance of hydrogen. Based on the fit of the reduced effective ionization coefficient, the breakdown voltage curves for atmospheric mixtures have been plotted. It was found that the breakdown voltage curves corresponding to the atmospheres of Solar System planets follow the standard scaling law. Results of calculations satisfactorily agree with the available data from the literature. The minimal and the maximal value of the voltage required to trigger electric breakdown is obtained for the Martian and Jupiter atmospheres, respectively.

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Matyukha, Volodymyr, e Olena Sukhina. "МЕТОДОЛОГІЯ ВИЗНАЧЕННЯ РОЗМІРУ ЕКОЛОГІЧНОГО ПОДАТКУ ЗА ВИКИДИ В АТМОСФЕРНЕ ПОВІТРЯ ДВООКИСУ ВУГЛЕЦЮ". Economical 2, n. 28 (2023): 4–14. http://dx.doi.org/10.31474/1680-0044-2023-2(28)-4-14.

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This article is devoted to current problems of environmental protection. Environmental taxes (payments) are the most effective tools that can be used to regulate relations between the state and polluters, as well as to stimulate polluting enterprises to ecologization their production. Objective. The purpose of the paper is to develop a methodological approach to determining the amount of the environmental tax for emissions of carbon dioxide into the atmosphere. Research methods. The purpose of the research is achieved with the help of general scientific methods (analysis of statistical data, synthesis, generalization) and special methods (collection of information, its processing, conducting analytical work, methods of calculations and justifications). The volumes of carbon dioxide emissions into the atmospheric air were analyzed. Among the methods of conducting analytical work, the comparison method was used - to compare the amount of the environmental tax determined by us for emissions of carbon dioxide into the atmosphere with similar environmental tax rates applied in the European Union. Obtained results. A methodological approach has been developed to determine the amount of the environmental tax for carbon dioxide emissions into the atmosphere. The amount of the environmental tax for carbon dioxide emissions into the atmospheric air is determined by the cost of forest ecosystem services for the absorption of carbon dioxide, the annual costs of enterprises for the ecologization of production, the volume of carbon dioxide emissions into the atmospheric air from stationary and mobile sources in Ukraine, the annual volume of carbon dioxide absorption by forest ecosystems from atmospheric air. Our research is complete and includes both an economic and an ecological component, which characterize the state of atmospheric air pollution with carbon dioxide. Using this methodology, we made calculations and obtained economically justified amounts of environmental tax. In terms of its economic significance, such an ecosystem payment is not a new tax and does not contradict the current legislation of Ukraine. Data for calculations are taken from the real economy in the environmental sphere. The amount of such an environmental tax, obtained on the basis of our methodology, correlates with the amounts of taxes for emissions of carbon dioxide into the atmospheric air, which are currently used in European countries. We received the economically justified amount of the appropriate environmental tax. It is thanks to real statistical data that our obtained indicators

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Tamás, András. "The effect of rising concentration of atmospheric carbone dioxide on crop production". Acta Agraria Debreceniensis, n. 67 (3 febbraio 2016): 81–84. http://dx.doi.org/10.34101/actaagrar/67/1758.

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In the atmosphere, the amount of carbon dioxide and other greenhouse gases are rising in gradually increasing pace since the Industrial Revolution. The rising concentration of atmospheric carbon dioxide (CO2) contributes to global warming, and the changes affect to both the precipitation and the evaporation quantity. Moreover, the concentration of carbon dioxide directly affects the productivity and physiology of plants. The effect of temperature changes on plants is still controversial, although studies have been widely conducted. The C4-type plants react better in this respect than the C3-type plants. However, the C3-type plants respond more richer for the increase of atmospheric carbon dioxide and climate change.

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Sarmiento, Jorge L., Corinne Le Quéré e Stephen W. Pacala. "Limiting future atmospheric carbon dioxide". Global Biogeochemical Cycles 9, n. 1 (marzo 1995): 121–37. http://dx.doi.org/10.1029/94gb01779.

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Smith, H. J. "Down with atmospheric carbon dioxide". Science 348, n. 6231 (9 aprile 2015): 196–98. http://dx.doi.org/10.1126/science.348.6231.196-l.

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Joos, F. "The Atmospheric Carbon Dioxide Perturbation". Europhysics News 27, n. 6 (1996): 213–18. http://dx.doi.org/10.1051/epn/19962706213.

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Tesi sul tema "Atmospheric carbon dioxide"

Barkley, Michael P. "Measuring atmospheric carbon dioxide from space". Thesis, University of Leicester, 2007. http://hdl.handle.net/2381/30591.

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Satellite measurements of atmosphere CO2 concentrations are a rapidly evolving area of scientific research which can help reduce the uncertainties in the global carbon cycle fluxes and identify regional surface sources and sinks. One of the emerging CO2 measurement techniques is a relatively new retrieval algorithm called Weighting Function Modified Differential Optical Absorption Spectroscopy (WFM-DOAS) (Buchwitz et al., 2000). This algorithm is designed to measure the total columns of CO2 (and other greenhouse gases) through the application to spectral measurements in the near infrared (NIR), made by the SCIAMACHY instrument on-board ESA's ENVISAT satellite. The WFM-DOAS technique is based on fitting the logarithm of a model reference spectrum and its derivatives to the logarithm of the ratio of a measured nadir radiance and solar irradiance spectrum. In this thesis, a detailed error assessment of this technique has been conducted and it has been found necessary to include suitable a priori information within the retrieval in order to minimize the errors on the retrieved CO2 columns. Hence, a more flexible implementation of the retrieval technique, called Full Spectral Initiation (FSI) WFM-DOAS, has been developed which generates a reference spectrum for each individual SCIAMACHY observation using the estimated properties of the atmosphere and surface at the time of the measurement.

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Haworth, Matthew. "Mesozoic atmospheric carbon dioxide concentrations from fossil plant cutucles". Thesis, University of Oxford, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.442779.

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Murphy, Paulette P. "The carbonate system in seawater : laboratory and field studies /". Thesis, Connect to this title online; UW restricted, 1996. http://hdl.handle.net/1773/8509.

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Cheng, Yufu. "Effects of manipulated atmospheric carbon dioxide concentrations on carbon dioxide and water vapor fluxes in Southern California chaparral /". For electronic version search Digital dissertations database. Restricted to UC campuses. Access is free to UC campus dissertations, 2003. http://uclibs.org/PID/11984.

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Thesis (Ph. D.)--University of California, Davis and San Diego State University, 2003.
Includes bibliographical references (leaves 95-101). Also available via the World Wide Web. (Restricted to UC campuses).

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DeLacy, Brendan G. Bandy A. R. "The determination of carbon dioxide flux in the atmosphere using atmospheric pressure ionization mass spectrometry and isotopic dilution /". Philadelphia, Pa. : Drexel University, 2006. http://dspace.library.drexel.edu/handle/1860%20/868.

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Sindhøj, Erik. "Elevated atmospheric CO₂ in a semi-natural grassland : root dynamics, decomposition and soil C balances /". Uppsala : Swedish Univ. of Agricultural Sciences (Sveriges lantbruksuniv.), 2001. http://epsilon.slu.se/avh/2001/91-576-5797-1.pdf.

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Kessler, Toby Jonathan 1974. "Calculating the global flux of carbon dioxide into groundwater". Thesis, Massachusetts Institute of Technology, 1999. http://hdl.handle.net/1721.1/54439.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Earth, Atmospheric, and Planetary Sciences, 1999.
Includes bibliographical references (leaves 85-90).
In this research, the global annual flux of inorganic carbon into groundwater was calculated to be 4.4 GtC/y, with a lower bound of 1.4 GtC/y and an upper bound of 27.5 GtC/y. Starting with 44 soil PCO2 measurements, the dissolved inorganic carbon (DIC) of the groundwater was determined by equilibrium equations for the carbonate system. The calculated DIC was then multiplied by the groundwater recharge to determine the annual carbon flux per area. These PCO2 estimates were assigned to specific bio-temperatures and precipitations according to the Holdridge life-zone classification system, and regressions between PCO2, biotemperature, and precipitation were used to provide estimates for regions of the world that lacked PCO2 measurements. The fluxes were mapped on a generalized Holdridge life-zone map, and the total flux for each life-zone was found by multiplying the calculated flux by the area in each life-zone. While there was a wide range in the error, the calculations in this study strongly suggest that the flux of carbon into groundwater is comparable to many of the major fluxes that have been tabulated for the carbon cycle. The large flux that was calculated in this study was due to the high PCO2 that is common in soils. The elevated PCO2 levels are due to the decomposition of organic matter in soils, and the absorption of oxygen by plant roots. After the groundwater enters into rivers, it is possible that large amounts of CO2 is released from the surface of rives, as the carbon-rich waters re-equilibrate with the low atmospheric PCO2-
by Toby Jonathan Kessler.
S.M.

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Kambis, Alexis Demitrios. "A numerical model of the global carbon cycle to predict atmospheric carbon dioxide concentrations". W&M ScholarWorks, 1995. https://scholarworks.wm.edu/etd/1539616709.

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A numerical model of the global carbon cycle is presented which includes the effects of anthropogenic &CO\sb2& emissions &(CO\sb2& produced from fossil fuel combustion, biomass burning, and deforestation) on the global carbon cycle. The model is validated against measured atmospheric &CO\sb2& concentrations. Future levels of atmospheric &CO\sb2& are then predicted for the following scenarios: (1) Business as Usual (BaU) for the period 1990-2000; (2) Same as (1), but with no biomass burning; (3) Same as (1), but with no fossil fuel combustion; (4) Same as (1), but with a doubled atmospheric &CO\sb2& concentration and a 2 K warmer surface temperature associated with the doubled atmospheric &CO\sb2& concentration. The global model presented here consists of four different modules which are fully coupled with respect to &CO\sb2.& These modules represent carbon cycling by the terrestrial biosphere and the ocean, anthropogenic &CO\sb2& emissions, and atmospheric transport of &CO\sb2.&. The prognostic variable of interest is the atmospheric &CO\sb2& concentration field. The &CO\sb2& concentration field depends on both the sources and sinks of &CO\sb2& as well as the atmospheric circulation. In addition, the sources and sinks vary significantly as a function of both time and geographic location. The model output agrees well with measured data at the equatorial and mid latitudes, but this agreement weakens at higher latitudes. This is due to the less adequate representation of the terrestrial ecosystem models at these latitudes. In the first scenario, the predicted concentration of atmospheric &CO\sb2& is 362 parts per million by volume (ppmv) at the end of the 10 year model run. This establishes a baseline for the next three scenarios, which predict that biomass burning will contribute 3 ppmv of &CO\sb2& to the atmosphere by the year 2000, while fossil fuel combustion will contribute 5 ppmv. The net effect of a 2 K average global warming was to increase the atmospheric &CO\sb2& concentration by approximately 1 ppmv, due to enhanced respiration by the terrestrial biosphere.

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Osterman, My. "Carbon dioxide in agricultural streams : Magnitude and patterns of an understudied atmospheric carbon source". Thesis, Uppsala universitet, Luft-, vatten och landskapslära, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-355402.

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The role of streams in the global carbon budget was for a long time neglected, since they were considered passive transporters of carbon from land to sea. However, studies have shown that streams are often supersaturated in carbon dioxide (CO2), making them sources of carbon to the atmosphere. The main sources of stream CO2 are in-stream mineralization of organic matter and transport of carbon from the catchment. The catchment derived CO2 could both be of biogenic (respiration) or geogenic (weathering) origin. Most studies regarding the topic rely on measurements carried out in forest-dominated catchments, while agricultural streams are under-represented. The objective of this study was to examine partial pressure of CO2 (pCO2) in streams in catchments dominated by agriculture. This was done to increase the knowledge about agricultural influence on stream pCO2, and to provide a basis for planning mitigation strategies for reducing CO2 emissions from the agriculture sector. Sampling was performed in ten streams draining agriculture-dominated catchments around Uppsala, Sweden, from June to November 2017. Measurements of pCO2 were carried out with floating chambers, equipped with CO2 sensors. Nutrients, organic carbon, discharge and different chemical variables were also measured. For correlation tests, the method Kendall’s Tau was used. Catchments were delineated in a geographic information system (GIS) and the CORINE Land Cover dataset was used to examine land use. Stream specific median pCO2 varied from 3000 to 10 000 μatm. In some streams, pCO2 exceeded 10 000 μatm, which was outside of the sensor’s measurement range. Values of pCO2 were high compared to similar studies in forested catchments, which could indicate that occurrence of agriculture in the catchment increases stream CO2. Correlation was found between pCO2 and discharge, with negative correlation in five streams and positive correlation in two. Negative correlation was found between pCO2 and pH and percentage of dissolved oxygen, respectively. No significant correlation was found between pCO2 and fraction of agricultural land use, nutrients or organic carbon. Further studies are needed to examine the sources of CO2, since it is possible that a large part of the CO2 has a geogenic origin. The floating chamber method should be revised to reduce the sensor’s sensitivity to condensation and cold temperatures, and to increase the measuring range.

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Collins, Sinead. "Microalgal adaptation to changes in carbon dioxide". Thesis, McGill University, 2005. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=100340.

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It is generally accepted that global levels of CO2 will roughly double over the next century. Because of their large population sizes and fast generation times, microalgae may adapt to global change through novel mutations fixed by natural selection, such that future populations may be genetically different from contemporary ones. The prediction that microalgae may respond evolutionarily to rising CO2 was tested using populations of Chlamydomonas reinhardtii grown for 1000 generations at increasing CO2. Laboratory populations grown at high CO2 did not show a direct response to selection at elevated CO2, instead evolving a range of non-adaptive syndromes. In addition, populations selected at elevated CO2 often grew poorly at ambient CO2. The same evolutionary responses were seen in natural populations isolated from CO2 springs. CO2 uptake was measured in a subset of the laboratory selection lines, which were found to have cells that either leaked CO2, had lost the ability to induce high-affinity CO 2 uptake, or both. These phenotypes were tentatively attributed to the accumulation of conditionally neutral mutations in genes involved in the carbon concentrating mechanism (CCM). The high-CO2-selected phenotypes were found to be reversible in terms of fitness when populations were backselected in air, though wild-type regulation of the CCM was not regained. It has been suggested that phytoplankton adaptation to changes in CO2 levels is constrained by selective history. This was tested by culturing genetically distinct populations of Chlamydomonas at decreasing levels of CO2. In this case, divergence between lines was attributable to chance rather than selective history.

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Libri sul tema "Atmospheric carbon dioxide"

R, Trabalka John, e United States. Dept. of Energy. Office of Basic Energy Sciences. Carbon Dioxide Research Division., a cura di. Atmospheric carbon dioxide and the global carbon cycle. Washington, D.C: U.S. Dept. of Energy, Office of Energy Research, Office of Basic Energy Sciences, Carbon Dioxide Research Division, 1985.

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United States. Department of Energy. Office of Basic Energy Sciences. Carbon Dioxide Research Division, a cura di. Atmospheric carbon dioxide and the global carbon cycle. Washington, D.C: U.S. Dept. of Energy, Office of Energy Research, Office of Basic Energy Sciences, Carbon Dioxide Research Division, 1986.

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Carbon Dioxide Information Analysis Center (U.S.), a cura di. Glossary: Carbon dioxide and climate. Oak Ridge, Tenn: Oak Ridge National Laboratory, 1990.

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W, Koch George, e Mooney Harold A, a cura di. Carbon dioxide and terrestrial ecosystems. San Diego: Academic Press, 1996.

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Yiqi, Luo, e Mooney Harold A, a cura di. Carbon dioxide and environmental stress. San Diego, CA: Academic Press, 1999.

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Christian, Körner, e Bazzaz F. A, a cura di. Carbon dioxide, populations, and communities. San Diego: Academic Press, 1996.

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United States. Dept. of Energy. Office of Basic Energy Sciences., a cura di. Atmospheric carbon dioxide and the greenhouse effect. Washington, D.C: The Department, 1989.

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Reklaw, Jesse. World health, carbon dioxide & the weather. Santa Cruz, Calif: Robin Rose Pub., 1993.

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Duarte, Pedro. Oceans and the Atmospheric Carbon Content. Dordrecht: Springer Science+Business Media B.V., 2011.

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Matsueda, Hidekazu. Kishōchō oyobi Kishō Kenkyūjo ni okeru nisanka tanso no chōki kansoku ni shiyōsareta hyōjun gasu no sukēru to sono anteisei no saihyōka ni kansuru chōsa kenkyū: Re-evaluation for scale and stability of CO₂ standard gases used as long-term observations at the Japan Meteorological Agency and the Meteorological Research Institute. Ibaraki-ken Tsukuba-shi: Kishō Kenkyūjo, 2004.

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Capitoli di libri sul tema "Atmospheric carbon dioxide"

Lin, Hua. "Changes in Atmospheric Carbon Dioxide". In Global Environmental Change, 61–67. Dordrecht: Springer Netherlands, 2014. http://dx.doi.org/10.1007/978-94-007-5784-4_48.

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Hashimoto, Koji. "Global Temperature and Atmospheric Carbon Dioxide Concentration". In Global Carbon Dioxide Recycling, 5–17. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-8584-1_3.

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Houghton, R. A. "Tropical Deforestation and Atmospheric Carbon Dioxide". In Tropical Forests and Climate, 99–118. Dordrecht: Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-017-3608-4_10.

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Ranjan, Manju Rawat, Pallavi Bhardwaj e Ashutosh Tripathi. "Microbial Sequestration of Atmospheric Carbon Dioxide". In Soil Biology, 199–216. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-76863-8_10.

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Schulz, Kai G., e Damien T. Maher. "Atmospheric Carbon Dioxide and Changing Ocean Chemistry". In Springer Textbooks in Earth Sciences, Geography and Environment, 247–59. Cham: Springer Nature Switzerland, 2023. http://dx.doi.org/10.1007/978-3-031-10127-4_11.

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Abstract“They call it life, we call it pollution” is an infamous quote which ignores many facts about why carbon dioxide (CO2) poses a significant problem for the ocean. But before we get to this, let’s start at the beginning. All organisms on Earth require a particular set of elements for growth. In the case of plants, these elements are needed to synthesise organic matter in a process called primary production via photosynthesis, and in the case of animals, these elements are directly assimilated by either consuming plant material or by preying on other animals. In this respect, one of the key elements is carbon. Being the molecular backbone for a number of vital organic compounds such as sugars, proteins and nucleic acids (containing genetic information), carbon can be considered as the building block of life.

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Agrawal, M., e S. S. Deepak. "Elevated Atmospheric Carbon Dioxide and Plant Responses". In Environmental Stress: Indication, Mitigation and Eco-conservation, 89–102. Dordrecht: Springer Netherlands, 2000. http://dx.doi.org/10.1007/978-94-015-9532-2_8.

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Uprety, D. C., A. P. Mitra, S. C. Garg, B. Kimball e D. Lawlor. "Rising Atmospheric Carbon Dioxide and Crop Responses". In Plant Breeding, 749–58. Dordrecht: Springer Netherlands, 2004. http://dx.doi.org/10.1007/978-94-007-1040-5_31.

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Shackleton, N. J., e N. G. Pisias. "Atmospheric Carbon Dioxide, Orbital Forcing, and Climate". In The Carbon Cycle and Atmospheric CO2 : Natural Variations Archean to Present, 303–17. Washington, D. C.: American Geophysical Union, 2013. http://dx.doi.org/10.1029/gm032p0303.

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Labetski, Dzmitry G., J. Hrubý e M. E. H. van Dongen. "n-Nonane Nucleation in the Presence of Carbon Dioxide". In Nucleation and Atmospheric Aerosols, 78–82. Dordrecht: Springer Netherlands, 2007. http://dx.doi.org/10.1007/978-1-4020-6475-3_15.

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Sundquist, Eric T. "Geological Perspectives on Carbon Dioxide and the Carbon Cycle". In The Carbon Cycle and Atmospheric CO2: Natural Variations Archean to Present, 55–59. Washington, D. C.: American Geophysical Union, 2013. http://dx.doi.org/10.1029/gm032p0005.

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Atti di convegni sul tema "Atmospheric carbon dioxide"

Christensen, A. J., Greg Shirah, Helen-Nicole Kostis, Anansa B. Keaton-Ashanti, Mark Subbarao, Brenda Lopez-Silva e Lesley Ott. "Atmospheric Carbon Dioxide Tagged by Source". In SIGGRAPH '24: ACM SIGGRAPH 2024 Electronic Theater. New York, NY, USA: ACM, 2024. http://dx.doi.org/10.1145/3641230.3653486.

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Solodov, A. A., T. M. Petrova, Yu N. Ponomarev, A. M. Solodov, I. A. Vasilenko e V. M. Deichuli. "Investigation of interaction of carbon dioxide with aerogel's nanopores". In XXI International Symposium Atmospheric and Ocean Optics. Atmospheric Physics, a cura di Oleg A. Romanovskii. SPIE, 2015. http://dx.doi.org/10.1117/12.2205561.

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Petrova, T. M., Yu N. Ponomarev, A. A. Solodov, A. M. Solodov e V. M. Deichuli. "Line broadening of carbon dioxide confined in nanoporous aerogel". In XXII International Symposium Atmospheric and Ocean Optics. Atmospheric Physics, a cura di Gennadii G. Matvienko e Oleg A. Romanovskii. SPIE, 2016. http://dx.doi.org/10.1117/12.2249464.

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Golovko, Vladimir F. "Line shape narrowing in carbon dioxide at high pressures". In Eighth Joint International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, a cura di Gelii A. Zherebtsov, Gennadii G. Matvienko, Viktor A. Banakh e Vladimir V. Koshelev. SPIE, 2002. http://dx.doi.org/10.1117/12.458445.

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Rob, Mohammad A., e Larry H. Mack. "Absorption Spectra of Propylene at Carbon Dioxide (CO2) Laser Wavelengths". In Laser Applications to Chemical Analysis. Washington, D.C.: Optica Publishing Group, 1994. http://dx.doi.org/10.1364/laca.1994.tub.7.

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Laser remote sensing techniques for detecting trace level atmospheric pollutants have made rapid advances in the past several years.1,2 Molecular CO2 lasers play an important role in atmospheric pollution monitoring, because its emission spectrum in the 9-11 μn range falls within the largest atmospheric window and which overlap with the absorption spectra of a large number of molecules of environmental concern.2 The primary pollutants that are emitted to the atmosphere by natural and anthropogenic processes are, hydrocarbons (HC), carbon oxides (CO, CO2), nitric oxides (NO, NO2), ammonia (NH3), sulfur dioxide (SO2), and etc.3 The primary pollutants also go through complex chemical reactions among themselves or with the natural atmospheric constituents, to form a variety of secondary pollutants.2,3 An understanding of the atmospheric chemical processes requires fast detection of primary and secondary pollutants while they reside in the atmosphere. Laser remote sensing techniques are suitable for the detection of these pollutants.

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Sukhanov, Alexander. "Possibility estimation of determining carbon dioxide sources by airborne lidar". In 28th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, a cura di Oleg A. Romanovskii e Gennadii G. Matvienko. SPIE, 2022. http://dx.doi.org/10.1117/12.2643920.

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Kachelmyer, A. L., R. E. Knowlden e W. E. Keicher. "Atmospheric Distortion of Wideband Carbon Dioxide Laser Waveforms". In Coherent Laser Radar. Washington, D.C.: Optica Publishing Group, 1987. http://dx.doi.org/10.1364/clr.1987.wc3.

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The performance of wideband carbon dioxide laser waveforms is severely reduced by absorption and anomalous dispersion caused by atmospheric carbon dioxide. This paper deals with modeling and analyzing these atmospheric distortion effects. The latest version of the Air Force Geophysics Laboratory (AFGL) FASCODE program is used to perform some CO2 laser line atmospheric transmittance calculations. Data from these transmittance calculations are then used to develop a two-way path model of the amplitude and phase distortion for a given transmit/receive path. The matched filter response to wideband signals is used to illustrate the net effect of this atmospheric absorption and dispersion. Results are presented which include the effect of relative motion (Doppler shift) between the transmitter and the receiver.

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Stephen, Mark, James Abshire, Jeffrey Chen, Kenji Numata, Stewart Wu, Brayler Gonzales, Michael Rodriguez et al. "Laser-based Remote Sensing of Atmospheric Carbon Dioxide". In Optical Sensors. Washington, D.C.: OSA, 2019. http://dx.doi.org/10.1364/sensors.2019.stu4a.2.

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Predoi-Cross, Adriana, Amr Ibrahim, Alice Wismath, Philippe M. Teillet, V. Malathy Devi, D. Chris Benner, Brant Billinghurst, Adriana Predoi-Cross e Brant E. Billinghurst. "Carbon Dioxide Line Shapes for Atmospheric Remote Sensing". In WIRMS 2009 5TH INTERNATIONAL WORKSHOP ON INFRARED MICROSCOPY AND SPECTROSCOPY WITH ACCELERATOR BASED SOURCES. AIP, 2010. http://dx.doi.org/10.1063/1.3326332.

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Sukhanov, Alexander, e Gennadii Matvienko. "Possibility estimation of determining carbon dioxide sources by the spaceborne lidar". In 28th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, a cura di Oleg A. Romanovskii e Gennadii G. Matvienko. SPIE, 2022. http://dx.doi.org/10.1117/12.2643912.

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Rapporti di organizzazioni sul tema "Atmospheric carbon dioxide"

Trabalka, J. Atmospheric carbon dioxide and the global carbon cycle. Office of Scientific and Technical Information (OSTI), dicembre 1985. http://dx.doi.org/10.2172/6048470.

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Firestine, M. W. Atmospheric carbon dioxide and the greenhouse effect. Office of Scientific and Technical Information (OSTI), maggio 1989. http://dx.doi.org/10.2172/5993221.

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Berner, Robert A. Plants, Weathering, and the Evolution of Atmospheric Carbon Dioxide and Oxygen. Office of Scientific and Technical Information (OSTI), febbraio 2008. http://dx.doi.org/10.2172/923048.

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Oechel, W. C., e N. E. Grulke. Response of tundra ecosystems to elevated atmospheric carbon dioxide. [Annual report]. Office of Scientific and Technical Information (OSTI), dicembre 1988. http://dx.doi.org/10.2172/230285.

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Cooley, S. R., D. J. P. Moore, S. R. Alin, D. Butman, D. W. Clow, N. H. F. French, R. A. Feely et al. Chapter 17: Biogeochemical Effects of Rising Atmospheric Carbon Dioxide. Second State of the Carbon Cycle Report. A cura di N. Cavallaro, G. Shrestha, R. Birdsey, M. A. Mayes, R. Najjar, S. Reed, P. Romero-Lankao e Z. Zhu. U.S. Global Change Research Program, 2018. http://dx.doi.org/10.7930/soccr2.2018.ch17.

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Jacobson, A. R., J. B. Miller, A. Ballantyne, S. Basu, L. Bruhwiler, A. Chatterjee, S. Denning e L. Ott. Chapter 8: Observations of Atmospheric Carbon Dioxide and Methane. Second State of the Carbon Cycle Report. A cura di N. Cavallaro, G. Shrestha, R. Birdsey, M. A. Mayes, R. Najjar, S. Reed, P. Romero-Lankao e Z. Zhu. U.S. Global Change Research Program, 2018. http://dx.doi.org/10.7930/soccr2.2018.ch8.

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Felix, Meier, Wilfried Rickels, Christian Traeger e Martin Quaas. Working paper published on NETs in strategically interacting regions based on simulation and analysis in an extended ACE model. OceanNets, 2022. http://dx.doi.org/10.3289/oceannets_d1.5.

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Net-zero climate policies foresee deployment of atmospheric carbon dioxide removal wit geological, terrestrial, or marine carbon storage. While terrestrial and geological storage would be governed under the framework of national property rights, marine storage implies that carbon is transferred from one global common, the atmosphere, to another global common, the ocean, in particular if storage exceeds beyond coastal applications. This paper investigates the option of carbon dioxide removal (CDR) and storage in different (marine) reservoir types in an analytic climate-economy model, and derives implications for optimal mitigation efforts and CDR deployment. We show that the introduction of CDR lowers net energy input and net emissions over the entire time path. Furthermore, CDR affects the Social Cost of Carbon (SCC) via changes in total economic output but leaves the analytic structure of the SCC unchanged. In the first years after CDR becomes available the SCC is lower and in later years it is higher compared to a standard climate-economy model. Carbon dioxide emissions are first higher and then lower relative to a world without CDR. The paper provides the basis for the analysis of decentralized and potentially non-cooperative CDR policies.

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Meier, Felix, Wilfried Rickels, Christian Traeger e Martin Quaas. Working paper published on NETs in strategically interacting regions based on simulation and analysis in an extended ACE model. OceanNets, settembre 2023. http://dx.doi.org/10.3289/oceannets_d1.5_v2.

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William Goddard. Low Cost Open-Path Instrument for Monitoring Atmospheric Carbon Dioxide at Sequestration Sites. Office of Scientific and Technical Information (OSTI), settembre 2008. http://dx.doi.org/10.2172/968337.

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Brady D. Lee, William A. Apel e Michelle R. Walton. Whitings as a Potential Mechanism for Controlling Atmospheric Carbon Dioxide Concentrations ? Final Project Report. Office of Scientific and Technical Information (OSTI), marzo 2006. http://dx.doi.org/10.2172/911640.

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