Academic literature on the topic 'Soil chemistry and soil carbon sequestration (excl. carbon sequestration science)'
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Journal articles on the topic "Soil chemistry and soil carbon sequestration (excl. carbon sequestration science)"
Whalen, Joann K., Shamim Gul, Vincent Poirier, Sandra F. Yanni, Myrna J. Simpson, Joyce S. Clemente, Xiaojuan Feng, et al. "Transforming plant carbon into soil carbon: Process-level controls on carbon sequestration." Canadian Journal of Plant Science 94, no. 6 (August 2014): 1065–73. http://dx.doi.org/10.4141/cjps2013-145.
Full textAlcántara Cervantes, Viridiana, and Ronald Vargas Rojas. "Soil organic carbon sequestration in a changing climate." Global Change Biology 24, no. 8 (July 3, 2018): 3282. http://dx.doi.org/10.1111/gcb.14080.
Full textSchlesinger, William H., and Ronald Amundson. "Managing for soil carbon sequestration: Let’s get realistic." Global Change Biology 25, no. 2 (November 28, 2018): 386–89. http://dx.doi.org/10.1111/gcb.14478.
Full textVågen, T. G., R. Lal, and B. R. Singh. "Soil carbon sequestration in sub-Saharan Africa: a review." Land Degradation & Development 16, no. 1 (January 2005): 53–71. http://dx.doi.org/10.1002/ldr.644.
Full textQin, Zhangcai, Yao Huang, and Qianlai Zhuang. "Soil organic carbon sequestration potential of cropland in China." Global Biogeochemical Cycles 27, no. 3 (August 12, 2013): 711–22. http://dx.doi.org/10.1002/gbc.20068.
Full textNIKLAUS, PASCAL A., and PETE FALLOON. "Estimating soil carbon sequestration under elevated CO2 by combining carbon isotope labelling with soil carbon cycle modelling." Global Change Biology 12, no. 10 (July 17, 2006): 1909–21. http://dx.doi.org/10.1111/j.1365-2486.2006.01215.x.
Full textChaudhuri, Sriroop, Louis M. McDonald, Eugenia M. Pena-Yewtukhiw, Jeff Skousen, and Mimi Roy. "Chemically stabilized soil organic carbon fractions in a reclaimed minesoil chronosequence: implications for soil carbon sequestration." Environmental Earth Sciences 70, no. 4 (February 7, 2013): 1689–98. http://dx.doi.org/10.1007/s12665-013-2256-8.
Full textPost, W. M., and K. C. Kwon. "Soil carbon sequestration and land-use change: processes and potential." Global Change Biology 6, no. 3 (March 2000): 317–27. http://dx.doi.org/10.1046/j.1365-2486.2000.00308.x.
Full textFarooqi, Zia Ur Rahman, Muhammad Sabir, Hamaad Raza Ahmad, Muhammad Shahbaz, and Jo Smith. "Reclaimed Salt-Affected Soils Can Effectively Contribute to Carbon Sequestration and Food Grain Production: Evidence from Pakistan." Applied Sciences 13, no. 3 (January 21, 2023): 1436. http://dx.doi.org/10.3390/app13031436.
Full textLessmann, Malte, Gerard H. Ros, Madaline D. Young, and Wim Vries. "Global variation in soil carbon sequestration potential through improved cropland management." Global Change Biology 28, no. 3 (November 12, 2021): 1162–77. http://dx.doi.org/10.1111/gcb.15954.
Full textDissertations / Theses on the topic "Soil chemistry and soil carbon sequestration (excl. carbon sequestration science)"
Barkle, Gregory Francis. "The fate of carbon and nitrogen from an organic effluent irrigated onto soil : process studies, model development and testing." Lincoln University, 2001. http://hdl.handle.net/10182/1959.
Full textNiazi, Nabeel Khan. "Variability, Speciation and Phytoremediation of Soil Arsenic at Cattle Dip Sites in NSW, Australia." Thesis, The University of Sydney, 2011. http://hdl.handle.net/2123/8047.
Full textHigher Education Commission of Pakistan, NSW Government through its environmental trust, Australian Synchrotron Research Program, for enabling me to travel to the Australian National Beamline Facility in Tsukuba (Japan) for performing my experiment (Project AS093/ANBF1851)
Condron, Leo M. "Chemical nature and plant availability of phosphorus present in soils under long-term fertilised irrigated pastures in Canterbury, New Zealand." Lincoln College, University of Canterbury, 1986. http://hdl.handle.net/10182/1875.
Full text(9524549), Lucia De Lourdes Zuniga. "Transformation of the hyper-arid desert soils in Arequipa Peru during four decades of irrigated agriculture." Thesis, 2020.
Find full text(8771531), Licheng Liu. "Quantifying Global Exchanges of Methane and Carbon Monoxide Between Terrestrial Ecosystems and The Atmosphere Using Process-based Biogeochemistry Models." Thesis, 2020.
Find full textMethane (CH4) is the second most powerful greenhouse gas (GHG) behind carbon dioxide (CO2), and is able to trap a large amount of long-wave radiation, leading to surface warming. Carbon monoxide (CO) plays an important role in controlling the oxidizing capacity of the atmosphere by reacting with OH radicals that affect atmospheric CH4 dynamics. Terrestrial ecosystems play an important role in determining the amount of these gases into the atmosphere. However, global quantifications of CH4 emissions from wetlands and its sinks from uplands, and CO exchanges between land and the atmosphere are still fraught with large uncertainties, presenting a big challenge to interpret complex atmospheric CH4 dynamics in recent decades. In this dissertation, I apply modeling approaches to estimate the global CH4 and CO exchanges between land ecosystems and the atmosphere and analyze how they respond to contemporary and future climate change.
Firstly, I develop a process-based biogeochemistry model embedded in Terrestrial Ecosystem Model (TEM) to quantify the CO exchange between soils and the atmosphere at the global scale (Chapter 2). Parameterizations were conducted by using the CO in situ data for eleven representative ecosystem types. The model is then extrapolated to global terrestrial ecosystems. Globally soils act as a sink of atmospheric CO. Areas near the equator, Eastern US, Europe and eastern Asia will be the largest sink regions due to their optimum soil moisture and high temperature. The annual global soil net flux of atmospheric CO is primarily controlled by air temperature, soil temperature, SOC and atmospheric CO concentrations, while its monthly variation is mainly determined by air temperature, precipitation, soil temperature and soil moisture.
Secondly, to better quantify the global CH4 emissions from wetlands and their uncertainties, I revise, parameterize and verify a process-based biogeochemical model for methane for various wetland ecosystems (Chapter 3). The model is then extrapolated to the global scale to quantify the uncertainty induced from four different types of uncertainty sources including parameterization, wetland type distribution, wetland area distribution and meteorological input. Spatially, the northeast US and Amazon are two hotspots of CH4 emissions, while consumption hotspots are in the eastern US and eastern China. The relationships between both wetland emissions and upland consumption and El Niño and La Niña events are analyzed. This study highlights the need for more in situ methane flux data, more accurate wetland type and area distribution information to better constrain the model uncertainty.
Thirdly, to further constrain the global wetland CH4 emissions, I develop a predictive model of CH4 emissions using an artificial neural network (ANN) approach and available field observations of CH4 fluxes (Chapter 4). Eleven explanatory variables including three transient climate variables (precipitation, air temperature and solar radiation) and eight static soil property variables are considered in developing the ANN models. The models are then extrapolated to the global scale to estimate monthly CH4 emissions from 1979 to 2099. Significant interannual and seasonal variations of wetland CH4 emissions exist in the past four decades, and the emissions in this period are most sensitive to variations in solar radiation and air temperature. This study reduced the uncertainty in global CH4 emissions from wetlands and called for better characterizing variations of wetland areas and water table position and more long-term observations of CH4 fluxes in tropical regions.
Finally, in order to study a new pathway of CH4 emissions from palm tree stem, I develop a two-dimensional diffusion model. The model is optimized using field data of methane emissions from palm tree stems (Chapter 5). The model is then extrapolated to Pastaza-Marañón foreland basin (PMFB) in Peru by using a process-based biogeochemical model. To our knowledge, this is among the first efforts to quantify regional CH4 emissions through this pathway. The estimates can be improved by considering the effects of changes in temperature, precipitation and radiation and using long-period continuous flux observations. Regional and global estimates of CH4 emissions through this pathway can be further constrained using more accurate palm swamp classification and spatial distribution data of palm trees at the global scale.
(9179345), Youmi Oh. "QUANTIFYING CARBON FLUXES AND ISOTOPIC SIGNATURE CHANGES ACROSS GLOBAL TERRESTRIAL ECOSYSTEMS." Thesis, 2020.
Find full textThis thesis is a collection of three research articles to quantify carbon fluxes and isotopic signature changes across global terrestrial ecosystems. Chapter 2, the first article of this thesis, focuses on the importance of an under-estimated methane soil sink for contemporary and future methane budgets in the pan-Arctic region. Methane emissions from organic-rich soils in the Arctic have been extensively studied due to their potential to increase the atmospheric methane burden as permafrost thaws. However, this methane source might have been overestimated without considering high affinity methanotrophs (HAM, methane oxidizing bacteria) recently identified in Arctic mineral soils. From this study, we find that HAM dynamics double the upland methane sink (~5.5 TgCH4yr-1) north of 50°N in simulations from 2000 to 2016 by integrating the dynamics of HAM and methanogens into a biogeochemistry model that includes permafrost soil organic carbon (SOC) dynamics. The increase is equivalent to at least half of the difference in net methane emissions estimated between process-based models and observation-based inversions, and the revised estimates better match site-level and regional observations. The new model projects double wetland methane emissions between 2017-2100 due to more accessible permafrost carbon. However, most of the increase in wetland emissions is offset by a concordant increase in the upland sink, leading to only an 18% increase in net methane emission (from 29 to 35 TgCH4yr-1). The projected net methane emissions may decrease further due to different physiological responses between HAM and methanogens in response to increasing temperature. This article was published in Nature Climate Change in March 2020.
In Chapter 3, the second article of this thesis, I develop and validate the first biogeochemistry model to simulate carbon isotopic signatures (δ13C) of methane emitted from global wetlands, and examined the importance of the wetland carbon isotope map for studying the global methane cycle. I incorporated a carbon isotope-enabled module into an extant biogeochemistry model to mechanistically simulate the spatial and temporal variability of global wetland δ13C-CH4. The new model explicitly considers isotopic fractionation during methane production, oxidation, and transport processes. I estimate a mean global wetland δ13C-CH4 of -60.78‰ with its seasonal and inter-annual variability. I find that the new model matches field chamber observations 35% better in terms of root mean square estimates compared to an empirical static wetland δ13C-CH4 map. The model also reasonably reproduces the regional heterogeneity of wetland δ13C-CH4 in Alaska, consistent with vertical profiles of δ13C-CH4 from NOAA aircraft measurements. Furthermore, I show that the latitudinal gradient of atmospheric δ13C-CH4 simulated by a chemical transport model using the new wetland δ13C-CH4 map reproduces the observed latitudinal gradient based on NOAA/INSTAAR global flask-air measurements. I believe this study is the first process-based biogeochemistry model to map the global distribution of wetland δ13C-CH4, which will significantly help atmospheric chemistry transport models partition global methane emissions. This article is in preparation for submission to Nature Geoscience.
Chapter 4 of this thesis, the third article, investigates the importance of leaf carbon allocation for seasonal leaf carbon isotopic signature changes and water use efficiency in temperate forests. Temperate deciduous trees remobilize stored carbon early in the growing season to produce new leaves and xylem vessels. The use of remobilized carbon for building leaf tissue dampens the link between environmental stomatal response and inferred intrinsic water use efficiency (iWUE) using leaf carbon isotopic signatures (δ13C). So far, few studies consider carbon allocation processes in interpreting leaf δ13C signals. To understand effects of carbon allocation on δ13C and iWUE estimates, we analyzed and modeled the seasonal leaf δ13C of four temperate deciduous species (Acer saccharum, Liriodendron tulipifera, Sassafras albidum, and Quercus alba) and compared the iWUE estimates from different methods, species, and drought conditions. At the start of the growing season, leaf δ13C values were more enriched, due to remobilized carbon during leaf-out. The bias towards enriched leaf δ13C values explains the higher iWUE from leaf isotopic methods compared with iWUE from leaf gas exchange measurements. I further showed that the discrepancy of iWUE estimates between methods may be species-specific and drought sensitive. The use of δ13C of plant tissues as a proxy for stomatal response to environmental processes, through iWUE, is complicated due to carbon allocation and care must be taken when interpreting estimates to avoid proxy bias. This article is in review for publication in New Phytologist.
Books on the topic "Soil chemistry and soil carbon sequestration (excl. carbon sequestration science)"
M, Kimble J., Lal R, and Follett R. F. 1939-, eds. Agricultural practices and policies for carbon sequestration in soil. Boca Raton, Fla: Lewis Publishers, 2002.
Find full textservice), SpringerLink (Online, ed. Carbon Sequestration in Agricultural Soils: A Multidisciplinary Approach to Innovative Methods. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012.
Find full textBanwart, Steven A., Elke Noellemeyer, Dave Abson, Christiano Ballabio, and Francesca Bampa. Soil Carbon: Science, Management and Policy for Multiple Benefits. CABI, 2019.
Find full textSoil Carbon: Science, Management, and Policy for Multiple Benefits. CABI, 2014.
Find full textLal, Rattan, and Bruce Augustin. Carbon Sequestration in Urban Ecosystems. Springer, 2011.
Find full textCarbon Sequestration In Urban Ecosystems. Springer, 2011.
Find full textLal, Rattan, and Bruce Augustin. Carbon Sequestration in Urban Ecosystems. Springer, 2011.
Find full textLal, Rattan, and Bruce Augustin. Carbon Sequestration in Urban Ecosystems. Springer Netherlands, 2014.
Find full textPiccolo, Alessandro. Carbon Sequestration in Agricultural Soils: A Multidisciplinary Approach to Innovative Methods. Springer, 2012.
Find full textPiccolo, Alessandro. Carbon Sequestration in Agricultural Soils: A Multidisciplinary Approach to Innovative Methods. Springer, 2012.
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