Academic literature on the topic 'Biogeochemistry'
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Journal articles on the topic "Biogeochemistry"
Bianchi, Thomas S., Madhur Anand, Chris T. Bauch, Donald E. Canfield, Luc De Meester, Katja Fennel, Peter M. Groffman, Michael L. Pace, Mak Saito, and Myrna J. Simpson. "Ideas and perspectives: Biogeochemistry – some key foci for the future." Biogeosciences 18, no. 10 (May 19, 2021): 3005–13. http://dx.doi.org/10.5194/bg-18-3005-2021.
Full textWalbridge, Mark R. "Phosphorus Biogeochemistry." Ecology 81, no. 5 (May 2000): 1474–75. http://dx.doi.org/10.1890/0012-9658(2000)081[1474:pb]2.0.co;2.
Full textOsborn, D. "Environmental biogeochemistry." Biological Conservation 32, no. 2 (1985): 189–90. http://dx.doi.org/10.1016/0006-3207(85)90085-0.
Full textBrooks, Jim. "Environment Biogeochemistry." Geoderma 39, no. 2 (December 1986): 157–58. http://dx.doi.org/10.1016/0016-7061(86)90073-x.
Full textPoorter, R. P. E. "Environmental biogeochemistry." Palaeogeography, Palaeoclimatology, Palaeoecology 52, no. 1-2 (November 1985): 179–80. http://dx.doi.org/10.1016/0031-0182(85)90049-5.
Full textTardy, Y. "Environmental biogeochemistry." Earth-Science Reviews 22, no. 3 (November 1985): 243. http://dx.doi.org/10.1016/0012-8252(85)90065-0.
Full textBurdige, David J. "Biogeochemistry of Estuaries." Eos, Transactions American Geophysical Union 88, no. 52 (December 25, 2007): 581. http://dx.doi.org/10.1029/2007eo520011.
Full textOremland, R. S., and J. J. McCarthy. "Foreword: Methane Biogeochemistry." Global Biogeochemical Cycles 2, no. 4 (December 1988): ii. http://dx.doi.org/10.1029/gb002i004p000ii.
Full textReeburgh, William S. "Oceanic Methane Biogeochemistry." Chemical Reviews 107, no. 2 (February 2007): 486–513. http://dx.doi.org/10.1021/cr050362v.
Full textDuursma, Egbert K. "Perspectives on Biogeochemistry." Marine Chemistry 37, no. 3-4 (April 1992): 286–88. http://dx.doi.org/10.1016/0304-4203(92)90084-n.
Full textDissertations / Theses on the topic "Biogeochemistry"
Mortimer, Robert J. G. "Biogeochemistry of iron." Thesis, University of Reading, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.262558.
Full textGuicharnaud, Rannveig A. "Biogeochemistry of Icelandic Andosols." Thesis, Available from the University of Aberdeen Library and Historic Collections Digital Resources. Online version available for University member only until July 1, 2014, 2009. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?application=DIGITOOL-3&owner=resourcediscovery&custom_att_2=simple_viewer&pid=53377.
Full textGuido-Garcia, Fabiola. "The biogeochemistry of iodine." Thesis, University of Manchester, 2016. https://www.research.manchester.ac.uk/portal/en/theses/the-biogeochemistry-of-iodine(031a6229-1a96-4068-9764-8291bafb0cad).html.
Full textJones, Charles Nathaniel. "Floodplain Hydrology and Biogeochemistry." Diss., Virginia Tech, 2015. http://hdl.handle.net/10919/75169.
Full textPh. D.
Dolor, Marvourneen Kimranee. "Investigation of Rhenium's biogeochemistry." College Park, Md. : University of Maryland, 2009. http://hdl.handle.net/1903/9260.
Full textThesis research directed by: Chemistry. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.
Tuit, Caroline Beth 1973. "The marine biogeochemistry of molybdenum." Thesis, Massachusetts Institute of Technology, 2003. http://hdl.handle.net/1721.1/58369.
Full textIncludes bibliographical references.
Prevailing wisdom holds that the vertical distribution of molybdenum (Mo) in the open ocean is conservative, despite Mo's important biological role and association with Mn oxides and anoxic sediments. Mo is used in both nitrogenase, the enzyme responsible for N2 fixation, and nitrate reductase, which catalyzes assimilatory and dissimilatory nitrate reduction. Laboratory culture work on two N2 fixing marine cyanobacteria, Trichodesmium and Crocosphaera, and a marine facultative denitrifier, Marinobacter hydrocarbanoclasticus, showed that Mo cell quotas in these organisms were positively correlated with Mo-containing enzyme activity. Mo concentrations in Crocosphaera dropped almost to blank levels when not fixing N2 suggesting daily synthesis and destruction of the entire nitrogenase enzyme and release of Mo. Trichodesmium cultures, however, retained a pool of cellular Mo even when not fixing N2. Colonies of Trichodesmium collected in the field have Mo:C tenfold higher than seen in culture, these Mo:C ratios were reflected in SPM samples from the same region. Fe:C ratios for Trichodesmium were between 12-160 pmol:mol in field and culured samples. The Fe:C ratio of Crocosphaera was established to be 15.8 =/+ 11.3 under N2 fixing conditions. Mo cellular concentrations in cultured organisms were too small to significantly influence dissolved Mo distributions, but may slightly affect Suspended Particulate Matter (SPM) distributions. Mean SPM Mo:C ratios were slightly elevated in regions of N2 fixation and denitrification.. A high precision (=/+ 0.5%) isotope dilution ICP-MS method for measuring Mo was developed to re-evaluate the marine distribution of Mo in the dissolved and particulate phase.
(cont.) Mn oxides were not found to significantly influence either the dissolved or SPM Mo distribution. Dissolved Mo profiles from the Sargasso and Arabian Sea were conservative. However, dissolved Mo profiles from the Eastern Tropical Pacific showed both depletion and enrichment of dissolved Mo possibly associated with interaction of Mo with coastal sediments. Dissolved Mo profiles in several California Borderland Basins showed 1-2 nM Mo depletions below sill depth. A more focused study of water column response to sediment fluxes using the high precision Mo analyses is necessary to determine whether these phenomena are related.
by Caroline Beth Tuit.
Ph.D.
Williford, Kenneth Hart. "Biogeochemistry of the Triassic-Jurassic boundary /." Thesis, Connect to this title online; UW restricted, 2007. http://hdl.handle.net/1773/6708.
Full textClark, James Richard. "Individual-based modelling of marine biogeochemistry." Thesis, University of East Anglia, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.539335.
Full textMoos, Simone Beatrice. "The marine biogeochemistry of chromium isotopes." Thesis, Massachusetts Institute of Technology, 2018. http://hdl.handle.net/1721.1/115788.
Full textCataloged from PDF version of thesis.
Includes bibliographical references.
In the ocean, chromium (Cr) is a redox-sensitive trace metal. The reduction of Cr(VI) to Cr(III) occurs in oxygen deficient zones (ODZs), and Cr reduction in general has been identified as a significant Cr isotope fractionation mechanism. This thesis presents the first Cr isotope variations (653 Cr) in ODZs of the ocean and adds to the sparse Cr isotope data published for modern seawater. I developed a precise and accurate Cr isotope method for seawater samples. Seawater acidification converts total Cr to Cr(III) which is preconcentrated by Mg(OH) 2 coprecipitation. A three-column anion exchange chromatography scheme separates Cr from isobaric and polyatomic interferences present in the seawater and reagent matrixes. Isotope analysis is performed on a MC-ICP-MS IsoProbe. The addition of a 50Cr-54Cr double spike allows for accurate correction of procedural and instrumental Cr mass fractionations. The first Cr isotope ratio data for a full water column profile in the Pacific Ocean is presented. This station serves as a fully oxic counterpart to stations located within the ODZ of the Eastern Tropical North Pacific. At one station, Cr concentrations are lower and [delta]53Cr values are heavier within the ODZ. This is consistent with Cr reduction resulting in isotopically lighter, particle-reactive Cr(III), which is scavenged and exported from the water column. A strong correlation of [delta]53Cr and [delta]15 NNo3- at this station suggests that Cr reduction may be microbially mediated instead of simply being a product of thermodynamic equilibrium. Alternatively, Cr may be reduced by Fe(II). In the anoxic bottom waters of the Santa Barbara Basin a strong Cr reduction signal (lower [Cr], heavier [delta]53Cr) is observed, which may result from the same aforementioned Cr reduction mechanisms. A shift to the heaviest seawater Cr isotope signatures yet observed was detected in the oxic bottom waters of the shallow Arctic Chukchi shelf, while Cr concentrations decreased. This extreme isotope signal may result from Cr reduction by a reduced species (e.g. Fe(II)), which was released from the underlying anoxic shelf sediments. Cr in the Atlantic layer and in the bottom water of a central Arctic station appears to be shaped by a novel, unidentified process.
by Simone Beatrice Moos.
Ph. D.
John, Seth G. "The marine biogeochemistry of zinc isotopes." Thesis, Massachusetts Institute of Technology, 2007. http://hdl.handle.net/1721.1/40968.
Full textIncludes bibliographical references.
Zinc (Zn) stable isotopes can record information about important oceanographic processes. This thesis presents data on Zn isotopes in anthropogenic materials, hydrothermal fluids and minerals, cultured marine phytoplankton, natural plankton, and seawater. By measuring Zn isotopes in a diverse array of marine samples, we hope to understand how Zn isotopes are fractionated in the oceans and how Zn isotopes may be used as tracers of marine biogeochemical processes. Common forms of anthropogenic Zn had [delta]66Zn from +0.08 %o to +0.32 %o, a range similar to Zn ores and terrigenous materials. Larger variations were discovered in hydrothermal fluids and minerals, with hydrothermal fluids ranging in 666Zn from 0.02 %o to +0.93 %o, and chimney minerals ranging from -0.09 %o to +1.17 %o. Lower-temperature vent systems had higher [delta]666Zn values, suggesting that precipitation of isotopically light Zn sulfides drives much of the Zn isotope fractionation in hydrothermal systems. In cultured diatoms, a relationship was discovered between Zn transport by either high-affinity or low-affinity uptake pathways, and the magnitude of Zn isotope fractionation. We established isotope effects of [delta]66Zn = -0.2 %o for high-affinity uptake and [delta]66Zn = -0.8 %o for low-affinity uptake. This work is the first to describe the molecular basis for biological fractionation of transition metals. Biological fractionation of Zn isotopes under natural conditions was investigated by measuring Zn isotopes in plankton collected in the Peru Upwelling Region and around the world.
(cont.) Seawater dissolved Zn isotopes also reflect the chemical and biological cycling of Zn. The [delta]66Zn of deep seawater in the North Pacific and North Atlantic is about 0.5%0, and the dissolved [delta]66Zn gets lighter in the upper water column. This is unexpected based our observations of a biological preference for uptake of light Zn isotopes, and suggests that Zn transport to deep waters may occur by Zn adsorption to sinking particles rather than as primary biological Zn. The thesis, by presenting data on several important aspects of Zn isotope cycling in the oceans, lays the groundwork for further use of Zn isotopes as a marine biogeochemical tracer.
by Seth Greeley John.
Ph.D.
Books on the topic "Biogeochemistry"
H, Schlesinger William, ed. Biogeochemistry. Amsterdam: Elsevier, 2005.
Find full textFasham, Michael J. R., ed. Ocean Biogeochemistry. Berlin, Heidelberg: Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-642-55844-3.
Full textCronan, Christopher S. Ecosystem Biogeochemistry. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-66444-6.
Full textHayes, John M. Isotopic biogeochemistry. Bloomington, Ind: Indiana University Foundation, 1985.
Find full textWarren, Howarth Robert, ed. Modern biogeochemistry. Dordrecht: Kluwer Academic Publishers, 2002.
Find full textMikhaĭlovich, Galimov Ėrik, ed. Pami͡a︡ti pervykh rossiĭskikh biokhimikov: Sbornik nauchnykh trudov. Moskva: "Nauka", 1994.
Find full textMiddelburg, Jack J. Marine Carbon Biogeochemistry. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-10822-9.
Full textParmar, Nagina, and Ajay Singh, eds. Geomicrobiology and Biogeochemistry. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-41837-2.
Full textDegens, Egon T. Perspectives on Biogeochemistry. Berlin, Heidelberg: Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-48879-5.
Full textReddy, Ramesh. Biogeochemistry of Wetlands. London: Taylor and Francis, 2008.
Find full textBook chapters on the topic "Biogeochemistry"
Mahowald, Natalie M. "Atmospheric Biogeochemistry biogeochemistry." In Encyclopedia of Sustainability Science and Technology, 606–22. New York, NY: Springer New York, 2012. http://dx.doi.org/10.1007/978-1-4419-0851-3_549.
Full textSmith, Walker O., Eileen E. Hofmann, and Anna Mosby. "Marine Biogeochemistry marine biogeochemistry." In Encyclopedia of Sustainability Science and Technology, 6372–86. New York, NY: Springer New York, 2012. http://dx.doi.org/10.1007/978-1-4419-0851-3_565.
Full textHartnett, Hilairy Ellen. "Biogeochemistry." In Encyclopedia of Earth Sciences Series, 1–4. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-39193-9_169-1.
Full textHartnett, Hilairy Ellen. "Biogeochemistry." In Encyclopedia of Earth Sciences Series, 107–11. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-39312-4_169.
Full textSchiebel, Ralf, and Christoph Hemleben. "Biogeochemistry." In Planktic Foraminifers in the Modern Ocean, 263–93. Berlin, Heidelberg: Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-50297-6_9.
Full textZhao, Weilong, Zhijun Xu, and Nita Sahai. "Biogeochemistry." In Molecular Modeling of Geochemical Reactions, 311–39. Chichester, UK: John Wiley & Sons, Ltd, 2016. http://dx.doi.org/10.1002/9781118845226.ch9.
Full textSyvitski, James P. M., David C. Burrell, and Jens M. Skei. "Biogeochemistry." In Fjords, 241–70. New York, NY: Springer New York, 1987. http://dx.doi.org/10.1007/978-1-4612-4632-9_7.
Full textSommer, Ulrich. "Biogeochemistry." In Freshwater and Marine Ecology, 335–72. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-42459-5_8.
Full textSihi, Debjani, and Biswanath Dari. "Soil Biogeochemistry." In The Soils of India, 143–58. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-31082-0_8.
Full textCronan, Christopher S. "Soil Biogeochemistry." In Ecosystem Biogeochemistry, 11–29. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-66444-6_2.
Full textConference papers on the topic "Biogeochemistry"
Shah Walter, Sunita. "Off-axis Hydrothermal Biogeochemistry." In Goldschmidt2023. France: European Association of Geochemistry, 2023. http://dx.doi.org/10.7185/gold2023.20522.
Full textKappler, Andreas. "Iron Biogeochemistry in the Past, Present and Future - Endowed Biogeochemistry Lecture." In Goldschmidt2021. France: European Association of Geochemistry, 2021. http://dx.doi.org/10.7185/gold2021.8310.
Full textDabsys, Edward, Joshua Beisel, Gretchen North, Allan N. Scott, and Christopher Oze. "BIOGEOCHEMISTRY OF PERCHLORATE IN MARTIAN REGOLITH." In GSA Annual Meeting in Indianapolis, Indiana, USA - 2018. Geological Society of America, 2018. http://dx.doi.org/10.1130/abs/2018am-322966.
Full textHannides, Angelos K., and Nicole Elko. "SAND BIOGEOCHEMISTRY IMPACTS OF BEACH NOURISHMENT ACTIVITIES." In 68th Annual GSA Southeastern Section Meeting - 2019. Geological Society of America, 2019. http://dx.doi.org/10.1130/abs/2019se-327570.
Full textChorover, Jon. "CRITICAL ZONE BIOGEOCHEMISTRY: LINKING STRUCTURE AND DYNAMICS." In GSA Annual Meeting in Phoenix, Arizona, USA - 2019. Geological Society of America, 2019. http://dx.doi.org/10.1130/abs/2019am-338314.
Full textWerne, J. "Keynote Lecture - Biogeochemistry of Sulfur: an Overview." In First EAGE/IFPEN Conference on Sulfur Risk Management in Exploration and Production. Netherlands: EAGE Publications BV, 2018. http://dx.doi.org/10.3997/2214-4609.201802776.
Full textCañadas, Fuen, Dominic Papineau, and Graham Shields. "Biogeochemistry of late Ediacaran mineral-organic associations." In Goldschmidt2021. France: European Association of Geochemistry, 2021. http://dx.doi.org/10.7185/gold2021.6328.
Full textUeno, Yuichiro, Toshiki Katsuta, Koudai Taguchi, Mayuko Nakagawa, Naohiro Yoshida, and Alexis Gilbert. "Application of fluorination method to isotopologue biogeochemistry." In Goldschmidt2021. France: European Association of Geochemistry, 2021. http://dx.doi.org/10.7185/gold2021.7358.
Full textMissen, Owen, Joël Brugger, Stuart Mills, Barbara Etschmann, Rahul Ram, and Jeremiah Shuster. "Tellurium Biogeochemistry in the World’s Richest Tellurium Hotspot." In Goldschmidt2020. Geochemical Society, 2020. http://dx.doi.org/10.46427/gold2020.1813.
Full textBianchi, Thomas. "Key Geochemical Developments in the Origin of Biogeochemistry." In Goldschmidt2021. France: European Association of Geochemistry, 2021. http://dx.doi.org/10.7185/gold2021.3725.
Full textReports on the topic "Biogeochemistry"
Kersting, Annie B., and Mavrik Zavarin. Subsurface Biogeochemistry of Actinides. Office of Scientific and Technical Information (OSTI), June 2016. http://dx.doi.org/10.2172/1281679.
Full textDunn, C. E. Biogeochemistry in Mineral Exploration. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1991. http://dx.doi.org/10.4095/132395.
Full textLi, Li. Deep Learning for Hydro-Biogeochemistry Processes. Office of Scientific and Technical Information (OSTI), March 2021. http://dx.doi.org/10.2172/1769693.
Full textFelmy, Andrew R., Eric J. Bylaska, David A. Dixon, Michel Dupuis, James W. Halley, R. Kawai, Kevin M. Rosso, et al. Computational Studies in Molecular Geochemistry and Biogeochemistry. Office of Scientific and Technical Information (OSTI), April 2006. http://dx.doi.org/10.2172/881689.
Full textSmith, Jeremy. Multi-Scale Modeling Framework for Mercury Biogeochemistry. Office of Scientific and Technical Information (OSTI), October 2020. http://dx.doi.org/10.2172/1671770.
Full textWilkins, Michael, Audrey Sawyer, and Kenneth Williams. Seasonal controls on dynamic hyporheic zone redox biogeochemistry. Office of Scientific and Technical Information (OSTI), August 2016. http://dx.doi.org/10.2172/1506963.
Full textDenham, M., D. Kaplan, and C. Yeager. GROUNDWATER RADIOIODINE: PREVALENCE, BIOGEOCHEMISTRY, AND POTENTIAL REMEDIAL APPROACHES. Office of Scientific and Technical Information (OSTI), September 2009. http://dx.doi.org/10.2172/965394.
Full textBraswell, B. H. Jr. Global terrestrial biogeochemistry: Perturbations, interactions, and time scales. Office of Scientific and Technical Information (OSTI), December 1996. http://dx.doi.org/10.2172/527485.
Full textJeffery, Nicole, Mathew Maltrud, Jonathan Wolfe, and Sean Mitchell. Arctic benthos biogeochemistry in E3SM: progress and applications. Office of Scientific and Technical Information (OSTI), September 2021. http://dx.doi.org/10.2172/1821333.
Full textJeffery, Nicole. Ice-ocean interactions, marine biogeochemistry and the climate system. Office of Scientific and Technical Information (OSTI), May 2017. http://dx.doi.org/10.2172/1358151.
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