Fifth-Year Assessment of Baylor University Major Strategic Proposal
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Determining Carbon Stocks in Cryosols Using the Northern and Mid Latitudes Soil Database
Permafrost, Phillips, Springman & Arenson (eds) © 2003 Swets & Zeitlinger, Lisse, ISBN 90 5809 582 7 Determining carbon stocks in Cryosols using the Northern and Mid Latitudes Soil Database C. Tarnocai Agriculture and Agri-Food Canada, Ottawa, Ontario, Canada J. Kimble USDA-NRCS-NSSC, Lincoln, Nebraska, USA G. Broll Institute of Landscape Ecology, University of Muenster, Muenster, Germany ABSTRACT: The distribution of Cryosols and their carbon content and mass in the northern circumpolar area were estimated by using the Northern and Mid Latitudes Soil Database (NMLSD). Using this database, it was estimated that, in the Northern Hemisphere, Cryosols cover approximately 7769 ϫ 103 km2 and contain approxi- mately 119 Gt (surface, 0–30 cm) and 268 Gt (total, 0–100 cm) of soil organic carbon. The 268 Gt organic carbon is approximately 16% of the world’s soil organic carbon. Organic Cryosols were found to have the highest soil organic carbon mass at both depth ranges while Static Cryosols had the lowest. The accuracy of these carbon val- ues is variable and depends on the information available for the area. Since these soils contain a significant por- tion of the Earth’s soil organic carbon and will probably be the soils most affected by climate warming, new data is required so that more accurate estimates of their carbon budget can be made. 1 INTRODUCTION which is in Arc/Info format, the Soils of Northern and Mid Latitudes (Tarnocai et al. 2002a) and Northern Soils are the largest source of organic carbon in ter- Circumpolar Soils (Tarnocai et al. 2002b) maps were restrial ecosystems. -
Diagnostic Horizons
Exam III Wednesday, November 7th Study Guide Posted Tomorrow Review Session in Class on Monday the 4th Soil Taxonomy and Classification Diagnostic Horizons Epipedons Subsurface Mollic Albic Umbric Kandic Ochric Histic Argillic Melanic Spodic Plaggen Anthropic Oxic 1 Surface Horizons: Mollic- thick, dark colored, high %B.S., structure Umbric – same, but lower B.S. Ochric – pale, low O.M., thin Histic – High O.M., thick, wet, dark Sub-Surface Horizons: Argillic – illuvial accum. of clay (high activity) Kandic – accum. of clay (low activity) Spodic – Illuvial O.M. accumulation (Al and/or Fe) Oxic – highly weathered, kaolinite, Fe and Al oxides Albic – light colored, elluvial, low reactivity Elluviation and Illuviation Elluviation (E horizon) Organic matter Clays A A E E Bh horizon Bt horizon Bh Bt Spodic horizon Argillic horizon 2 Soil Taxonomy Diagnostic Epipedons Diagnostic Subsurface horizons Moisture Regimes Temperature Regimes Age Texture Depth Soil Taxonomy Soil forming processes, presence or Order Absence of major diagnostic horizons 12 Similar genesis Suborder 63 Grasslands – thick, dark Great group 250 epipedons High %B.S. Sub group 1400 Family 8000 Series 19,000 Soil Orders Entisols Histosols Inceptisols Andisols Gelisols Alfisols Mollisols Ultisols Spodosols Aridisols Vertisols Oxisols 3 Soil Orders Entisol Ent- Recent Histosol Hist- Histic (organic) Inceptisol Incept- Inception Alfisol Alf- Nonsense Ultisol Ult- Ultimate Spodosol Spod- Spodos (wood ash) Mollisol Moll- Mollis (soft) Oxisol Ox- oxide Andisol And- Ando (black) Gelisol -
What Does It Take to Be X-Class?
Solar Flares: What Does It Take to Be X-Class? Sun Emits an X-Class Flare On August 9 3 'Uneducated Guesses' 5 Study of Abalone Yields New Insights Into Sexual Reproduction 8 Japan's Tohoku Tsunami Created Icebergs in Antarctica 11 DNA Building Blocks Can Be Made in Space, NASA Evidence Suggests 14 Genetically Modified 'Serial Killer' T-Cells Obliterate Tumors in Leukemia Patients 16 Engineers Reverse E. Coli Metabolism for Quick Production of Fuels, Chemicals 19 Diamond‘s Quantum Memory 21 New Microscope Reveals Nanoscale Details 23 Chimpanzees Are Spontaneously Generous After All, Study Shows 26 The Thrill of Boredom 28 Genetic Basis for Muscle Endurance Discovered in Animal Study 31 Scientist Develops Virus That Targets HIV: Using a Virus to Kill a Virus 34 In Auto Test in Europe, Meter Ticks Off Miles, and Fee to Driver 36 Humankind‘s Ascent Took Path of Yeast Resistance 39 With Photovoltaic Polarizers, Devices Could Be Powered by Sunlight, Own Backlight 43 Severe Low Temperatures Devastate Coral Reefs in Florida Keys 45 Billion-Year-Old Piece of North America Traced Back to Antarctica 47 When East Met West Under the Buddha‘s Gaze 50 Math Ability Is Inborn, New Research Suggests 53 Were the best world leaders mentally ill? 56 'Amino Acid Time Capsule': New Way to Date the Past 59 Reality check: Why dreams aren't what they seem 61 New Conducting Properties Discovered in Bacteria-Produced Wires 64 Genomic Biomarker Signature Can Predict Skin Sensitizers, Study Finds 66 Nanoparticle Size Is Readily Controlled to Make Stronger Aluminum -
SKA-Athena Synergy White Paper
SKA-Athena Synergy White Paper SKA-Athena Synergy Team July 2018. Edited by: Francisco J. Carrera and Silvia Martínez-Núñez on behalf of the Athena Community Office. Revisions provided by: Judith Croston, Andrew C. Fabian, Robert Laing, Didier Barret, Robert Braun, Kirpal Nandra Authorship Authors Rossella Cassano (INAF-Istituto di Radioastronomia, Italy). • Rob Fender (University of Oxford, United Kingdom). • Chiara Ferrari (Observatoire de la Côte d’Azur, France). • Andrea Merloni (Max-Planck Institute for Extraterrestrial Physics, Germany). • Contributors Takuya Akahori (Kagoshima University, Japan). • Hiroki Akamatsu (SRON Netherlands Institute for Space Research, The Netherlands). • Yago Ascasibar (Universidad Autónoma de Madrid, Spain). • David Ballantyne (Georgia Institute of Technology, United States). • Gianfranco Brunetti (INAF-Istituto di Radioastronomia, Italy) and Maxim Markevitch (NASA-Goddard • Space Flight Center, United States). Judith Croston (The Open University, United Kingdom). • Imma Donnarumma (Agenzia Spaziale Italiana, Italy) and E. M. Rossi (Leiden Observatory, The • Netherlands). Robert Ferdman (University of East Anglia, United Kingdom) on behalf of the SKA Pulsar Science • Working Group. Luigina Feretti (INAF-Istituto di Radioastronomia, Italy) and Federica Govoni (INAF Osservatorio • Astronomico,Italy). Jan Forbrich (University of Hertfordshire, United Kingdom). • Giancarlo Ghirlanda (INAF-Osservatorio Astronomico di Brera and University Milano Bicocca, Italy). • Adriano Ingallinera (INAF-Osservatorio Astrofisico di Catania, Italy). • Andrei Mesinger (Scuola Normale Superiore, Italy). • Vanessa Moss and Elaine Sadler (Sydney Institute for Astronomy/CAASTRO and University of Sydney, • Australia). Fabrizio Nicastro (Osservatorio Astronomico di Roma,Italy), Edvige Corbelli (INAF-Osservatorio As- • trofisico di Arcetri, Italy) and Luigi Piro (INAF, Istituto di Astrofisica e Planetologia Spaziali, Italy). Paolo Padovani (European Southern Observatory, Germany). • Francesca Panessa (INAF/Istituto di Astrofisica e Planetologia Spaziali, Italy). -
Math and Science
Stamford Public Schools 2010-2011 School Year Report to the Community Interim Superintendent Winifred Hamilton, Ph.D. Board of Education, 2010-2011 Polly Rauh, Ed.D., President Jackie Heftman Jerry Pia, Vice President John Leydon, Jr. Lorraine Olson, Secretary Richard Lyons, II Geoff Alswanger, Assistant Secretary Steven Polo Mayor Michael Pavia Julia Wade INTERIM SUPERINTENDENT’S HIGHLIGHTS OF THE 2010-2011 SCHOOL YEAR I am pleased to share with you the third annual Stamford Public Schools Report to the Community. In it, you will find many indicators of our system’s successes during the 2010- 2011 school year in the areas of student achievement, operational and fiscal improvements, and grant acquisitions. I am particularly proud of our students’ “You will see strong evidence that achievements in the area of college readiness. our students are motivated, engaged, More students than ever are taking four years of and ready to accept the challenges math and science. They are also taking and passing Advanced Placement of a rigorous course load.” courses in record numbers. At the middle school level, our efforts to add instructional time and standards-based curricula have led to substantial gains among multiple student groups in grade 7 reading, math, and writing. At the elementary level, the new standards-based math curriculum has been fully implemented in grades K-5, with a great deal of embedded professional development provided to staff. We are seeing steady improvement in math in the elementary grades with Stamford’s gains in math outpacing the state on the Connecticut Mastery Tests (CMTs). These data points emerge from the extremely hard work of our teachers, paraprofessionals, and administrators. -
Sugar Coated Sugar Has Become Notorious, with Countless Claims of Its Ill Effects on Health
HHMI BULLETIN N OV . ’11 VOL.24 • NO.04 • 4000 Jones Bridge Road Chevy Chase, Maryland 20815-6789 Hughes Medical Institute Howard www.hhmi.org Address Service Requested Sugar Coated Sugar has become notorious, with countless claims of its ill effects on health. But not all sugars are bad for you. Consider fucose, an essential sugar the body needs. Without it, neurons can’t communicate, kidneys can’t filter blood, and skin can’t stay hydrated. Chemical biologist Carolyn • Bertozzi and her group are trying to learn more about the role of fucose in www.hhmi.org development. To do this, they injected modified versions of fucose into live, single-celled zebrafish embryos. As the embryos developed, the altered fucose molecules were incorporated into the sugars that coat cell surfaces. Using a simple chemical reaction, the team attached a labeled probe molecule to the altered fucose so they could visualize its location in the developing embryo. In this image of a 19-hour-old zebrafish embryo, labeled fucose (red) glows in the peripheral cells. Just one of many ways chemistry is helping answer biological questions (see “Living Chemistry,” page 12). YEAR OF CHEMISTRY Chemists fascinated by the complexity of biology are solving problems in neuroscience, immunology, and cell signaling. v ol. 24 / no. no. / Karen Dehnert and Scott Laughlin / Bertozzi lab In This Issue: Traveling Microscope / Lemur vs Mouse / Spotlight on Science Teacher Training 04 ObservatiOns ThE GIvInG TREE The history of science overflows with captivating stories of break- Johann Kraut in 1869 and Hermann Kolbe in 1874, but then, unfortunately, throughs that led to innovative disease treatments. -
Permafrost Soils and Carbon Cycling
SOIL, 1, 147–171, 2015 www.soil-journal.net/1/147/2015/ doi:10.5194/soil-1-147-2015 SOIL © Author(s) 2015. CC Attribution 3.0 License. Permafrost soils and carbon cycling C. L. Ping1, J. D. Jastrow2, M. T. Jorgenson3, G. J. Michaelson1, and Y. L. Shur4 1Agricultural and Forestry Experiment Station, Palmer Research Center, University of Alaska Fairbanks, 1509 South Georgeson Road, Palmer, AK 99645, USA 2Biosciences Division, Argonne National Laboratory, Argonne, IL 60439, USA 3Alaska Ecoscience, Fairbanks, AK 99775, USA 4Department of Civil and Environmental Engineering, University of Alaska Fairbanks, Fairbanks, AK 99775, USA Correspondence to: C. L. Ping ([email protected]) Received: 4 October 2014 – Published in SOIL Discuss.: 30 October 2014 Revised: – – Accepted: 24 December 2014 – Published: 5 February 2015 Abstract. Knowledge of soils in the permafrost region has advanced immensely in recent decades, despite the remoteness and inaccessibility of most of the region and the sampling limitations posed by the severe environ- ment. These efforts significantly increased estimates of the amount of organic carbon stored in permafrost-region soils and improved understanding of how pedogenic processes unique to permafrost environments built enor- mous organic carbon stocks during the Quaternary. This knowledge has also called attention to the importance of permafrost-affected soils to the global carbon cycle and the potential vulnerability of the region’s soil or- ganic carbon (SOC) stocks to changing climatic conditions. In this review, we briefly introduce the permafrost characteristics, ice structures, and cryopedogenic processes that shape the development of permafrost-affected soils, and discuss their effects on soil structures and on organic matter distributions within the soil profile. -
Microbial Dormancy Improves Development and Experimental Validation of Ecosystem Model
The ISME Journal (2015) 9, 226–237 & 2015 International Society for Microbial Ecology All rights reserved 1751-7362/15 www.nature.com/ismej ORIGINAL ARTICLE Microbial dormancy improves development and experimental validation of ecosystem model Gangsheng Wang1,2, Sindhu Jagadamma1,2, Melanie A Mayes1,2, Christopher W Schadt2,3, J Megan Steinweg2,3,4, Lianhong Gu1,2 and Wilfred M Post1,2 1Environmental Sciences Division, Oak Ridge National Laboratory, Oak Ridge, TN, USA; 2Climate Change Science Institute, Oak Ridge National Laboratory, Oak Ridge, TN, USA and 3Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, TN, USA Climate feedbacks from soils can result from environmental change followed by response of plant and microbial communities, and/or associated changes in nutrient cycling. Explicit consideration of microbial life-history traits and functions may be necessary to predict climate feedbacks owing to changes in the physiology and community composition of microbes and their associated effect on carbon cycling. Here we developed the microbial enzyme-mediated decomposition (MEND) model by incorporating microbial dormancy and the ability to track multiple isotopes of carbon. We tested two versions of MEND, that is, MEND with dormancy (MEND) and MEND without dormancy (MEND_wod), against long-term (270 days) carbon decomposition data from laboratory incubations of four soils with isotopically labeled substrates. MEND_wod adequately fitted multiple observations (total 14 C–CO2 and C–CO2 respiration, and dissolved organic carbon), but at the cost of significantly underestimating the total microbial biomass. MEND improved estimates of microbial biomass by 20–71% over MEND_wod. We also quantified uncertainties in parameters and model simulations using the Critical Objective Function Index method, which is based on a global stochastic optimization algorithm, as well as model complexity and observational data availability. -
Learning from Text: Examining Teacher Thinking and Practice In
Learning from Text: Examining Teacher Thinking and Practice in AP Environmental Science Sara Nachtigal A dissertation submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy University of Washington 2016 Reading Committee: Sheila Valencia, Chair Susan B. Nolen Kenneth Zeichner Program Authorized to Offer Degree: College of Education © Copyright 2016 Sara Nachtigal University of Washington Abstract Learning from Text: Examining Teacher Thinking and Practice in AP Environmental Science Sara Nachtigal Chair of the Supervisory Committee: Professor Sheila Valencia College of Education The ability to read and make sense of sophisticated subject-matter texts is an essential educational standard for navigating the twenty-first century. Although new standards emphasize critical reading and interpretation skills (CCSS, 2010; NGSS, 2013), students are rarely supported to learn from text in secondary classrooms (Greenleaf & Valencia, in press; Moje, Stockdill, Kim, & Kim, 2011). In science education, an emphasis on inquiry- and project-based learning tends to focus on building content knowledge with little attention to texts (Osborne, 2002). Research suggests teachers have little experience supporting text-based learning (Greenleaf et al., 2011). The purpose of this qualitative, comparative case study was to understand how teachers worked with texts in an AP Environmental Science course that had been redesigned to support text-based learning. This study was situated in a project-based learning approach developed to support students in under-resourced urban schools (Parker et al., 2011); previous findings indicated teachers in the course had previously worked around text with lectures and labs. In response, the course was redesigned with educative curriculum and aligned professional development. -
Soils of Peatlands: Histosols and Gelisols
10 Soils of Peatlands: Histosols and Gelisols Randy Kolka, Scott D. Bridgham, and Chien-Lu Ping CONTENTS Introduction .................................................................................................................................277 Geographic Distribution ............................................................................................................ 279 Global Peatlands ..................................................................................................................... 279 Global Carbon Storage in Peatlands ....................................................................................280 Gelisols .....................................................................................................................................282 Comparison of Four Classification Schemes ......................................................................282 Hydrology ....................................................................................................................................283 Hydrology and Peatland Development ..............................................................................283 Hydrology and Peat Characteristics ....................................................................................284 Peat Biogeochemistry: A Comparative Approach ..................................................................287 Conterminous U.S. Peats: The Ombrogenous–Minerogenous Gradient .......................287 Alaskan Peatlands: Histosols and Gelisols ........................................................................ -
A New Paleothermometer for Forest Paleosols and Its Implications for Cenozoic Climate
A new paleothermometer for forest paleosols and its implications for Cenozoic climate Timothy M. Gallagher and Nathan D. Sheldon Department of Earth and Environmental Sciences, University of Michigan, 2534 CC Little, 1100 N. University Ave, Ann Arbor, Michigan 48109, USA ABSTRACT Climate is a primary control on the chemical composition of paleosols, making them a potentially extensive archive applicable to problems ranging from paleoclimate reconstruction to paleoaltimetry. However, the development of an effective, widely-applicable paleosol temperature proxy has remained elusive. This is attributable to the fact that various soil orders behave differently due to their respective physical and chemical properties. Therefore, by focusing on an individual order or a subset of the twelve soil orders whose members exhibit similar process behavior, a better constrained paleothermometer can be constructed. Soil chemistry data were compiled for 158 modern soils in order to derive a new paleosol paleothermometry relationship between mean annual temperature and a paleosol weathering index (PWI) that is based on the relative loss of major cations (Na, Mg, K, Ca) from soil B horizons. The new paleothermometer can be applied to clay-rich paleosols that originally formed under forest vegetation, including Inceptisols, Alfisols, and Ultisols, and halves the uncertainty relative to previous approaches. A case study using Cenozoic paleosols from Oregon shows that paleotemperatures produced with this new proxy compare favorably with paleobotanical temperature estimates. Global climatic events are also evident in the Oregon paleosol record, 1 of 28 including a 2.8 °C drop across the Eocene-Oligocene transition comparable to marine records, and a Neogene peak temperature during the Mid-Miocene Climatic Optimum. -
Annual Report 2011
AnnuAl RepoRt 2 0 11 Apoptosis imAges by DR. RolAnD eils the pictures in this report illustrate the process of ‘apoptosis,’ programmed cell death, imaged through the technique of fluorescence microscopy. they come to us from the laboratory of Dr. Roland eils of the university of Heidelberg and the german Cancer Research Centre. Dr. eils’ work combines mathematical modeling with experiments in molecular cell biology to yield a detailed, quantitative understanding of basic cellular mechanisms. His knowledge in the fields of physics, mathematics and biology enables scientific results not likely attainable through a traditional approach. such an integration of expertise comprises the relatively new field of systems biology, an illustration of this report’s emphasis on cross-disciplinary activities. the simons Foundation is grateful to Dr. eils for sharing these remarkable images with us. The mission of the Simons Foundation is to advance the frontiers of research in mathematics and the basic sciences. TAble oF Contents 14 EnabliNg reseArCh 06 NeTworks 16 Simons simplex Collection 17 SSC@iAN EncourAgiNg 18 Projects using SSC 04 CoNNectioNs 19 Simons Variation in individuals Project 08 Collaboration grants 20 SFARI: recent Advances 09 Math + X grants letter From 10 Simons Center for The President and Geometry and Physics The ChAirmAN 11 Life sciences at stony brook 12 Support for systems biology 36 FouNdatioN Facts 28 38 Financials 40 Directors 41 Simons Foundation staff PromoTiNg Exchanges 42 Grants to institutions 22 30 Mathematical sciences