Proceedings of the Dalgarno Celebratory Symposium [[electronic resource] ] : contributions to atomic, molecular, and optical physics, astrophysics and atmospheric physics : Cambridge, Massachusetts, 10-12 September, 2008 / / editors, James F. Babb, Kata Kirby, Hossein Sadeghpour

• Record Nr.: UNINA9910780894503321
• Pubbl/distr/stampa: London, : Imperial College Press, c2010
• ISBN: 1-282-76004-1; 9786612760044; 1-84816-470-X
• Descrizione fisica: 1 online resource (xiv, 388 p.) : ill. (some col.)
• Altri autori (Persone): DalgarnoA; BabbJames F; KirbyKata; SadeghpourHossein R. <1958->
• Disciplina: 523.01
• Soggetti: Astrophysics; Molecular astrophysics; Atmospheric physics; Cosmochemistry
• Lingua di pubblicazione: Inglese
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Note generali: "On September 10, 2008, more than 125 friends, colleagues ... to join Professor Alex Dalgarno in celebrating his 80th birthday ... A symposium highlighting Dalgarno's many scientific contributions ..."--Preface.
• Nota di bibliografia: Includes bibliographical references.
• Nota di contenuto: Session I. : Calculations of atomic and molecular properties. The transition from mathematician to astrophysicist / M. R. Flannery. Calculations of atomic and molecular properties / G. W. F. Drake. An elastic approximation for spin flipping transitions in collisions of hydrogen atoms / B. Zygelman. Matrix element sums evaluated via differential equations in calculations of atomic and molecular properties / Michael Jamieson. Linear response time dependent density functional theory for dispersion coefficients between atomic pairs / Xi Chu and G. C. Groenenboom -- Session II. : Astrochemistry. Some ; thoughts on interstellar chemistry / William Klemperer. Astrochemistry : building on Dalgarno's legacy / Ewine F. van Dishoeck. Atomic and molecular probes for astronomical environments / Stephen H. Lepp. H[symbol] photodetachment in atomic physics and astrophysics / P. C. Stancil ... [et al.]. Astrochemistry : an unfinished symphony / John H. Black -- Session III. : Interstellar medium and molecular astrophysics. Still more thoughts on interstellar chemistry / Patrick Thaddeus. How interstellar chemistry (and astrochemistry more generally) became useful / T. W. Hartquist, S. van Loo, and S. A. E. G. Falle. Atoms, molecules, and radiation : from star-forming regions to quasars / A. Sternberg.; Molecular astrophysics with the Spitzer space telescope : studies of interstellar shocks / David A. Neufeld. A common origin for interstellar CH+ and H+[symbol] / Cesare Cecchi-Pestellini -- Session IV. : Atomic and molecular processes in the solar system and planetary atmospheres. Alexander Dalgarno / Jane L. Fox. Atomic and ,mlecular processes in the solar system and planetary atmospheres : an overview and some examples / T. E. Cravens. Approach to thermal equilibrium in atomic collisions / Peng Zhang and Vasili Kharchenko. Heliospheric x-rays induced by charge-exchange collisions / V. A. Kharchenko -- Session V. : ultra-cold collisions/long-range interactions. A tribute to Alex's leadership and support : the examples of model potentials and cold molecules / Francoise Masnou-Seeuws. Photoassociation of ultracold atoms / R. G. Hulet. Forming ultracold molecules / Robin C�ot�e. Quantum theory of atomic and molecular scattering based on the fully uncoupled space-fixed representation / R. V. Krems. Collisions and reactions in ultracold gases / N. Balakrishnan -- Session VI. : Undergraduate collaborations. The HFS of H[symbol] : electron-nuclear coupling of spins and momenta / James F. Babb. Molecular clouds and chemistry beyond the milky way / Jean L. Turner. Atom-optical analogs of electronic components and devices / R. A. Pepino ... [et al.]. Quantum metrology and simulation / J. M. Taylor -- Session VII. : ITAMP history and highlights. The beginnings of ITAMP - proposals from the AMO community and the NSF response / R. H. Pratt. History of ITAMP : part II - The institute strikes back / Barry I. Schneider. ITAMP history : part III. Symposium dinner speech / Neal Lane.
• Sommario/riassunto: This unique volume is a compendium of scientific contributions inspired by the work of Alex Dalgarno in the fields of atomic, molecular, and optical physics, astrophysics, astrochemistry, and atmospheric physics. The book should be of particular value to the practitioners in these fields.

Threats to springs in a changing world : science and policies for protection / / Matthew J. Currell and Brian G. Katz, editors

• Record Nr.: UNINA9910830894203321
• Pubbl/distr/stampa: Hoboken, New Jersey : , : American Geophysical Union, , [2023]; ©2023
• ISBN: 1-119-81862-1; 1-119-81860-5
• Descrizione fisica: 1 online resource (237 pages)
• Collana: Geophysical monograph series ; ; 275
• Disciplina: 628.168
• Soggetti: Water quality management; Springs - Pollution; Spring - Management
• Lingua di pubblicazione: Inglese
• Formato: Materiale a stampa
• Livello bibliografico: Monografia
• Nota di bibliografia: Includes bibliographical references and index.
• Nota di contenuto: COVER -- TITLE PAGE -- COPYRIGHT PAGE -- CONTENTS -- LIST OF CONTRIBUTORS -- PREFACE -- Chapter 1 Protecting Springs in a Changing World Through Sound Science and Policy -- 1.1. INTRODUCTION -- 1.2. THREATS TO SPRINGS AND THEIR VALUES -- 1.3. METHODS, TOOLS, AND TECHNIQUES TO UNDERSTAND SPRING HYDROGEOLOGY -- 1.4. POLICY AND GOVERNANCE APPROACHES FOR THE PROTECTION OF SPRINGS -- REFERENCES -- Part I Threats to Springs and Their Values -- Chapter 2 Assessing Pollution and Depletion of Large Artesian Springs in Florida's Rapidly Developing Water-Rich Landscape -- 2.1. THE ENVIRONMENTAL STATUS OF FLORIDA'S ARTESIAN SPRINGS -- 2.1.1. Florida Springs Regional Occurrence and Magnitude -- 2.1.2. Summary of Florida Springs Flow and Water Quality Changes -- 2.1.3. Observed Ecological Impairments in Florida Springs -- 2.2. QUANTIFYING SOURCES OF FLORIDA SPRING/AQUIFER POLLUTION AND DEPLETION -- 2.2.1. Introduction to the Blue Water Audit -- 2.2.2. Nitrogen Estimation -- 2.2.3. Groundwater Withdrawal Estimation -- 2.2.4. Validation -- 2.2.5. Floridan Aquifer System Footprints -- 2.2.6. Nitrogen Loading in the Florida Springs Region -- 2.2.7. Groundwater Consumption in the ; Florida Springs Region -- 2.3. UTILIZING WATER AND NUTRIENT MASS BALANCES TO DIRECT SPRINGS PROTECTION AND RECOVERY -- 2.3.1. Simplified Groundwater Mass Balance -- 2.3.2. Simplified Nitrogen Mass Balance -- 2.4. INFORMING THE PUBLIC OF SPRINGS AND AQUIFER HEALTH STATUS -- ACKNOWLEDGMENTS -- REFERENCES -- Chapter 3 Regional Passive Saline Encroachment in Major Springs of the Floridan Aquifer System in Florida (1991-2020) -- 3.1. INTRODUCTION -- 3.2. FLORIDAN AQUIFER SYSTEM -- 3.3. ENCROACHMENT -- 3.4. STUDY AREA, MATERIALS, AND METHODS -- 3.5. STATISTICAL METHODS -- 3.6. RESULTS -- 3.7. DISCUSSION -- 3.7.1. Conceptual Model -- 3.7.2. Passive Encroachment.; 3.8. POTENTIAL DRIVERS OF THE OBSERVED PASSIVE ENCROACHMENT -- 3.8.1. Decreasing Rainfall and Consequent Decreases in Recharge -- 3.8.2. Groundwater Extraction -- 3.8.3. Sea-Level Rise -- 3.9. UNRESOLVED ISSUES AND NEED FOR ADDITIONAL ENCROACHMENT MONITORING -- 3.9.1. Unresolved Issues -- 3.9.2. Need for Increased Saline Encroachment Monitoring -- 3.10. KEY FINDINGS -- ACKNOWLEDGMENTS -- REFERENCES -- Chapter 4 Karst Spring Processes and Storage Implications in High Elevation, Semiarid Southwestern United States -- 4.1. INTRODUCTION -- 4.2. STUDY AREA -- 4.2.1. Kaibab Plateau -- 4.2.2. Mogollon Rim -- 4.2.3. Hydrogeology -- 4.3. RESEARCH METHODS -- 4.3.1. Field Methods and Data Management -- 4.3.2. Hydrograph Analysis -- 4.3.3. Regression Modeling -- 4.3.4. Stable Isotope Analysis -- 4.4. RESULTS -- 4.4.1. Base-Flow Recession Analysis -- 4.4.2. Hydrograph Results -- 4.4.3. Regression Modeling -- 4.4.4. Response Timing -- 4.4.5. Stable Isotope Analysis -- 4.5. DISCUSSION -- 4.5.1. Interpretation of Drainage Properties -- 4.5.2. Seasonal Water Storage -- 4.5.3. Snowpack -- 4.6. SUMMARY -- ACKNOWLEDGMENTS -- REFERENCES -- Chapter 5 Nitrogen Contamination and Acidification of Groundwater Due to Excessive Fertilizer Use for Tea Plantations -- 5.1. INTRODUCTION -- 5.1.2. Nitrogen Fertilizer Compounds and Their Toxicity -- 5.1.3. Acidic Groundwater Pollution Caused by Excess Nitrogen Fertilizer Used for Tea Plantation -- 5.1.4. Absorption of Nitrogen Components by Tea Plants (Tea Plantation) -- 5.1.5. Reducing N2O Emission Gas from Excess Fertilizer Helps Prevent Global Warming -- 5.2. METHODS AND MATERIALS -- 5.3. SOIL WATER CHEMISTRY AT TEA PLANTATIONS LOCATED ON VOLCANIC LOAM (FIELD RESULT 1) -- 5.4. WATER CHEMISTRY FOR THE KIKU TEA PLANTATION, SHIZUOKA, EXHIBITING A LOW PHOSPHORUS CONCENTRATION SPRING (FIELD RESULT 2).; 5.5. WATER CHEMISTRY FOR A CATCHMENT CONTAINING A TEA PLANTATION AND OTHER LAND USES (FIELD RESULT 3) -- 5.6. DISCUSSION -- 5.6.1. Groundwater Chemistry Changes Occurring from the Soil Surface to Spring in Tea Plantation (Comparing Results 1 and 2) -- 5.6.2. Effect of Reducing the Amount of Nitrogen Fertilizer Used from Result 2 -- 5.6.3. Nitrogen Contamination for Combination Land Use (Result 3) -- 5.7. CONCLUSION -- ACKNOWLEDGMENTS -- REFERENCES -- Chapter 6 Springs of the Southwestern Great Artesian Basin, Australia: Balancing Sustainable Use and Cultural and Environmental Values -- 6.1. INTRODUCTION -- 6.2. THE GREAT ARTESIAN BASIN SPRINGS -- 6.2.1. Cultural and Ecological Values -- 6.2.2. Geology and Hydrogeology of the Great Artesian Basin -- 6.2.3. Springs -- 6.3. OLYMPIC DAM AND ITS GAB WELLFIELDS -- 6.4. ASSESSING WELLFIELD A IMPACTS ON SPRINGS AND BORES -- 6.4.1. Spring Flow and Groundwater Level Trends Through Time -- 6.4.2. Spring Flows and Groundwater Level Correlation -- 6.4.3. Discussion: Protecting Springs -- 6.5. SUMMARY AND CONCLUSIONS -- ; ACKNOWLEDGMENTS -- REFERENCES -- Part II Methods, Tools, and Techniques to Understand Spring Hydrogeology -- Chapter 7 Environmental Tracers to Study the Origin and Timescales of Spring Waters -- 7.1. INTRODUCTION -- 7.2. BEFORE TRACERS ARE APPLIED -- 7.2.1. Propagation of Pressure Versus Transport of Water -- 7.2.2. Springs Versus Wells -- 7.2.3. Hydrochemistry and Geophysics -- 7.3. ENVIRONMENTAL TRACERS: KINDS, THE CONCEPT OF AGE, AND SIMPLE MODELING -- 7.3.1. Tracers for Groundwater or Solute Origin and Infiltration Conditions -- 7.3.2. Tracers for the Timescales of Water Movement -- 7.4. CASE STUDY: THE FISCHA-DAGNITZ SPRING, AUSTRIA -- 7.4.1. Hydrogeological Setting -- 7.4.2. Science in Several Steps: The History of Environmental Tracers at Fischa-Dagnitz.; 7.4.3. What Is the Age of the Water at the Fischa-Dagnitz Spring? -- 7.5. SUMMARY -- REFERENCES -- Chapter 8 Assessment of Water Quality and Quantity of Springs at a Pilot-Scale: Applications in Semiarid Mediterranean Areas in Lebanon -- 8.1. INTRODUCTION -- 8.2. FIELD SITE -- 8.3. INVESTIGATION METHODS -- 8.3.1. High-Resolution Data Collection -- 8.3.2. Tracer Experiments and Identification of Transport Parameters -- 8.4. DISCUSSION AND RESULTS -- 8.4.1. High-Resolution Data As Insight to Systems Hydrodynamics -- 8.4.2. Assessment of Spring Intrinsic Vulnerability -- 8.4.3. Assessment of Spring Specific Vulnerability -- 8.4.4. From Conceptual to Numerical Models -- 8.5. CONCLUSIONS -- ACKNOWLEDGMENTS -- REFERENCES -- Chapter 9 Uncertainties in Understanding Groundwater Flow and Spring Functioning in Karst -- 9.1. PECULIARITIES OF KARST HYDROGEOLOGY -- 9.2. MATERIALS AND METHODS -- 9.3. THE ALBURNI MASSIF -- 9.4. RESULTS -- 9.5. DISCUSSION AND CONCLUSIONS -- ACKNOWLEDGMENTS -- REFERENCES -- Chapter 10 The Great Subterranean Spring of Minneapolis, Minnesota, USA, and the Potential Impact of Subsurface Urban Heat Islands -- INTRODUCTION -- 10.2. BACKGROUND -- 10.2.1. Cave and Spring -- 10.2.2. Discovery of Thermal Anomaly -- 10.2.3. Geology -- 10.3. METHODS -- 10.4. RESULTS -- 10.5. DISCUSSION -- 10.6. CONCLUSIONS -- ACKNOWLEDGMENTS -- REFERENCES -- Part III Policy and Governance Approaches for the Protection of Springs -- Chapter 11 Community-Based Water Resource Management: Pathway to Rural Water Security in Timor-Leste? -- 11.1. INTRODUCTION -- 11.2. COMMUNITY-MANAGED RURAL WATER INFRASTRUCTURE -- 11.3. GROWING WATER SECURITY CHALLENGES -- 11.3.1. Challenges of Community-Based Management -- 11.3.2. Challenges of Water Quantity -- 11.3.3. Challenges of Water Quality.; 11.4. TOWARD IMPROVED WATER RESOURCE MANAGEMENT: GOVERNMENT AND COMMUNITY APPROACHES -- 11.4.1. Toward Integrated Water Resource Management -- 11.4.2. Toward Community-Based Water Resource Management -- 11.5. WATER SECURITY REQUIRES RESILIENT SOCIOECOLOGICAL-TECHNICAL WATER SYSTEMS -- 11.6. METHODOLOGY -- 11.7. COMMUNITY-BASED WATER RESOURCE MANAGEMENT: A PATHWAY TO RURAL WATER SECURITY IN TIMOR-LESTE? -- 11.7.1. Willingness to Use Community-Based Water Resource Management -- 11.7.2. Water System Resilience Under CBWRM -- 11.7.3. Pathways Toward Resilient Rural Water Systems in Timor-Leste: Between IWRM and CBWRM -- 11.8. CONCLUSION -- ACKNOWLEDGMENTS -- REFERENCES -- Chapter 12 Setting Benthic Algal Abundance Targets to Protect Florida Spring Ecosystems -- 12.1. INTRODUCTION -- 12.2. DERIVATION OF BENTHIC ALGAL TARGETS IN STREAMS: REVIEW OF THE LITERATURE -- 12.3. COMPARISON OF ALGAL TARGETS TO SELECTED FLORIDA SPRING-RUN STREAMS -- 12.4. DISCUSSION AND CONCLUSIONS -- ACKNOWLEDGMENTS -- ; REFERENCES -- Chapter 13 Protecting Springs in the Southwest Great Artesian Basin, Australia -- 13.1. INTRODUCTION -- 13.2. THE GREAT ARTESIAN BASIN AND ITS ECONOMIC IMPORTANCE -- 13.3. THREATS TO GAB SPRINGS THROUGH RECENT GROUNDWATER SCIENCE -- 13.4. THE NATIONAL REGULATORY RESPONSE TO SPRING THREATS -- 13.5. THE SOUTH AUSTRALIAN REGULATORY RESPONSE: THE FAR NORTH WATER ALLOCATION PLAN -- 13.6. TRACKING PROGRESS THROUGH MONITORING -- 13.7. GAB SPRINGS ADAPTIVE MANAGEMENT PLAN AND TEMPLATE (GABSAMP) -- 13.8. CLOSING REMARKS -- ACKNOWLEDGMENTS -- REFERENCES -- Chapter 14 Patterns in the Occurrence of Fecal Bacterial Indicators at Public Mineral Springs of Central Victoria, 1986-2013 -- 14.1. BACKGROUND AND MONITORING HISTORY -- 14.2. SPRING FLOW SYSTEMS AND OCCURRENCE -- 14.3. BACTERIAL MONITORING -- 14.4. CLIMATE AND SPRING HYDROLOGY.; 14.5. OUTCOMES OF REMEDIATION OF SPRING SITES.