ALBERT

Note: CONTENTS: Introduction. - Topography and hydrography. - Climate, glaciation, permafrost. - Notes on the scientific exploration of the area. - Sea level changes. - C-14 dates on shell material, corrections and errors. - Marine limits. - Emergence curves. - Marine faunas. - Glaciation history. - Pleistocene glaciation. - The Milne Land Moraines. - Glacial retreat, the Rødefjord stages. - Glacial readvance. - Climatic implications. - Comparison with other areas. - Pollen analytical investigations. - Field methods. - Lake sediments. - C-14 dates of lake sediments and rates of sedimentation. - Pollen preparation and calculation procedures. - Pollen identification. - Description of sites and pollen diagrams. - Notes on the present vegetation. - Discussion and reconstruction of vegetation types. - Plant immigration and climatic change. - Summary of the vegetation history. - Comparison with other areas. - General notes on the climatic development. - Acknowledgements. - References.

Note: Contents: Preface. - List of Symbols Commonly Used in the Text. - Acknowledgements. - 1 Introduction. - 2 Properties of Sea Water Relevant to Physical Oceanography. - Introduction. - Density. - Measurement of density, temperature and salinity. - Relative density, sigma-t and specific volume. - Tables for density and specific volume as functions of temperature, salinity and pressure. - Sources of data. - 3 The Basic Physical Laws Used in Oceanography and Classifications of Forces and Motions in the Sea. - Basic laws. - Classification of forces and motion. - 4 The Equation of Continuity of Volume. - The concept of continuity of volume. - The derivation of the equation of continuity of volume. - An application of the equation of continuity. - 5 Stability and Double Diffusion. - Static stabiIity. - Criterion for static stability (E). - Numerical values for stability. - Double diffusion. - Dynamic stability. - 6 The Equation of Motion in Oceanography. - The form of the equation of motion. - Obtaining solutions to the equations, including boundary conditions. - The derivation of the terms in the equation of motion. - The pressure term. - Transforming from axes fixed in space to axes fixed in the rotating earth. - Gravitation and gravity. - The Coriolis terms. - Other accelerations. - Coordinate systems. - 7 The Role of the Non-Linear Terms in the Equations of Motion. - The non-linear terms in the equation of motion. - The friction term for the instantaneous velocity. - What is the source of the difficulty?. - Scaling and the Reynolds Number. - Reynolds stresses. - Equations for the mean or average motion. - Reynolds stresses and eddy viscosity. - Scaling the equations of motion. - Dynamic stabiIity. - The effect of density variations on dynamic stability. - Effects of rotation. - 8 Currents Without Friction: Geostrophic Flow. - Hydrostatic equiIibrium. - Inertial flow. - GeopotentiaI. - Geopotential surfaces and isobaric surfaces. - The geostrophic equation. - Why worry about the geostrophic equation?. - The geostrophic method for calculating relative velocities. - An example of the calculation of a geostrophic velocity profile. - An alternative derivation of the geostrophic equation. - The 'thermal wind' equations. - Absolute velocities. - Relations between isobaric and level surfaces. - Relations between isobaric and isopycnal surfaces. - Comments on the geostrophic equation. - Justification for using the geostrophic approach to obtain the speeds of strong currents. - 9 Currents With Friction. - Wind-driven circulations - introduction. - Nansen's qualitative argument. - The equations of motion with friction included. - Ekman's solution to the equations of motion with friction present. - Comments on the above experimental observations. - Transport and upwelling. - Upwelling or downwelling away from boundaries. - Bottom friction and shallow water effects. - Limitations of the Ekman theory. - Sverdrup's solution for the wind-driven circulation. - Orders of magnitude of the terms. - Application of the Sverdrup equation. - The general form of the Sverdrup equation. - The mass transport stream function. - Westward intensification - Stommel's contribution. - The planetary wind field. - Munk's solution. - Comments on Munk's solution. - Vorticity. - Relative vorticity. - Planetary vorticity. - Absolute vorticity. - Potential vorticity. - Westward intensification of ocean currents explained using conservation of potential vorticity. - Equatorial undercurrents. - The boundary layer approach. - The use of the boundary layer approach to obtain a solution to Munk's equation. - A simple inertial theory by Stommel. - 10 Thermohaline Effects. - The deep circulation. - Equations for salt and temperature (heat) conservation. - Equations for the average salinity and temperature. - Reynolds fluxes and eddy diffusivity. - Thermoclines and the thermohaline circulation. - The mixed layer of the ocean. - 11 Numerical Models. - Introduction. - Numerical methods. - General approach to numerical modelling of ocean circulations. - Descriptions of some models of individual oceans. - O'Brien's two-dimensional wind-driven model of the North Pacific. - Cox's model of the Indian Ocean. - Holland and Hirschmann's model of the Atlantic Ocean. - Two models of the circulation of the world ocean. - Models of mesoscale eddies. - Comments on the numerical model solutions. - 12 Waves. - Introduction. - Some general characteristics of waves. - Small amplitude waves. - Orbital motion of the water particles. - Refraction and breaking in shallow water; diffraction. - The generation of waves. - Measurement of waves. - ReaI waves. - Wave generation by the wind; semi-empirical relations. - Energy of waves. - Tsunamis or seismic sea waves. - Internal waves. - Effects of rotation. - Modified gravity waves. - Kelvin waves. - Planetary or Rossby waves. - Topographic effects. - 13 Tides. - Introduction. - Tide-producing forces. - Components of the tide-producing forces. - Ocean responses to the tide-producing forces - tidaI theories. - The practical approach to tide prediction. - The measurement of tides. - Types of tides. - Tidal currents. - Tides in bays-resonance. - Storm surges. - 14 Some Presently Active and Future Work. - APPENDIX I Mathematical Review with Some Elementary Fluid Mechanics. - Introduction. - Scalars and vectors. - Derivatives. - The individual or total derivative. - Integrals. - Fields. - Descriptions of fluid flow. - Convergences and divergences. - Hydrostatic pressure. - Slope effects. - CompressibiIity. - Centripetal and centrifugal forces. - APPENDIX 2 Units Used in Physical Oceanography. - Introduction. - Base units. - Derived and temporary units. - Units used in dynamic oceanography and some numerical values. - SUGGESTIONS FOR FURTHER READING AND FOR REFERENCE. - INDEX.

Note: Contents: 1. Introduction. - 2. Design of the existing base. - 3. Why a new concept. - 4. Considerations for a new base. - 5. Building alternatives for a floating ice shelf. - 6. Design criteria. - 7. Concept adopted. - 8. Technical data. - 9. Services. - 9.1. Electrical. - 9.2. Mechanical. - 9.3. Fire Protection. - 9.4. Toilets. - 10. Stores. - 11. External buildings. - 12. Conclusion.

Note: Contents Preface List of Contributors Section I. Floristics, Vegetation, and Primary Production Ia. Vascular Plants Ib. Nonvascular Plants 1. Introduction / LARRY L. TIESZEN Background Research Design and Site Selections Overview of the Barrow Ecological System References 2. Vegetation, Floristics, and Phytogeography of Northern Alaska / D. F. MURRAY Tundra Landscapes and Vegetation Floristics and Phytogeography Acknowledgments References 3. Spatial and Temporal Variation of the Vegetation and its Productivity / P. J. WEBBER Introduction and Site Overview Methods Results Discussion Summary and Conclusions Acknowledgments References 4. Seasonal Dynamics of Above- and Belowground Production of Vascular Plants at Barrow, Alaska / J. G. DENNIS , L. L. TIESZEN and M. A. VETTER Introduction Methods and Materials Results Discussion Acknowledgments References 5. Floristics, Phytogeography and Ecology of Arctic Alaskan Bryophytes / W. C. STEERE The Bryophyte Flora and its Floristic Elements Ecology and Physical Factors of the Environment Acknowledgments References 6. Composition and Bryomass of the Moss Layers of Two Wet-Tundra-Meadow Communities near Barrow, Alaska / J. R. RASTORFER Introduction Materials and Methods Results Discussion Acknowledgments References 7. The Role of Lichens in the Structure, Productivity, and Mineral Cycling of the Wet Coastal Alaskan Tundra / M. E. WILLIAMS , E. D. RUDOLPH , E. A. SCHOFIELD , and D. C. PRASHER Introduction Environmental Setting Lichen Occurrence Methods Results and Discussion Conclusions Acknowledgments References 8. The Role of Algae in Tundra Soil / R. E. CAMERON , A. D. KNOX , and F. A. MORELLI Introduction Methods Results and Discussion Conclusions Acknowledgments References 9. Ecto- and Endomycorrhizae of Arctic Plants at Barrow, Alaska / O. K. MILLER, JR. and G. A. LAURSEN Introduction Distribution of Ectomycorrhizae Distribution of Endomycorrhizae Distribution of Mycorrhizal Fungi Carbon, Nitrogen, and Phosphorus Conclusions and Discussion Acknowledgments References Section II. Photosynthesis, Respiration and Water Relations. IIa. Plant and Community Photosynthesis IIb. Photosynthesis and Water Relations 10. Photosynthesis in the Principal Barrow, Alaska Species: A Summary of Field and Laboratory Responses / L. L. TlESZEN Introduction Methods Results and Discussion Conclusions Acknowledgments References 11. Primary Production Processes in Arctic Bryophytes at Barrow, Alaska / W. C. OECHEL and B. SVEINBJÖRNSSON Introduction Field Research Site Methods Results and Discussion Conclusions Acknowledgments References 12. Meteorological Assessment of CO2 Exchange Over an Alaskan Arctic Tundra / P. I. COYNE and J. J. KELLEY Introduction Theory Experimental Procedure Data Analysis Results Contents Discussion Acknowledgments References 13. Constraints on Tundra Productivity: Photosynthetic Capacity in Relation to Solar Radiation Utilization and Water Stress in Arctic and Alpine Tundras / M. M. CALDWELL, D. A. JOHNSON and M. FAREED Introduction Methods Results and Discussion Acknowledgments References 14. Some Aspects of Water Relations of Arctic and Alpine Regions / P. C. MILLER, W. A. STONER, and J. R. EHLERINGER Introduction Conceptual Framework Methods Results Discussion and Conclusions Acknowledgments References 15. Radio-Tracer Measurement of Transpiration in Tundra Vegetation, Barrow, Alaska / J. J. KORANDA , B. CLEGG, and M. STUART Introduction Methods Results and Discussion Conclusions Acknowledgments References 16. Simulation of the Effect of the Tundra Vascular Plant Canopy on the Productivity of Four Moss Species / W. A. STONER, P. C. MILLER, and W. C. OECHEL Introduction Simulation Models and Methods Results and Discussion Acknowledgments References Section III. Growth and the Allocation and Use of Mineral and Organic Nutrients IIIa. Growth and Organic Nutrient Allocation IIIb. Inorganic Nutrient Utilization, Response to Fertilization, and Nitrogen Fixation IIIc. Growth, Nutrient and Population Modeling 17. Translocation and Allocation of 14C-Photoassimilate by Dupontia fisheri / M. L. ALLESSIO and L. L. TIESZEN Introduction Materials and Methods Results Discussion Acknowledgments References 18. Growth, Turnover, and Respiration Rates of Roots and Tillers in Tundra Graminoids / W. D. BILLINGS, K. M. PETERSON, and G. R. SHAVER Introduction Methods Results Conclusions Acknowledgments References 19. The Interactions of Organic Nutrients, Soil Nitrogen, and Soil Temperature and Plant Growth and Survival in the Arctic Environment / B. H. MCCOWN Introduction Materials and Methods Results Discussion and Conclusions Acknowledgments References 20. Plant Nutrient Limitations of Tundra Plant Growth / A. ULRICH and P. L. GERSPER Introduction Methods Results and Discussion Discussion and Conclusions Acknowledgments References 21. Phosphate Uptake and Nutrient Utilization by Barrow Tundra Vegetation / F. S. CHAPIN, III Introduction Methods Results Discussion Acknowledgments References 22. Effects of Nitrogen and Phosphorus Fertilization on Carbohydrate and Nutrient Levels in Dupontia fisheri and Arctagrostis latifolia / J. D. MCKENDRICK, V. J. OTT , and G. A. MITCHELL Introduction Methods Results and Discussion Conclusions Acknowledgments References 23. Nitrogen Fixation in Arctic and Alpine Tundra / V. ALEXANDER, M. BILLINGTON, and D. M. SCHELL Introduction Methods Results and Discussion Conclusions Acknowledgments References 24. A Model of Plant Growth and Phosphorus Allocation for Dupontia fisheri in Coastal, Wet-Meadow Tundra / W. A. STONER, P. C. MILLER, and L. L. TIESZEN Introduction Description of the Model Results Discussion Acknowledgments References 25. A Model of Carbohydrate, Nitrogen, Phosphorus Allocation and Growth in Tundra Production / P. C. MILLER, W. A. STONER, L. L. TIESZEN , M. ALLESSIO, B. MCCOWN , F. S. CHAPIN, and G. SHAVER Introduction Results and Discussion Acknowledgments References 26. A Simulation Model of Population Processes of Arctic Tundra Graminoids / B. A. LAWRENCE , M. C. LEWIS , and P. C. MILLER Introduction The Model Methods of Simulations Validation Simulation Experiments Summary Acknowledgments References 27. Summary / L. L. TIESZEN Introduction Historical and Floristic Relationships Abiotic Relationships Spatial and Temporal Relationships Summary References Appendix: Checklists of Vascular Plants, Bryophytes, and Lichens for the Alaskan U.S. IBP Tundra Biome Study Areas - Barrow, Prudhoe Bay, Eagle Summit / BARBARA M. MURRAY AND DAVID F. MURRAY Introduction Checklists References Index