Springer Atmospheric Sciences

Preface Chapter 1 : The eddy covariance method 1.1 History 1.2 Preliminaries 1.3. One point conservation equations 1.4 Integrated relations 1.5 Spectral analysis Chapter 2 : Measurement set-up 2.1 Introduction 2.2 Tower considerations 2.3 Sonic Anemometer 2.4 Eddy CO2 / H2O analyzer 2.5 Profile measurement Chapter 3 : Data Acquisition and Flux Calculations 3.1 Data Transfer and Acquisition 3.2 Flux calculation from raw data 3.3 Flux Determination Chapter 4 : Corrections and data quality control 4.1. Flux data correction 4.2. Effect of the unclosed energy balance 4.3 Data quality analysis 4.4. Accuracy of turbulent fluxes after correction and quality control 4.5 Overview of available correction software Chapter 5 : Night time Flux correction 5.1 Introduction 5.2 Is this problem really important? 5.3. How to implement the filtering procedure ? 5.4 Correction procedures Chapter 6: Data gap filling 6.1 Introduction 6.2 Gap-filling: why and when is it needed? 6.3 Gap-filling methods 6.4 Uncertainty and quality flags 6.5 Final remarks Chapter 7: Uncertainty quantification 7.1 Introduction 7.2 Random errors in flux measurements 7.3 Systematic errors in flux measurements 7.4 Closing ecosystem carbon budgets Conclusion Chapter 8 : Footprint analysis 8.1 Concept of footprint 8.2 Footprint models for atmospheric boundary layer 8.3 Footprint models for high vegetation 8.4 Complicated landscapes and inhomogeneous canopies 8.5 Quality assessment using footprint models 8.6 Validation of footprint models Chapter 9: Partitioning of net fluxes 9.1 Motivation 9.2 Definitions 9.3 Standard methods 9.4 Additional considerations and new approaches 9.5 Recommendations Chapter 10 : Disjunct eddy covariance method 10.1 Introduction 10.2 Theory 10.3 Practical applications of DEC 10.4 DEC in spectral space 10.5 Uncertainty due to DEC 10.6 On the history of the DEC approach Chapter 11: Eddy covariance measurements over forests 11.1 Introduction 11.2 Flux computation, selection and dependence 11.3 Additional measurements 11.4 Impact of ecosystem management and manipulation Chapter 12: Eddy covariance measurements over crops 12.1 Introduction 12.2 Measurement system 12.3 Flux calculation 12.4 Flux corrections 12.5. Data gap filling and footprint evaluation 12.6. Cumulated carbon exchange 12.7. Additional measurements 12.8. Future experimentations Chapter 13: Eddy covariance measurements over grasslands 13.1 Historic overview of grassland EC flux measurements 13.2 Peculiarities of eddy covariance flux measurements over grasslands 13.3 Estimating grassland carbon sequestration from flux measurements 13. 4 Additional measurements 13.5 Other green house gases Chapter 14: Eddy covariance measurements over wetlands 14.1 Introduction 14.2 Historic overview 14.3 Ecosystem-specific considerations 14.4 Complementary measurements 14.5 EC measurements in the wintertime 14.6 Carbon balances and climate effects 14.7 Concluding remarks Chapter 15: Eddy covariance measurements over lakes 15.1. Introduction 15.2. Existing studies 15.3. Surface-specific siting problems Chapter 16: Eddy covariance measurements over urban areas 16.1 Introduction 16.2 Conceptual framework for urban EC measurements 16.3 Challenges in the siting of urban EC stations 16.4 Implications of the peculiarities of the urban boundary layer on EC measurements 16.5 Summary and conclusions Chapter 17: Database maintenance, data sharing policy, collaboration 17.1 Data Management 17.2 Data Practices 17.3 Data User Services 17.4 Data Sharing and Policy of Uses Symbol Index Subject Index