The Hydrologic Cycle and its Role in Arctic and Global Environmental Change: A Rationale and Strategy for Synthesis Study
Dates
Year
2001
Citation
Vörösmarty, C. J., Hinzman, L. D., Peterson, B. J., Bromwich, D. H., Hamilton, L. C., Morison, J., Romanovsky, V. E., Sturm, M., and Webb, R. S., 2001, The Hydrologic Cycle and its Role in Arctic and Global Environmental Change: A Rationale and Strategy for Synthesis Study: Arctic Research Consortium of the U.S.: Fairbanks, Alaska, 84 p.
Summary
TABLE OF CONTENTS Acknowledgements ..................................................................................4 Executive Summary with Key Findings and Recommendations ............5 Current State of the Art .............................................................................5 Key Scientific Challenges and Recommendations ..................................5 Major New Synthesis Initiative Required ...................................................6 Implementation of Arctic-CHAMP .............................................................6 Policy Implications ....................................................................................7 Summary ..................................................................................................8 [...]
Summary
TABLE OF CONTENTS Acknowledgements ..................................................................................4 Executive Summary with Key Findings and Recommendations ............5 Current State of the Art .............................................................................5 Key Scientific Challenges and Recommendations ..................................5 Major New Synthesis Initiative Required ...................................................6 Implementation of Arctic-CHAMP .............................................................6 Policy Implications ....................................................................................7 Summary ..................................................................................................8 1.Introduction ............................................................................................9 Rationale for Pan-Arctic Hydrologic Synthesis ........................................9 Report Framework .................................................................................13 2.A Strategy for Detecting and Understanding Arctic Hydrological Change:Ar tic-CHAMP ........................................................15 Arctic-CHAMP Basic Long-Term Monitoring ...........................................15 Arctic-CHAMP Field-Based Process Studies .........................................18 Arctic-CHAMP Synthesis Modeling .........................................................19 Execution of Arctic-CHAMP ....................................................................23 3.Role and Importance of Water in the Arctic System............................29 The Integrated Water Cycle of the Pan-Arctic ........................................29 Land .........................................................................................................29 Atmosphere..............................................................................................31 Ocean ......................................................................................................32 Importance of Arctic Hydrology to the Arctic System ..............................32 Importance of the Arctic to the Earth System .........................................33 4.Unprecedented Change to Arctic Hydrological Systems .....................35 Changes to the Land-Based Hydrologic Cycle .......................................35 Changes to the Atmosphere ...................................................................36 The Changing Arctic Ocean and its Regional Seas ...............................40 5.Impacts and Feedbacks Associated with Arctic Hydrological Change ...............................................................................43 Direct Impacts on Ecosystems ..............................................................43 Arctic Water Cycle Change and Humans ..............................................47 Land-Atmosphere-Ocean Feedbacks ....................................................48 Land-Atmosphere-Ocean-Human Feedbacks .......................................49 6.Implementation of Ar tic-CHAMP..........................................................53 Referen es ..............................................................................................61 Appendix 1.NSF-ARCSS Arctic Hydrology Workshop Participants .......71 Appendix 2.Current Gaps in Understanding the Pan-Arctic Hydrological Cycle ................................................................75 Appendix 3.Integration of Ar ti -CHAMP with NSF and Other Federal Agency Initiatives .....................................................79 Appendix 4.International Collaborations .................................................83
