附註:Includes bibliographical references and index.
Cover -- Front Matter -- Preface -- Acknowledgment of Reviewers -- Contents -- Executive Summary -- 1 Introduction -- 2 Overview of NASA Data Sets -- 3 Science-Driving Questions: The Polar Regions in the Context of NASA�s Earth Science Enterprise -- 4 Assessment -- 5 Conclusions and Recommendations -- References -- APPENDIX A Acronyms and Initialisms -- APPENDIX B Data Sets Survey -- APPENDIX C Biosketches of the Committee�s Members
